Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 chatter-bot-api
 Copyright (C) 2011 pierredavidbelanger@gmail.com
    
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
    
 You should have received a copy of the GNU Lesser General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import org.w3c.dom.Document;

import java.io.ByteArrayInputStream;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathFactory;

public class Main {
    public static String xPathSearch(String input, String expression) throws Exception {
        DocumentBuilder documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        XPath xPath = XPathFactory.newInstance().newXPath();
        XPathExpression xPathExpression = xPath.compile(expression);
        Document document = documentBuilder.parse(new ByteArrayInputStream(input.getBytes("UTF-8")));
        String output = (String) xPathExpression.evaluate(document, XPathConstants.STRING);
        return output == null ? "" : output.trim();
    }
}