001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: /*
038: * @(#)MessageHeaders.java 1.6 07/05/04
039: */
040:
041: package com.sun.mail.dsn;
042:
043: import java.io.*;
044:
045: import javax.activation.*;
046: import javax.mail.*;
047: import javax.mail.internet.*;
048:
049: /**
050: * A special MimeMessage object that contains only message headers,
051: * no content. Used to represent the MIME type text/rfc822-headers.
052: */
053: public class MessageHeaders extends MimeMessage {
054:
055: /**
056: * Construct a MessageHeaders object.
057: */
058: public MessageHeaders() throws MessagingException {
059: super ((Session) null);
060: content = new byte[0];
061: }
062:
063: /**
064: * Constructs a MessageHeaders object from the given InputStream.
065: *
066: * @param is InputStream
067: */
068: public MessageHeaders(InputStream is) throws MessagingException {
069: super (null, is);
070: content = new byte[0];
071: }
072:
073: /**
074: * Constructs a MessageHeaders object using the given InternetHeaders.
075: *
076: * @param headers InternetHeaders to use
077: */
078: public MessageHeaders(InternetHeaders headers)
079: throws MessagingException {
080: super ((Session) null);
081: this .headers = headers;
082: content = new byte[0];
083: }
084:
085: /**
086: * Return the size of this message.
087: * Always returns zero.
088: */
089: public int getSize() {
090: return 0;
091: }
092:
093: public InputStream getInputStream() {
094: return new ByteArrayInputStream(content);
095: }
096:
097: protected InputStream getContentStream() {
098: return new ByteArrayInputStream(content);
099: }
100:
101: /**
102: * Can't set any content for a MessageHeaders object.
103: *
104: * @exception MessagingException always
105: */
106: public void setDataHandler(DataHandler dh)
107: throws MessagingException {
108: throw new MessagingException(
109: "Can't set content for MessageHeaders");
110: }
111:
112: }
|