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Utility classes for Jetty
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// ========================================================================
// Copyright 1996-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================
package org.mortbay.util;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/* ================================================================ */
/** Handle a multipart MIME response.
*
* @author Greg Wilkins
* @author Jim Crossley
*/
public class MultiPartOutputStream extends FilterOutputStream
{
/* ------------------------------------------------------------ */
private static byte[] __CRLF;
private static byte[] __DASHDASH;
public static String MULTIPART_MIXED="multipart/mixed";
public static String MULTIPART_X_MIXED_REPLACE="multipart/x-mixed-replace";
static
{
try
{
__CRLF="\015\012".getBytes(StringUtil.__ISO_8859_1);
__DASHDASH="--".getBytes(StringUtil.__ISO_8859_1);
}
catch (Exception e) {e.printStackTrace(); System.exit(1);}
}
/* ------------------------------------------------------------ */
private String boundary;
private byte[] boundaryBytes;
/* ------------------------------------------------------------ */
private boolean inPart=false;
/* ------------------------------------------------------------ */
public MultiPartOutputStream(OutputStream out)
throws IOException
{
super(out);
boundary = "jetty"+System.identityHashCode(this)+
Long.toString(System.currentTimeMillis(),36);
boundaryBytes=boundary.getBytes(StringUtil.__ISO_8859_1);
inPart=false;
}
/* ------------------------------------------------------------ */
/** End the current part.
* @exception IOException IOException
*/
public void close()
throws IOException
{
if (inPart)
out.write(__CRLF);
out.write(__DASHDASH);
out.write(boundaryBytes);
out.write(__DASHDASH);
out.write(__CRLF);
inPart=false;
super.close();
}
/* ------------------------------------------------------------ */
public String getBoundary()
{
return boundary;
}
public OutputStream getOut() {return out;}
/* ------------------------------------------------------------ */
/** Start creation of the next Content.
*/
public void startPart(String contentType)
throws IOException
{
if (inPart)
out.write(__CRLF);
inPart=true;
out.write(__DASHDASH);
out.write(boundaryBytes);
out.write(__CRLF);
out.write(("Content-Type: "+contentType).getBytes(StringUtil.__ISO_8859_1));
out.write(__CRLF);
out.write(__CRLF);
}
/* ------------------------------------------------------------ */
/** Start creation of the next Content.
*/
public void startPart(String contentType, String[] headers)
throws IOException
{
if (inPart)
out.write(__CRLF);
inPart=true;
out.write(__DASHDASH);
out.write(boundaryBytes);
out.write(__CRLF);
out.write(("Content-Type: "+contentType).getBytes(StringUtil.__ISO_8859_1));
out.write(__CRLF);
for (int i=0;headers!=null && i