src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/property/ArrayERProperty.java

changeset 286
f50545b5e2f1
parent 0
373ffda63c9a
child 650
121e938cb9c3
     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/property/ArrayERProperty.java	Tue Mar 06 16:09:35 2012 -0800
     1.3 @@ -0,0 +1,200 @@
     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.property;
    1.30 +
    1.31 +import java.io.IOException;
    1.32 +import java.util.Collection;
    1.33 +
    1.34 +import javax.xml.namespace.QName;
    1.35 +import javax.xml.stream.XMLStreamException;
    1.36 +
    1.37 +import com.sun.xml.internal.bind.api.AccessorException;
    1.38 +import com.sun.xml.internal.bind.v2.util.QNameMap;
    1.39 +import com.sun.xml.internal.bind.v2.model.runtime.RuntimePropertyInfo;
    1.40 +import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
    1.41 +import com.sun.xml.internal.bind.v2.runtime.Name;
    1.42 +import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
    1.43 +import com.sun.xml.internal.bind.v2.runtime.reflect.Lister;
    1.44 +import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
    1.45 +import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader;
    1.46 +import com.sun.xml.internal.bind.v2.runtime.unmarshaller.TagName;
    1.47 +import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Loader;
    1.48 +import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Receiver;
    1.49 +import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Scope;
    1.50 +import com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext;
    1.51 +import com.sun.xml.internal.bind.v2.runtime.unmarshaller.XsiNilLoader;
    1.52 +
    1.53 +import org.xml.sax.SAXException;
    1.54 +
    1.55 +/**
    1.56 + * Commonality between {@link ArrayElementProperty} and {@link ArrayReferenceNodeProperty}.
    1.57 + *
    1.58 + * Mostly handles the unmarshalling of the wrapper element.
    1.59 + *
    1.60 + * @author Kohsuke Kawaguchi
    1.61 + */
    1.62 +abstract class ArrayERProperty<BeanT,ListT,ItemT> extends ArrayProperty<BeanT,ListT,ItemT> {
    1.63 +
    1.64 +    /**
    1.65 +     * Wrapper tag name if any, or null.
    1.66 +     */
    1.67 +    protected final Name wrapperTagName;
    1.68 +
    1.69 +    /**
    1.70 +     * True if the wrapper tag name is nillable.
    1.71 +     * Always false if {@link #wrapperTagName}==null.
    1.72 +     */
    1.73 +    protected final boolean isWrapperNillable;
    1.74 +
    1.75 +    protected ArrayERProperty(JAXBContextImpl grammar, RuntimePropertyInfo prop, QName tagName, boolean isWrapperNillable) {
    1.76 +        super(grammar,prop);
    1.77 +        if(tagName==null)
    1.78 +            this.wrapperTagName = null;
    1.79 +        else
    1.80 +            this.wrapperTagName = grammar.nameBuilder.createElementName(tagName);
    1.81 +        this.isWrapperNillable = isWrapperNillable;
    1.82 +    }
    1.83 +
    1.84 +    /**
    1.85 +     * Used to handle the collection wrapper element.
