vmassol     01/06/17 06:38:32

  Modified:    cactus/src/framework/share/org/apache/commons/cactus/client
                        ServletHttpClient.java
  Added:       cactus/src/framework/share/org/apache/commons/cactus/client
                        AutoReadHttpURLConnection.java
  Log:
  correction of bug #1612
  
  Revision  Changes    Path
  1.4       +5 -1      
jakarta-commons/cactus/src/framework/share/org/apache/commons/cactus/client/ServletHttpClient.java
  
  Index: ServletHttpClient.java
  ===================================================================
  RCS file: 
/home/cvs/jakarta-commons/cactus/src/framework/share/org/apache/commons/cactus/client/ServletHttpClient.java,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- ServletHttpClient.java    2001/04/28 14:04:22     1.3
  +++ ServletHttpClient.java    2001/06/17 13:38:32     1.4
  @@ -95,7 +95,7 @@
       {
           ServletTestResult result = null;
           HttpURLConnection connection = null;
  -
  +        
           // Open the first connection to the redirector servlet
           HttpClientHelper helper1 = new HttpClientHelper(SERVLET_REDIRECTOR_URL);
   
  @@ -103,6 +103,10 @@
           theRequest.addParameter(ServiceDefinition.SERVICE_NAME_PARAM,
               ServiceEnumeration.CALL_TEST_SERVICE.toString());
           connection = helper1.connect(theRequest);
  +
  +        // Wrap the connection to ensure that all servlet output is read
  +        // before we ask for results
  +        connection = new AutoReadHttpURLConnection(connection);
   
           // Note: We need to get the input stream here to trigger the actual
           // call to the servlet ... Don't know why exactly ... :(
  
  
  
  1.1                  
jakarta-commons/cactus/src/framework/share/org/apache/commons/cactus/client/AutoReadHttpURLConnection.java
  
  Index: AutoReadHttpURLConnection.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 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 acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", 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 [EMAIL PROTECTED]
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * 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.commons.cactus.client;
  
  import java.io.*;
  import java.net.*;
  import java.security.*;
  
  /**
   * Wrapper class for the real <code>HttpURLConnection</code> to the test servlet
   * that reads the complete input stream into an internal buffer on
   * the first call to getInputStream(). This is to ensure that the test servlet
   * is not blocked on i/o when the test caller asks for the results.
   * <p>
   * The wrapper returns the buffered input stream from getInputStream and
   * delegates the rest of the calls.
   * <p>
   * This class is final so we don't have to provide access to protected instance
   * variables and methods of the wrapped connection.
   *
   * @version @version@
   */
  final class AutoReadHttpURLConnection extends HttpURLConnection
  {
      /**
       * Default size of array for copying data, not sure what a good size is.
       */
      static final int DEFAULT_CHUNK_SIZE = 16384;
  
      /**
       * Some magic keyword that is prepended to the servlet output stream in
       * order to never have an empty stream returned to the client side. This is
       * needed because this class will try to read all the returned data and
       * if there is none will block ...
       */
      static final byte[] MAGIC_KEYWORD = "C*&()C$$".getBytes();
  
      /**
       * Size of array for copying data, Allow reset for testing copy loop.
       */
      int chunkSize = DEFAULT_CHUNK_SIZE;
  
      /**
       * The wrapped connection.
       */
      HttpURLConnection delegate;
  
      /**
       * The read input stream.
       */
      InputStream streamBuffer;
  
      AutoReadHttpURLConnection(HttpURLConnection conn)
      {
          super(null);
          delegate = conn;
      }
  
      /**
       * Returns an input stream containing the fully read contents of
       * the wrapped connection's input stream
       *
       * @return the input stream
       */
      public synchronized InputStream getInputStream() throws IOException
      {
          if (streamBuffer == null) {
              streamBuffer = bufferInputStream(delegate.getInputStream());
          }
          return streamBuffer;
      }
  
      InputStream bufferInputStream(InputStream is) throws IOException
      {
          ByteArrayOutputStream os = new ByteArrayOutputStream(chunkSize);
          copy(is, os);
          ByteArrayInputStream bais = null;
  
          // Remove the magic keyword if it exists. On most cases the magic
          // keyword will have been prepended. However, in some cases (like
          // when the test class does a forward()) the redirector servlet will
          // not have been able to prepend it.
  
