From be3b3bd3d2bae86505d9fc48eaba5a5a83cbce06 Mon Sep 17 00:00:00 2001
From: Tobe O <thosakwe@gmail.com>
Date: Tue, 10 Oct 2017 12:55:42 -0400
Subject: [PATCH] pattern matching

---
 .idea/libraries/Dart_Packages.xml             |  64 +-
 ..._or_throws_in_parameter_meta_test_dart.xml |   8 +
 .idea/workspace.xml                           | 699 +++++++++---------
 CHANGELOG.md                                  |   3 +
 lib/src/http/injection.dart                   | 160 ++--
 lib/src/http/metadata.dart                    | 104 +++
 lib/src/http/request_context.dart             |   2 +
 lib/src/http/server.dart                      |  28 +-
 pubspec.yaml                                  |   2 +-
 test/all.dart                                 |   2 +
 test/parameter_meta_test.dart                 | 131 ++++
 test/routing_test.dart                        |  14 +
 12 files changed, 753 insertions(+), 464 deletions(-)
 create mode 100644 .idea/runConfigurations/injects_session_or_throws_in_parameter_meta_test_dart.xml
 create mode 100644 test/parameter_meta_test.dart

diff --git a/.idea/libraries/Dart_Packages.xml b/.idea/libraries/Dart_Packages.xml
index 695dedd4..98dd117d 100644
--- a/.idea/libraries/Dart_Packages.xml
+++ b/.idea/libraries/Dart_Packages.xml
@@ -26,14 +26,14 @@
         <entry key="angel_route">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/angel_route-1.0.5/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/angel_route-1.0.6/lib" />
             </list>
           </value>
         </entry>
         <entry key="args">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/args-1.0.0/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/args-1.0.1/lib" />
             </list>
           </value>
         </entry>
@@ -47,7 +47,7 @@
         <entry key="barback">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/barback-0.15.2+11/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/barback-0.15.2+13/lib" />
             </list>
           </value>
         </entry>
@@ -131,7 +131,7 @@
         <entry key="glob">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/glob-1.1.3/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/glob-1.1.5/lib" />
             </list>
           </value>
         </entry>
@@ -145,14 +145,14 @@
         <entry key="http">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http-0.11.3+14/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http-0.11.3+15/lib" />
             </list>
           </value>
         </entry>
         <entry key="http_multi_server">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.0.3/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.0.4/lib" />
             </list>
           </value>
         </entry>
@@ -222,7 +222,7 @@
         <entry key="meta">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/meta-1.1.1/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/meta-1.1.2/lib" />
             </list>
           </value>
         </entry>
@@ -250,7 +250,7 @@
         <entry key="package_config">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_config-1.0.2/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_config-1.0.3/lib" />
             </list>
           </value>
         </entry>
@@ -271,14 +271,14 @@
         <entry key="plugin">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/plugin-0.2.0+1/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/plugin-0.2.0+2/lib" />
             </list>
           </value>
         </entry>
         <entry key="pool">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pool-1.3.2/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pool-1.3.3/lib" />
             </list>
           </value>
         </entry>
@@ -327,7 +327,7 @@
         <entry key="shelf_web_socket">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.1/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.2/lib" />
             </list>
           </value>
         </entry>
@@ -362,7 +362,7 @@
         <entry key="stream_channel">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.1/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.2/lib" />
             </list>
           </value>
         </entry>
@@ -383,7 +383,7 @@
         <entry key="test">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/test-0.12.24+6/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/test-0.12.24+8/lib" />
             </list>
           </value>
         </entry>
@@ -397,7 +397,7 @@
         <entry key="typed_data">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.4/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.5/lib" />
             </list>
           </value>
         </entry>
@@ -418,14 +418,14 @@
         <entry key="web_socket_channel">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.5/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.6/lib" />
             </list>
           </value>
         </entry>
         <entry key="yaml">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.12/lib" />
+              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.13/lib" />
             </list>
           </value>
         </entry>
@@ -435,10 +435,10 @@
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/analyzer-0.30.0+4/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/angel_http_exception-1.0.0/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/angel_model-1.0.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/angel_route-1.0.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/args-1.0.0/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/angel_route-1.0.6/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/args-1.0.1/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/async-1.13.3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/barback-0.15.2+11/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/barback-0.15.2+13/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/body_parser-1.0.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.1/lib" />
@@ -450,10 +450,10 @@
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/csslib-0.14.1/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/flatten-1.0.0/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/front_end-0.1.0-alpha.4.1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/glob-1.1.3/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/glob-1.1.5/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/html-0.13.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http-0.11.3+14/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.0.3/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http-0.11.3+15/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.0.4/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_parser-3.1.1/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_server-0.9.6/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/isolate-1.1.0/lib" />
@@ -463,36 +463,36 @@
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/logging-0.11.3+1/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.1+4/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/merge_map-1.0.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/meta-1.1.1/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/meta-1.1.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/mime-0.9.3/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/mock_request-1.0.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/node_preamble-1.4.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_config-1.0.2/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_config-1.0.3/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_resolver-1.0.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/path-1.4.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/plugin-0.2.0+1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pool-1.3.2/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/plugin-0.2.0+2/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pool-1.3.3/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pub_semver-1.3.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/quiver_hashcode-1.0.0/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/random_string-0.0.1/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf-0.7.0/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_packages_handler-1.0.3/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_static-0.2.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.1/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_map_stack_trace-1.1.4/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_maps-0.10.4/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_span-1.4.0/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.8.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.1/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.2/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.0.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/test-0.12.24+6/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/test-0.12.24+8/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/tuple-1.0.1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.4/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.5/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/utf-0.9.0+3/lib" />
       <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/watcher-0.9.7+4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.12/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.6/lib" />
+      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.13/lib" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.idea/runConfigurations/injects_session_or_throws_in_parameter_meta_test_dart.xml b/.idea/runConfigurations/injects_session_or_throws_in_parameter_meta_test_dart.xml
new file mode 100644
index 00000000..17a6c854
--- /dev/null
+++ b/.idea/runConfigurations/injects_session_or_throws_in_parameter_meta_test_dart.xml
@@ -0,0 +1,8 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="injects session or throws in parameter_meta_test.dart" type="DartTestRunConfigurationType" factoryName="Dart Test" singleton="true" nameIsGenerated="true">
+    <option name="filePath" value="$PROJECT_DIR$/test/parameter_meta_test.dart" />
+    <option name="scope" value="GROUP_OR_TEST_BY_NAME" />
+    <option name="testName" value="injects session or throws" />
+    <method />
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index ed7a7c9c..51b975ac 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -2,24 +2,18 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="7b89ff1e-1260-4dcf-9c3d-345de0471ea1" name="Default" comment="">
-      <change type="DELETED" beforePath="$PROJECT_DIR$/lib/src/http/base_middleware.dart" afterPath="" />
-      <change type="DELETED" beforePath="$PROJECT_DIR$/lib/src/http/base_plugin.dart" afterPath="" />
-      <change type="DELETED" beforePath="$PROJECT_DIR$/test/util_test.dart" afterPath="" />
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/.idea/runConfigurations/injects_session_or_throws_in_parameter_meta_test_dart.xml" />
+      <change type="NEW" beforePath="" afterPath="$PROJECT_DIR$/test/parameter_meta_test.dart" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/libraries/Dart_Packages.xml" afterPath="$PROJECT_DIR$/.idea/libraries/Dart_Packages.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/CHANGELOG.md" afterPath="$PROJECT_DIR$/CHANGELOG.md" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/example/json.dart" afterPath="$PROJECT_DIR$/example/json.dart" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/angel_base.dart" afterPath="$PROJECT_DIR$/lib/src/http/angel_base.dart" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/controller.dart" afterPath="$PROJECT_DIR$/lib/src/http/controller.dart" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/http.dart" afterPath="$PROJECT_DIR$/lib/src/http/http.dart" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/injection.dart" afterPath="$PROJECT_DIR$/lib/src/http/injection.dart" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/metadata.dart" afterPath="$PROJECT_DIR$/lib/src/http/metadata.dart" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/request_context.dart" afterPath="$PROJECT_DIR$/lib/src/http/request_context.dart" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/response_context.dart" afterPath="$PROJECT_DIR$/lib/src/http/response_context.dart" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/routable.dart" afterPath="$PROJECT_DIR$/lib/src/http/routable.dart" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/lib/src/http/server.dart" afterPath="$PROJECT_DIR$/lib/src/http/server.dart" />