    1.86 +     */
    1.87 +    private static final class ItemsLoader extends Loader {
    1.88 +
    1.89 +        private final Accessor acc;
    1.90 +        private final Lister lister;
    1.91 +
    1.92 +        public ItemsLoader(Accessor acc, Lister lister, QNameMap<ChildLoader> children) {
    1.93 +            super(false);
    1.94 +            this.acc = acc;
    1.95 +            this.lister = lister;
    1.96 +            this.children = children;
    1.97 +        }
    1.98 +
    1.99 +        @Override
   1.100 +        public void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
   1.101 +            UnmarshallingContext context = state.getContext();
   1.102 +            context.startScope(1);
   1.103 +            // inherit the target so that our children can access its target
   1.104 +            state.target = state.prev.target;
   1.105 +
   1.106 +            // start it now, so that even if there's no children we can still return empty collection
   1.107 +            context.getScope(0).start(acc,lister);
   1.108 +        }
   1.109 +
   1.110 +        private final QNameMap<ChildLoader> children;
   1.111 +
   1.112 +        @Override
   1.113 +        public void childElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
   1.114 +            ChildLoader child = children.get(ea.uri,ea.local);
   1.115 +            if (child == null) {
   1.116 +                child = children.get(CATCH_ALL);
   1.117 +            }
   1.118 +            if (child == null) {
   1.119 +                super.childElement(state,ea);
   1.120 +                return;
   1.121 +            }
   1.122 +            state.loader = child.loader;
   1.123 +            state.receiver = child.receiver;
   1.124 +        }
   1.125 +
   1.126 +        @Override
   1.127 +        public void leaveElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
   1.128 +            state.getContext().endScope(1);
   1.129 +        }
   1.130 +
   1.131 +        @Override
   1.132 +        public Collection<QName> getExpectedChildElements() {
   1.133 +            return children.keySet();
   1.134 +        }
   1.135 +    }
   1.136 +
   1.137 +    public final void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException {
   1.138 +        ListT list = acc.get(o);
   1.139 +
   1.140 +        if(list!=null) {
   1.141 +            if(wrapperTagName!=null) {
   1.142 +                w.startElement(wrapperTagName,null);
   1.143 +                w.endNamespaceDecls(list);
   1.144 +                w.endAttributes();
   1.145 +            }
   1.146 +
   1.147 +            serializeListBody(o,w,list);
   1.148 +
   1.149 +            if(wrapperTagName!=null)
   1.150 +                w.endElement();
   1.151 +        } else {
   1.152 +            // list is null
   1.153 +            if(isWrapperNillable) {
   1.154 +                w.startElement(wrapperTagName,null);
   1.155 +                w.writeXsiNilTrue();
   1.156 +                w.endElement();
   1.157 +            } // otherwise don't print the wrapper tag name
   1.158 +        }
   1.159 +    }
   1.160 +
   1.161 +    /**
   1.162 +     * Serializes the items of the list.
   1.163 +     * This method is invoked after the necessary wrapper tag is produced (if necessary.)
   1.164 +     *
   1.165 +     * @param list
   1.166 +     *      always non-null.
   1.167 +     */
   1.168 +    protected abstract void serializeListBody(BeanT o, XMLSerializer w, ListT list) throws IOException, XMLStreamException, SAXException, AccessorException;
   1.169 +
   1.170 +    /**
   1.171 +     * Creates the unmarshaler to unmarshal the body.
   1.172 +     */
   1.173 +    protected abstract void createBodyUnmarshaller(UnmarshallerChain chain, QNameMap<ChildLoader> loaders);
   1.174 +
   1.175 +
   1.176 +    public final void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> loaders) {
   1.177 +        if(wrapperTagName!=null) {
   1.178 +            UnmarshallerChain c = new UnmarshallerChain(chain.context);
   1.179 +            QNameMap<ChildLoader> m = new QNameMap<ChildLoader>();
   1.180 +            createBodyUnmarshaller(c,m);
   1.181 +            Loader loader = new ItemsLoader(acc, lister, m);
   1.182 +            if(isWrapperNillable || chain.context.allNillable)
   1.183 +                loader = new XsiNilLoader(loader);
   1.184 +            loaders.put(wrapperTagName,new ChildLoader(loader,null));
   1.185 +        } else {
   1.186 +            createBodyUnmarshaller(chain,loaders);
   1.187 +        }
   1.188 +    }
   1.189 +
   1.190 +    /**
   1.191 +     * {@link Receiver} that puts the child object into the {@link Scope} object.
   1.192 +     */
   1.193 +    protected final class ReceiverImpl implements Receiver {
   1.194 +        private final int offset;
   1.195 +
   1.196 +        protected ReceiverImpl(int offset) {
   1.197 +            this.offset = offset;
   1.198 +        }
   1.199 +
   1.200 +        public void receive(UnmarshallingContext.State state, Object o) throws SAXException {
   1.201 +            state.getContext().getScope(offset).add(acc,lister,o);
   1.202 +        }
   1.203 +    }}

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