          byte[] buffer = os.toByteArray();
          boolean foundMagic = true;
          for (int i = 1; i < MAGIC_KEYWORD.length - 1; i++) {
              if (buffer[buffer.length - i] != MAGIC_KEYWORD[MAGIC_KEYWORD.length - 
i]) {
                  foundMagic = false;
                  break;
              }
          }
          if (foundMagic) {
              bais = new ByteArrayInputStream(buffer, 0, buffer.length - 
MAGIC_KEYWORD.length);
          } else {
              bais = new ByteArrayInputStream(buffer);
          }
  
          return bais;        
      }
  
      void copy(InputStream is, OutputStream os) throws IOException
      {
          byte[] buf = new byte[chunkSize];
          int count;
  
          while( -1 != (count = is.read(buf)) ) {
              os.write(buf, 0, count);
          }
      }
  
      // Delegated methods
  
      public void connect() throws IOException
      {
          delegate.connect();
      }
  
      public boolean getAllowUserInteraction()
      {
          return delegate.getAllowUserInteraction();
      }
  
      public Object getContent() throws IOException 
      {
          return delegate.getContent();
      }
  
      public String getContentEncoding()
      {
          return delegate.getContentEncoding();
      }
  
      public int getContentLength()
      {
          return delegate.getContentLength();
      }
  
      public String getContentType()
      {
          return delegate.getContentType();
      }
  
      public long getDate()
      {
          return delegate.getDate();
      }
  
      public boolean getDefaultUseCaches()
      {
        return delegate.getDefaultUseCaches();
      }
  
      public boolean getDoInput()
      {
          return delegate.getDoInput();
      }
  
      public boolean getDoOutput()
      {
          return delegate.getDoOutput();
      }
  
      public long getExpiration()
      {
          return delegate.getExpiration();
      }
  
      public String getHeaderField(int a0)
      {
          return delegate.getHeaderField(a0);
      }
  
      public String getHeaderField(String a0)
      {
          return delegate.getHeaderField(a0);
      }
  
      public long getHeaderFieldDate(String a0, long a1)
      {
          return delegate.getHeaderFieldDate(a0, a1);
      }
  
      public int getHeaderFieldInt(String a0, int a1)
      {
          return delegate.getHeaderFieldInt(a0, a1);
      }
  
      public String getHeaderFieldKey(int a0)
      {
          return delegate.getHeaderFieldKey(a0);
      }
  
      public long getIfModifiedSince()
      {
          return delegate.getIfModifiedSince();
      }
  
      public long getLastModified()
      {
          return delegate.getLastModified();
      }
  
      public OutputStream getOutputStream() throws IOException
      {
          return delegate.getOutputStream();
      }
  
      public Permission getPermission() throws IOException
      {
          return delegate.getPermission();
      }
  
      public String getRequestProperty(String a0)
      {
          return delegate.getRequestProperty(a0);
      }
  
      public URL getURL()
      {
          return delegate.getURL();
      }
  
      public boolean getUseCaches()
      {
          return delegate.getUseCaches();
      }
  
      public void setAllowUserInteraction(boolean a0)
      {
          delegate.setAllowUserInteraction(a0);
      }
  
      public void setDefaultUseCaches(boolean a0)
      {
          delegate.setDefaultUseCaches(a0);
      }
  
      public void setDoInput(boolean a0)
      {
          delegate.setDoInput(a0);
      }
  
      public void setDoOutput(boolean a0)
      {
          delegate.setDoOutput(a0);
      }
  
      public void setIfModifiedSince(long a0)
      {
          delegate.setIfModifiedSince(a0);
      }
  
      public void setRequestProperty(String a0, String a1)
      {
          delegate.setRequestProperty(a0, a1);
      }
  
      public void setUseCaches(boolean a0)
      {
          delegate.setUseCaches(a0);
      }
  
      public String toString()
      {
          return delegate.toString();
      }
  
      public void disconnect()
      {
          delegate.disconnect();
      }
  
      public InputStream getErrorStream()
      {
          return delegate.getErrorStream();
      }
  
      public String getRequestMethod()
      {
          return delegate.getRequestMethod();
      }
  
      public int getResponseCode() throws IOException
      {
          return delegate.getResponseCode();
      }
  
      public String getResponseMessage() throws IOException
      {
          return delegate.getResponseMessage();
      }
  
      public void setRequestMethod(String a0) throws ProtocolException
      {
          delegate.setRequestMethod(a0);
      }
  
      public boolean usingProxy()
      {
          return delegate.usingProxy();
      }
  
  }
  
  
  

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