Mercurial > hg > release > icedtea7-forest-2.1 > jaxws
view sources/jaxws_src/src/com/sun/xml/internal/ws/encoding/MIMEPartStreamingDataHandler.java @ 282:78c175236707
Update to jdk7-jaxws-2009_09_28.zip
author | andrew |
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date | Thu, 22 Sep 2011 02:57:13 +0100 |
parents | |
children | 4f4a2cd249d8 |
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/* * Copyright 2005-2006 Sun Microsystems, Inc. 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. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. */ package com.sun.xml.internal.ws.encoding; import com.sun.xml.internal.org.jvnet.mimepull.MIMEPart; import javax.activation.DataSource; import java.io.InputStream; import java.io.IOException; import java.io.OutputStream; import java.io.File; import com.sun.xml.internal.ws.developer.StreamingDataHandler; /** * Implementation of {@link StreamingDataHandler} to access MIME * attachments efficiently. Applications can use the additional methods and decide * on how to access the attachment data in JAX-WS applications. * * <p> * for e.g.: * * DataHandler dh = proxy.getData(); * StreamingDataHandler sdh = (StreamingDataHandler)dh; * // readOnce() doesn't store attachment on the disk in some cases * // for e.g when only one huge attachment after soap envelope part in MIME message * InputStream in = sdh.readOnce(); * ... * in.close(); * sdh.close(); * * @author Jitendra Kotamraju */ public class MIMEPartStreamingDataHandler extends StreamingDataHandler { private final StreamingDataSource ds; public MIMEPartStreamingDataHandler(MIMEPart part) { super(new StreamingDataSource(part)); ds = (StreamingDataSource)getDataSource(); } public InputStream readOnce() throws IOException { return ds.readOnce(); } public void moveTo(File file) throws IOException { ds.moveTo(file); } public void close() throws IOException { ds.close(); } private static final class StreamingDataSource implements DataSource { private final MIMEPart part; StreamingDataSource(MIMEPart part) { this.part = part; } public InputStream getInputStream() throws IOException { return part.read(); //readOnce() ?? } InputStream readOnce() throws IOException { try { return part.readOnce(); } catch(Exception e) { throw new MyIOException(e); } } void moveTo(File file) throws IOException { part.moveTo(file); } public OutputStream getOutputStream() throws IOException { return null; } public String getContentType() { return part.getContentType(); } public String getName() { return ""; } public void close() throws IOException { part.close(); } } private static final class MyIOException extends IOException { private final Exception linkedException; MyIOException(Exception linkedException) { this.linkedException = linkedException; } @Override public Throwable getCause() { return linkedException; } } }