From: Roger Meier <roger@apache.org>
Date: Tue, 2 Nov 2010 12:36:52 +0000 (+0000)
Subject: THRIFT-893 JavaScript Tutorial: dynamic part
X-Git-Tag: 0.6.0~43
X-Git-Url: https://source.supwisdom.com/gerrit/gitweb?a=commitdiff_plain;h=e5e50dec48d0d1fafd146009f268c3cf2bd5774b;p=common%2Fthrift.git

THRIFT-893 JavaScript Tutorial: dynamic part


git-svn-id: https://svn.apache.org/repos/asf/thrift/trunk@1030018 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/tutorial/js/build.xml b/tutorial/js/build.xml
new file mode 100644
index 00000000..f85651a0
--- /dev/null
+++ b/tutorial/js/build.xml
@@ -0,0 +1,77 @@
+<!--
+ 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.
+-->
+<project name="tutorial" default="test" basedir=".">
+
+  <description>Thrift JavaScript Tutorial</description>
+
+  <property name="src" location="src" />
+  <property name="javasrc" location="../java/src" />
+  <property name="gen" location="../gen-java" />
+  <property name="build" location="build" />
+
+  <!-- the root directory, where you unpack thrift distibution (e.g. thrift-0.x.x.tar.gz) -->
+  <property name="thrift.dir" location="../../" />
+  <property name="thrift.java.dir" location="${thrift.dir}/lib/java" />
+
+  <path id="libs.classpath">
+    <pathelement path="${thrift.java.dir}/libthrift.jar" />
+    <fileset dir="${thrift.java.dir}/build/ivy/lib">
+      <include name="*.jar" />
+    </fileset>
+  </path>
+  <path id="build.classpath">
+    <path refid="libs.classpath" />
+    <pathelement path="${gen}" />
+    <pathelement path="${build}" />
+  </path>
+
+  <target name="init">
+    <tstamp />
+    <mkdir dir="${build}"/>
+  </target>
+
+  <target name="compile" depends="init">
+    <javac srcdir="${gen}" destdir="${build}" classpathref="libs.classpath" />
+    <javac srcdir="${javasrc}" destdir="${build}" classpathref="build.classpath">
+      <exclude name="JavaClient.java"/>
+      <exclude name="JavaServer.java"/>
+      <include name="CalculatorHandler.java"/>
+    </javac>
+    <javac srcdir="${src}" destdir="${build}" classpathref="build.classpath">
+      <compilerarg value="-Xlint:all"/>
+    </javac>
+  </target>
+
+  <target name="tutorial" depends="compile">
+    <jar jarfile="tutorial-js.jar" basedir="${build}"/>
+  </target>
+
+  <target name="test" description="run the test server" depends="tutorial">
+    <java classname="Httpd" fork="true"
+      classpathref="build.classpath" failonerror="true">
+      <arg value="../../" />
+    </java>
+  </target>
+
+  <target name="clean">
+    <delete dir="${build}" />
+    <delete file="tutorial-js.jar" />
+  </target>
+
+</project>
diff --git a/tutorial/js/src/Httpd.java b/tutorial/js/src/Httpd.java
new file mode 100644
index 00000000..4985471a
--- /dev/null
+++ b/tutorial/js/src/Httpd.java
@@ -0,0 +1,299 @@
+/*
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InterruptedIOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.URLDecoder;
+import java.util.Locale;
+
+import org.apache.http.ConnectionClosedException;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpEntityEnclosingRequest;
+import org.apache.http.HttpException;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpServerConnection;
+import org.apache.http.HttpStatus;
+import org.apache.http.MethodNotSupportedException;
+import org.apache.http.entity.ContentProducer;
+import org.apache.http.entity.EntityTemplate;
+import org.apache.http.entity.FileEntity;
+import org.apache.http.impl.DefaultHttpResponseFactory;
+import org.apache.http.impl.DefaultHttpServerConnection;
+import org.apache.http.impl.NoConnectionReuseStrategy;
+import org.apache.http.params.BasicHttpParams;
+import org.apache.http.params.CoreConnectionPNames;
+import org.apache.http.params.CoreProtocolPNames;
+import org.apache.http.params.HttpParams;
+import org.apache.http.protocol.BasicHttpContext;
+import org.apache.http.protocol.BasicHttpProcessor;
+import org.apache.http.protocol.HttpContext;
+import org.apache.http.protocol.HttpProcessor;
+import org.apache.http.protocol.HttpRequestHandler;
+import org.apache.http.protocol.HttpRequestHandlerRegistry;
+import org.apache.http.protocol.HttpService;
+import org.apache.http.util.EntityUtils;
+import org.apache.thrift.TProcessor;
+import org.apache.thrift.protocol.TJSONProtocol;
+import org.apache.thrift.protocol.TProtocol;
+import org.apache.thrift.transport.TMemoryBuffer;
+
+// Generated code
+import tutorial.*;
+import shared.*;
+
+import java.util.HashMap;
+
+/**
+ * Basic, yet fully functional and spec compliant, HTTP/1.1 file server.