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/pubspec.yaml" afterPath="$PROJECT_DIR$/pubspec.yaml" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/test/all.dart" afterPath="$PROJECT_DIR$/test/all.dart" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/test/controller_test.dart" afterPath="$PROJECT_DIR$/test/controller_test.dart" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/test/di_test.dart" afterPath="$PROJECT_DIR$/test/di_test.dart" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/test/routing_test.dart" afterPath="$PROJECT_DIR$/test/routing_test.dart" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/test/server_test.dart" afterPath="$PROJECT_DIR$/test/server_test.dart" />
     </list>
     <ignored path="$PROJECT_DIR$/.tmp/" />
     <ignored path="$PROJECT_DIR$/temp/" />
@@ -45,11 +39,19 @@
       <file leaf-file-name="controller.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/src/http/controller.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="139">
-              <caret line="54" column="8" lean-forward="false" selection-start-line="54" selection-start-column="8" selection-end-line="54" selection-end-column="8" />
-              <folding>
-                <element signature="e#42#62#0" expanded="true" />
-              </folding>
+            <state relative-caret-position="-323">
+              <caret line="18" column="0" lean-forward="true" selection-start-line="18" selection-start-column="0" selection-end-line="18" selection-end-column="0" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="http.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/lib/src/http/http.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="225">
+              <caret line="15" column="23" lean-forward="false" selection-start-line="15" selection-start-column="23" selection-end-line="15" selection-end-column="23" />
+              <folding />
             </state>
           </provider>
         </entry>
@@ -57,44 +59,55 @@
       <file leaf-file-name="server.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/src/http/server.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="165">
-              <caret line="13" column="34" lean-forward="false" selection-start-line="13" selection-start-column="34" selection-end-line="13" selection-end-column="34" />
-              <folding />
+            <state relative-caret-position="243">
+              <caret line="480" column="23" lean-forward="false" selection-start-line="480" selection-start-column="13" selection-end-line="480" selection-end-column="23" />
+              <folding>
+                <element signature="e#38#58#0" expanded="true" />
+              </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/README.md">
-          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-            <state split_layout="SPLIT">
-              <first_editor relative-caret-position="285">
-                <caret line="19" column="6" lean-forward="true" selection-start-line="19" selection-start-column="6" selection-end-line="19" selection-end-column="6" />
-                <folding>
-                  <marker date="1506049250000" expanded="true" signature="588:776" ph="{...}" />
-                </folding>
-              </first_editor>
-              <second_editor />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="routable.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/lib/src/http/routable.dart">
+      <file leaf-file-name="injection.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/lib/src/http/injection.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="90">
-              <caret line="6" column="25" lean-forward="false" selection-start-line="6" selection-start-column="25" selection-end-line="6" selection-end-column="25" />
+            <state relative-caret-position="210">
+              <caret line="73" column="28" lean-forward="false" selection-start-line="73" selection-start-column="28" selection-end-line="73" selection-end-column="28" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
+      <file leaf-file-name="parameter_meta_test.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/test/parameter_meta_test.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="180">
+              <caret line="12" column="13" lean-forward="true" selection-start-line="12" selection-start-column="13" selection-end-line="12" selection-end-column="13" />
+              <folding>
+                <element signature="e#0#20#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="metadata.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/lib/src/http/metadata.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="615">
+              <caret line="100" column="8" lean-forward="false" selection-start-line="100" selection-start-column="8" selection-end-line="100" selection-end-column="8" />
+              <folding>
+                <element signature="e#40#101#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
       <file leaf-file-name="CHANGELOG.md" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
             <state split_layout="SPLIT">
-              <first_editor relative-caret-position="105">
-                <caret line="7" column="85" lean-forward="false" selection-start-line="7" selection-start-column="85" selection-end-line="7" selection-end-column="85" />
+              <first_editor relative-caret-position="15">
+                <caret line="1" column="70" lean-forward="false" selection-start-line="1" selection-start-column="70" selection-end-line="1" selection-end-column="70" />
                 <folding />
               </first_editor>
               <second_editor />
@@ -102,57 +115,13 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="server_test.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/test/server_test.dart">
+      <file leaf-file-name="all.dart" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/test/all.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="75">
-              <caret line="11" column="8" lean-forward="false" selection-start-line="11" selection-start-column="8" selection-end-line="11" selection-end-column="8" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="response_context.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/lib/src/http/response_context.dart">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="139">
-              <caret line="264" column="63" lean-forward="false" selection-start-line="264" selection-start-column="63" selection-end-line="264" selection-end-column="63" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="routing_test.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/test/routing_test.dart">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="168">
-              <caret line="38" column="21" lean-forward="true" selection-start-line="38" selection-start-column="21" selection-end-line="38" selection-end-column="21" />
+            <state relative-caret-position="140">
+              <caret line="31" column="23" lean-forward="false" selection-start-line="31" selection-start-column="23" selection-end-line="31" selection-end-column="23" />
               <folding>
-                <element signature="e#0#22#0" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="di_test.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/test/di_test.dart">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="420">
-              <caret line="28" column="62" lean-forward="false" selection-start-line="28" selection-start-column="62" selection-end-line="28" selection-end-column="62" />
-              <folding>
-                <element signature="e#0#22#0" expanded="true" />
-              </folding>
-            </state>
-          </provider>
-        </entry>
-      </file>
-      <file leaf-file-name="controller_test.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/test/controller_test.dart">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="180">
-              <caret line="95" column="61" lean-forward="false" selection-start-line="95" selection-start-column="45" selection-end-line="95" selection-end-column="61" />
-              <folding>
-                <element signature="e#0#20#0" expanded="true" />
+                <element signature="e#0#38#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -169,19 +138,6 @@
   </component>
   <component name="FindInProjectRecents">
     <findStrings>
-      <find>print(</find>
-      <find>handleaNGE</find>
-      <find>stderr</find>
-      <find>_AFTERp</find>
-      <find>_afterProc</find>
-      <find>_beforeP</find>
-      <find>_fatalE</find>
-      <find>fatalError</find>
-      <find>fatale</find>
-      <find>FATAL</find>
-      <find>error ??</find>
-      <find>sendRes</find>
-      <find>print</find>
       <find>.name</find>
       <find>logger</find>
       <find>handleRequ</find>
@@ -199,6 +155,19 @@
       <find>addStr</find>
       <find>Stopwatc</find>
       <find>_controllers</find>
+      <find>pipeline</find>
+      <find>handle</find>
+      <find>uncaught</find>
+      <find>header</find>
+      <find>creat</find>
+      <find>crea</find>
+      <find>run(</find>
+      <find>/*</find>
+      <find>runG</find>
+      <find>catchError</find>
+      <find>query</find>
+      <find>value == n</find>
+      <find>handleCont</find>
     </findStrings>
     <replaceStrings>
       <replace>_isClosed</replace>
@@ -215,6 +184,8 @@
       <replace>if (_isClosed &amp;&amp; !_useStream)</replace>
       <replace>logger?.warning</replace>
       <replace>JSON.decode</replace>
+      <replace>query</replace>
+      <replace>cookie</replace>
     </replaceStrings>
     <dirStrings>
       <dir>C:\Users\thosa\Source\Angel\framework\lib</dir>
@@ -236,9 +207,6 @@
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
-        <option value="$PROJECT_DIR$/test/general_test.dart" />
-        <option value="$PROJECT_DIR$/README.md" />
-        <option value="$PROJECT_DIR$/test/view_generator_test.dart" />
         <option value="$PROJECT_DIR$/lib/src/http/anonymous_service.dart" />
         <option value="$PROJECT_DIR$/test/anonymous_service_test.dart" />
         <option value="$PROJECT_DIR$/lib/src/http/typed_service.dart" />
@@ -255,7 +223,6 @@
         <option value="$PROJECT_DIR$/performance/hello/raw.md" />
         <option value="$PROJECT_DIR$/tool/travis.sh" />
         <option value="$PROJECT_DIR$/test/repeat_request_test.dart" />
-        <option value="$PROJECT_DIR$/lib/src/http/metadata.dart" />
         <option value="$PROJECT_DIR$/lib/src/http/fatal_error.dart" />
         <option value="$PROJECT_DIR$/lib/src/http/angel_http_exception.dart" />
         <option value="$PROJECT_DIR$/lib/angel_framework.dart" />
@@ -271,22 +238,26 @@
         <option value="$PROJECT_DIR$/test/streaming_test.dart" />
         <option value="$PROJECT_DIR$/performance/hello/main.dart" />
         <option value="$PROJECT_DIR$/test/encoders_buffer_test.dart" />
-        <option value="$PROJECT_DIR$/lib/src/http/injection.dart" />
-        <option value="$PROJECT_DIR$/pubspec.yaml" />
-        <option value="$PROJECT_DIR$/lib/src/http/request_context.dart" />
         <option value="$PROJECT_DIR$/example/json.dart" />
         <option value="$PROJECT_DIR$/lib/src/http/angel_base.dart" />
