/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License").  You * may not use this file except in compliance with the License. You can obtain * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt. * Sun designates this particular file as subject to the "Classpath" exception * as provided by Sun in the GPL Version 2 section of the License file that * accompanied this code.  If applicable, add the following below the License * Header, with the fields enclosed by brackets [] replaced by your own * identifying information: "Portions Copyrighted [year] * [name of copyright owner]" * * Contributor(s): * * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license."  If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above.  However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. *//* * @(#)PreencodedMimeBodyPart.java	1.3 07/05/04 */package javax.mail.internet;import java.io.*;import java.util.Enumeration;import javax.mail.*;import com.sun.mail.util.LineOutputStream;/** * A MimeBodyPart that handles data that has already been encoded. * This class is useful when constructing a message and attaching * data that has already been encoded (for example, using base64 * encoding).  The data may have been encoded by the application, * or may have been stored in a file or database in encoded form. * The encoding is supplied when this object is created.  The data * is attached to this object in the usual fashion, by using the * <code>setText</code>, <code>setContent</code>, or * <code>setDataHandler</code> methods. * * @since	JavaMail 1.4 */public class PreencodedMimeBodyPart extends MimeBodyPart {    private String encoding;    /**     * Create a PreencodedMimeBodyPart that assumes the data is     * encoded using the specified encoding.  The encoding must     * be a MIME supported Content-Transfer-Encoding.     */    public PreencodedMimeBodyPart(String encoding) {	this.encoding = encoding;    }    /**     * Returns the content transfer encoding specified when     * this object was created.     */    public String getEncoding() throws MessagingException {	return encoding;    }    /**     * Output the body part as an RFC 822 format stream.     *     * @exception MessagingException     * @exception IOException	if an error occurs writing to the     *				stream or if an error is generated     *				by the javax.activation layer.     * @see javax.activation.DataHandler#writeTo     */    public void writeTo(OutputStream os)			throws IOException, MessagingException {	// see if we already have a LOS	LineOutputStream los = null;	if (os instanceof LineOutputStream) {	    los = (LineOutputStream) os;	} else {	    los = new LineOutputStream(os);	}	// First, write out the header	Enumeration hdrLines = getAllHeaderLines();	while (hdrLines.hasMoreElements())	    los.writeln((String)hdrLines.nextElement());	// The CRLF separator between header and content	los.writeln();	// Finally, the content, already encoded.	getDataHandler().writeTo(os);	os.flush();    }    /**     * Force the <code>Content-Transfer-Encoding</code> header to use     * the encoding that was specified when this object was created.     */    protected void updateHeaders() throws MessagingException {	super.updateHeaders();	MimeBodyPart.setEncoding(this, encoding);    }}