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Posted to soap-dev@xml.apache.org by wc...@locus.apache.org on 2000/11/28 23:31:06 UTC

cvs commit: xml-soap/java/src/org/apache/soap/util/mime ByteArrayDataSource.java MimeUtils.java

wcloeten    00/11/28 14:31:05

  Added:       java/src/org/apache/soap/util/mime ByteArrayDataSource.java
                        MimeUtils.java
  Log:
  MIME utility classes
  
  Revision  Changes    Path
  1.1                  xml-soap/java/src/org/apache/soap/util/mime/ByteArrayDataSource.java
  
  Index: ByteArrayDataSource.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2000 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 "SOAP" 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) 2000, 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.soap.util.mime;
  
  import java.io.*;
  import org.apache.soap.Constants;
  import javax.activation.*;
  
  /**
   * This class implements a typed DataSource from
   * 	an InputStream,
   *	a byte array,
   * 	a String,
   *      a File.
   *
   * @author Wouter Cloetens (wcloeten@raleigh.ibm.com)
   */
  
  public class ByteArrayDataSource implements DataSource
  {
      private byte[] data; // data
      private String type; // content-type
  
      /**
       * Create a datasource from a File.
       */
      public ByteArrayDataSource(File f, String type) throws IOException
      {
          this(new FileInputStream(f), type);
          if(this.type == null)
              this.type = FileTypeMap.getDefaultFileTypeMap().getContentType(f);
      }
  
      /**
       * Create a datasource from an input stream.
       */
      public ByteArrayDataSource(InputStream is, String type) throws IOException
      {
          this.type = type;
  
          ByteArrayOutputStream os = new ByteArrayOutputStream();
  
          byte buf[] = new byte[4096];
          int len;
          while (true)
          {
              len = is.read(buf);
              if (len < 0)
                  break;
              os.write(buf, 0, len);
          }
          data = os.toByteArray();
      }
  
      /**
       * Create a datasource from a byte array.
       */
      public ByteArrayDataSource(byte[] data, String type)
      {
          this.type = type;
          this.data = data;
      }
  
      /**
       * Create a datasource from a String. This method defaults to
       * encoding the String as iso-8859-1. For a different encoding,
       * specify a Mime "charset" in the Content-Type parameter.
       */
      public ByteArrayDataSource(String data, String type)
      {
          this.type = type;
          try
          {
              this.data = data.getBytes(MimeUtils.getEncoding(type,
                                                              Constants.HEADERVAL_DEFAULT_CHARSET));
          }
          catch (UnsupportedEncodingException uex)
          {
          }
      }
  
      /**
       * Return an InputStream to read the content.
       */
      public InputStream getInputStream() throws IOException
      {
          if (data == null)
              throw new IOException("No data.");
          return new ByteArrayInputStream(data);
      }
  
      /**
       * This DataSource cannot return an OutputStream.
       */
      public OutputStream getOutputStream() throws IOException
      {
          throw new IOException("getOutputStream() not supported.");
      }
  
      /**
       * Get the content type.
       */
      public String getContentType()
      {
          return type;
      }
  
      /**
       * Set the content type.
       */
      public void setContentType(String type)
      {
          this.type = type;
      }
  
      /**
       * getName() is not supported.
       */
      public String getName()
      {
          return "";
      }
  
      /**
       * Write the content to an OutputStream.
       */
      public void writeTo(OutputStream os) throws IOException
      {
          os.write(data);
      }
  
      /**
       * Return the content as a byte array.
       */
      public byte[] toByteArray()
      {
          return data;
      }
  
      /**
       * Return the size of the byte array.
       */
      public int getSize()
      {
          if (data == null)
              return -1;
          else
              return data.length;
      }
  }
  
  
  
  1.1                  xml-soap/java/src/org/apache/soap/util/mime/MimeUtils.java
  
  Index: MimeUtils.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2000 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 "SOAP" 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) 2000, 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.soap.util.mime;
  
  import java.io.*;
  import com.sun.mail.util.LineInputStream;
  import java.util.*;
  import java.net.*;
  import org.apache.soap.*;
  import javax.mail.internet.*;
  
  /**
   * Mime-related utility functions.
   *
   * @author Wouter Cloetens (wcloeten@raleigh.ibm.com)
   */
  
  public class MimeUtils
  {
      /**
       * Get a unique value.
       *
       * Similar to javax.mail.internet.UniqueValue, this implementation
       * generates a unique value by concatenating a newly
       * created object's <code>hashCode()</code>, the current
       * time (in milliseconds), and this system's hostname generated by
       * <code>InternetAddress.getLocalAddress()</code>.
       */
      public static String getUniqueValue()
      {
          String user = System.getProperty("user.name");
          String host = null;
          try
          {
              host = InetAddress.getLocalHost().getHostName();
          }
          catch (UnknownHostException uhe)
          {
              host = "localhost";
          }
  
          StringBuffer s = new StringBuffer();
  
          // Unique string is <hashcode>.<currentTime>.apache-soap.<suffix>
          s.append(s.hashCode()).append('.').append(System.currentTimeMillis()).
              append(".apache-soap.").append(user).append('.').append(host);
          return s.toString();
      }
  
      /**
       * Extract a Java encoding from a Content-Type's MIME character set.
       */
      public static String getEncoding(String type, String defaultEncoding)
      {
          String encoding = null;
          try
          {
          if (type != null && !type.equals(""))
              encoding = new ContentType(type).getParameter("charset");
          }
          catch(ParseException pe)
          {
          }
          if (encoding == null)
              encoding = defaultEncoding;
          else
              encoding = MimeUtility.javaCharset(encoding);
  
          return encoding;
      }
  
      /**
       * URLDecode string.
       */
      private static final String hexmap = "0123456789ABCDEF";
      public static String decode(String s)
      {
          StringBuffer ret = new StringBuffer();
          char c;
          for (int i = 0; i < s.length(); i++)
          {
              c = s.charAt(i);
              switch(c)
              {
              case '+':
                  ret.append(' ');
                  break;
              case '%':
                  ret.append((char)((hexmap.indexOf(s.charAt(++i)) << 4)
                                    + hexmap.indexOf(s.charAt(++i))));
                  break;
              default:
                  ret.append(c);
              }
          }
          return ret.toString();
      }
  }