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Commons JXPath example source code file (JDOMAttributePointer.java)

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

Java - Commons JXPath tags/keywords

attribute, jdomattributepointer, jdomattributepointer, nodepointer, nodepointer, object, object, qname, string, string, stringbuffer

The Commons JXPath JDOMAttributePointer.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.jxpath.ri.model.jdom;

import org.apache.commons.jxpath.ri.QName;
import org.apache.commons.jxpath.ri.model.NodePointer;
import org.apache.commons.jxpath.util.TypeUtils;
import org.jdom.Attribute;

/**
 * A Pointer that points to a DOM node.
 *
 * @author Dmitri Plotnikov
 * @version $Revision: 652884 $ $Date: 2008-05-02 15:02:00 -0500 (Fri, 02 May 2008) $
 */
public class JDOMAttributePointer extends NodePointer {
    private Attribute attr;

    private static final long serialVersionUID = 8896050354479644028L;

    /**
     * Create a JDOMAttributePointer.
     * @param parent NodePointer parent
     * @param attr JDOM Attribute
     */
    public JDOMAttributePointer(NodePointer parent, Attribute attr) {
        super(parent);
        this.attr = attr;
    }

    public QName getName() {
        return new QName(
            JDOMNodePointer.getPrefix(attr),
            JDOMNodePointer.getLocalName(attr));
    }

    public String getNamespaceURI() {
        String uri = attr.getNamespaceURI();
        if (uri != null && uri.equals("")) {
            uri = null;
        }
        return uri;
    }

    public Object getValue() {
        return attr.getValue();
    }

    public Object getBaseValue() {
        return attr;
    }

    public boolean isCollection() {
        return false;
    }

    public int getLength() {
        return 1;
    }

    public Object getImmediateNode() {
        return attr;
    }

    public boolean isActual() {
        return true;
    }

    public boolean isLeaf() {
        return true;
    }

    public void setValue(Object value) {
        attr.setValue((String) TypeUtils.convert(value, String.class));
    }

    public void remove() {
        attr.getParent().removeAttribute(attr);
    }

    public String asPath() {
        StringBuffer buffer = new StringBuffer();
        if (parent != null) {
            buffer.append(parent.asPath());
            if (buffer.length() == 0
                || buffer.charAt(buffer.length() - 1) != '/') {
                buffer.append('/');
            }
        }
        buffer.append('@');
        buffer.append(getName());
        return buffer.toString();
    }

    public int hashCode() {
        return System.identityHashCode(attr);
    }

    public boolean equals(Object object) {
        return object == this || object instanceof JDOMAttributePointer
                && ((JDOMAttributePointer) object).attr == attr;
    }

    public int compareChildNodePointers(
            NodePointer pointer1,
            NodePointer pointer2) {
        // Won't happen - attributes don't have children
        return 0;
    }
}

Other Commons JXPath examples (source code examples)

Here is a short list of links related to this Commons JXPath JDOMAttributePointer.java source code file:

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