JAL-3026 major update 1/2

[jalview.git] / srcjar_unused / org / apache / log4j / net / JMSSink.java

diff --git a/srcjar_unused/org/apache/log4j/net/JMSSink.java b/srcjar_unused/org/apache/log4j/net/JMSSink.java
new file mode 100644 (file)
index 0000000..6a02831
--- /dev/null
+++ b/srcjar_unused/org/apache/log4j/net/JMSSink.java
@@ -0,0 +1,153 @@
+/*
+ * 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.log4j.net;
+
+import org.apache.log4j.Logger;
+import org.apache.log4j.PropertyConfigurator;
+import org.apache.log4j.spi.LoggingEvent;
+import org.apache.log4j.xml.DOMConfigurator;
+
+import javax.jms.JMSException;
+import javax.jms.ObjectMessage;
+import javax.jms.Session;
+import javax.jms.Topic;
+import javax.jms.TopicConnection;
+import javax.jms.TopicConnectionFactory;
+import javax.jms.TopicSession;
+import javax.jms.TopicSubscriber;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NameNotFoundException;
+import javax.naming.NamingException;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+/**
+ * A simple application that consumes logging events sent by a {@link
+ * JMSAppender}.
+ *
+ *
+ * @author Ceki Gülcü 
+ * */
+public class JMSSink implements javax.jms.MessageListener {
+
+  static Logger logger = Logger.getLogger(JMSSink.class);
+
+  static public void main(String[] args) throws Exception {
+    if(args.length != 5) {
+      usage("Wrong number of arguments.");
+    }
+    
+    String tcfBindingName = args[0];
+    String topicBindingName = args[1];
+    String username = args[2];
+    String password = args[3];
+    
+    
+    String configFile = args[4];
+
+    if(configFile.endsWith(".xml")) {
+      DOMConfigurator.configure(configFile);
+    } else {
+      PropertyConfigurator.configure(configFile);
+    }
+    
+    new JMSSink(tcfBindingName, topicBindingName, username, password);
+
+    BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
+    // Loop until the word "exit" is typed
+    System.out.println("Type \"exit\" to quit JMSSink.");
+    while(true){
+      String s = stdin.readLine( );
+      if (s.equalsIgnoreCase("exit")) {
+       System.out.println("Exiting. Kill the application if it does not exit "
+                          + "due to daemon threads.");
+       return; 
+      }
+    } 
+  }
+
+  public JMSSink( String tcfBindingName, String topicBindingName, String username,
+                 String password) {
+    
+    try {
+      Context ctx = new InitialContext();
+      TopicConnectionFactory topicConnectionFactory;
+      topicConnectionFactory = (TopicConnectionFactory) lookup(ctx,
+                                                               tcfBindingName);
+
+      TopicConnection topicConnection =
+                               topicConnectionFactory.createTopicConnection(username,
+                                                                            password);
+      topicConnection.start();
+
+      TopicSession topicSession = topicConnection.createTopicSession(false,
+                                                       Session.AUTO_ACKNOWLEDGE);
+
+      Topic topic = (Topic)ctx.lookup(topicBindingName);
+
+      TopicSubscriber topicSubscriber = topicSession.createSubscriber(topic);
+    
+      topicSubscriber.setMessageListener(this);
+
+    } catch(JMSException e) {
+      logger.error("Could not read JMS message.", e);
+    } catch(NamingException e) {
+      logger.error("Could not read JMS message.", e);
+    } catch(RuntimeException e) {
+      logger.error("Could not read JMS message.", e);
+    }
+  }
+
+  public void onMessage(javax.jms.Message message) {
+    LoggingEvent event;
+    Logger remoteLogger;
+
+    try {
+      if(message instanceof  ObjectMessage) {
+       ObjectMessage objectMessage = (ObjectMessage) message;
+       event = (LoggingEvent) objectMessage.getObject();
+       remoteLogger = Logger.getLogger(event.getLoggerName());
+       remoteLogger.callAppenders(event);
+      } else {
+       logger.warn("Received message is of type "+message.getJMSType()
+                   +", was expecting ObjectMessage.");
+      }      
+    } catch(JMSException jmse) {
+      logger.error("Exception thrown while processing incoming message.", 
+                  jmse);
+    }
+  }
+
+
+  protected static Object lookup(Context ctx, String name) throws NamingException {
+    try {
+      return ctx.lookup(name);
+    } catch(NameNotFoundException e) {
+      logger.error("Could not find name ["+name+"].");
+      throw e;
+    }
+  }
+
+  static void usage(String msg) {
+    System.err.println(msg);
+    System.err.println("Usage: java " + JMSSink.class.getName()
+            + " TopicConnectionFactoryBindingName TopicBindingName username password configFile");
+    System.exit(1);
+  }
+}