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From d..@apache.org
Subject cvs commit: xml-rpc/src/java/org/apache/xmlrpc SystemHandler.java
Date Wed, 14 Aug 2002 17:19:53 GMT
dlr         2002/08/14 10:19:53

  Added:       src/java/org/apache/xmlrpc SystemHandler.java
  Log:
  system.multicall handler added by Adam Megacz, with documentation and
  minor code spruce ups from me.
  
  Revision  Changes    Path
  1.1                  xml-rpc/src/java/org/apache/xmlrpc/SystemHandler.java
  
  Index: SystemHandler.java
  ===================================================================
  package org.apache.xmlrpc;
  
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright(c) 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 "XML-RPC" and "Apache Software Foundation" 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",
   *    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/>.
   */
  
  import org.apache.xmlrpc.*;
  import java.util.*;
  
  /**
   * Implements the XML-RPC standard system.* methods (such as
   * <code>system.multicall</code>.
   *
   * @author <a href="mailto:adam@megacz.com">Adam Megacz</a>
   */
  public class SystemHandler
  {
      private XmlRpcServer server = null;
  
      /**
       * Creates a new instance which delegates its multicalls to the
       * specified {@link org.apache.xmlrpc.XmlRpcServer}.
       *
       * @param server The server to delegate RPC calls to.
       */
      protected SystemHandler(XmlRpcServer server)
      {
          this.server = server;
      }
  
      /**
       * The <code>system.multicall</code> handler performs several RPC
       * calls at a time.
       *
       * @param request The request containing multiple RPC calls.
       * @return The RPC response.
       */
      public Vector multicall(Vector request)
      {
          Vector response = new Vector();
          for (int i = 0; i < request.size(); i++)
          {
              try
              {
                  Hashtable call = (Hashtable) request.elementAt(i);
                  String methodName = (String) call.get("methodName");
                  Vector params = (Vector) call.get("params");
                  Object handler = server.getHandler(methodName);
                  Vector v = new Vector();
                  v.addElement(server.invokeHandler(handler, methodName, params, null, null));
                  response.addElement(v);
              }
              catch (Exception x)
              {
                  String message = x.toString();
                  int code = x instanceof XmlRpcException ? ((XmlRpcException) x).code : 0;
                  Hashtable h = new Hashtable();
                  h.put("faultString", message);
                  h.put("faultCode", new Integer(code));
                  response.addElement(h);
              }
          }
          return response;
      }
  }
  
  
  

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