Mercurial > hg > release > icedtea7-forest-2.0 > jaxws
view sources/jaxws_src/src/com/sun/xml/internal/bind/v2/runtime/unmarshaller/XsiNilLoader.java @ 282:78c175236707
Update to jdk7-jaxws-2009_09_28.zip
author | andrew |
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date | Thu, 22 Sep 2011 02:57:13 +0100 |
parents | c608b38af726 |
children | 2a5e9984bdb8 |
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/* * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. */ package com.sun.xml.internal.bind.v2.runtime.unmarshaller; import com.sun.xml.internal.bind.DatatypeConverterImpl; import com.sun.xml.internal.bind.api.AccessorException; import com.sun.xml.internal.bind.v2.WellKnownNamespace; import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor; import java.util.Collection; import javax.xml.bind.JAXBElement; import javax.xml.namespace.QName; import org.xml.sax.SAXException; /** * Looks for xsi:nil='true' and sets the target to null. * Otherwise delegate to another handler. * * @author Kohsuke Kawaguchi */ public class XsiNilLoader extends ProxyLoader { private final Loader defaultLoader; public XsiNilLoader(Loader defaultLoader) { this.defaultLoader = defaultLoader; assert defaultLoader!=null; } protected Loader selectLoader(UnmarshallingContext.State state, TagName ea) throws SAXException { int idx = ea.atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE,"nil"); if (idx!=-1) { if (DatatypeConverterImpl._parseBoolean(ea.atts.getValue(idx))) { onNil(state); boolean hasOtherAttributes = (ea.atts.getLength() - 1) > 0; // see issues 6759703 and 565 - need to preserve attributes even if the element is nil; only when the type is stored in JAXBElement if (!(hasOtherAttributes && (state.prev.target instanceof JAXBElement))) { return Discarder.INSTANCE; } } } return defaultLoader; } @Override public Collection<QName> getExpectedChildElements() { return defaultLoader.getExpectedChildElements(); } /** * Called when xsi:nil='true' was found. */ protected void onNil(UnmarshallingContext.State state) throws SAXException { } public static final class Single extends XsiNilLoader { private final Accessor acc; public Single(Loader l, Accessor acc) { super(l); this.acc = acc; } @Override protected void onNil(UnmarshallingContext.State state) throws SAXException { try { acc.set(state.prev.target,null); state.prev.nil = true; } catch (AccessorException e) { handleGenericException(e,true); } } } public static final class Array extends XsiNilLoader { public Array(Loader core) { super(core); } @Override protected void onNil(UnmarshallingContext.State state) { // let the receiver add this to the lister state.target = null; } } }