src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/XsiNilLoader.java

Sun, 31 Aug 2014 16:14:36 +0400

author
aefimov
date
Sun, 31 Aug 2014 16:14:36 +0400
changeset 707
31893650acaf
parent 650
121e938cb9c3
permissions
-rw-r--r--

8036981: JAXB not preserving formatting for xsd:any Mixed content
Reviewed-by: lancea, mkos

     1 /*
     2  * Copyright (c) 1997, 2014, 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 java.util.Collection;
    30 import javax.xml.bind.JAXBElement;
    31 import javax.xml.namespace.QName;
    33 import com.sun.xml.internal.bind.DatatypeConverterImpl;
    34 import com.sun.xml.internal.bind.api.AccessorException;
    35 import com.sun.xml.internal.bind.v2.WellKnownNamespace;
    36 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
    38 import org.xml.sax.SAXException;
    40 /**
    41  * Looks for xsi:nil='true' and sets the target to null.
    42  * Otherwise delegate to another handler.
    43  *
    44  * @author Kohsuke Kawaguchi
    45  */
    46 public class XsiNilLoader extends ProxyLoader {
    48     private final Loader defaultLoader;
    50     public XsiNilLoader(Loader defaultLoader) {
    51         this.defaultLoader = defaultLoader;
    52         assert defaultLoader!=null;
    53     }
    55     protected Loader selectLoader(UnmarshallingContext.State state, TagName ea) throws SAXException {
    56         int idx = ea.atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE,"nil");
    58         if (idx!=-1) {
    59             Boolean b = DatatypeConverterImpl._parseBoolean(ea.atts.getValue(idx));
    61             if (b != null && b) {
    62                 onNil(state);
    63                 boolean hasOtherAttributes = (ea.atts.getLength() - 1) > 0;
    64                 // see issues 6759703 and 565 - need to preserve attributes even if the element is nil; only when the type is stored in JAXBElement
    65                 if (!(hasOtherAttributes && (state.getPrev().getTarget() instanceof JAXBElement))) {
    66                     return Discarder.INSTANCE;
    67                 }
    68             }
    69         }
    70         return defaultLoader;
    71     }
    73         @Override
    74         public Collection<QName> getExpectedChildElements() {
    75             return defaultLoader.getExpectedChildElements();
    76         }
    78         @Override
    79         public Collection<QName> getExpectedAttributes() {
    80             return defaultLoader.getExpectedAttributes();
    81         }
    83     /**
    84      * Called when xsi:nil='true' was found.
    85      */
    86     protected void onNil(UnmarshallingContext.State state) throws SAXException {
    87     }
    89     public static final class Single extends XsiNilLoader {
    90         private final Accessor acc;
    91         public Single(Loader l, Accessor acc) {
    92             super(l);
    93             this.acc = acc;
    94         }
    96         @Override
    97         protected void onNil(UnmarshallingContext.State state) throws SAXException {
    98             try {
    99                 acc.set(state.getPrev().getTarget(),null);
   100                 state.getPrev().setNil(true);
   101             } catch (AccessorException e) {
   102                 handleGenericException(e,true);
   103             }
   104         }
   106     }
   108     public static final class Array extends XsiNilLoader {
   109         public Array(Loader core) {
   110             super(core);
   111         }
   113         @Override
   114         protected void onNil(UnmarshallingContext.State state) {
   115             // let the receiver add this to the lister
   116             state.setTarget(null);
   117         }
   118     }
   119 }

mercurial