cvs commit: jakarta-jetspeed/src/java/org/apache/jetspeed/portal/portlets ServletInvokerPortlet.java

[in...@apache.org]

ingo        01/03/08 09:22:29

  Added:       src/java/org/apache/jetspeed/portal/portlets
                        ServletInvokerPortlet.java
  Log:
  ServletInvokerPortlet for use with JSP and Servlets
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed/src/java/org/apache/jetspeed/portal/portlets/ServletInvokerPortlet.java
  
  Index: ServletInvokerPortlet.java
  ===================================================================
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" and
   *     "Apache Jetspeed" must not be used to endorse or promote products
   *    derived from this software without prior written permission. For
   *    written permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache" or
   *    "Apache Jetspeed", nor may "Apache" appear in their name, without
   *    prior written permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * 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/>.
   */
  
  
  package org.apache.jetspeed.portal.portlets;
  
  import org.apache.ecs.ConcreteElement;
  import org.apache.ecs.ElementContainer;
  import org.apache.ecs.StringElement;
  
  import org.apache.jetspeed.portal.*;
  import org.apache.jetspeed.util.*;
  
  import org.apache.turbine.util.*;
  
  import org.apache.jetspeed.portal.portlets.AbstractPortlet;
  import org.apache.jetspeed.util.servlet.EcsServletElement;
  
  /**
   * The ServletInvokerPortlet invokes a servlet or JSP and displays the result.
   * 
   * @author Thomas Schaeck (schaeck@de.ibm.com)
   */
  public class ServletInvokerPortlet extends AbstractPortlet {
  
  
    /**
     * Returns an ECS concrete element that includes the servlet/JSP.
     *
     * The servlet/JSP will be invoked when the ECS tree is written 
     * to the servlet output stream and add its output to the stream.
     */
    public ConcreteElement getContent(RunData rundata) {
  	// !!! Need to check this - is this the right rundata object ? !!!
  	PortletConfig pc = this.getPortletConfig();
  
  	String servletURL = null;
  	try {
  	  servletURL = (String) this.getPortletConfig().getInitParameter("url");
  	  return new EcsServletElement(rundata, servletURL);
  	} catch (Exception e) {
  	  String message = "ServletInvokerPortlet: Error invoking " 
  					   + servletURL + ": " + e.getMessage();
  	  Log.error(message, e);
  	  return new StringElement(message);
  	}
    }    }
  
  

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