Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/* Software License Agreement (BSD License)
 * 
 * Copyright (c) 2010-2011, Rustici Software, LLC
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Rustici Software, LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.util.ArrayList;

import java.util.List;

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    public static Object getNamedElemValue(Element parent, String elementName, Class basicType, Object defaultVal) {
        String val = getNamedElemValue(parent, elementName);
        if (val == null) {
            return defaultVal;
        }

        try {
            if (Boolean.class.equals(basicType)) {
                return Boolean.parseBoolean(val);
            } else if (Integer.class.equals(basicType)) {
                return Integer.parseInt(val);
            } else if (Float.class.equals(basicType)) {
                return Float.parseFloat(val);
            } else if (Double.class.equals(basicType)) {
                return Double.parseDouble(val);
            } else
                return val;
        } catch (Exception e) {
            return defaultVal;
        }
    }

    public static String getNamedElemValue(Element parent, String elementName) {
        String val = null;
        List<Element> list = getChildrenByTagName(parent, elementName);
        if (list.size() > 0) {
            val = list.get(0).getTextContent();
        }
        return val;
    }

    public static List<Element> getChildrenByTagName(Node parent, String tagName) {
        ArrayList<Element> elements = new ArrayList<Element>();
        NodeList children = parent.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child instanceof Element) {
                Element elem = (Element) children.item(i);
                if (tagName.equals(elem.getTagName())) {
                    elements.add(elem);
                }
            }
        }
        return elements;
    }
}