Start porting Implementation Widget to 2.x

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835226 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 316 insertions, 0 deletions

diff --git a/java/sca/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoModuleActivator.java b/java/sca/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoModuleActivator.java
new file mode 100644
index 0000000000..987ef466fc
--- /dev/null
+++ b/java/sca/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoModuleActivator.java
@@ -0,0 +1,84 @@
+/*
+ * 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.tuscany.sca.web.javascript.dojo;
+
+import java.net.URI;
+
+import javax.servlet.Servlet;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ModuleActivator;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint;
+
+public class DojoModuleActivator implements ModuleActivator {
+    private static final String dojoBaseUri = URI.create("/dojo").toString();
+    private static final String dojoUri = URI.create("/dojo/*").toString();
+
+    private static final String tuscanyBaseUri = URI.create("/tuscany").toString();
+    private static final String tuscanyUri = URI.create("/tuscany/*").toString();
+
+    private ServletHost servletHost;
+
+    public void start(ExtensionPointRegistry registry) {
+        ServletHostExtensionPoint servletHosts = registry.getExtensionPoint(ServletHostExtensionPoint.class);
+        this.servletHost = servletHosts.getServletHosts().get(0);
+        
+        if (servletHost == null) {
+            throw new IllegalStateException("Can't find ServletHost reference !");
+        }
+
+        Servlet servlet = null;
+        
+        servlet = servletHost.getServletMapping(dojoBaseUri);
+        if(servlet == null) {
+            DojoResourceServlet baseResourceServlet = new DojoResourceServlet(); 
+            servletHost.addServletMapping(dojoBaseUri, baseResourceServlet);
+
+            DojoResourceServlet resourceServlet = new DojoResourceServlet(); 
+            servletHost.addServletMapping(dojoUri, resourceServlet);
+        }
+
+        servlet = servletHost.getServletMapping(tuscanyBaseUri);
+        if(servlet == null) {
+            DojoResourceServlet baseResourceServlet = new DojoResourceServlet(); 
+            servletHost.addServletMapping(tuscanyBaseUri, baseResourceServlet);
+
+            DojoResourceServlet resourceServlet = new DojoResourceServlet(); 
+            servletHost.addServletMapping(tuscanyUri, resourceServlet);
+        }
+        
+    }
+
+    public void stop(ExtensionPointRegistry registry) {
+        Servlet servlet = servletHost.getServletMapping(dojoBaseUri);
+        if(servlet != null) {
+            servletHost.removeServletMapping(dojoBaseUri);
+            servletHost.removeServletMapping(dojoUri);
+
+            servletHost.removeServletMapping(tuscanyBaseUri);
+            servletHost.removeServletMapping(tuscanyUri);
+        }
+        
+        servletHost = null;
+
+    }
+
+}
diff --git a/java/sca/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoResourceServlet.java b/java/sca/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoResourceServlet.java
new file mode 100644
index 0000000000..86d04a05b5
--- /dev/null
+++ b/java/sca/modules/web-javascript-dojo/src/main/java/org/apache/tuscany/sca/web/javascript/dojo/DojoResourceServlet.java
@@ -0,0 +1,73 @@
+/*
+ * 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.tuscany.sca.web.javascript.dojo;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URLDecoder;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+
+/**
+ * A Resource servlet used to serve dojo files
+ *
+ * @version $Rev$ $Date$
+ */
+public class DojoResourceServlet extends HttpServlet {
+    private static final long serialVersionUID = -4743631858548812340L;
+
+    public DojoResourceServlet() {
+
+    }
+
+
+    @Override
+    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
+        String path = URLDecoder.decode(request.getRequestURI(), "UTF-8");
+        
+        if( path.startsWith("/dojo")) {
+        	//this is a workaround where we need to have dojo files in its own folder
+        	//to avoid clean target to clean other non dojo resources
+        	path = "dojo" + path;
+        } else if( path.startsWith("/")) {
+            path = path.substring(1);
+        }
+        
+        // Write the response from the service implementation to the response
+        // output stream
+        InputStream is = this.getClass().getClassLoader().getResourceAsStream(path);
+        if(is != null) {
+            OutputStream os = response.getOutputStream(); 
+            byte[] buffer = new byte[2048];
+            for (;;) {
+                int n = is.read(buffer);
+                if (n <= 0)
+                    break;
+                os.write(buffer, 0, n);
+            }
+            os.flush();
+            os.close();            
+        }
+    }
+}
diff --git a/java/sca/modules/web-javascript-dojo/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator b/java/sca/modules/web-javascript-dojo/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator
new file mode 100644
index 0000000000..34edcb5199
--- /dev/null
+++ b/java/sca/modules/web-javascript-dojo/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator
@@ -0,0 +1,18 @@
+# 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.
