1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/XsiNilLoader.java Wed Apr 27 01:27:09 2016 +0800
1.3 @@ -0,0 +1,119 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
1.30 +
1.31 +import java.util.Collection;
1.32 +
1.33 +import javax.xml.bind.JAXBElement;
1.34 +import javax.xml.namespace.QName;
1.35 +
1.36 +import com.sun.xml.internal.bind.DatatypeConverterImpl;
1.37 +import com.sun.xml.internal.bind.api.AccessorException;
1.38 +import com.sun.xml.internal.bind.v2.WellKnownNamespace;
1.39 +import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
1.40 +
1.41 +import org.xml.sax.SAXException;
1.42 +
1.43 +/**
1.44 + * Looks for xsi:nil='true' and sets the target to null.
1.45 + * Otherwise delegate to another handler.
1.46 + *
1.47 + * @author Kohsuke Kawaguchi
1.48 + */
1.49 +public class XsiNilLoader extends ProxyLoader {
1.50 +
1.51 + private final Loader defaultLoader;
1.52 +
1.53 + public XsiNilLoader(Loader defaultLoader) {
1.54 + this.defaultLoader = defaultLoader;
1.55 + assert defaultLoader!=null;
1.56 + }
1.57 +
1.58 + protected Loader selectLoader(UnmarshallingContext.State state, TagName ea) throws SAXException {
1.59 + int idx = ea.atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE,"nil");
1.60 +
1.61 + if (idx!=-1) {
1.62 + Boolean b = DatatypeConverterImpl._parseBoolean(ea.atts.getValue(idx));
1.63 +
1.64 + if (b != null && b) {
1.65 + onNil(state);
1.66 + boolean hasOtherAttributes = (ea.atts.getLength() - 1) > 0;
1.67 + // see issues 6759703 and 565 - need to preserve attributes even if the element is nil; only when the type is stored in JAXBElement
1.68 + if (!(hasOtherAttributes && (state.prev.target instanceof JAXBElement))) {
1.69 + return Discarder.INSTANCE;
1.70 + }
1.71 + }
1.72 + }
1.73 + return defaultLoader;
1.74 + }
1.75 +
1.76 + @Override
1.77 + public Collection<QName> getExpectedChildElements() {
1.78 + return defaultLoader.getExpectedChildElements();
1.79 + }
1.80 +
1.81 + @Override
1.82 + public Collection<QName> getExpectedAttributes() {
1.83 + return defaultLoader.getExpectedAttributes();
1.84 + }
1.85 +
1.86 + /**
1.87 + * Called when xsi:nil='true' was found.
1.88 + */
1.89 + protected void onNil(UnmarshallingContext.State state) throws SAXException {
1.90 + }
1.91 +
1.92 + public static final class Single extends XsiNilLoader {
1.93 + private final Accessor acc;
1.94 + public Single(Loader l, Accessor acc) {
1.95 + super(l);
1.96 + this.acc = acc;
1.97 + }
1.98 +
1.99 + @Override
1.100 + protected void onNil(UnmarshallingContext.State state) throws SAXException {
1.101 + try {
1.102 + acc.set(state.prev.target,null);
1.103 + state.prev.nil = true;
1.104 + } catch (AccessorException e) {
1.105 + handleGenericException(e,true);
1.106 + }
1.107 + }
1.108 +
1.109 + }
1.110 +
1.111 + public static final class Array extends XsiNilLoader {
1.112 + public Array(Loader core) {
1.113 + super(core);
1.114 + }
1.115 +
1.116 + @Override
1.117 + protected void onNil(UnmarshallingContext.State state) {
1.118 + // let the receiver add this to the lister
1.119 + state.target = null;
1.120 + }
1.121 + }
1.122 +}
