JlintXmlConfigReader.java

package com.symcor.jlint.plugin;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import com.symcor.jlint.plugin.Constants;

import org.apache.maven.plugin.logging.Log;


public class JlintXmlConfigReader
{
	String configFileName;
	ArrayList<String> rules;
	
	public JlintXmlConfigReader(String configFileName) {
		this.configFileName = configFileName;		
	}
	
	public ArrayList<String> readConfiguration() {
		rules = new ArrayList<String>();
		
		try {
			String textVal = null;
			
			DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
			DocumentBuilder db = dbf.newDocumentBuilder();
			Document dom = db.parse(configFileName);
			
			Element rootEl = dom.getDocumentElement();
						
			NodeList nl = rootEl.getElementsByTagName(Constants.XMLCONFIGFILE_RULE_NODE);
			
			//System.out.println("LOAD CONFIG ++++++++++++++++++++++++++++++++++++++++++");
			
			if (nl != null && nl.getLength() > 0) {
				for (int i=0; i < nl.getLength(); i++) {
					Element ruleEl = (Element)nl.item(i);
					textVal = ruleEl.getFirstChild().getNodeValue();
					//System.out.println(textVal);
					rules.add(textVal);
				}
			}			
			
			//System.out.println("LOAD CONFIG ++++++++++++++++++++++++++++++++++++++++++");
		}
		catch(ParserConfigurationException pce) {
			pce.printStackTrace();
		}
		catch(SAXException se) {
			se.printStackTrace();
		}
		catch(IOException ioe) {
			ioe.printStackTrace();
		}
		
		return rules;
	}

}