+# Implementation class for the ModuleActivator
+org.apache.tuscany.sca.web.javascript.dojo.DojoModuleActivator;priority=9999
diff --git a/java/sca/modules/web-javascript-dojo/src/main/resources/tuscany/AtomService.js b/java/sca/modules/web-javascript-dojo/src/main/resources/tuscany/AtomService.js
new file mode 100644
index 0000000000..7b8943ba3b
--- /dev/null
+++ b/java/sca/modules/web-javascript-dojo/src/main/resources/tuscany/AtomService.js
@@ -0,0 +1,141 @@
+/*
+ * 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.    
+ */
+dojo.provide("tuscany.AtomService");
+dojo.declare("tuscany.AtomService", null, {
+   url:null,
+   contentType: "application/atom+xml" /*application/atom+json*/, 
+   contentHandler: "xml" /*json*/,
+   
+   constructor: function(args){
+		//summary:
+		//url : Take a string as a url that points to the atom feed
+		//contentType : Take the contentType to use when retrieving the atom feed				
+
+		if(args){
+		    var argUrl;
+		    var argContentType;
+		    
+		    if( dojo.isArray(args) ) {
+		       argUrl = args[0];
+		       argContentType = args[1];
+		    } else {
+		       argUrl = args;
+		    }
+		    
+			//if the arg is a string, we assume it is a url to the atom feed
+			if( (dojo.isString(argUrl)) || (argUrl instanceof dojo._Url)){
+				if (argUrl instanceof dojo._Url){
+					this.url = argUrl + "";
+				}else{
+					this.url = argUrl;
+				}
+			}
+			
+			if(argContentType) {
+			   if(dojo.isString(argContentType)) {
+			      if (argContentType == "application/atom+xml") {
+			        this.contentType = argContentType;
+			      	this.contentHandler = "xml";
+			      } else if (argContentType == "application/atom+json") {
+			        this.contentType = argContentType;
+			        this.contentHandler = "json";
+			      }
+			   }
+			}
+		}
+	},
+	
+	get: function(id /*string*/) {
+		//The parameters to pass to xhrGet, the url, how to handle it, and the callbacks.
+		var xhrArgs = {
+      		url: this.url + "/" + id,
+      		handleAs: this.contentHandler,
+      		headers: {"Accept": this.contentType}
+    	};
+	
+		//Call the asynchronous xhrGet
+        var deferred = dojo.xhrGet(xhrArgs);
+        
+        deferred.addErrback(function(error){
+      		alert("An unexpected error occurred: " + error);
+    	});
+        
+        return deferred;        	
+	},
+	
+	
+	post: function( entry /*entry object*/) {
+		//The parameters to pass to xhrGet, the url, how to handle it, and the callbacks.
+		var xhrArgs = {
+      		url: this.url,
+      		handleAs: this.contentHandler,
+      		headers: {"Accept": this.contentType,
+      		          "Content-Type": this.contentType},
+      		postData: entry
+    	};
+	
+		//Call the asynchronous xhrGet
+        var deferred = dojo.xhrPost(xhrArgs);
+        
+        deferred.addErrback(function(error){
+      		alert("An unexpected error occurred: " + error);
+    	});
+        
+        return deferred;        			
+	},
+
+	put: function(id /*string*/, entry /*entry object*/) {
+		//The parameters to pass to xhrGet, the url, how to handle it, and the callbacks.
+		var xhrArgs = {
+      		url: this.url + "/" + id,
+      		handleAs: this.contentHandler,
+      		headers: {"Accept": this.contentType,
+      		          "Content-Type": this.contentType},
+      		postData: entry
+    	};
+	
+		//Call the asynchronous xhrGet
+        var deferred = dojo.xhrPut(xhrArgs);
+        
+        deferred.addErrback(function(error){
+      		alert("An unexpected error occurred: " + error);
+    	});
+        
+        return deferred;        		
+	},
+	
+	del: function(id /*string*/) {
+		//The parameters to pass to xhrGet, the url, how to handle it, and the callbacks.
+		var xhrArgs = {
+      		url: this.url + "/" + id,
+      		handleAs: this.contentHandler,
+      		headers: {"Accept": this.contentType}
+    	};
+	
+		//Call the asynchronous xhrGet
+        var deferred = dojo.xhrDelete(xhrArgs);
+        
+        deferred.addErrback(function(error){
+      		alert("An unexpected error occurred: " + error);
+    	});
+        
+        
+        return deferred;        		
+	}	
+});