jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/MTOMDecorator.java@e530533619ec

     1 /*

     2  * Copyright (c) 1997, 2011, 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

     6  * under the terms of the GNU General Public License version 2 only, as

     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

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package com.sun.xml.internal.bind.v2.runtime.unmarshaller;

    28 import javax.activation.DataHandler;

    29 import javax.xml.bind.attachment.AttachmentUnmarshaller;

    30 import javax.xml.namespace.NamespaceContext;

    32 import com.sun.xml.internal.bind.v2.WellKnownNamespace;

    34 import org.xml.sax.SAXException;

    36 /**

    37  * Decorator of {@link XmlVisitor} that performs XOP processing.

    38  * Used to support MTOM.

    39  *

    40  * @author Kohsuke Kawaguchi

    41  */

    42 final class MTOMDecorator implements XmlVisitor {

    44     private final XmlVisitor next;

    46     private final AttachmentUnmarshaller au;

    48     private UnmarshallerImpl parent;

    50     private final Base64Data base64data = new Base64Data();

    52     /**

    53      * True if we are between the start and the end of xop:Include

    54      */

    55     private boolean inXopInclude;

    57     /**

    58      * UGLY HACK: we need to ignore the whitespace that follows

    59      * the attached base64 image.

    60      *

    61      * This happens twice; once before &lt;/xop:Include>, another

    62      * after &lt;/xop:Include>. The spec guarantees that

    63      * no valid pcdata can follow &lt;/xop:Include>.

    64      */

    65     private boolean followXop;

    67     public MTOMDecorator(UnmarshallerImpl parent,XmlVisitor next, AttachmentUnmarshaller au) {

    68         this.parent = parent;

    69         this.next = next;

    70         this.au = au;

    71     }

    73     public void startDocument(LocatorEx loc, NamespaceContext nsContext) throws SAXException {

    74         next.startDocument(loc,nsContext);

    75     }

    77     public void endDocument() throws SAXException {

    78         next.endDocument();

    79     }

    81     public void startElement(TagName tagName) throws SAXException {

    82         if(tagName.local.equals("Include") && tagName.uri.equals(WellKnownNamespace.XOP)) {

    83             // found xop:Include

    84             String href = tagName.atts.getValue("href");

    85             DataHandler attachment = au.getAttachmentAsDataHandler(href);

    86             if(attachment==null) {

    87                 // report an error and ignore

    88                 parent.getEventHandler().handleEvent(null);

    89                 // TODO

    90             }

    91             base64data.set(attachment);

    92             next.text(base64data);

    93             inXopInclude = true;

    94             followXop = true;

    95         } else

    96             next.startElement(tagName);

    97     }

    99     public void endElement(TagName tagName) throws SAXException {

   100         if(inXopInclude) {

   101             // consume </xop:Include> by ourselves.

   102             inXopInclude = false;

   103             followXop = true;

   104             return;

   105         }

   106         next.endElement(tagName);

   107     }

   109     public void startPrefixMapping(String prefix, String nsUri) throws SAXException {

   110         next.startPrefixMapping(prefix,nsUri);

   111     }

   113     public void endPrefixMapping(String prefix) throws SAXException {

   114         next.endPrefixMapping(prefix);

   115     }

   117     public void text( CharSequence pcdata ) throws SAXException {

   118         if(!followXop)

   119             next.text(pcdata);

   120         else

   121             followXop = false;

   122     }

   124     public UnmarshallingContext getContext() {

   125         return next.getContext();

   126     }

   128     public TextPredictor getPredictor() {

   129         return next.getPredictor();

   130     }

   131 }

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