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src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/XsiNilLoader.java@31893650acaf (annotated)

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

aoqi@0	1	/*
aefimov@650	2	* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
aoqi@0	27
aoqi@0	28	import java.util.Collection;
aoqi@0	29
aoqi@0	30	import javax.xml.bind.JAXBElement;
aoqi@0	31	import javax.xml.namespace.QName;
aoqi@0	32
aoqi@0	33	import com.sun.xml.internal.bind.DatatypeConverterImpl;
aoqi@0	34	import com.sun.xml.internal.bind.api.AccessorException;
aoqi@0	35	import com.sun.xml.internal.bind.v2.WellKnownNamespace;
aoqi@0	36	import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
aoqi@0	37
aoqi@0	38	import org.xml.sax.SAXException;
aoqi@0	39
aoqi@0	40	/**
aoqi@0	41	* Looks for xsi:nil='true' and sets the target to null.
aoqi@0	42	* Otherwise delegate to another handler.
aoqi@0	43	*
aoqi@0	44	* @author Kohsuke Kawaguchi
aoqi@0	45	*/
aoqi@0	46	public class XsiNilLoader extends ProxyLoader {
aoqi@0	47
aoqi@0	48	private final Loader defaultLoader;
aoqi@0	49
aoqi@0	50	public XsiNilLoader(Loader defaultLoader) {
aoqi@0	51	this.defaultLoader = defaultLoader;
aoqi@0	52	assert defaultLoader!=null;
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	protected Loader selectLoader(UnmarshallingContext.State state, TagName ea) throws SAXException {
aoqi@0	56	int idx = ea.atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE,"nil");
aoqi@0	57
aoqi@0	58	if (idx!=-1) {
aoqi@0	59	Boolean b = DatatypeConverterImpl._parseBoolean(ea.atts.getValue(idx));
aoqi@0	60
aoqi@0	61	if (b != null && b) {
aoqi@0	62	onNil(state);
aoqi@0	63	boolean hasOtherAttributes = (ea.atts.getLength() - 1) > 0;
aoqi@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
aefimov@650	65	if (!(hasOtherAttributes && (state.getPrev().getTarget() instanceof JAXBElement))) {
aoqi@0	66	return Discarder.INSTANCE;
aoqi@0	67	}
aoqi@0	68	}
aoqi@0	69	}
aoqi@0	70	return defaultLoader;
aoqi@0	71	}
aoqi@0	72
aoqi@0	73	@Override
aoqi@0	74	public Collection<QName> getExpectedChildElements() {
aoqi@0	75	return defaultLoader.getExpectedChildElements();
aoqi@0	76	}
aoqi@0	77
aoqi@0	78	@Override
aoqi@0	79	public Collection<QName> getExpectedAttributes() {
aoqi@0	80	return defaultLoader.getExpectedAttributes();
aoqi@0	81	}
aoqi@0	82
aoqi@0	83	/**
aoqi@0	84	* Called when xsi:nil='true' was found.
aoqi@0	85	*/
aoqi@0	86	protected void onNil(UnmarshallingContext.State state) throws SAXException {
aoqi@0	87	}
aoqi@0	88
aoqi@0	89	public static final class Single extends XsiNilLoader {
aoqi@0	90	private final Accessor acc;
aoqi@0	91	public Single(Loader l, Accessor acc) {
aoqi@0	92	super(l);
aoqi@0	93	this.acc = acc;
aoqi@0	94	}
aoqi@0	95
aoqi@0	96	@Override
aoqi@0	97	protected void onNil(UnmarshallingContext.State state) throws SAXException {
aoqi@0	98	try {
aefimov@650	99	acc.set(state.getPrev().getTarget(),null);
aefimov@650	100	state.getPrev().setNil(true);
aoqi@0	101	} catch (AccessorException e) {
aoqi@0	102	handleGenericException(e,true);
aoqi@0	103	}
aoqi@0	104	}
aoqi@0	105
aoqi@0	106	}
aoqi@0	107
aoqi@0	108	public static final class Array extends XsiNilLoader {
aoqi@0	109	public Array(Loader core) {
aoqi@0	110	super(core);
aoqi@0	111	}
aoqi@0	112
aoqi@0	113	@Override
aoqi@0	114	protected void onNil(UnmarshallingContext.State state) {
aoqi@0	115	// let the receiver add this to the lister
aefimov@650	116	state.setTarget(null);
aoqi@0	117	}
aoqi@0	118	}
aoqi@0	119	}