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fix for AMQ-2003 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@718590 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Bosanac Dejan 2008-11-18 13:56:13 +00:00
parent e53668eb23
commit 1ab2f59af7
4 changed files with 290 additions and 91 deletions
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219
activemq-core/src/main/java/org/apache/activemq/transport/stomp/StompConnection.java Normal file
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@ -0,0 +1,219 @@
/**
* 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.activemq.transport.stomp;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.activemq.transport.stomp.Stomp.Headers.Subscribe;
public class StompConnection {
public static final long RECEIVE_TIMEOUT = 10000;
private Socket stompSocket;
private ByteArrayOutputStream inputBuffer = new ByteArrayOutputStream();
public void open(String host, int port) throws IOException, UnknownHostException {
open(new Socket(host, port));
}
public void open(Socket socket) {
stompSocket = socket;
}
public void close() throws IOException {
if (stompSocket != null) {
stompSocket.close();
stompSocket = null;
}
}
public void sendFrame(String data) throws Exception {
byte[] bytes = data.getBytes("UTF-8");
OutputStream outputStream = stompSocket.getOutputStream();
outputStream.write(bytes);
outputStream.write(0);
outputStream.flush();
}
public StompFrame receive() throws Exception {
return receive(RECEIVE_TIMEOUT);
}
public StompFrame receive(long timeOut) throws Exception {
stompSocket.setSoTimeout((int)timeOut);
InputStream is = stompSocket.getInputStream();
StompWireFormat wf = new StompWireFormat();
DataInputStream dis = new DataInputStream(is);
return (StompFrame)wf.unmarshal(dis);
}
public String receiveFrame() throws Exception {
return receiveFrame(RECEIVE_TIMEOUT);
}
public String receiveFrame(long timeOut) throws Exception {
stompSocket.setSoTimeout((int)timeOut);
InputStream is = stompSocket.getInputStream();
int c = 0;
for (;;) {
c = is.read();
if (c < 0) {
throw new IOException("socket closed.");
} else if (c == 0) {
c = is.read();
if (c != '\n') {
throw new IOException("Expecting stomp frame to terminate with \0\n");
}
byte[] ba = inputBuffer.toByteArray();
inputBuffer.reset();
return new String(ba, "UTF-8");
} else {
inputBuffer.write(c);
}
}
}
public Socket getStompSocket() {
return stompSocket;
}
public void setStompSocket(Socket stompSocket) {
this.stompSocket = stompSocket;
}
public void connect(String username, String password) throws Exception {
HashMap<String, String> headers = new HashMap();
headers.put("login", username);
headers.put("password", password);
StompFrame frame = new StompFrame("CONNECT", headers);
sendFrame(frame.toString());
}
public void disconnect() throws Exception {
StompFrame frame = new StompFrame("DISCONNECT");
sendFrame(frame.toString());
}
public void send(String destination, String message) throws Exception {
send(destination, message, null);
}
public void send(String destination, String message, HashMap<String, String> headers) throws Exception {
if (headers == null) {
headers = new HashMap<String, String>();
}
headers.put("destination", destination);
StompFrame frame = new StompFrame("SEND", headers, message.getBytes());
sendFrame(frame.toString());
}
public void subscribe(String destination) throws Exception {
subscribe(destination, null, null);
}
public void subscribe(String destination, String ack) throws Exception {
subscribe(destination, ack, new HashMap<String, String>());
}
public void subscribe(String destination, String ack, HashMap<String, String> headers) throws Exception {
if (headers == null) {
headers = new HashMap<String, String>();
}
headers.put("destination", destination);
if (ack != null) {
headers.put("ack", ack);
}
StompFrame frame = new StompFrame("SUBSCRIBE", headers);
sendFrame(frame.toString());
}
public void unsubscribe(String destination) throws Exception {
unsubscribe(destination, null);
}
public void unsubscribe(String destination, HashMap<String, String> headers) throws Exception {
if (headers == null) {
headers = new HashMap<String, String>();
}
headers.put("destination", destination);
StompFrame frame = new StompFrame("UNSUBSCRIBE", headers);
sendFrame(frame.toString());
}
public void begin(String transaction) throws Exception {
HashMap<String, String> headers = new HashMap<String, String>();
headers.put("transaction", transaction);
StompFrame frame = new StompFrame("BEGIN", headers);
sendFrame(frame.toString());
}
public void abort(String transaction) throws Exception {
HashMap<String, String> headers = new HashMap<String, String>();
headers.put("transaction", transaction);
StompFrame frame = new StompFrame("ABORT", headers);
sendFrame(frame.toString());
}
public void commit(String transaction) throws Exception {
HashMap<String, String> headers = new HashMap<String, String>();
headers.put("transaction", transaction);
StompFrame frame = new StompFrame("COMMIT", headers);
sendFrame(frame.toString());
}
public void ack(StompFrame frame) throws Exception {
ack(frame.getHeaders().get("message-id"), null);
}
public void ack(StompFrame frame, String transaction) throws Exception {
ack(frame.getHeaders().get("message-id"), transaction);
}
public void ack(String messageId) throws Exception {
ack(messageId, null);
}
public void ack(String messageId, String transaction) throws Exception {
HashMap<String, String> headers = new HashMap<String, String>();
headers.put("message-id", messageId);
if (transaction != null)
headers.put("transaction", transaction);
StompFrame frame = new StompFrame("ACK", headers);
sendFrame(frame.toString());
}
protected String appendHeaders(HashMap<String, Object> headers) {
StringBuffer result = new StringBuffer();
for (String key : headers.keySet()) {
result.append(key + ":" + headers.get(key) + "\n");
}
result.append("\n");
return result.toString();
}
}