-        <option value="$PROJECT_DIR$/test/all.dart" />
-        <option value="$PROJECT_DIR$/lib/src/http/http.dart" />
-        <option value="$PROJECT_DIR$/test/routing_test.dart" />
         <option value="$PROJECT_DIR$/lib/src/http/response_context.dart" />
         <option value="$PROJECT_DIR$/lib/src/http/routable.dart" />
-        <option value="$PROJECT_DIR$/lib/src/http/controller.dart" />
-        <option value="$PROJECT_DIR$/CHANGELOG.md" />
         <option value="$PROJECT_DIR$/test/controller_test.dart" />
         <option value="$PROJECT_DIR$/test/di_test.dart" />
         <option value="$PROJECT_DIR$/test/server_test.dart" />
+        <option value="$PROJECT_DIR$/test/routing_test.dart" />
+        <option value="$PROJECT_DIR$/pubspec.yaml" />
+        <option value="$PROJECT_DIR$/lib/src/http/pattern_matcher.dart" />
+        <option value="$PROJECT_DIR$/lib/src/http/controller.dart" />
         <option value="$PROJECT_DIR$/lib/src/http/server.dart" />
+        <option value="$PROJECT_DIR$/lib/src/http/request_context.dart" />
+        <option value="$PROJECT_DIR$/lib/src/http/metadata.dart" />
+        <option value="$PROJECT_DIR$/lib/src/http/injection.dart" />
+        <option value="$PROJECT_DIR$/test/parameter_meta_test.dart" />
+        <option value="$PROJECT_DIR$/test/pattern_matcher_test.dart" />
+        <option value="$PROJECT_DIR$/lib/src/http/http.dart" />
+        <option value="$PROJECT_DIR$/CHANGELOG.md" />
+        <option value="$PROJECT_DIR$/test/all.dart" />
       </list>
     </option>
   </component>
@@ -297,9 +268,9 @@
     <sorting>DEFINITION_ORDER</sorting>
   </component>
   <component name="ProjectFrameBounds">
-    <option name="x" value="166" />
+    <option name="x" value="45" />
     <option name="y" value="23" />
-    <option name="width" value="1168" />
+    <option name="width" value="1395" />
     <option name="height" value="797" />
   </component>
   <component name="ProjectLevelVcsManager">
@@ -320,8 +291,10 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="PackagesPane" />
       <pane id="Scratches" />
+      <pane id="ProjectPane" />
+      <pane id="AndroidView" />
+      <pane id="PackagesPane" />
       <pane id="Scope">
         <subPane subId="Project Files">
           <expand>
@@ -347,27 +320,15 @@
               <item name="src" type="cbb8eebc:String" user="src" />
               <item name="http" type="cbb8eebc:String" user="http" />
             </path>
-            <path>
-              <item name="Root" type="cbb8eebc:String" user="Root" />
-              <item name="framework" type="cbb8eebc:String" user="framework" />
-              <item name="performance/hello" type="cbb8eebc:String" user="performance/hello" />
-            </path>
             <path>
               <item name="Root" type="cbb8eebc:String" user="Root" />
               <item name="framework" type="cbb8eebc:String" user="framework" />
               <item name="test" type="cbb8eebc:String" user="test" />
             </path>
-            <path>
-              <item name="Root" type="cbb8eebc:String" user="Root" />
-              <item name="framework" type="cbb8eebc:String" user="framework" />
-              <item name="tool" type="cbb8eebc:String" user="tool" />
-            </path>
           </expand>
           <select />
         </subPane>
       </pane>
-      <pane id="ProjectPane" />
-      <pane id="AndroidView" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -401,6 +362,11 @@
     </option>
   </component>
   <component name="RunManager" selected="Dart Test.All Tests">
+    <configuration name="Chained routes in routing_test.dart" type="DartTestRunConfigurationType" factoryName="Dart Test" nameIsGenerated="true">
+      <option name="filePath" value="$PROJECT_DIR$/test/routing_test.dart" />
+      <option name="scope" value="GROUP_OR_TEST_BY_NAME" />
+      <option name="testName" value="Chained routes" />
+    </configuration>
     <configuration default="true" type="BashConfigurationType" factoryName="Bash">
       <option name="INTERPRETER_OPTIONS" value="" />
       <option name="INTERPRETER_PATH" value="C:\Windows\system32\bash.exe" />
@@ -516,6 +482,11 @@
       <option name="scope" value="GROUP_OR_TEST_BY_NAME" />
       <option name="testName" value="default view generator" />
     </configuration>
+    <configuration name="injects header or throws in parameter_meta_test.dart" type="DartTestRunConfigurationType" factoryName="Dart Test" nameIsGenerated="true">
+      <option name="filePath" value="$PROJECT_DIR$/test/parameter_meta_test.dart" />
+      <option name="scope" value="GROUP_OR_TEST_BY_NAME" />
+      <option name="testName" value="injects header or throws" />
+    </configuration>
     <configuration name="only match route with matching method in routing_test.dart" type="DartTestRunConfigurationType" factoryName="Dart Test" nameIsGenerated="true">
       <option name="filePath" value="$PROJECT_DIR$/test/routing_test.dart" />
       <option name="scope" value="GROUP_OR_TEST_BY_NAME" />
@@ -542,6 +513,10 @@
       <option name="filePath" value="$PROJECT_DIR$/test/exception_test.dart" />
       <option name="testName" value="exception_test.dart" />
     </configuration>
+    <configuration name="tests in parameter_meta_test.dart" type="DartTestRunConfigurationType" factoryName="Dart Test" nameIsGenerated="true">
+      <option name="filePath" value="$PROJECT_DIR$/test/parameter_meta_test.dart" />
+      <option name="testName" value="parameter_meta_test.dart" />
+    </configuration>
     <configuration name="tests in precontained_test.dart" type="DartTestRunConfigurationType" factoryName="Dart Test" nameIsGenerated="true">
       <option name="filePath" value="$PROJECT_DIR$/test/precontained_test.dart" />
       <option name="testName" value="precontained_test.dart" />
@@ -566,37 +541,41 @@
       <option name="filePath" value="$PROJECT_DIR$/test/typed_service_test.dart" />
       <option name="testName" value="typed_service_test.dart" />
     </configuration>
-    <list size="30">
-      <item index="0" class="java.lang.String" itemvalue="Dart Test.only match route with matching method in routing_test.dart" />
-      <item index="1" class="java.lang.String" itemvalue="Dart Test.only uses one encoder in encoders_buffer_test.dart" />
-      <item index="2" class="java.lang.String" itemvalue="Dart Test.can send html in server_test.dart" />
-      <item index="3" class="java.lang.String" itemvalue="Dart Command Line App.performance::hello" />
-      <item index="4" class="java.lang.String" itemvalue="Dart Command Line App.All Tests (for coverage)" />
-      <item index="5" class="java.lang.String" itemvalue="Dart Command Line App.All Tests (PRODUCTION)" />
-      <item index="6" class="java.lang.String" itemvalue="Dart Command Line App.performance::hello::raw" />
-      <item index="7" class="java.lang.String" itemvalue="Dart Test.tests in primitives_test.dart" />
-      <item index="8" class="java.lang.String" itemvalue="Dart Test.tests in repeat_request_test.dart" />
-      <item index="9" class="java.lang.String" itemvalue="Dart Test.tests in encoders_buffer_test.dart" />
-      <item index="10" class="java.lang.String" itemvalue="Dart Test.tests in streaming_test.dart" />
-      <item index="11" class="java.lang.String" itemvalue="Dart Test.can create data in services_test.dart" />
-      <item index="12" class="java.lang.String" itemvalue="Dart Test.can delete data in services_test.dart" />
-      <item index="13" class="java.lang.String" itemvalue="Dart Test.can use app.properties like members in util_test.dart" />
-      <item index="14" class="java.lang.String" itemvalue="Dart Test.tests in accepts_test.dart" />
-      <item index="15" class="java.lang.String" itemvalue="Dart Test.contains provider in before and after in hooked_test.dart" />
-      <item index="16" class="java.lang.String" itemvalue="Dart Test.tests in server_test.dart" />
-      <item index="17" class="java.lang.String" itemvalue="Dart Test.tests in anonymous_service_test.dart" />
-      <item index="18" class="java.lang.String" itemvalue="Dart Test.tests in exception_test.dart" />
-      <item index="19" class="java.lang.String" itemvalue="Dart Test.tests in typed_service_test.dart" />
-      <item index="20" class="java.lang.String" itemvalue="Dart Test.default view generator in view_generator_test.dart" />
-      <item index="21" class="java.lang.String" itemvalue="Dart Test.tests in precontained_test.dart" />
-      <item index="22" class="java.lang.String" itemvalue="Dart Test.Controller Tests" />
-      <item index="23" class="java.lang.String" itemvalue="Dart Test.DI Tests" />
-      <item index="24" class="java.lang.String" itemvalue="Dart Test.Hooked Tests" />
-      <item index="25" class="java.lang.String" itemvalue="Dart Test.Routing Tests" />
-      <item index="26" class="java.lang.String" itemvalue="Dart Test.tests in server_test.dart (PRODUCTION)" />
-      <item index="27" class="java.lang.String" itemvalue="Dart Test.All Tests" />
-      <item index="28" class="java.lang.String" itemvalue="Dart Test.All Tests (PRODUCTION)" />
-      <item index="29" class="java.lang.String" itemvalue="Dart Test.cannot write after close in streaming_test.dart" />
+    <list size="34">
+      <item index="0" class="java.lang.String" itemvalue="Dart Command Line App.performance::hello" />
+      <item index="1" class="java.lang.String" itemvalue="Dart Command Line App.All Tests (for coverage)" />
+      <item index="2" class="java.lang.String" itemvalue="Dart Command Line App.All Tests (PRODUCTION)" />
+      <item index="3" class="java.lang.String" itemvalue="Dart Command Line App.performance::hello::raw" />
+      <item index="4" class="java.lang.String" itemvalue="Dart Test.injects header or throws in parameter_meta_test.dart" />
+      <item index="5" class="java.lang.String" itemvalue="Dart Test.injects session or throws in parameter_meta_test.dart" />
+      <item index="6" class="java.lang.String" itemvalue="Dart Test.tests in parameter_meta_test.dart" />
+      <item index="7" class="java.lang.String" itemvalue="Dart Test.Chained routes in routing_test.dart" />
+      <item index="8" class="java.lang.String" itemvalue="Dart Test.only match route with matching method in routing_test.dart" />
+      <item index="9" class="java.lang.String" itemvalue="Dart Test.only uses one encoder in encoders_buffer_test.dart" />
+      <item index="10" class="java.lang.String" itemvalue="Dart Test.can send html in server_test.dart" />
+      <item index="11" class="java.lang.String" itemvalue="Dart Test.tests in primitives_test.dart" />
+      <item index="12" class="java.lang.String" itemvalue="Dart Test.tests in repeat_request_test.dart" />
+      <item index="13" class="java.lang.String" itemvalue="Dart Test.tests in encoders_buffer_test.dart" />
+      <item index="14" class="java.lang.String" itemvalue="Dart Test.tests in streaming_test.dart" />
+      <item index="15" class="java.lang.String" itemvalue="Dart Test.can create data in services_test.dart" />
+      <item index="16" class="java.lang.String" itemvalue="Dart Test.can delete data in services_test.dart" />
+      <item index="17" class="java.lang.String" itemvalue="Dart Test.can use app.properties like members in util_test.dart" />
+      <item index="18" class="java.lang.String" itemvalue="Dart Test.tests in accepts_test.dart" />
+      <item index="19" class="java.lang.String" itemvalue="Dart Test.contains provider in before and after in hooked_test.dart" />
+      <item index="20" class="java.lang.String" itemvalue="Dart Test.tests in server_test.dart" />
+      <item index="21" class="java.lang.String" itemvalue="Dart Test.tests in anonymous_service_test.dart" />
+      <item index="22" class="java.lang.String" itemvalue="Dart Test.tests in exception_test.dart" />
+      <item index="23" class="java.lang.String" itemvalue="Dart Test.tests in typed_service_test.dart" />