+ * <p>
+ * Please note the purpose of this application is demonstrate the usage of
+ * HttpCore APIs. It is NOT intended to demonstrate the most efficient way of
+ * building an HTTP file server.
+ * 
+ * 
+ */
+public class Httpd {
+
+    public static void main(String[] args) throws Exception {
+        if (args.length < 1) {
+            System.err.println("Please specify document root directory");
+            System.exit(1);
+        }
+        Thread t = new RequestListenerThread(8088, args[0]);
+        t.setDaemon(false);
+        t.start();
+    }
+
+    static class HttpFileHandler implements HttpRequestHandler {
+
+        private final String docRoot;
+
+        public HttpFileHandler(final String docRoot) {
+            super();
+            this.docRoot = docRoot;
+        }
+
+        public void handle(final HttpRequest request, final HttpResponse response, final HttpContext context) throws HttpException, IOException {
+
+            String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
+            if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST")) {
+                throw new MethodNotSupportedException(method + " method not supported");
+            }
+            String target = request.getRequestLine().getUri();
+
+            if (request instanceof HttpEntityEnclosingRequest && target.equals("/thrift/service/tutorial/")) {
+                HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
+                byte[] entityContent = EntityUtils.toByteArray(entity);
+                System.out.println("Incoming content: " + new String(entityContent));
+                
+                final String output = this.thriftRequest(entityContent);
+                
+                System.out.println("Outgoing content: "+output);
+                
+                EntityTemplate body = new EntityTemplate(new ContentProducer() {
+
+                    public void writeTo(final OutputStream outstream) throws IOException {
+                        OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
+                        writer.write(output);
+                        writer.flush();
+                    }
+
+                });
+                body.setContentType("text/html; charset=UTF-8");
+                response.setEntity(body);
+            } else {
+                final File file = new File(this.docRoot, URLDecoder.decode(target, "UTF-8"));
+                if (!file.exists()) {
+
+                    response.setStatusCode(HttpStatus.SC_NOT_FOUND);
+                    EntityTemplate body = new EntityTemplate(new ContentProducer() {
+
+                        public void writeTo(final OutputStream outstream) throws IOException {
+                            OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
+                            writer.write("<html><body><h1>");
+                            writer.write("File ");
+                            writer.write(file.getPath());
+                            writer.write(" not found");
+                            writer.write("</h1></body></html>");
+                            writer.flush();
+                        }
+
+                    });
+                    body.setContentType("text/html; charset=UTF-8");
+                    response.setEntity(body);
+                    System.out.println("File " + file.getPath() + " not found");
+
+                } else if (!file.canRead() || file.isDirectory()) {
+
+                    response.setStatusCode(HttpStatus.SC_FORBIDDEN);
+                    EntityTemplate body = new EntityTemplate(new ContentProducer() {
+
+                        public void writeTo(final OutputStream outstream) throws IOException {
+                            OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
+                            writer.write("<html><body><h1>");
+                            writer.write("Access denied");
+                            writer.write("</h1></body></html>");
+                            writer.flush();
+                        }
+
+                    });
+                    body.setContentType("text/html; charset=UTF-8");
+                    response.setEntity(body);
+                    System.out.println("Cannot read file " + file.getPath());
+
+                } else {
+
+                    response.setStatusCode(HttpStatus.SC_OK);
+                    FileEntity body = new FileEntity(file, "text/html");
+                    response.setEntity(body);
+                    System.out.println("Serving file " + file.getPath());
+
+                }
+            }
+        }
+        
+        private String thriftRequest(byte[] input){
+            try{
+            
+                //Input
+                TMemoryBuffer inbuffer = new TMemoryBuffer(input.length);           
+                inbuffer.write(input);              
+                TProtocol  inprotocol   = new TJSONProtocol(inbuffer);                   
+                
+                //Output
+                TMemoryBuffer outbuffer = new TMemoryBuffer(100);           
+                TProtocol outprotocol   = new TJSONProtocol(outbuffer);
+                
+                TProcessor processor = new Calculator.Processor(new CalculatorHandler());      
+                processor.process(inprotocol, outprotocol);
