Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2006-2010 the original author or authors.
 *
 * Licensed 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.
 */

import org.w3c.dom.*;

public class Main {
    /**
     * Returns the path expression for a given node.
     * Path expressions look like: Foo.Bar.Poo where elements are
     * separated with a dot character.
     *
     * @param node in DOM tree.
     * @return the path expression representing the node in DOM tree.
     */
    public static String getNodesPathName(Node node) {
        final StringBuffer buffer = new StringBuffer();

        if (node.getNodeType() == Node.ATTRIBUTE_NODE) {
            buildNodeName(((Attr) node).getOwnerElement(), buffer);
            buffer.append(".");
            buffer.append(node.getLocalName());
        } else {
            buildNodeName(node, buffer);
        }

        return buffer.toString();
    }

    /**
     * Builds the node path expression for a node in the DOM tree.
     * @param node in a DOM tree.
     * @param buffer string buffer.
     */
    private static void buildNodeName(Node node, StringBuffer buffer) {
        if (node.getParentNode() == null) {
            return;
        }

        buildNodeName(node.getParentNode(), buffer);

        if (node.getParentNode() != null && node.getParentNode().getParentNode() != null) {
            buffer.append(".");
        }

        buffer.append(node.getLocalName());
    }
}