+      <item index="24" class="java.lang.String" itemvalue="Dart Test.default view generator in view_generator_test.dart" />
+      <item index="25" class="java.lang.String" itemvalue="Dart Test.tests in precontained_test.dart" />
+      <item index="26" class="java.lang.String" itemvalue="Dart Test.Controller Tests" />
+      <item index="27" class="java.lang.String" itemvalue="Dart Test.DI Tests" />
+      <item index="28" class="java.lang.String" itemvalue="Dart Test.Hooked Tests" />
+      <item index="29" class="java.lang.String" itemvalue="Dart Test.Routing Tests" />
+      <item index="30" class="java.lang.String" itemvalue="Dart Test.tests in server_test.dart (PRODUCTION)" />
+      <item index="31" class="java.lang.String" itemvalue="Dart Test.All Tests" />
+      <item index="32" class="java.lang.String" itemvalue="Dart Test.All Tests (PRODUCTION)" />
+      <item index="33" class="java.lang.String" itemvalue="Dart Test.cannot write after close in streaming_test.dart" />
     </list>
   </component>
   <component name="ShelveChangesManager" show_recycled="false">
@@ -647,7 +626,11 @@
       <workItem from="1506090042437" duration="1751000" />
       <workItem from="1506275395906" duration="424000" />
       <workItem from="1506281553143" duration="657000" />
-      <workItem from="1507123481086" duration="2431000" />
+      <workItem from="1507123481086" duration="2629000" />
+      <workItem from="1507496428508" duration="1038000" />
+      <workItem from="1507502664740" duration="80000" />
+      <workItem from="1507556590639" duration="230000" />
+      <workItem from="1507641822711" duration="7922000" />
     </task>
     <task id="LOCAL-00001" summary="Re-designed exception">
       <created>1481237183504</created>
@@ -919,39 +902,39 @@
     <servers />
   </component>
   <component name="TestHistory">
-    <history-entry file="All_Tests - 2017.10.04 at 09h 53m 19s.xml">
+    <history-entry file="All_Tests - 2017.10.10 at 12h 54m 58s.xml">
       <configuration name="All Tests" configurationId="DartTestRunConfigurationType" />
     </history-entry>
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-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/http/controller.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="139">
-          <caret line="54" column="8" lean-forward="false" selection-start-line="54" selection-start-column="8" selection-end-line="54" selection-end-column="8" />
-          <folding>
-            <element signature="e#42#62#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
-        <state split_layout="SPLIT">
-          <first_editor relative-caret-position="105">
-            <caret line="7" column="85" lean-forward="false" selection-start-line="7" selection-start-column="85" selection-end-line="7" selection-end-column="85" />
-            <folding />
-          </first_editor>
-          <second_editor />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/test/controller_test.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="180">
+        <state relative-caret-position="1320">
           <caret line="95" column="61" lean-forward="false" selection-start-line="95" selection-start-column="45" selection-end-line="95" selection-end-column="61" />
           <folding>
-            <element signature="e#0#20#0" expanded="true" />
+            <element signature="e#0#20#0" expanded="false" />
           </folding>
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/test/di_test.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="420">
+        <state relative-caret-position="330">
           <caret line="28" column="62" lean-forward="false" selection-start-line="28" selection-start-column="62" selection-end-line="28" selection-end-column="62" />
           <folding>
-            <element signature="e#0#22#0" expanded="true" />
+            <element signature="e#0#22#0" expanded="false" />
           </folding>
         </state>
       </provider>
@@ -1392,10 +1223,27 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/http/server.dart">
+    <entry file="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/angel_route-1.0.5/lib/src/middleware_pipeline.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="165">
-          <caret line="13" column="34" lean-forward="false" selection-start-line="13" selection-start-column="34" selection-end-line="13" selection-end-column="34" />
+        <state relative-caret-position="120">
+          <caret line="8" column="11" lean-forward="false" selection-start-line="8" selection-start-column="11" selection-end-line="8" selection-end-column="11" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test/routing_test.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="1404">
+          <caret line="105" column="18" lean-forward="true" selection-start-line="105" selection-start-column="18" selection-end-line="105" selection-end-column="18" />
+          <folding>
+            <element signature="e#0#22#0" expanded="false" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="120">
+          <caret line="8" column="30" lean-forward="true" selection-start-line="8" selection-start-column="30" selection-end-line="8" selection-end-column="30" />
           <folding />
         </state>
       </provider>
@@ -1404,7 +1252,7 @@
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
           <first_editor relative-caret-position="285">
-            <caret line="19" column="6" lean-forward="true" selection-start-line="19" selection-start-column="6" selection-end-line="19" selection-end-column="6" />
+            <caret line="19" column="6" lean-forward="false" selection-start-line="19" selection-start-column="6" selection-end-line="19" selection-end-column="6" />
             <folding>
               <marker date="1506049250000" expanded="true" signature="588:776" ph="{...}" />
             </folding>
@@ -1413,6 +1261,151 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/test/precontained_test.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="255">
+          <caret line="17" column="24" lean-forward="false" selection-start-line="17" selection-start-column="24" selection-end-line="17" selection-end-column="24" />
+          <folding>
+            <element signature="e#0#22#0" expanded="false" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/mock_request-1.0.2/lib/src/response.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="150">
+          <caret line="15" column="21" lean-forward="false" selection-start-line="15" selection-start-column="21" selection-end-line="15" selection-end-column="21" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/util.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="150">
+          <caret line="10" column="5" lean-forward="true" selection-start-line="10" selection-start-column="5" selection-end-line="10" selection-end-column="5" />
+          <folding>
+            <element signature="e#0#20#0" expanded="false" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file:///usr/local/Cellar/dart/1.24.2/libexec/lib/async/zone.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="47">
+          <caret line="1433" column="2" lean-forward="false" selection-start-line="1433" selection-start-column="2" selection-end-line="1433" selection-end-column="2" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/http/request_context.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="33" column="13" lean-forward="false" selection-start-line="33" selection-start-column="13" selection-end-line="33" selection-end-column="13" />
+          <folding>
+            <element signature="e#47#67#0" expanded="false" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/http/routable.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="135">
+          <caret line="9" column="23" lean-forward="false" selection-start-line="9" selection-start-column="23" selection-end-line="9" selection-end-column="23" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/http/server.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="243">
+          <caret line="480" column="23" lean-forward="false" selection-start-line="480" selection-start-column="13" selection-end-line="480" selection-end-column="23" />
+          <folding>
+            <element signature="e#38#58#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/http/metadata.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="615">
+          <caret line="100" column="8" lean-forward="false" selection-start-line="100" selection-start-column="8" selection-end-line="100" selection-end-column="8" />
+          <folding>
+            <element signature="e#40#101#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/http/injection.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="210">
+          <caret line="73" column="28" lean-forward="false" selection-start-line="73" selection-start-column="28" selection-end-line="73" selection-end-column="28" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/http/controller.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-323">
+          <caret line="18" column="0" lean-forward="true" selection-start-line="18" selection-start-column="0" selection-end-line="18" selection-end-column="0" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/http/pattern_matcher.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="330">
+          <caret line="22" column="5" lean-forward="true" selection-start-line="22" selection-start-column="5" selection-end-line="22" selection-end-column="5" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test/parameter_meta_test.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="180">
+          <caret line="12" column="13" lean-forward="true" selection-start-line="12" selection-start-column="13" selection-end-line="12" selection-end-column="13" />
+          <folding>
+            <element signature="e#0#20#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test/pattern_matcher_test.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="257">
+          <caret line="59" column="40" lean-forward="true" selection-start-line="59" selection-start-column="40" selection-end-line="78" selection-end-column="37" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/http/http.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="15" column="23" lean-forward="false" selection-start-line="15" selection-start-column="23" selection-end-line="15" selection-end-column="23" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="15">
+            <caret line="1" column="70" lean-forward="false" selection-start-line="1" selection-start-column="70" selection-end-line="1" selection-end-column="70" />
+            <folding />
+          </first_editor>
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/test/all.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="140">
+          <caret line="31" column="23" lean-forward="false" selection-start-line="31" selection-start-column="23" selection-end-line="31" selection-end-column="23" />
+          <folding>
+            <element signature="e#0#38#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
   </component>
   <component name="masterDetails">
     <states>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 857134df..a8acd86f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# 1.1.0-alpha+6
+* Added `@Parameter()` annotations, with support for pattern matching.
+
 # 1.1.0-alpha+5
 * Closed [#166](https://github.com/angel-dart/framework/issues/166), killing any hanging `Stopwatch` instances when streaming.
 * Removed `AngelPlugin` and `AngelMiddleware`, as well as the `@proxy` annotations from `Angel` and `RequestContext`.
diff --git a/lib/src/http/injection.dart b/lib/src/http/injection.dart
index 4b89c7b5..7f4e5f39 100644
--- a/lib/src/http/injection.dart
+++ b/lib/src/http/injection.dart
@@ -12,76 +12,84 @@ RequestHandler createDynamicHandler(handler,
   return handleContained(handler, injection);
 }
 
