Java example source code file (AttributeProperty.java)

This example Java source code file (AttributeProperty.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

accessorexception, attributeproperty, charsequence, illegalstateexception, ioexception, name, propertyimpl, propertykind, runtimeattributepropertyinfo, sax, saxexception, string, transducedaccessor, xmlserializer, xmlstreamexception

The AttributeProperty.java Java example source code

/*
 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

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
    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);
    }
}