aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.runtime.property;
aoqi@0: 
aoqi@0: import java.io.IOException;
aoqi@0: 
aoqi@0: import javax.xml.stream.XMLStreamException;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.bind.api.AccessorException;
aoqi@0: import com.sun.xml.internal.bind.v2.util.QNameMap;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.AttributePropertyInfo;
aoqi@0: import com.sun.xml.internal.bind.v2.model.core.PropertyKind;
aoqi@0: import com.sun.xml.internal.bind.v2.model.runtime.RuntimeAttributePropertyInfo;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.Name;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor;
aoqi@0: 
aoqi@0: import org.xml.sax.SAXException;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * {@link Property} implementation for {@link AttributePropertyInfo}.
aoqi@0:  *
aoqi@0:  * <p>
aoqi@0:  * This one works for both leaves and nodes, scalars and arrays.
aoqi@0:  *
aoqi@0:  * <p>
aoqi@0:  * Implements {@link Comparable} so that it can be sorted lexicographically.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi (kk@kohsuke.org)
aoqi@0:  */
aoqi@0: public final class AttributeProperty<BeanT> extends PropertyImpl<BeanT>
aoqi@0:     implements Comparable<AttributeProperty> {
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Attribute name.
aoqi@0:      */
aoqi@0:     public final Name attName;
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Heart of the conversion logic.
aoqi@0:      */
aoqi@0:     public final TransducedAccessor<BeanT> xacc;
aoqi@0: 
aoqi@0:     private final Accessor acc;
aoqi@0: 
aoqi@0:     public AttributeProperty(JAXBContextImpl context, RuntimeAttributePropertyInfo prop) {
aoqi@0:         super(context,prop);
aoqi@0:         this.attName = context.nameBuilder.createAttributeName(prop.getXmlName());
aoqi@0:         this.xacc = TransducedAccessor.get(context,prop);
aoqi@0:         this.acc = prop.getAccessor();   // we only use this for binder, so don't waste memory by optimizing
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Marshals one attribute.
aoqi@0:      *
aoqi@0:      * @see JaxBeanInfo#serializeAttributes(Object, XMLSerializer)
aoqi@0:      */
aoqi@0:     public void serializeAttributes(BeanT o, XMLSerializer w) throws SAXException, AccessorException, IOException, XMLStreamException {
aoqi@0:         CharSequence value = xacc.print(o);
aoqi@0:         if(value!=null)
aoqi@0:             w.attribute(attName,value.toString());
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void serializeURIs(BeanT o, XMLSerializer w) throws AccessorException, SAXException {
aoqi@0:         xacc.declareNamespace(o,w);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean hasSerializeURIAction() {
aoqi@0:         return xacc.useNamespace();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void buildChildElementUnmarshallers(UnmarshallerChain chainElem, QNameMap<ChildLoader> handlers) {
aoqi@0:         throw new IllegalStateException();
aoqi@0:     }
aoqi@0: 
aoqi@0: 
aoqi@0:     public PropertyKind getKind() {
aoqi@0:         return PropertyKind.ATTRIBUTE;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public void reset(BeanT o) throws AccessorException {
aoqi@0:         acc.set(o,null);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public String getIdValue(BeanT bean) throws AccessorException, SAXException {
aoqi@0:         return xacc.print(bean).toString();
aoqi@0:     }
aoqi@0: 
aoqi@0:     public int compareTo(AttributeProperty that) {
aoqi@0:         return this.attName.compareTo(that.attName);
aoqi@0:     }
aoqi@0: }