ohair@286: /*
alanb@368:  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
ohair@286:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286:  *
ohair@286:  * This code is free software; you can redistribute it and/or modify it
ohair@286:  * under the terms of the GNU General Public License version 2 only, as
ohair@286:  * published by the Free Software Foundation.  Oracle designates this
ohair@286:  * particular file as subject to the "Classpath" exception as provided
ohair@286:  * by Oracle in the LICENSE file that accompanied this code.
ohair@286:  *
ohair@286:  * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@286:  * version 2 for more details (a copy is included in the LICENSE file that
ohair@286:  * accompanied this code).
ohair@286:  *
ohair@286:  * You should have received a copy of the GNU General Public License version
ohair@286:  * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286:  *
ohair@286:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286:  * or visit www.oracle.com if you need additional information or have any
ohair@286:  * questions.
ohair@286:  */
ohair@286: 
ohair@286: package com.sun.xml.internal.bind.v2.runtime.property;
ohair@286: 
ohair@286: import java.io.IOException;
ohair@286: 
ohair@286: import javax.xml.stream.XMLStreamException;
ohair@286: 
ohair@286: import com.sun.xml.internal.bind.api.AccessorException;
ohair@286: import com.sun.xml.internal.bind.v2.util.QNameMap;
ohair@286: import com.sun.xml.internal.bind.v2.model.core.ElementPropertyInfo;
ohair@286: import com.sun.xml.internal.bind.v2.model.core.PropertyKind;
ohair@286: import com.sun.xml.internal.bind.v2.model.runtime.RuntimeElementPropertyInfo;
ohair@286: import com.sun.xml.internal.bind.v2.model.runtime.RuntimeTypeRef;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.Name;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.Transducer;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.reflect.ListTransducedAccessorImpl;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader;
alanb@368: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.DefaultValueLoaderDecorator;
ohair@286: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.LeafPropertyLoader;
alanb@368: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Loader;
ohair@286: 
ohair@286: import org.xml.sax.SAXException;
ohair@286: 
ohair@286: /**
ohair@286:  * {@link Property} implementation for {@link ElementPropertyInfo} whose
ohair@286:  * {@link ElementPropertyInfo#isValueList()} is true.
ohair@286:  *
ohair@286:  * @author Kohsuke Kawaguchi
ohair@286:  */
ohair@286: final class ListElementProperty<BeanT,ListT,ItemT> extends ArrayProperty<BeanT,ListT,ItemT> {
ohair@286: 
ohair@286:     private final Name tagName;
alanb@368:     private final String defaultValue;
alanb@368: 
ohair@286:     /**
ohair@286:      * Converts all the values to a list and back.
ohair@286:      */
ohair@286:     private final TransducedAccessor<BeanT> xacc;
ohair@286: 
ohair@286:     public ListElementProperty(JAXBContextImpl grammar, RuntimeElementPropertyInfo prop) {
ohair@286:         super(grammar, prop);
ohair@286: 
ohair@286:         assert prop.isValueList();
ohair@286:         assert prop.getTypes().size()==1;   // required by the contract of isValueList
ohair@286:         RuntimeTypeRef ref = prop.getTypes().get(0);
ohair@286: 
ohair@286:         tagName = grammar.nameBuilder.createElementName(ref.getTagName());
alanb@368:         defaultValue = ref.getDefaultValue();
ohair@286: 
ohair@286:         // transducer for each item
ohair@286:         Transducer xducer = ref.getTransducer();
ohair@286:         // transduced accessor for the whole thing
ohair@286:         xacc = new ListTransducedAccessorImpl(xducer,acc,lister);
ohair@286:     }
ohair@286: 
ohair@286:     public PropertyKind getKind() {
ohair@286:         return PropertyKind.ELEMENT;
ohair@286:     }
ohair@286: 
ohair@286:     public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> handlers) {
alanb@368:         Loader l = new LeafPropertyLoader(xacc);
alanb@368:         l = new DefaultValueLoaderDecorator(l, defaultValue);
alanb@368:         handlers.put(tagName, new ChildLoader(l,null));
ohair@286:     }
ohair@286: 
ohair@286:     @Override
ohair@286:     public void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException {
ohair@286:         ListT list = acc.get(o);
ohair@286: 
ohair@286:         if(list!=null) {
ohair@286:             if(xacc.useNamespace()) {
ohair@286:                 w.startElement(tagName,null);
ohair@286:                 xacc.declareNamespace(o,w);
ohair@286:                 w.endNamespaceDecls(list);
ohair@286:                 w.endAttributes();
ohair@286:                 xacc.writeText(w,o,fieldName);
ohair@286:                 w.endElement();
ohair@286:             } else {
ohair@286:                 xacc.writeLeafElement(w, tagName, o, fieldName);
ohair@286:             }
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     @Override
ohair@286:     public Accessor getElementPropertyAccessor(String nsUri, String localName) {
ohair@286:         if(tagName!=null) {
ohair@286:             if(tagName.equals(nsUri,localName))
ohair@286:                 return acc;
ohair@286:         }
ohair@286:         return null;
ohair@286:     }
ohair@286: }