org.eclipse.jetty.util.MultiPartWriter Maven / Gradle / Ivy
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//
// ========================================================================
// Copyright (c) 1995-2012 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util;
import java.io.FilterWriter;
import java.io.IOException;
import java.io.Writer;
/* ================================================================ */
/** Handle a multipart MIME response.
*
*
*
*/
public class MultiPartWriter extends FilterWriter
{
/* ------------------------------------------------------------ */
private final static String __CRLF="\015\012";
private final static String __DASHDASH="--";
public static String MULTIPART_MIXED=MultiPartOutputStream.MULTIPART_MIXED;
public static String MULTIPART_X_MIXED_REPLACE=MultiPartOutputStream.MULTIPART_X_MIXED_REPLACE;
/* ------------------------------------------------------------ */
private String boundary;
/* ------------------------------------------------------------ */
private boolean inPart=false;
/* ------------------------------------------------------------ */
public MultiPartWriter(Writer out)
throws IOException
{
super(out);
boundary = "jetty"+System.identityHashCode(this)+
Long.toString(System.currentTimeMillis(),36);
inPart=false;
}
/* ------------------------------------------------------------ */
/** End the current part.
* @exception IOException IOException
*/
@Override
public void close()
throws IOException
{
if (inPart)
out.write(__CRLF);
out.write(__DASHDASH);
out.write(boundary);
out.write(__DASHDASH);
out.write(__CRLF);
inPart=false;
super.close();
}
/* ------------------------------------------------------------ */
public String getBoundary()
{
return boundary;
}
/* ------------------------------------------------------------ */
/** Start creation of the next Content.
*/
public void startPart(String contentType)
throws IOException
{
if (inPart)
out.write(__CRLF);
out.write(__DASHDASH);
out.write(boundary);
out.write(__CRLF);
out.write("Content-Type: ");
out.write(contentType);
out.write(__CRLF);
out.write(__CRLF);
inPart=true;
}
/* ------------------------------------------------------------ */
/** end creation of the next Content.
*/
public void endPart()
throws IOException
{
if (inPart)
out.write(__CRLF);
inPart=false;
}
/* ------------------------------------------------------------ */
/** Start creation of the next Content.
*/
public void startPart(String contentType, String[] headers)
throws IOException
{
if (inPart)
out.write(__CRLF);
out.write(__DASHDASH);
out.write(boundary);
out.write(__CRLF);
out.write("Content-Type: ");
out.write(contentType);
out.write(__CRLF);
for (int i=0;headers!=null && i