+                
+                byte[] output = new byte[outbuffer.length()];
+                outbuffer.readAll(output, 0, output.length);
+            
+                return new String(output,"UTF-8");
+            }catch(Throwable t){
+                return "Error:"+t.getMessage();
+            }
+             
+                     
+        }
+        
+    }
+
+    static class RequestListenerThread extends Thread {
+
+        private final ServerSocket serversocket;
+        private final HttpParams params;
+        private final HttpService httpService;
+
+        public RequestListenerThread(int port, final String docroot) throws IOException {
+            this.serversocket = new ServerSocket(port);
+            this.params = new BasicHttpParams();
+            this.params.setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 1000).setIntParameter(CoreConnectionPNames.SOCKET_BUFFER_SIZE, 8 * 1024)
+                    .setBooleanParameter(CoreConnectionPNames.STALE_CONNECTION_CHECK, false).setBooleanParameter(CoreConnectionPNames.TCP_NODELAY, true)
+                    .setParameter(CoreProtocolPNames.ORIGIN_SERVER, "HttpComponents/1.1");
+
+            // Set up the HTTP protocol processor
+            HttpProcessor httpproc = new BasicHttpProcessor();
+
+            // Set up request handlers
+            HttpRequestHandlerRegistry reqistry = new HttpRequestHandlerRegistry();
+            reqistry.register("*", new HttpFileHandler(docroot));
+
+            // Set up the HTTP service
+            this.httpService = new HttpService(httpproc, new NoConnectionReuseStrategy(), new DefaultHttpResponseFactory());
+            this.httpService.setParams(this.params);
+            this.httpService.setHandlerResolver(reqistry);
+        }
+
+        public void run() {
+            System.out.println("Listening on port " + this.serversocket.getLocalPort());
+            System.out.println("Point your browser to http://localhost:8088/tutorial/js/tutorial.html");
+            
+            while (!Thread.interrupted()) {
+                try {
+                    // Set up HTTP connection
+                    Socket socket = this.serversocket.accept();
+                    DefaultHttpServerConnection conn = new DefaultHttpServerConnection();
+                    System.out.println("Incoming connection from " + socket.getInetAddress());
+                    conn.bind(socket, this.params);
+
+                    // Start worker thread
+                    Thread t = new WorkerThread(this.httpService, conn);
+                    t.setDaemon(true);
+                    t.start();
+                } catch (InterruptedIOException ex) {
+                    break;
+                } catch (IOException e) {
+                    System.err.println("I/O error initialising connection thread: " + e.getMessage());
+                    break;
+                }
+            }
+        }
+    }
+
+    static class WorkerThread extends Thread {
+
+        private final HttpService httpservice;
+        private final HttpServerConnection conn;
+
+        public WorkerThread(final HttpService httpservice, final HttpServerConnection conn) {
+            super();
+            this.httpservice = httpservice;
+            this.conn = conn;
+        }
+
+        public void run() {
+            System.out.println("New connection thread");
+            HttpContext context = new BasicHttpContext(null);
+            try {
+                while (!Thread.interrupted() && this.conn.isOpen()) {
+                    this.httpservice.handleRequest(this.conn, context);
+                }
+            } catch (ConnectionClosedException ex) {
+                System.err.println("Client closed connection");
+            } catch (IOException ex) {
+                System.err.println("I/O error: " + ex.getMessage());
+            } catch (HttpException ex) {
+                System.err.println("Unrecoverable HTTP protocol violation: " + ex.getMessage());
+            } finally {
+                try {
+                    this.conn.shutdown();
+                } catch (IOException ignore) {
+                }
+            }
+        }
+
+    }
+
+}
diff --git a/tutorial/js/tutorial.html b/tutorial/js/tutorial.html
index 8db32da3..8d2c168c 100644
--- a/tutorial/js/tutorial.html
+++ b/tutorial/js/tutorial.html
@@ -22,11 +22,11 @@
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   <title>Thrift Javascript Bindings - Tutorial Example</title>
 
-  <script src="thrift.js"                   type="text/javascript"></script>
-  <script src="gen-js/tutorial_types.js"    type="text/javascript"></script>
-  <script src="gen-js/shared_types.js"      type="text/javascript"></script>
-  <script src="gen-js/SharedService.js"     type="text/javascript"></script>
-  <script src="gen-js/Calculator.js"        type="text/javascript"></script>
+  <script src="../../lib/js/thrift.js"                   type="text/javascript"></script>
+  <script src="../gen-js/tutorial_types.js"    type="text/javascript"></script>
+  <script src="../gen-js/shared_types.js"      type="text/javascript"></script>
+  <script src="../gen-js/SharedService.js"     type="text/javascript"></script>
+  <script src="../gen-js/Calculator.js"        type="text/javascript"></script>
 
   <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>