+resolveInjection(requirement, InjectionRequest injection, RequestContext req,
+    ResponseContext res, bool throwOnUnresolved) {
+  var propFromApp;
+
+  if (requirement == RequestContext) {
+    return req;
+  } else if (requirement == ResponseContext) {
+    return res;
+  } else if (requirement is String &&
+      injection.parameters.containsKey(requirement)) {
+    var param = injection.parameters[requirement];
+    var value = param.getValue(req);
+    if (value == null && param.required != false) throw param.error;
+    return value;
+  } else if (requirement is String) {
+    if (req.params.containsKey(requirement)) {
+      return req.params[requirement];
+    } else if (req._injections.containsKey(requirement))
+      return req._injections[requirement];
+    else if (req.properties.containsKey(requirement))
+      return req.properties[requirement];
+    else if ((propFromApp = req.app.findProperty(requirement)) != null)
+      return propFromApp;
+    else if (injection.optional.contains(requirement))
+      return null;
+    else if (throwOnUnresolved) {
+      throw new ArgumentError(
+          "Cannot resolve parameter '$requirement' within handler.");
+    }
+  } else if (requirement is List &&
+      requirement.length == 2 &&
+      requirement.first is String &&
+      requirement.last is Type) {
+    String key = requirement.first;
+    Type type = requirement.last;
+    if (req.params.containsKey(key) ||
+        req._injections.containsKey(key) ||
+        req.properties.containsKey(key) ||
+        req.app.configuration.containsKey(key) ||
+        _primitiveTypes.contains(type)) {
+      return resolveInjection(key, injection, req, res, throwOnUnresolved);
+    } else
+      return resolveInjection(type, injection, req, res, throwOnUnresolved);
+  } else if (requirement is Type && requirement != dynamic) {
+    if (req._injections.containsKey(requirement))
+      return req._injections[requirement];
+    else
+      return req.app.container.make(requirement);
+  } else if (throwOnUnresolved) {
+    throw new ArgumentError(
+        '$requirement cannot be injected into a request handler.');
+  }
+}
+
+/// Checks if an [InjectionRequest] can be sufficiently executed within the current request/response context.
+bool suitableForInjection(RequestContext req, ResponseContext res, InjectionRequest injection) {
+  return injection.parameters.values.any((p) {
+    if (p.match == null) return false;
+    var value = p.getValue(req);
+    return value == p.match;
+  });
+}
+
 /// Handles a request with a DI-enabled handler.
 RequestHandler handleContained(handler, InjectionRequest injection) {
   return (RequestContext req, ResponseContext res) async {
+    if (injection.parameters.isNotEmpty && injection.parameters.values.any((p) => p.match != null) && !suitableForInjection(req, res, injection))
+      return true;
+
     List args = [];
 
