jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/encoding/MIMEPartStreamingDataHandler.java@6cd506508147

8026188: Enhance envelope factory
Summary: Avoiding caching data initialized via TCCL in static context; fix also reviewed by Alexander Fomin
Reviewed-by: ahgross, mgrebac, skoivu

     1 /*

     2  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

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     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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    23  * questions.

    24  */

    26 package com.sun.xml.internal.ws.encoding;

    28 import com.sun.xml.internal.org.jvnet.mimepull.MIMEPart;

    30 import javax.activation.DataSource;

    31 import java.io.InputStream;

    32 import java.io.IOException;

    33 import java.io.OutputStream;

    34 import java.io.File;

    36 import com.sun.xml.internal.ws.developer.StreamingDataHandler;

    38 /**

    39  * Implementation of {@link StreamingDataHandler} to access MIME

    40  * attachments efficiently. Applications can use the additional methods and decide

    41  * on how to access the attachment data in JAX-WS applications.

    42  *

    43  * <p>

    44  * for e.g.:

    45  *

    46  * DataHandler dh = proxy.getData();

    47  * StreamingDataHandler sdh = (StreamingDataHandler)dh;

    48  * // readOnce() doesn't store attachment on the disk in some cases

    49  * // for e.g when only one huge attachment after soap envelope part in MIME message

    50  * InputStream in = sdh.readOnce();

    51  * ...

    52  * in.close();

    53  * sdh.close();

    54  *

    55  * @author Jitendra Kotamraju

    56  */

    57 public class MIMEPartStreamingDataHandler extends StreamingDataHandler {

    58     private final StreamingDataSource ds;

    60     public MIMEPartStreamingDataHandler(MIMEPart part) {

    61         super(new StreamingDataSource(part));

    62         ds = (StreamingDataSource)getDataSource();

    63     }

    65     @Override

    66     public InputStream readOnce() throws IOException {

    67         return ds.readOnce();

    68     }

    70     @Override

    71     public void moveTo(File file) throws IOException {

    72         ds.moveTo(file);

    73     }

    75     @Override

    76     public void close() throws IOException {

    77         ds.close();

    78     }

    80     private static final class StreamingDataSource implements DataSource {

    81         private final MIMEPart part;

    83         StreamingDataSource(MIMEPart part) {

    84             this.part = part;

    85         }

    87         @Override

    88         public InputStream getInputStream() throws IOException {

    89             return part.read();             //readOnce() ??

    90         }

    92         InputStream readOnce() throws IOException {

    93             try {

    94                 return part.readOnce();

    95             } catch(Exception e) {

    96                 throw new MyIOException(e);

    97             }

    98         }

   100         void moveTo(File file) throws IOException {

   101             part.moveTo(file);

   102         }

   104         @Override

   105         public OutputStream getOutputStream() throws IOException {

   106             return null;

   107         }

   109         @Override

   110         public String getContentType() {

   111             return part.getContentType();

   112         }

   114         @Override

   115         public String getName() {

   116             return "";

   117         }

   119         public void close() throws IOException {

   120             part.close();

   121         }

   122     }

   124     private static final class MyIOException extends IOException {

   125         private final Exception linkedException;

   127         MyIOException(Exception linkedException) {

   128             this.linkedException = linkedException;

   129         }

   131         @Override

   132         public Throwable getCause() {

   133             return linkedException;

   134         }

   135     }

   137 }

Mercurial > jdk8-mips64-public > jaxws / file revision

src/share/jaxws_classes/com/sun/xml/internal/ws/encoding/MIMEPartStreamingDataHandler.java@6cd506508147

src/share/jaxws_classes/com/sun/xml/internal/ws/encoding/MIMEPartStreamingDataHandler.java