| /* |
| * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @(#)MimePartDataSource.java 1.9 02/03/27 |
| */ |
| |
| |
| package com.sun.xml.internal.messaging.saaj.packaging.mime.internet; |
| |
| import com.sun.xml.internal.messaging.saaj.packaging.mime.MessagingException; |
| |
| import javax.activation.DataSource; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.UnknownServiceException; |
| |
| /** |
| * A utility class that implements a DataSource out of |
| * a MimeBodyPart. This class is primarily meant for service providers. |
| * |
| * @author John Mani |
| */ |
| |
| public final class MimePartDataSource implements DataSource { |
| private final MimeBodyPart part; |
| |
| /** |
| * Constructor, that constructs a DataSource from a MimeBodyPart. |
| * |
| * @param part body part |
| */ |
| public MimePartDataSource(MimeBodyPart part) { |
| this.part = part; |
| } |
| |
| /** |
| * Returns an input stream from this MimeBodyPart. <p> |
| * |
| * This method applies the appropriate transfer-decoding, based |
| * on the Content-Transfer-Encoding attribute of this MimeBodyPart. |
| * Thus the returned input stream is a decoded stream of bytes.<p> |
| * |
| * This implementation obtains the raw content from the MimeBodyPart |
| * using the <code>getContentStream()</code> method and decodes |
| * it using the <code>MimeUtility.decode()</code> method. |
| * |
| * @return decoded input stream |
| */ |
| @Override |
| public InputStream getInputStream() throws IOException { |
| |
| try { |
| InputStream is = part.getContentStream(); |
| |
| String encoding = part.getEncoding(); |
| if (encoding != null) |
| return MimeUtility.decode(is, encoding); |
| else |
| return is; |
| } catch (MessagingException mex) { |
| throw new IOException(mex.getMessage()); |
| } |
| } |
| |
| /** |
| * DataSource method to return an output stream. <p> |
| * |
| * This implementation throws the UnknownServiceException. |
| */ |
| @Override |
| public OutputStream getOutputStream() throws IOException { |
| throw new UnknownServiceException(); |
| } |
| |
| /** |
| * Returns the content-type of this DataSource. <p> |
| * |
| * This implementation just invokes the <code>getContentType</code> |
| * method on the MimeBodyPart. |
| */ |
| @Override |
| public String getContentType() { |
| return part.getContentType(); |
| } |
| |
| /** |
| * DataSource method to return a name. <p> |
| * |
| * This implementation just returns an empty string. |
| */ |
| @Override |
| public String getName() { |
| try { |
| return part.getFileName(); |
| } catch (MessagingException mex) { |
| return ""; |
| } |
| } |
| } |