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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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package com.sun.xml.internal.bind.v2.runtime.property;

import java.io.IOException;

import javax.xml.stream.XMLStreamException;

import com.sun.xml.internal.bind.api.AccessorException;

import com.sun.xml.internal.bind.v2.util.QNameMap;

import com.sun.xml.internal.bind.v2.model.core.AttributePropertyInfo;

import com.sun.xml.internal.bind.v2.model.core.PropertyKind;

import com.sun.xml.internal.bind.v2.model.runtime.RuntimeAttributePropertyInfo;

import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;

import com.sun.xml.internal.bind.v2.runtime.Name;

import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;

import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo;

import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader;

import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;

import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor;

import org.xml.sax.SAXException;

/**

 * {@link Property} implementation for {@link AttributePropertyInfo}.

 *

 * <p>

 * This one works for both leaves and nodes, scalars and arrays.

 *

 * <p>

 * Implements {@link Comparable} so that it can be sorted lexicographically.

 *

 * @author Kohsuke Kawaguchi (kk@kohsuke.org)

 */

public final class AttributeProperty<BeanT> extends PropertyImpl<BeanT>

    implements Comparable<AttributeProperty> {

    /**

     * Attribute name.

     */

    public final Name attName;

    /**

     * Heart of the conversion logic.

     */

    public final TransducedAccessor<BeanT> xacc;

    private final Accessor acc;

    public AttributeProperty(JAXBContextImpl context, RuntimeAttributePropertyInfo prop) {

        super(context,prop);

        this.attName = context.nameBuilder.createAttributeName(prop.getXmlName());

        this.xacc = TransducedAccessor.get(context,prop);

        this.acc = prop.getAccessor();   // we only use this for binder, so don't waste memory by optimizing

    }

    /**

     * Marshals one attribute.

     *

     * @see JaxBeanInfo#serializeAttributes(Object, XMLSerializer)

     */

    public void serializeAttributes(BeanT o, XMLSerializer w) throws SAXException, AccessorException, IOException, XMLStreamException {

        CharSequence value = xacc.print(o);

        if(value!=null)

            w.attribute(attName,value.toString());

    }

    public void serializeURIs(BeanT o, XMLSerializer w) throws AccessorException, SAXException {

        xacc.declareNamespace(o,w);

    }

    public boolean hasSerializeURIAction() {

        return xacc.useNamespace();

    }

    public void buildChildElementUnmarshallers(UnmarshallerChain chainElem, QNameMap<ChildLoader> handlers) {

        throw new IllegalStateException();

    }

    public PropertyKind getKind() {

        return PropertyKind.ATTRIBUTE;

    }

    public void reset(BeanT o) throws AccessorException {

        acc.set(o,null);

    }

    public String getIdValue(BeanT bean) throws AccessorException, SAXException {

        return xacc.print(bean).toString();

    }

    public int compareTo(AttributeProperty that) {

        return this.attName.compareTo(that.attName);

    }

}