Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright 2015, 2016 Junichi Tatemura
 *
 * 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.Element;
import org.w3c.dom.Node;

public class Main {
    /**
     * Generates a path expression that refers to
     * the given element.
     * @param elem the element for which a path is
     *        generated.
     * @return a path from the root to the given element.
     */
    public static String path(Element elem) {
        String path = "/" + name(elem);
        Node currentNode = elem;
        while ((currentNode = currentNode.getParentNode()) != null) {
            if (currentNode instanceof Element) {
                path = "/" + name((Element) currentNode) + path;
            } else {
                break;
            }
        }
        return path;
    }

    private static String name(Element elem) {
        String name = elem.getAttribute("name");
        if (!name.isEmpty()) {
            return elem.getTagName() + "[" + name + "]";
        } else {
            return elem.getTagName();
        }
    }
}