cvs commit: xml-axis/proposals/async/samples/async GetQuote.java

[jm...@apache.org]

jmsnell     2002/09/09 12:08:14

  Added:       proposals/async/samples/async GetQuote.java
  Log:
  Initial checkin of the async prototype proposal (sample)
  
  Revision  Changes    Path
  1.1                  xml-axis/proposals/async/samples/async/GetQuote.java
  
  Index: GetQuote.java
  ===================================================================
  /*
   * 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 "Axis" 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/>.
   */
  
  package samples.async;
  
  import org.apache.axis.AxisFault;
  import org.apache.axis.client.Call;
  import org.apache.axis.client.Service;
  import org.apache.axis.client.async.AsyncCall;
  import org.apache.axis.encoding.XMLType;
  import org.apache.axis.utils.Options;
  import javax.xml.rpc.ParameterMode;
  import javax.xml.namespace.QName;
  
  import java.net.URL;
  
  /**
   * Note: Modified version of samples.stock.GetQuote that uses
   * Async req/response
   * 
   * 
   * @author Doug Davis (dug@us.ibm.com.com)
   */
  public class GetQuote {
      public  String symbol ;
      
    // helper function; does all the real work
      public float getQuote (String args[]) throws Exception {
        Options opts = new Options( args );
  
        args = opts.getRemainingArgs();
  
        if ( args == null ) {
          System.err.println( "Usage: GetQuote <symbol>" );
          System.exit(1);
        }
  
        symbol = args[0] ;
  
        // useful option for profiling - perhaps we should remove before
        // shipping?
        String countOption = opts.isValueSet('c');
        int count=1;
        if ( countOption != null) {
            count=Integer.valueOf(countOption).intValue();
            System.out.println("Iterating " + count + " times");
        }
  
        URL url = new URL(opts.getURL());
        String user = opts.getUser();
        String passwd = opts.getPassword();
  
        Service  service = new Service();
  
        Float res = new Float(0.0F);
        for (int i=0; i<count; i++) {
            Call     call    = (Call) service.createCall();
  
            call.setTargetEndpointAddress( url );
            call.setOperationName( new QName("urn:xmltoday-delayed-quotes", "getQuote") );
            call.addParameter( "symbol", XMLType.XSD_STRING, ParameterMode.IN );
            call.setReturnType( XMLType.XSD_FLOAT );
  
            // TESTING HACK BY ROBJ
            if (symbol.equals("XXX_noaction")) {
                symbol = "XXX";
            }
  
            call.setUsername( user );
            call.setPassword( passwd );
  
            call.setProperty(AsyncCall.ASYNC_CALL_PROPERTY, 
                             new Boolean(true));
  
            call.invoke(new Object[] {symbol});
  
            Object ret = null;
            try {          
              ret = call.waitForReturnValue(1000 * 20); //wait 20 seconds
            } catch (Throwable t) {
              System.out.println("Received problem response: " + t);
              throw new AxisFault("", t.toString(), null,null);
            }
            
            if (ret instanceof String) {
                System.out.println("Received problem response from server: "+ret);
                throw new AxisFault("", (String)ret, null, null);
            }
            
            res = (Float) ret;
        }
  
          return res.floatValue();
      }
  
    public static void main(String args[]) {
      try {
          GetQuote gq = new GetQuote();
          float val = gq.getQuote(args);
          // args array gets side-effected
          System.out.println(gq.symbol + ": " + val);
      }
      catch( Exception e ) {
         e.printStackTrace();
      }
    }
    
    public GetQuote () {
    };
  
  };