-    void inject(requirement) {
-      var propFromApp;
-
-      if (requirement == RequestContext) {
-        args.add(req);
-      } else if (requirement == ResponseContext) {
-        args.add(res);
-      } else if (requirement is String) {
-        if (req.params.containsKey(requirement)) {
-          args.add(req.params[requirement]);
-        } else if (req._injections.containsKey(requirement))
-          args.add(req._injections[requirement]);
-        else if (req.properties.containsKey(requirement))
-          args.add(req.properties[requirement]);
-        else if ((propFromApp = req.app.findProperty(requirement)) != null)
-          args.add(propFromApp);
-        else if (injection.optional.contains(requirement))
-          args.add(null);
-        else {
-          throw new ArgumentError(
-              "Cannot resolve parameter '$requirement' within handler.");
-        }
-      } else if (requirement is List &&
-          requirement.length == 2 &&
-          requirement.first is String &&
-          requirement.last is Type) {
-        String key = requirement.first;
-        Type type = requirement.last;
-        if (req.params.containsKey(key) ||
-            req._injections.containsKey(key) ||
-            req.properties.containsKey(key) ||
-            req.app.configuration.containsKey(key) ||
-            _primitiveTypes.contains(type)) {
-          inject(key);
-        } else
-          inject(type);
-      } else if (requirement is Type && requirement != dynamic) {
-        if (req._injections.containsKey(requirement))
-          args.add(req._injections[requirement]);
-        else
-          args.add(req.app.container.make(requirement));
-      } else {
-        throw new ArgumentError(
-            '$requirement cannot be injected into a request handler.');
-      }
-    }
-
     Map<Symbol, dynamic> named = {};
-    injection.required.forEach(inject);
+    args.addAll(injection.required
+        .map((r) => resolveInjection(r, injection, req, res, true)));
 
