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Java example source code file (MimePartDataSource.java)
The MimePartDataSource.java Java example source code/* * Copyright (c) 1997, 2012, 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 java.io.*; import java.net.UnknownServiceException; import javax.activation.DataSource; import com.sun.xml.internal.messaging.saaj.packaging.mime.MessagingException; /** * 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. */ 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() method and decodes * it using the <code>MimeUtility.decode() method. * * @return decoded input stream */ 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. */ public OutputStream getOutputStream() throws IOException { throw new UnknownServiceException(); } /** * Returns the content-type of this DataSource. <p> * * This implementation just invokes the <code>getContentType * method on the MimeBodyPart. */ public String getContentType() { return part.getContentType(); } /** * DataSource method to return a name. <p> * * This implementation just returns an empty string. */ public String getName() { try { return part.getFileName(); } catch (MessagingException mex) { return ""; } } } Other Java examples (source code examples)Here is a short list of links related to this Java MimePartDataSource.java source code file: |
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