diff options
author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2008-09-15 00:26:00 +0000 |
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committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2008-09-15 00:26:00 +0000 |
commit | d5f1d093fe6fa491cdec392dca7137639e98d149 (patch) | |
tree | b98c79d8231a2617ee1dce43b1782d30d93686bc /branches/sca-android/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java | |
parent | f4e3e383071b6947d56794d9af5e9e6438aa3235 (diff) |
Pulled a recent revision of trunk into the sca-android branch, to apply the android patches from JIRA TUSCANY-2440 to it.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@695318 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-android/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java')
-rw-r--r-- | branches/sca-android/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java | 432 |
1 files changed, 432 insertions, 0 deletions
diff --git a/branches/sca-android/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java b/branches/sca-android/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java new file mode 100644 index 0000000000..582742bd3f --- /dev/null +++ b/branches/sca-android/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java @@ -0,0 +1,432 @@ +/*
+ * 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.binding.http.provider;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URLDecoder;
+import java.text.ParseException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.binding.http.CacheContext;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+
+/**
+ * Servlet responsible for dispatching HTTP requests to the
+ * target component implementation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPBindingListenerServlet extends HttpServlet {
+ private static final long serialVersionUID = 2865466417329430610L;
+
+ private MessageFactory messageFactory;
+ private Invoker getInvoker;
+ private Invoker conditionalGetInvoker;
+ private Invoker putInvoker;
+ private Invoker conditionalPutInvoker;
+ private Invoker postInvoker;
+ private Invoker conditionalPostInvoker;
+ private Invoker deleteInvoker;
+ private Invoker conditionalDeleteInvoker;
+
+ /**
+ * Constructs a new HTTPServiceListenerServlet.
+ */
+ public HTTPBindingListenerServlet(MessageFactory messageFactory) {
+ this.messageFactory = messageFactory;
+ }
+
+
+ @Override
+ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ // Get the request path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.length() ==0) {
+ // Redirect to a URL ending with / to make relative hrefs work
+ // relative to the served resource.
+ response.sendRedirect(request.getRequestURL().append('/').toString());
+ return;
+ }
+
+ // Invoke the get operation on the service implementation
+ Message requestMessage = messageFactory.createMessage();
+ String id = path.substring(1);
+
+ Message responseMessage = null;
+ CacheContext cacheContext = null;
+ try {
+ cacheContext = CacheContext.getCacheContextFromRequest(request);
+ } catch (ParseException e) {
+ }
+
+ // Route message based on availability of cache info and cache methods
+ if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalGetInvoker != null )) {
+ requestMessage.setBody(new Object[] {id, cacheContext});
+ responseMessage = conditionalGetInvoker.invoke(requestMessage);
+ } else {
+ requestMessage.setBody(new Object[] {id});
+ responseMessage = getInvoker.invoke(requestMessage);
+ }
+ if (responseMessage.isFault()) {
+ Object body = responseMessage.getBody();
+
+ int index = -1;
+ if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+ return;
+ } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+ return;
+ }
+
+ throw new ServletException((Throwable)responseMessage.getBody());
+ }
+
+ // Write the response from the service implementation to the response
+ // output stream
+ InputStream is = (InputStream)responseMessage.getBody();
+ 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();
+ }
+
+ @Override
+ protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ // Get the request path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.length() ==0) {
+ // Redirect to a URL ending with / to make relative hrefs work
+ // relative to the served resource.
+ response.sendRedirect(request.getRequestURL().append('/').toString());
+ return;
+ }
+
+ // Invoke the get operation on the service implementation
+ Message requestMessage = messageFactory.createMessage();
+ String id = path.substring(1);
+
+ Message responseMessage = null;
+ CacheContext cacheContext = null;
+ try {
+ cacheContext = CacheContext.getCacheContextFromRequest(request);
+ } catch (ParseException e) {
+ }
+
+ // Route message based on availability of cache info and cache methods
+ if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalDeleteInvoker != null )) {
+ requestMessage.setBody(new Object[] {id, cacheContext});
+ responseMessage = conditionalDeleteInvoker.invoke(requestMessage);
+ } else {
+ requestMessage.setBody(new Object[] {id});
+ responseMessage = deleteInvoker.invoke(requestMessage);
+ }
+ if (responseMessage.isFault()) {
+ Object body = responseMessage.getBody();
+
+ int index = -1;
+ if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+ return;
+ } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+ return;
+ }
+
+ throw new ServletException((Throwable)responseMessage.getBody());
+ }
+
+ // Write the response from the service implementation to the response
+ // output stream
+ InputStream is = (InputStream)responseMessage.getBody();
+ 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();
+ }
+
+ @Override
+ protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ // Get the request path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.length() ==0) {
+ // Redirect to a URL ending with / to make relative hrefs work
+ // relative to the served resource.
