org.eclipse.jetty.util.MultiPartWriter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ehcache Show documentation
Show all versions of ehcache Show documentation
Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
//
// ========================================================================
// Copyright (c) 1995-2013 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