     injection.named.forEach((k, v) {
       var name = new Symbol(k);
-      if (req.params.containsKey(k))
-        named[name] = v;
-      else if (req._injections.containsKey(k))
-        named[name] = v;
-      else if (req._injections.containsKey(v) && v != dynamic)
-        named[name] = v;
-      else {
-        try {
-          named[name] = req.app.container.make(v);
-        } catch (e) {
-          named[name] = null;
-        }
-      }
+      named[name] = resolveInjection([k, v], injection, req, res, false);
     });
 
     var result = Function.apply(handler, args, named);
@@ -106,14 +114,24 @@ class InjectionRequest {
   /// A list of the arguments that can be null in a DI-enabled method.
   final List<String> optional;
 
-  const InjectionRequest.constant({this.named, this.required, this.optional});
+  /// Extended parameter definitions.
+  final Map<String, Parameter> parameters;
+
+  const InjectionRequest.constant(
+      {this.named: const {},
+      this.required: const [],
+      this.optional: const [],
+      this.parameters: const {}});
 
   InjectionRequest()
       : named = {},
         required = [],
-        optional = [];
+        optional = [],
+        parameters = {};
 }
 
+final TypeMirror _Parameter = reflectType(Parameter);
+
 /// Predetermines what needs to be injected for a handler to run.
 InjectionRequest preInject(Function handler) {
   var injection = new InjectionRequest();
@@ -127,6 +145,22 @@ InjectionRequest preInject(Function handler) {
     var name = MirrorSystem.getName(parameter.simpleName);
     var type = parameter.type.reflectedType;
 
+    var p = parameter.metadata
+        .firstWhere((m) => m.type.isAssignableTo(_Parameter),
+            orElse: () => null)
+        ?.reflectee as Parameter;
+    if (p != null) {
+      injection.parameters[name] = new Parameter(
+        cookie: p.cookie,
+        header: p.header,
+        query: p.query,
+        session: p.session,
+        match: p.match,
+        defaultValue: p.defaultValue,
+        required: parameter.isNamed ? false : p.required != false,
+      );
+    }
+
     if (!parameter.isNamed) {
       if (parameter.isOptional) injection.optional.add(name);
 
diff --git a/lib/src/http/metadata.dart b/lib/src/http/metadata.dart
index c2180efe..0fd38063 100644
--- a/lib/src/http/metadata.dart
+++ b/lib/src/http/metadata.dart
@@ -1,6 +1,8 @@
 library angel_framework.http.metadata;
 
 import 'hooked_service.dart' show HookedServiceEventListener;
+import 'package:angel_http_exception/angel_http_exception.dart';
+import 'request_context.dart';
 
 /// Annotation to map middleware onto a handler.
 class Middleware {
@@ -31,3 +33,105 @@ class Expose {
       this.as: null,
       this.allowNull: const []});
 }
+
+/// Used to apply special dependency injections or functionality to a function parameter.
+class Parameter {
+  /// Inject the value of a request cookie.
+  final String cookie;
+
+  /// Inject the value of a request header.
+  final String header;
+
+  /// Inject the value of a key from the session.
+  final String session;
+
+  /// Inject the value of a key from the query.
+  final String query;
+
+  /// Only execute the handler if the value of this parameter matches the given value.
+  final match;
+
+  /// Specify a default value.
+  final defaultValue;
+
+  /// If `true` (default), then an error will be thrown if this parameter is not present.
+  final bool required;
+
+  const Parameter(
+      {this.cookie,
+      this.query,
+      this.header,
+      this.session,
+      this.match,
+      this.defaultValue,
+      this.required});
+
+  /// Returns an error that can be thrown when the parameter is not present.
+  get error {
+    if (cookie?.isNotEmpty == true)
+      return new AngelHttpException.badRequest(
+          message: 'Missing required cookie "$cookie".');
+    if (header?.isNotEmpty == true)
+      return new AngelHttpException.badRequest(
+          message: 'Missing required header "$header".');
+    if (query?.isNotEmpty == true)
+      return new AngelHttpException.badRequest(
+          message: 'Missing required query parameter "$query".');
+    if (session?.isNotEmpty == true)
+      return new StateError(
+          'Session does not contain required key "$session".');
+  }
+
+  /// Obtains a value for this parameter from a [RequestContext].
+  getValue(RequestContext req) {
+    if (cookie?.isNotEmpty == true)
+      return req.cookies.firstWhere((c) => c.name == cookie)?.value ??
+          defaultValue;
+    if (header?.isNotEmpty == true)
+      return req.headers.value(header) ?? defaultValue;
+    if (session?.isNotEmpty == true)
+      return req.session[session] ?? defaultValue;
+    if (query?.isNotEmpty == true) return req.query[query] ?? defaultValue;
+    return defaultValue;
+  }
+}
+
+/// Shortcut for declaring a request header [Parameter].
+class Header extends Parameter {
+  const Header(String header, {match, defaultValue, bool required: true})
+      : super(
+            header: header,
+            match: match,
+            defaultValue: defaultValue,
+            required: required);
+}
+
+/// Shortcut for declaring a request session [Parameter].
+class Session extends Parameter {
+  const Session(String session, {match, defaultValue, bool required: true})
+      : super(
+            session: session,
+            match: match,
+            defaultValue: defaultValue,
+            required: required);
+}
+
+/// Shortcut for declaring a request query [Parameter].
+class Query extends Parameter {
+  const Query(String query, {match, defaultValue, bool required: true})
+      : super(
+            query: query,
+            match: match,
+            defaultValue: defaultValue,
+            required: required);
+}
+
+/// Shortcut for declaring a request cookie [Parameter].
+class CookieValue extends Parameter {
+  const CookieValue(String cookie, {match, defaultValue, bool required: true})
+      : super(
+            cookie: cookie,
+            match: match,
+            defaultValue: defaultValue,
+            required: required);
+}
diff --git a/lib/src/http/request_context.dart b/lib/src/http/request_context.dart
index f200d3c3..886b30ba 100644
--- a/lib/src/http/request_context.dart
+++ b/lib/src/http/request_context.dart
@@ -3,8 +3,10 @@ library angel_framework.http.request_context;
 import 'dart:async';
 import 'dart:io';
 import 'dart:mirrors';
+import 'package:angel_http_exception/angel_http_exception.dart';
 import 'package:body_parser/body_parser.dart';
 import 'package:charcode/charcode.dart';
+import 'metadata.dart';
 import 'response_context.dart';
 import 'routable.dart';
 import 'server.dart' show Angel;
diff --git a/lib/src/http/server.dart b/lib/src/http/server.dart
index 1c2f1b9c..240aaf5c 100644
--- a/lib/src/http/server.dart
+++ b/lib/src/http/server.dart
@@ -347,7 +347,8 @@ class Angel extends AngelBase {
     }
 
     res.statusCode = e.statusCode;
-    await errorHandler(e, req, res);
+    var result = await errorHandler(e, req, res);
+    await executeHandler(result, req, res);
     res.end();
     return await sendResponse(request, req, res,
         ignoreFinalizers: ignoreFinalizers == true);
@@ -360,7 +361,7 @@ class Angel extends AngelBase {
     var zoneSpec = await createZoneForRequest(request, req, res);
     var zone = Zone.current.fork(specification: zoneSpec);
 
-    return zone.run(() async {
+    return zone.runGuarded(() async {
       String requestedUrl;
 
       // Faster way to get path
@@ -387,6 +388,7 @@ class Angel extends AngelBase {
         Router r = isProduction ? (_flattened ??= flatten(this)) : this;
         var resolved =
             r.resolveAll(requestedUrl, requestedUrl, method: req.method);
+
         return new Tuple3(
           new MiddlewarePipeline(resolved),
           resolved.fold<Map>({}, (out, r) => out..addAll(r.allParams)),
@@ -425,6 +427,15 @@ class Angel extends AngelBase {
           ignoreFinalizers: true,
         );
       }
+    }).catchError((error, stackTrace) {
+      var e = new AngelHttpException(error,
+          stackTrace: stackTrace, message: error?.toString());
+
+      if (logger != null) {
+        logger.severe(e.message ?? e.toString(), error, stackTrace);
+      }
+
+      return handleAngelHttpException(e, stackTrace, req, res, request);
     });
   }
 
