cvs commit: xml-xang/java/src/org/apache/xang/util StreamUtil.java

[md...@locus.apache.org]

mdierken    00/04/14 14:39:06

  Added:       java/src/org/apache/xang/util StreamUtil.java
  Log:
  no message
  
  Revision  Changes    Path
  1.1                  xml-xang/java/src/org/apache/xang/util/StreamUtil.java
  
  Index: StreamUtil.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 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 "Xerces" 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 and was
   * originally based on software copyright (c) 1999, International
   * Business Machines, Inc., http://www.apache.org.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.xang.util;
  import java.io.*;
  
  
  /**
   * This class wraps the Base64 implementation borrowed from Xerces.
   *
   * @see		org.apache.xang.util.base64.Base64
   */
  
  public class StreamUtil
  {
      /**
       * Utility method to get bytes to a destination (usually a byte array output stream)
       */
      public static long copyStream(InputStream is,OutputStream os)
      {
          byte buffer[] = new byte[64];
          int count;
          long total=0;
          
          try
          {
              while (true)
              {
                  count = is.read(buffer);
                  if (count > 0)
                  {
                      os.write(buffer,0,count);
                      total += count;
                  }
                  if (count < 0)
                      break;
              }
          }
          catch(IOException ioe)
          {
          }
          return total;
      }
  
      /**
       * Utility to read the full contents of a stream
       */
      public static byte[] readStream(InputStream is)
      {
          ByteArrayOutputStream baos = new ByteArrayOutputStream(64);
          copyStream(is,baos);
          return baos.toByteArray();
      }
  
  }