org.mortbay.util.MultiPartWriter Maven / Gradle / Ivy
// ========================================================================
// 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.FilterWriter;
import java.io.IOException;
import java.io.Writer;
/* ================================================================ */
/** Handle a multipart MIME response.
*
* @author Greg Wilkins
* @author Jim Crossley
*/
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
*/
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