+ response.sendRedirect(request.getRequestURL().append('/').toString());
+ return;
+ }
+
+ // Invoke the get operation on the service implementation
+ Message requestMessage = messageFactory.createMessage();
+ String id = path.substring(1);
+
+ Message responseMessage = null;
+ CacheContext cacheContext = null;
+ try {
+ cacheContext = CacheContext.getCacheContextFromRequest(request);
+ } catch (ParseException e) {
+ }
+
+ // Route message based on availability of cache info and cache methods
+ if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalPutInvoker != null )) {
+ requestMessage.setBody(new Object[] {id, cacheContext});
+ responseMessage = conditionalPutInvoker.invoke(requestMessage);
+ } else {
+ requestMessage.setBody(new Object[] {id});
+ responseMessage = putInvoker.invoke(requestMessage);
+ }
+ if (responseMessage.isFault()) {
+ Object body = responseMessage.getBody();
+
+ int index = -1;
+ if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+ return;
+ } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+ return;
+ }
+
+ throw new ServletException((Throwable)responseMessage.getBody());
+ }
+
+ // Write the response from the service implementation to the response
+ // output stream
+ InputStream is = (InputStream)responseMessage.getBody();
+ 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();
+ }
+
+ @Override
+ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+ // Get the request path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.length() ==0) {
+ // Redirect to a URL ending with / to make relative hrefs work
+ // relative to the served resource.
+ response.sendRedirect(request.getRequestURL().append('/').toString());
+ return;
+ }
+
+ // Invoke the get operation on the service implementation
+ Message requestMessage = messageFactory.createMessage();
+ // String id = path.substring(1);
+
+ Message responseMessage = null;
+ CacheContext cacheContext = null;
+ try {
+ cacheContext = CacheContext.getCacheContextFromRequest(request);
+ } catch (ParseException e) {
+ }
+
+ // Route message based on availability of cache info and cache methods
+ if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalPostInvoker != null )) {
+ requestMessage.setBody(new Object[] {cacheContext});
+ responseMessage = conditionalPostInvoker.invoke(requestMessage);
+ } else {
+ requestMessage.setBody(new Object[] {});
+ responseMessage = postInvoker.invoke(requestMessage);
+ }
+ if (responseMessage.isFault()) {
+ Object body = responseMessage.getBody();
+
+ int index = -1;
+ if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+ return;
+ } else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+ if ( index > -1 )
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+ else
+ response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+ return;
+ }
+
+ throw new ServletException((Throwable)responseMessage.getBody());
+ }
+
+ // Put ETag and LastModified in response.
+ CacheContext cc = (CacheContext)responseMessage.getBody();
+ response.setHeader( "ETag", cc.getETag() );
+ response.setHeader( "LastModified", cc.getLastModified() );
+ }
+
+ /**
+ * @return the getInvoker
+ */
+ public Invoker getGetInvoker() {
+ return getInvoker;
+ }
+
+ /**
+ * @param getInvoker the getInvoker to set
+ */
+ public void setGetInvoker(Invoker getInvoker) {
+ this.getInvoker = getInvoker;
+ }
+
+ /**
+ * @return the conditionalGetInvoker
+ */
+ public Invoker getConditionalGetInvoker() {
+ return conditionalGetInvoker;
+ }
+
+ /**
+ * @param conditionalGetInvoker the conditionalGetInvoker to set
+ */
+ public void setConditionalGetInvoker(Invoker conditionalGetInvoker) {
+ this.conditionalGetInvoker = conditionalGetInvoker;
+ }
+
+ /**
+ * @return the putInvoker
+ */
+ public Invoker getPutInvoker() {
+ return putInvoker;
+ }
+
+ /**
+ * @param putInvoker the putInvoker to set
+ */
+ public void setPutInvoker(Invoker putInvoker) {
+ this.putInvoker = putInvoker;
+ }
+
+ /**
+ * @return the conditionalPutInvoker
+ */
+ public Invoker getConditionalPutInvoker() {
+ return conditionalPutInvoker;
+ }
+
+ /**
+ * @param conditionalPutInvoker the conditionalPutInvoker to set
+ */
+ public void setConditionalPutInvoker(Invoker conditionalPutInvoker) {
+ this.conditionalPutInvoker = conditionalPutInvoker;
+ }
+
+ /**
+ * @return the postInvoker
+ */
+ public Invoker getPostInvoker() {
+ return postInvoker;
+ }
+
+ /**
+ * @param postInvoker the postInvoker to set
+ */
+ public void setPostInvoker(Invoker postInvoker) {
+ this.postInvoker = postInvoker;
+ }
+
+ /**
+ * @return the conditionalPostInvoker
+ */
+ public Invoker getConditionalPostInvoker() {
+ return conditionalPostInvoker;
+ }
+
+ /**
+ * @param conditionalPostInvoker the conditionalPostInvoker to set
+ */
+ public void setConditionalPostInvoker(Invoker conditionalPostInvoker) {
+ this.conditionalPostInvoker = conditionalPostInvoker;
+ }
+
+ /**
+ * @return the deleteInvoker
+ */
+ public Invoker getDeleteInvoker() {
+ return deleteInvoker;
+ }
+
+ /**
+ * @param deleteInvoker the deleteInvoker to set
+ */
+ public void setDeleteInvoker(Invoker deleteInvoker) {
+ this.deleteInvoker = deleteInvoker;
+ }
+
+ /**
+ * @return the conditionalDeleteInvoker
+ */
+ public Invoker getConditionalDeleteInvoker() {
+ return conditionalDeleteInvoker;
+ }
+
+ /**
+ * @param conditionalDeleteInvoker the conditionalDeleteInvoker to set
+ */
+ public void setConditionalDeleteInvoker(Invoker conditionalDeleteInvoker) {
+ this.conditionalDeleteInvoker = conditionalDeleteInvoker;
+ }
+
+}
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