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From "Ashish Mahamuni (JIRA)" <j...@apache.org>
Subject [jira] Created: (WW-3313) Adobe's amf and amfx extension content handler
Date Wed, 04 Nov 2009 12:35:13 GMT
Adobe's amf and amfx extension content handler
----------------------------------------------

                 Key: WW-3313
                 URL: https://issues.apache.org/struts/browse/WW-3313
             Project: Struts 2
          Issue Type: New Feature
          Components: Plugin - REST
            Reporter: Ashish Mahamuni
            Priority: Minor


I've created content handler for adobe specific amf and amfx extensions. Here is the patch
for the same.

Index: plugins/rest/pom.xml
===================================================================
--- plugins/rest/pom.xml	(revision 832711)
+++ plugins/rest/pom.xml	(working copy)
@@ -34,6 +34,26 @@
    <name>Struts 2 REST Plugin</name>
 
     <dependencies>
+		<dependency>
+		    <groupId>org.apache.pluto</groupId>
+		    <artifactId>pluto</artifactId>
+		    <version>1.0.1</version>
+		</dependency>
+		<dependency>
+		    <groupId>org.apache.ant</groupId>
+		    <artifactId>ant</artifactId>
+		    <version>1.7.0</version>
+		</dependency>
+		<dependency>
+			<groupId>com.adobe.blazeds</groupId>
+			<artifactId>blazeds-core</artifactId>
+			<version>3.0</version>
+		</dependency>
+		<dependency>
+			<groupId>com.adobe.blazeds</groupId>
+			<artifactId>blazeds-common</artifactId>
+			<version>3.0</version>
+		</dependency>
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
Index: plugins/rest/src/main/java/org/apache/struts2/rest/handler/AmfHandler.java
===================================================================
--- plugins/rest/src/main/java/org/apache/struts2/rest/handler/AmfHandler.java	(revision 0)
+++ plugins/rest/src/main/java/org/apache/struts2/rest/handler/AmfHandler.java	(revision 0)
@@ -0,0 +1,95 @@
+/*
+ * $Id$
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.struts2.rest.handler;
+
+import flex.messaging.io.SerializationContext;
+import flex.messaging.io.amf.Amf3Input;
+import flex.messaging.io.amf.Amf3Output;
+
+import org.apache.struts2.rest.handler.ContentTypeHandler;
+import org.apache.pluto.util.WriterOutputStream;
+import org.apache.tools.ant.util.ReaderInputStream;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+
+
+/**
+ * Handles Amf content using flex api
+ */
+public class AmfHandler implements ContentTypeHandler {
+
+	public void toObject(Reader in, Object target) throws IOException {
+        SerializationContext context = getSerializationContext();
+        ReaderInputStream input = new ReaderInputStream(in);
+        Amf3Input amf3Input = new Amf3Input(context);
+        amf3Input.setInputStream(input);
+
+        try {
+            target = amf3Input.readObject();
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public String fromObject(Object obj, String resultCode, Writer stream)
+        throws IOException {
+        if (obj != null) {
+            Amf3Output amf3Output = new Amf3Output(getSerializationContext());
+            WriterOutputStream out = new WriterOutputStream(stream,"UTF-8");
+            amf3Output.setOutputStream(out);
+            amf3Output.writeObject(obj);
+            amf3Output.flush();
+            amf3Output.close();
+        }
+
+        return null;
+    }
+
+    public String getContentType() {
+        return "application/x-amf";
+    }
+
+    public String getExtension() {
+        return "amf";
+    }
+
+    SerializationContext getSerializationContext() {
+        SerializationContext serializationContext = SerializationContext.getSerializationContext();
+        serializationContext.enableSmallMessages = true;
+        serializationContext.instantiateTypes = true;
+        serializationContext.supportRemoteClass = true;
+        serializationContext.legacyCollection = true;
+        serializationContext.legacyMap = true;
+        serializationContext.legacyXMLDocument = true;
+        serializationContext.legacyXMLNamespaces = true;
+        serializationContext.legacyThrowable = false;
+        serializationContext.legacyBigNumbers = true;
+        serializationContext.restoreReferences = false;
+        serializationContext.logPropertyErrors = false;
+        serializationContext.ignorePropertyErrors = true;
+
+        return serializationContext;
+    }
+    
+}
Index: plugins/rest/src/main/java/org/apache/struts2/rest/handler/AmfxHandler.java
