Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * FFNLauncher
 * Copyright (C) 2013 Abel Hoogeveen <http://www.sigmacoders.nl>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;

import org.w3c.dom.Node;

public class Main {
    /**
     * Get a boolean from an XPath expression.
     * 
     * @param node node
     * @param def default value
     * @param expr XPath expression
     * @return string, or null if empty or not defined
     * @throws XPathExpressionException 
     */
    public static boolean getBool(Node node, boolean def, XPathExpression expr) throws XPathExpressionException {
        String s = getStringOrNull(node, expr);
        if (s == null) {
            return def;
        }
        return s.equalsIgnoreCase("true");
    }

    /**
     * Get a string from an XPath expression.
     * 
     * @param node node
     * @param expr XPath expression
     * @return string, or null if empty or not defined
     * @throws XPathExpressionException 
     */
    public static String getStringOrNull(Node node, XPathExpression expr) throws XPathExpressionException {
        String s = getString(node, expr);
        if (s.trim().length() == 0) {
            return null;
        }
        return s;
    }

    /**
     * Get a string from an XPath expression.
     * 
     * @param node node
     * @param expr XPath expression
     * @return string
     * @throws XPathExpressionException 
     */
    public static String getString(Node node, XPathExpression expr) throws XPathExpressionException {
        return (String) expr.evaluate(node, XPathConstants.STRING);
    }
}