[jboss-svn-commits] JBL Code SVN: r7332 - labs/jbossesb/trunk/product/core/listeners/src/org/jboss/soa/esb/actions/routing

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

Author: jokum
Date: 2006-11-02 10:40:36 -0500 (Thu, 02 Nov 2006)
New Revision: 7332

Added:
   labs/jbossesb/trunk/product/core/listeners/src/org/jboss/soa/esb/actions/routing/HttpRouter.java
Log:
HttpRouter implementation

Added: labs/jbossesb/trunk/product/core/listeners/src/org/jboss/soa/esb/actions/routing/HttpRouter.java
===================================================================
--- labs/jbossesb/trunk/product/core/listeners/src/org/jboss/soa/esb/actions/routing/HttpRouter.java	2006-11-02 15:39:47 UTC (rev 7331)
+++ labs/jbossesb/trunk/product/core/listeners/src/org/jboss/soa/esb/actions/routing/HttpRouter.java	2006-11-02 15:40:36 UTC (rev 7332)
@@ -0,0 +1,152 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2006, JBoss Inc., and individual contributors as indicated
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY 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 along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+
+package org.jboss.soa.esb.actions.routing;
+
+import java.io.Serializable;
+
+import org.apache.log4j.Logger;
+import org.jboss.remoting.Client;
+import org.jboss.remoting.InvokerLocator;
+import org.jboss.soa.esb.actions.ActionProcessingException;
+import org.jboss.soa.esb.actions.ActionProcessor;
+import org.jboss.soa.esb.actions.ActionUtils;
+import org.jboss.soa.esb.helpers.ConfigTree;
+import org.jboss.soa.esb.listeners.ListenerTagNames;
+
+/**
+ * HttpRouter Action Processor. This ActionProcessor will forward the message to an url for further processing.
+ * If the routeUrl property is not set a default url will be used.
+ * 
+ * <p/> Sample Action Configuration:
+ * 
+ * <pre>
+ *    &lt;Action class=&quot;org.jboss.soa.esb.actions.routing.HttpRouter&quot;&gt;
+ *    	&lt;property name=&quot;routeUrl&quot; value=&quot;http://localhost:8888&quot;&lt;/property&gt;
+ *    &lt;/Action&gt;
+ * </pre>
+ *
+ * @author <a href="mailto:johan.kumps at telenet.be">Johan Kumps</a>
+ */
+public class HttpRouter implements ActionProcessor {
+
+	/* The logger for this class */
+	private static Logger logger = Logger.getLogger(HttpRouter.class);
+
+	/* The configuration for this ActionProcessor */
+	private ConfigTree configTree = null;
+
+	/* The url to route the message to */
+	private String urlToRouteTo = null;
+
+	/*
+	 * The url to route the message to if the url was not set in the
+	 * configuration
+	 */
+	private static final String DEFAULT_URL_TO_ROUTE_TO = "http://localhost:5400";
+
+	/**
+	 * Constructing a HttpRouter instance
+	 * 
+	 * @param configTree
+	 *            the configuration to use in this HttpRouter instance
+	 */
+	public HttpRouter(ConfigTree configTree) {
+		this.configTree = configTree;
+		this.urlToRouteTo = this
+				.obtainAttribute(ListenerTagNames.HTTP_ROUTER_ROUTE_URL,
+						DEFAULT_URL_TO_ROUTE_TO);
+
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.jboss.soa.esb.actions.ActionProcessor#process(java.lang.Object)
+	 */
+	public org.jboss.soa.esb.message.Message process(
+			org.jboss.soa.esb.message.Message message)
+			throws ActionProcessingException {
+
+		Object oCurr = ActionUtils.getTaskObject(message);
+
+		if (logger.isInfoEnabled()) {
+			logger
+					.info("HttpRouter currently routing message " + message
+							+ " with payload <<" + oCurr + ">> to "
+							+ this.urlToRouteTo);
+		}
+
+		try {
+			InvokerLocator locator = new InvokerLocator(this.urlToRouteTo);
+
+			Client remotingClient = new Client(locator);
+			remotingClient.connect();
+
+			remotingClient.invoke(oCurr, null);
+			return message;
+		} catch (Throwable e) {
+			String errorMessage = "Exception while sending message [" + oCurr
+					+ "] to destination [" + this.urlToRouteTo + "].";
+			logger.error(errorMessage, e);
+			throw new ActionProcessingException(errorMessage, e);
+		}
+	}
+
+	/**
+	 * Method obtaining an attribute from the configuration tree
+	 * 
+	 * @param tree
+	 *            the configuration to use
+	 * @param p_sAtt
+	 *            the name of the attribute to get
+	 * @param p_sDefault
+	 *            the default value for the attribute if not set
+	 * @return the value of the attribute or the default one is not set in
+	 *         configuration tree
+	 */
+	private String obtainAttribute(String p_sAtt, String p_sDefault) {
+		String sVal = this.configTree.getAttribute(p_sAtt);
+		return (null != sVal) ? sVal : p_sDefault;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.jboss.soa.esb.actions.ActionProcessor#getOkNotification(java.lang.Object)
+	 */
+	public Serializable getOkNotification(
+			org.jboss.soa.esb.message.Message message) {
+		return null;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.jboss.soa.esb.actions.ActionProcessor#getErrorNotification(java.lang.Object)
+	 */
+	public Serializable getErrorNotification(
+			org.jboss.soa.esb.message.Message message) {
+		return null;
+	}
+
+}