[jboss-svn-commits] JBL Code SVN: r6488 - labs/jbossesb/trunk/product/core/rosetta/src/org/jboss/internal/soa/esb/message/format

[jboss-svn-commits at lists.jboss.org]

Author: mark.little at jboss.com
Date: 2006-09-30 19:08:45 -0400 (Sat, 30 Sep 2006)
New Revision: 6488

Added:
   labs/jbossesb/trunk/product/core/rosetta/src/org/jboss/internal/soa/esb/message/format/MessageFactoryImpl.java
Log:


Added: labs/jbossesb/trunk/product/core/rosetta/src/org/jboss/internal/soa/esb/message/format/MessageFactoryImpl.java
===================================================================
--- labs/jbossesb/trunk/product/core/rosetta/src/org/jboss/internal/soa/esb/message/format/MessageFactoryImpl.java	2006-09-30 23:08:25 UTC (rev 6487)
+++ labs/jbossesb/trunk/product/core/rosetta/src/org/jboss/internal/soa/esb/message/format/MessageFactoryImpl.java	2006-09-30 23:08:45 UTC (rev 6488)
@@ -0,0 +1,138 @@
+package org.jboss.internal.soa.esb.message.format;
+
+import org.jboss.soa.esb.message.Message;
+import org.jboss.soa.esb.message.format.MessageFactory;
+import org.jboss.soa.esb.message.format.MessageType;
+
+import org.jboss.soa.esb.message.format.MessagePlugin;
+
+import org.jboss.internal.soa.esb.message.format.serialized.SerializedMessagePlugin;
+import org.jboss.internal.soa.esb.message.format.xml.XMLMessagePlugin;
+
+import java.net.URI;
+import java.lang.IllegalArgumentException;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.Properties;
+
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2006, JBoss Inc., and others contributors as indicated 
+ * by the @authors tag. All rights reserved. 
+ * See the copyright.txt in the distribution for a
+ * full listing of individual contributors. 
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License, v. 2.1.
+ * This program is distributed in the hope that it will be useful, but WITHOUT A 
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
+ * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+ * You should have received a copy of the GNU Lesser General Public License,
+ * v.2.1 along with this distribution; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
+ * MA  02110-1301, USA.
+ * 
+ * (C) 2005-2006,
+ * @author mark.little at jboss.com
+ */
+
+/**
+ * Messages may contain attachments that do not appear in the main payload body.
+ * For example, binary document formats, zip files etc.
+ * 
+ * @author Mark Little
+ */
+
+public class MessageFactoryImpl extends MessageFactory
+{
+
+	public MessageFactoryImpl ()
+	{
+		reset();
+	}
+
+	public void reset ()
+	{
+		messageFormats.clear();
+		
+		/*
+		 * Go through the properties loaded from the property file. Anything
+		 * starting with MessagePlugin.MESSAGE_PLUGIN is assumed to be a plugin
+		 * that we load and add to the list.
+		 */
+		
+		Properties properties = System.getProperties();
+		
+		if (properties != null)
+		{
+			Enumeration names = properties.propertyNames();
+
+			while (names.hasMoreElements())
+			{
+				String attrName = (String) names.nextElement();
+				
+				if (attrName.startsWith(MessagePlugin.MESSAGE_PLUGIN))
+				{
+					try
+					{
+						String pluginName = properties.getProperty(attrName);
+						Class c = Class.forName(pluginName);
+						MessagePlugin thePlugin = (MessagePlugin) c.newInstance();
+
+						messageFormats.put(thePlugin.getType(), thePlugin);
+					}
+					catch (ClassNotFoundException ex)
+					{
+						ex.printStackTrace();
+					}
+					catch (IllegalAccessException ex)
+					{
+						ex.printStackTrace();
+					}
+					catch (InstantiationException ex)
+					{
+						ex.printStackTrace();
+					}
+				}
+			}
+		}
+	         
+		/*
+		 * Now add the default(s).
+		 */
+		
+		messageFormats.put(MessageType.JBOSS_XML, new XMLMessagePlugin());
+		messageFormats.put(MessageType.JAVA_SERIALIZED, new SerializedMessagePlugin());
+	}
+	
+	public Message getMessage() // returns some default implementation.
+	{
+		return ((MessagePlugin) messageFormats.get(MessageType.DEFAULT_TYPE)).getMessage();
+	}
+
+	public Message getMessage(URI type) // returns a message of a specific type.
+	{
+		if (type == null)
+			throw new IllegalArgumentException();
+
+		MessagePlugin plugin = messageFormats.get(type);
+
+		if (plugin != null)
+			return plugin.getMessage();
+		else
+			return null;
+	}
+
+	public Message getMessage(Message msg, URI type) // convert a message
+	// from one form to
+	// another.
+	{
+		if ((msg == null) || (type == null))
+			throw new IllegalArgumentException();
+
+		return null;
+	}
+
+	private final Hashtable<URI, MessagePlugin> messageFormats = new Hashtable<URI, MessagePlugin>();
+
+}