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src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/Scope.java@121e938cb9c3 (annotated)

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

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

author

aefimov

date

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

changeset 650

121e938cb9c3

parent 0

373ffda63c9a

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 com.sun.xml.internal.bind.api.AccessorException;
aoqi@0	29	import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
aoqi@0	30	import com.sun.xml.internal.bind.v2.runtime.reflect.Lister;
aoqi@0	31
aoqi@0	32	import org.xml.sax.SAXException;
aoqi@0	33
aoqi@0	34	/**
aoqi@0	35	* Holds the information about packing scope.
aoqi@0	36	*
aoqi@0	37	* <p>
aoqi@0	38	* When no packing is started yet, all the fields should be set to null.
aoqi@0	39	*
aoqi@0	40	* @author Kohsuke Kawaguchi
aoqi@0	41	*/
aoqi@0	42	public final class Scope<BeanT,PropT,ItemT,PackT> {
aoqi@0	43
aoqi@0	44	public final UnmarshallingContext context;
aoqi@0	45
aoqi@0	46	private BeanT bean;
aoqi@0	47	private Accessor<BeanT,PropT> acc;
aoqi@0	48	private PackT pack;
aoqi@0	49	private Lister<BeanT,PropT,ItemT,PackT> lister;
aoqi@0	50
aoqi@0	51	Scope(UnmarshallingContext context) {
aoqi@0	52	this.context = context;
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	/**
aoqi@0	56	* Returns true if this scope object is filled by a packing in progress.
aoqi@0	57	*/
aoqi@0	58	public boolean hasStarted() {
aoqi@0	59	return bean!=null;
aoqi@0	60	}
aoqi@0	61
aoqi@0	62	/**
aoqi@0	63	* Initializes all the fields to null.
aoqi@0	64	*/
aoqi@0	65	public void reset() {
aoqi@0	66	if(bean==null) {
aoqi@0	67	// already initialized
aoqi@0	68	assert clean();
aoqi@0	69	return;
aoqi@0	70	}
aoqi@0	71
aoqi@0	72	bean = null;
aoqi@0	73	acc = null;
aoqi@0	74	pack = null;
aoqi@0	75	lister = null;
aoqi@0	76	}
aoqi@0	77
aoqi@0	78	/**
aoqi@0	79	* Finishes up the current packing in progress (if any) and
aoqi@0	80	* resets this object.
aoqi@0	81	*/
aoqi@0	82	public void finish() throws AccessorException {
aoqi@0	83	if(hasStarted()) {
aoqi@0	84	lister.endPacking(pack,bean,acc);
aoqi@0	85	reset();
aoqi@0	86	}
aoqi@0	87	assert clean();
aoqi@0	88	}
aoqi@0	89
aoqi@0	90	private boolean clean() {
aoqi@0	91	return bean==null && acc==null && pack==null && lister==null;
aoqi@0	92	}
aoqi@0	93
aoqi@0	94	/**
aoqi@0	95	* Adds a new item to this packing scope.
aoqi@0	96	*/
aoqi@0	97	public void add( Accessor<BeanT,PropT> acc, Lister<BeanT,PropT,ItemT,PackT> lister, ItemT value) throws SAXException{
aoqi@0	98	try {
aoqi@0	99	if(!hasStarted()) {
aefimov@650	100	this.bean = (BeanT)context.getCurrentState().getTarget();
aoqi@0	101	this.acc = acc;
aoqi@0	102	this.lister = lister;
aoqi@0	103	this.pack = lister.startPacking(bean,acc);
aoqi@0	104	}
aoqi@0	105
aoqi@0	106	lister.addToPack(pack,value);
aoqi@0	107	} catch (AccessorException e) {
aoqi@0	108	Loader.handleGenericException(e,true);
aoqi@0	109	// recover from this error by ignoring future items.
aoqi@0	110	this.lister = Lister.getErrorInstance();
aoqi@0	111	this.acc = Accessor.getErrorInstance();
aoqi@0	112	}
aoqi@0	113	}
aoqi@0	114
aoqi@0	115	/**
aoqi@0	116	* Starts the packing scope, without adding any item.
aoqi@0	117	*
aoqi@0	118	* This allows us to return an empty pack, thereby allowing the user
aoqi@0	119	* to distinguish empty array vs null array.
aoqi@0	120	*/
aoqi@0	121	public void start( Accessor<BeanT,PropT> acc, Lister<BeanT,PropT,ItemT,PackT> lister) throws SAXException{
aoqi@0	122	try {
aoqi@0	123	if(!hasStarted()) {
aefimov@650	124	this.bean = (BeanT)context.getCurrentState().getTarget();
aoqi@0	125	this.acc = acc;
aoqi@0	126	this.lister = lister;
aoqi@0	127	this.pack = lister.startPacking(bean,acc);
aoqi@0	128	}
aoqi@0	129	} catch (AccessorException e) {
aoqi@0	130	Loader.handleGenericException(e,true);
aoqi@0	131	// recover from this error by ignoring future items.
aoqi@0	132	this.lister = Lister.getErrorInstance();
aoqi@0	133	this.acc = Accessor.getErrorInstance();
aoqi@0	134	}
aoqi@0	135	}
aoqi@0	136	}