91
activemq-core/src/test/java/org/apache/activemq/transport/stomp/StompConnection.java
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@ -1,91 +0,0 @@
/**
* 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.activemq.transport.stomp;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
public class StompConnection {
public static final long RECEIVE_TIMEOUT = 10000;
private Socket stompSocket;
private ByteArrayOutputStream inputBuffer = new ByteArrayOutputStream();
public void open(String host, int port) throws IOException, UnknownHostException {
open(new Socket(host, port));
}
public void open(Socket socket) {
stompSocket = socket;
}
public void close() throws IOException {
if (stompSocket != null) {
stompSocket.close();
stompSocket = null;
}
}
public void sendFrame(String data) throws Exception {
byte[] bytes = data.getBytes("UTF-8");
OutputStream outputStream = stompSocket.getOutputStream();
outputStream.write(bytes);
outputStream.write(0);
outputStream.flush();
}
public String receiveFrame() throws Exception {
return receiveFrame(RECEIVE_TIMEOUT);
}
private String receiveFrame(long timeOut) throws Exception {
stompSocket.setSoTimeout((int)timeOut);
InputStream is = stompSocket.getInputStream();
int c = 0;
for (;;) {
c = is.read();
if (c < 0) {
throw new IOException("socket closed.");
} else if (c == 0) {
c = is.read();
if (c != '\n') {
throw new IOException("Expecting stomp frame to terminate with \0\n");
}
byte[] ba = inputBuffer.toByteArray();
inputBuffer.reset();
return new String(ba, "UTF-8");
} else {
inputBuffer.write(c);
}
}
}
public Socket getStompSocket() {
return stompSocket;
}
public void setStompSocket(Socket stompSocket) {
this.stompSocket = stompSocket;
}
}

8
assembly/src/release/example/build.xml
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@ -290,4 +290,12 @@
</java>
</target>
<target name="stomp" depends="compile" description="Runs a Stomp example">
<echo>Running a Stomp example</echo>
<java classname="StompExample" fork="yes" maxmemory="100M">
<classpath refid="javac.classpath" />
<jvmarg value="-server" />
</java>
</target>
</project>

63
assembly/src/release/example/src/StompExample.java Normal file
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/**
* 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.
*/
import org.apache.activemq.transport.stomp.Stomp;
import org.apache.activemq.transport.stomp.StompConnection;
import org.apache.activemq.transport.stomp.StompFrame;
import org.apache.activemq.transport.stomp.Stomp.Headers.Subscribe;
/**
*
* This example demonstrates Stomp Java API
*
* @version $Revision$
*
*/
public class StompExample {
public static void main(String args[]) throws Exception {
StompConnection connection = new StompConnection();
connection.open("localhost", 61613);
connection.connect("system", "manager");
StompFrame connect = connection.receive();
if (!connect.getAction().equals(Stomp.Responses.CONNECTED)) {
throw new Exception ("Not connected");
}
connection.begin("tx1");
connection.send("/queue/test", "message1");
connection.send("/queue/test", "message2");
connection.commit("tx1");
connection.subscribe("/queue/test", Subscribe.AckModeValues.CLIENT);
connection.begin("tx2");
StompFrame message = connection.receive();
System.out.println(message.getBody());
connection.ack(message, "tx2");
message = connection.receive();
System.out.println(message.getBody());
connection.ack(message, "tx2");
connection.commit("tx2");
connection.disconnect();
}
}