jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/ValidatingUnmarshaller.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.xml.namespace.NamespaceContext;

    29 import javax.xml.validation.Schema;

    30 import javax.xml.validation.ValidatorHandler;

    32 import com.sun.xml.internal.bind.v2.util.FatalAdapter;

    34 import org.xml.sax.SAXException;

    36 /**

    37  * {@link XmlVisitor} decorator that validates the events by using JAXP validation API.

    38  *

    39  * @author Kohsuke Kawaguchi

    40  */

    41 final class ValidatingUnmarshaller implements XmlVisitor, XmlVisitor.TextPredictor {

    43     private final XmlVisitor next;

    44     private final ValidatorHandler validator;

    45     private NamespaceContext nsContext = null;

    47     /**

    48      * {@link TextPredictor} of the next {@link XmlVisitor}.

    49      */

    50     private final TextPredictor predictor;

    52     private char[] buf = new char[256];

    54     /**

    55      * Creates a new instance of ValidatingUnmarshaller.

    56      */

    57     public ValidatingUnmarshaller( Schema schema, XmlVisitor next ) {

    58         this.validator = schema.newValidatorHandler();

    59         this.next = next;

    60         this.predictor = next.getPredictor();

    61         // if the user bothers to use a validator, make validation errors fatal

    62         // so that it will abort unmarshalling.

    63         validator.setErrorHandler(new FatalAdapter(getContext()));

    64     }

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

    67         this.nsContext = nsContext;

    68         validator.setDocumentLocator(locator);

    69         validator.startDocument();

    70         next.startDocument(locator,nsContext);

    71     }

    73     public void endDocument() throws SAXException {

    74         this.nsContext = null;

    75         validator.endDocument();

    76         next.endDocument();

    77     }

    79     public void startElement(TagName tagName) throws SAXException {

    80         if(nsContext != null) {

    81             String tagNamePrefix = tagName.getPrefix().intern();

    82             if(tagNamePrefix != "") {

    83                 validator.startPrefixMapping(tagNamePrefix, nsContext.getNamespaceURI(tagNamePrefix));

    84             }

    85         }

    86         validator.startElement(tagName.uri,tagName.local,tagName.getQname(),tagName.atts);

    87         next.startElement(tagName);

    88     }

    90     public void endElement(TagName tagName ) throws SAXException {

    91         validator.endElement(tagName.uri,tagName.local,tagName.getQname());

    92         next.endElement(tagName);

    93     }

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

    96         validator.startPrefixMapping(prefix,nsUri);

    97         next.startPrefixMapping(prefix,nsUri);

    98     }

   100     public void endPrefixMapping(String prefix) throws SAXException {

   101         validator.endPrefixMapping(prefix);

   102         next.endPrefixMapping(prefix);

   103     }

   105     public void text( CharSequence pcdata ) throws SAXException {

   106         int len = pcdata.length();

   107         if(buf.length<len) {

   108             buf = new char[len];

   109         }

   110         for( int i=0;i<len; i++ )

   111             buf[i] = pcdata.charAt(i);  // isn't this kinda slow?

   113         validator.characters(buf,0,len);

   114         if(predictor.expectText())

   115             next.text(pcdata);

   116     }

   118     public UnmarshallingContext getContext() {

   119         return next.getContext();

   120     }

   122     public TextPredictor getPredictor() {

   123         return this;

   124     }

   126     // should be always invoked through TextPredictor

   127     @Deprecated

   128     public boolean expectText() {

   129         // validator needs to make sure that there's no text

   130         // even when it's not expected. So always have them

   131         // send text, ignoring optimization hints from the unmarshaller

   132         return true;

   133     }

   134 }

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