jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/InterningXmlVisitor.java@373ffda63c9a

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http://hg.openjdk.java.net/jdk8u/jdk8u/jaxws/
changeset: 657:d47a47f961ee
tag: jdk8u25-b17

     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.xml.namespace.NamespaceContext;

    30 import org.xml.sax.Attributes;

    31 import org.xml.sax.SAXException;

    33 /**

    34  * {@link XmlVisitor} decorator that interns all string tokens.

    35  *

    36  * @author Kohsuke Kawaguchi

    37  */

    38 public final class InterningXmlVisitor implements XmlVisitor {

    39     private final XmlVisitor next;

    41     private final AttributesImpl attributes = new AttributesImpl();

    43     public InterningXmlVisitor(XmlVisitor next) {

    44         this.next = next;

    45     }

    47     public void startDocument(LocatorEx locator, NamespaceContext nsContext) throws SAXException {

    48         next.startDocument(locator,nsContext);

    49     }

    51     public void endDocument() throws SAXException {

    52         next.endDocument();

    53     }

    55     public void startElement(TagName tagName ) throws SAXException {

    56         attributes.setAttributes(tagName.atts);

    57         tagName.atts = attributes;

    58         tagName.uri = intern(tagName.uri);

    59         tagName.local = intern(tagName.local);

    60         next.startElement(tagName);

    61     }

    63     public void endElement(TagName tagName ) throws SAXException {

    64         tagName.uri = intern(tagName.uri);

    65         tagName.local = intern(tagName.local);

    66         next.endElement(tagName);

    67     }

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

    70         next.startPrefixMapping(intern(prefix),intern(nsUri));

    71     }

    73     public void endPrefixMapping( String prefix ) throws SAXException {

    74         next.endPrefixMapping(intern(prefix));

    75     }

    77     public void text( CharSequence pcdata ) throws SAXException {

    78         next.text(pcdata);

    79     }

    81     public UnmarshallingContext getContext() {

    82         return next.getContext();

    83     }

    85     public TextPredictor getPredictor() {

    86         return next.getPredictor();

    87     }

    89     private static class AttributesImpl implements Attributes {

    90         private Attributes core;

    92         void setAttributes(Attributes att) {

    93             this.core = att;

    94         }

    96         public int getIndex(String qName) {

    97             return core.getIndex(qName);

    98         }

   100         public int getIndex(String uri, String localName) {

   101             return core.getIndex(uri, localName);

   102         }

   104         public int getLength() {

   105             return core.getLength();

   106         }

   108         public String getLocalName(int index) {

   109             return intern(core.getLocalName(index));

   110         }

   112         public String getQName(int index) {

   113             return intern(core.getQName(index));

   114         }

   116         public String getType(int index) {

   117             return intern(core.getType(index));

   118         }

   120         public String getType(String qName) {

   121             return intern(core.getType(qName));

   122         }

   124         public String getType(String uri, String localName) {

   125             return intern(core.getType(uri, localName));

   126         }

   128         public String getURI(int index) {

   129             return intern(core.getURI(index));

   130         }

   132         //

   133         // since values may vary a lot,

   134         // we don't (probably shouldn't) intern values.

   135         //

   137         public String getValue(int index) {

   138             return core.getValue(index);

   139         }

   141         public String getValue(String qName) {

   142             return core.getValue(qName);

   143         }

   145         public String getValue(String uri, String localName) {

   146             return core.getValue(uri, localName);

   147         }

   148     }

   150     private static String intern(String s) {

   151         if(s==null)     return null;

   152         else            return s.intern();

   153     }

   154 }

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