===================================================================
--- plugins/rest/src/main/java/org/apache/struts2/rest/handler/AmfxHandler.java	(revision
0)
+++ plugins/rest/src/main/java/org/apache/struts2/rest/handler/AmfxHandler.java	(revision
0)
@@ -0,0 +1,97 @@
+/*
+ * $Id$
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.struts2.rest.handler;
+
+import flex.messaging.io.SerializationContext;
+import flex.messaging.io.amf.AmfTrace;
+import flex.messaging.io.amfx.AmfxMessageDeserializer;
+import flex.messaging.io.amfx.AmfxOutput;
+
+import org.apache.struts2.rest.handler.ContentTypeHandler;
+import org.apache.pluto.util.WriterOutputStream;
+import org.apache.tools.ant.util.ReaderInputStream;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+
+
+/**
+ * Handles Amfx content using flex api
+ */
+public class AmfxHandler implements ContentTypeHandler {
+
+	public void toObject(Reader in, Object target) throws IOException {
+        SerializationContext context = getSerializationContext();
+        ReaderInputStream input = new ReaderInputStream(in);
+        AmfxMessageDeserializer s = new AmfxMessageDeserializer();
+        AmfTrace trace = new AmfTrace();
+        s.initialize(context, input, trace);
+
+        try {
+            target = s.readObject();
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public String fromObject(Object obj, String resultCode, Writer stream)
+        throws IOException {
+        if (obj != null) {
+            AmfxOutput amfxOutput = new AmfxOutput(getSerializationContext());
+            WriterOutputStream out = new WriterOutputStream(stream,"UTF-8");
+            amfxOutput.setOutputStream(out);
+            amfxOutput.writeObject(obj);
+            amfxOutput.flush();
+            amfxOutput.close();
+        }
+
+        return null;
+    }
+
+    public String getContentType() {
+        return "application/xml";
+    }
+
+    public String getExtension() {
+        return "amfx";
+    }
+
+    SerializationContext getSerializationContext() {
+        SerializationContext serializationContext = SerializationContext.getSerializationContext();
+        serializationContext.enableSmallMessages = true;
+        serializationContext.instantiateTypes = true;
+        serializationContext.supportRemoteClass = true;
+        serializationContext.legacyCollection = true;
+        serializationContext.legacyMap = true;
+        serializationContext.legacyXMLDocument = true;
+        serializationContext.legacyXMLNamespaces = true;
+        serializationContext.legacyThrowable = false;
+        serializationContext.legacyBigNumbers = true;
+        serializationContext.restoreReferences = false;
+        serializationContext.logPropertyErrors = false;
+        serializationContext.ignorePropertyErrors = true;
+
+        return serializationContext;
+    }
+    
+}
\ No newline at end of file
Index: plugins/rest/src/main/resources/struts-plugin.xml
===================================================================
--- plugins/rest/src/main/resources/struts-plugin.xml	(revision 832711)
+++ plugins/rest/src/main/resources/struts-plugin.xml	(working copy)
@@ -37,12 +37,14 @@
     <bean type="org.apache.struts2.rest.handler.ContentTypeHandler" name="html" class="org.apache.struts2.rest.handler.HtmlHandler"
/>
     <bean type="org.apache.struts2.rest.handler.ContentTypeHandler" name="x-www-form-urlencoded"
class="org.apache.struts2.rest.handler.FormUrlEncodedHandler" />
     <bean type="org.apache.struts2.rest.handler.ContentTypeHandler" name="multipart/form-data"
class="org.apache.struts2.rest.handler.MultipartFormDataHandler" />
+	<bean type="org.apache.struts2.rest.handler.ContentTypeHandler" name="amf" class="org.apache.struts2.rest.handler.AmfHandler"
/>
+	<bean type="org.apache.struts2.rest.handler.ContentTypeHandler" name="amfx" class="org.apache.struts2.rest.handler.AmfxHandler"
/>
 
     <constant name="struts.actionProxyFactory" value="rest" />
     <constant name="struts.rest.defaultExtension" value="xhtml" />
     <constant name="struts.mapper.class" value="rest" />
     <constant name="struts.mapper.idParameterName" value="id" />
-    <constant name="struts.action.extension" value="xhtml,,xml,json" />
+    <constant name="struts.action.extension" value="xhtml,,xml,json,amf,amfx" />
 
     <package name="rest-default" extends="struts-default">
         <result-types>


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