@@ -612,19 +623,6 @@ class Angel extends AngelBase {
 
     createZoneForRequest = (request, req, res) async {
       return new ZoneSpecification(
-        handleUncaughtError: (Zone self, ZoneDelegate parent, Zone zone, error,
-            StackTrace stackTrace) {
-          var e = new AngelHttpException(error,
-              stackTrace: stackTrace, message: error?.toString());
-          return handleAngelHttpException(
-            e,
-            stackTrace,
-            req,
-            res,
-            request,
-            ignoreFinalizers: true,
-          );
-        },
         print: (Zone self, ZoneDelegate parent, Zone zone, String line) {
           if (logger != null) {
             logger.info(line);
diff --git a/pubspec.yaml b/pubspec.yaml
index 04bc9c56..08125bb7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -15,13 +15,13 @@ dependencies:
   flatten: ^1.0.0
   json_god: ^2.0.0-beta
   logging: ">=0.11.3 <1.0.0"
+  matcher: ^0.12.0
   merge_map: ^1.0.0
   meta: ^1.0.0
   mime: ^0.9.3
   random_string: ^0.0.1
   tuple: ^1.0.0
 dev_dependencies:
-  matcher: ^0.12.0
   mock_request: ^1.0.0
   http: ^0.11.3
   test: ^0.12.13
diff --git a/test/all.dart b/test/all.dart
index 0dbf6604..2cddc867 100644
--- a/test/all.dart
+++ b/test/all.dart
@@ -6,6 +6,7 @@ import 'encoders_buffer_test.dart' as encoders_buffer;
 import 'exception_test.dart' as exception;
 import 'general_test.dart' as general;
 import 'hooked_test.dart' as hooked;
+import 'parameter_meta_test.dart' as parameter_meta;
 import 'precontained_test.dart' as precontained;
 import 'primitives_test.dart' as primitives;
 import 'repeat_request_test.dart' as repeat_request;
@@ -28,6 +29,7 @@ main() {
   group('exception', exception.main);
   group('general', general.main);
   group('hooked', hooked.main);
+  group('parameter_meta', parameter_meta.main);
   group('precontained', precontained.main);
   group('primitives', primitives.main);
   group('repeat request', repeat_request.main);
diff --git a/test/parameter_meta_test.dart b/test/parameter_meta_test.dart
new file mode 100644
index 00000000..aa6009de
--- /dev/null
+++ b/test/parameter_meta_test.dart
@@ -0,0 +1,131 @@
+import 'dart:async';
+import 'dart:convert';
+import 'package:angel_framework/angel_framework.dart';
+import 'package:logging/logging.dart';
+import 'package:mock_request/mock_request.dart';
+import 'package:test/test.dart';
+
+Future<String> readResponse(MockHttpResponse rs) {
+  return rs.transform(UTF8.decoder).join();
+}
+
+Future printResponse(MockHttpResponse rs) {
+  return readResponse(rs).then((text) {
+    print(text.isEmpty ? '<empty response>' : text);
+  });
+}
+
+main() {
+  Angel app;
+
+  setUp(() {
+    app = new Angel()..lazyParseBodies = true;
+
+    app.get('/cookie', (@CookieValue('token') String jwt) {
+      return jwt;
+    });
+
+    app.get('/header', (@Header('x-foo') String header) {
+      return header;
+    });
+
+    app.get('/query', (@Query('q') String query) {
+      return query;
+    });
+
+    app.get('/session', (@Session('foo') String foo) {
+      return foo;
+    });
+
+    app.get('/match', (@Query('mode', match: 'pos') String mode) {
+      return 'YES $mode';
+    });
+
+    app.get('/match', (@Query('mode', match: 'neg') String mode) {
+      return 'NO $mode';
+    });
+
+    app.get('/match', (@Query('mode') String mode) {
+      return 'DEFAULT $mode';
+    });
+
+    app.logger = new Logger('parameter_meta_test')
+      ..onRecord.listen((rec) {
+        print(rec);
+        if (rec.error != null) print(rec.error);
+        if (rec.stackTrace != null) print(rec.stackTrace);
+      });
+  });
+
+  test('injects header or throws', () async {
+    // Invalid request
+    var rq = new MockHttpRequest('GET', Uri.parse('/header'))..close();
+    var rs = rq.response;
+    await app.handleRequest(rq);
+
+    await printResponse(rs);
+    expect(rs.statusCode, 400);
+
+    // Valid request
+    rq = new MockHttpRequest('GET', Uri.parse('/header'))
+      ..headers.add('x-foo', 'bar')
+      ..close();
+    rs = rq.response;
+    await app.handleRequest(rq);
+
+    var body = await readResponse(rs);
+    print('Body: $body');
+    expect(rs.statusCode, 200);
+    expect(body, JSON.encode('bar'));
+  });
+
+  test('injects session or throws', () async {
+    // Invalid request
+    var rq = new MockHttpRequest('GET', Uri.parse('/session'))..close();
+    var rs = rq.response;
+    await app.handleRequest(rq);
+
+    await printResponse(rs);
+    expect(rs.statusCode, 500);
+
+    rq = new MockHttpRequest('GET', Uri.parse('/session'));
+    rq.session['foo'] = 'bar';
+    rq.close();
+    rs = rq.response;
+    await app.handleRequest(rq);
+
+    await printResponse(rs);
+    expect(rs.statusCode, 200);
+  });
+
+  // Originally, the plan was to test cookie, session, header, etc.,
+  // but that behavior has been consolidated into `getValue`. Thus,
+  // they will all function the same way.
+
+  test('pattern matching', () async {
+    var rq = new MockHttpRequest('GET', Uri.parse('/match?mode=pos'))..close();
+    var rs = rq.response;
+    await app.handleRequest(rq);
+    var body = await readResponse(rs);
+    print('Body: $body');
+    expect(rs.statusCode, 200);
+    expect(body, JSON.encode('YES pos'));
+
+    rq = new MockHttpRequest('GET', Uri.parse('/match?mode=neg'))..close();
+    rs = rq.response;
+    await app.handleRequest(rq);
+    body = await readResponse(rs);
+    print('Body: $body');
+    expect(rs.statusCode, 200);
+    expect(body, JSON.encode('NO neg'));
+
+    // Fallback
+    rq = new MockHttpRequest('GET', Uri.parse('/match?mode=ambi'))..close();
+    rs = rq.response;
+    await app.handleRequest(rq);
+    body = await readResponse(rs);
+    print('Body: $body');
+    expect(rs.statusCode, 200);
+    expect(body, JSON.encode('DEFAULT ambi'));
+  });
+}
diff --git a/test/routing_test.dart b/test/routing_test.dart
index f96f7b7e..5cd54d78 100644
--- a/test/routing_test.dart
+++ b/test/routing_test.dart
@@ -79,6 +79,15 @@ main() {
 
     app.use('/query', new QueryService());
 
+    RequestMiddleware write(String message) {
+      return (req, res) async {
+        res.write(message);
+        return true;
+      };
+    }
+
+    app.chain(write('a')).chain([write('b'), write('c')]).get('/chained', () => false);
+
     app.use('MJ');
 
     app.dumpTree(header: "DUMPING ROUTES:", showMatchers: true);
@@ -112,6 +121,11 @@ main() {
     expect(json['last'], equals('WORLD'));
   });
 
+  test('Chained routes', () async {
+    var response = await client.get("$url/chained");
+    expect(response.body, equals('abc'));
+  });
+
   test('Can nest another Angel instance', () async {
     var response = await client.post('$url/nes/ted/foo');
     var json = JSON.decode(response.body);