jdk8-mips64-public/jaxws: src/share/jaxws_classes/javax/xml/bind/annotation/W3CDomHandler.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 2005, 2013, 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 javax.xml.bind.annotation;

    28 import org.w3c.dom.Document;

    29 import org.w3c.dom.DocumentFragment;

    30 import org.w3c.dom.Element;

    31 import org.w3c.dom.Node;

    33 import javax.xml.bind.ValidationEventHandler;

    34 import javax.xml.parsers.DocumentBuilder;

    35 import javax.xml.transform.Source;

    36 import javax.xml.transform.dom.DOMResult;

    37 import javax.xml.transform.dom.DOMSource;

    39 /**

    40  * {@link DomHandler} implementation for W3C DOM (<code>org.w3c.dom</code> package.)

    41  *

    42  * @author Kohsuke Kawaguchi

    43  * @since JAXB2.0

    44  */

    45 public class W3CDomHandler implements DomHandler<Element,DOMResult> {

    47     private DocumentBuilder builder;

    49     /**

    50      * Default constructor.

    51      *

    52      * It is up to a JAXB provider to decide which DOM implementation

    53      * to use or how that is configured.

    54      */

    55     public W3CDomHandler() {

    56         this.builder = null;

    57     }

    59     /**

    60      * Constructor that allows applications to specify which DOM implementation

    61      * to be used.

    62      *

    63      * @param builder

    64      *      must not be null. JAXB uses this {@link DocumentBuilder} to create

    65      *      a new element.

    66      */

    67     public W3CDomHandler(DocumentBuilder builder) {

    68         if(builder==null)

    69             throw new IllegalArgumentException();

    70         this.builder = builder;

    71     }

    73     public DocumentBuilder getBuilder() {

    74         return builder;

    75     }

    77     public void setBuilder(DocumentBuilder builder) {

    78         this.builder = builder;

    79     }

    81     public DOMResult createUnmarshaller(ValidationEventHandler errorHandler) {

    82         if(builder==null)

    83             return new DOMResult();

    84         else

    85             return new DOMResult(builder.newDocument());

    86     }

    88     public Element getElement(DOMResult r) {

    89         // JAXP spec is ambiguous about what really happens in this case,

    90         // so work defensively

    91         Node n = r.getNode();

    92         if( n instanceof Document ) {

    93             return ((Document)n).getDocumentElement();

    94         }

    95         if( n instanceof Element )

    96             return (Element)n;

    97         if( n instanceof DocumentFragment )

    98             return (Element)n.getChildNodes().item(0);

   100         // if the result object contains something strange,

   101         // it is not a user problem, but it is a JAXB provider's problem.

   102         // That's why we throw a runtime exception.

   103         throw new IllegalStateException(n.toString());

   104     }

   106     public Source marshal(Element element, ValidationEventHandler errorHandler) {

   107         return new DOMSource(element);

   108     }

   109 }

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