ReadXMLFile.java

/*
 * ###
 * PHR_NodeJSWebService
 * %%
 * Copyright (C) 1999 - 2012 Photon Infotech Inc.
 * %%
 * 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.
 * ###
 */
package com.photon.phresco.uiconstants;

import java.io.File;

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

import org.apache.commons.lang.NullArgumentException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import com.photon.phresco.selenium.util.ScreenException;


public class ReadXMLFile {

	private static Element eElement;
	private Log log = LogFactory.getLog(getClass());
	private static final String phrsc = "./src/main/resources/phresco-env-config.Xml";
	private static final String nodejs = "./src/main/resources/NodejsData.xml";
	private static final String nodeui = "./src/main/resources/UIConstants.xml";
	private static final String nodeinfo = "./src/main/resources/UserInfo.xml";
	
	public ReadXMLFile() throws ScreenException {
		log.info("@ReadXMLFile Constructor::loading *****PhrescoUIConstants******");
		loadPhrescoConstansts(phrsc);
	}

	public void loadPhrescoConstansts(String properties) throws ScreenException {
		
		try {
			File fXmlFile = new File(properties);
			DocumentBuilderFactory dbFactory = DocumentBuilderFactory
					.newInstance();
			DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
			Document doc = dBuilder.parse(fXmlFile);
			NodeList nList = doc.getElementsByTagName("environment");
			System.out.println("-----------------------");

			for (int temp = 0; temp < nList.getLength(); temp++) {

				Node nNode = nList.item(temp);
				if (nNode.getNodeType() == Node.ELEMENT_NODE) {

					eElement = (Element) nNode;

				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	public void NodejsData() throws ScreenException {
    	loadPhrescoConstansts(nodejs);
	}
	public void loadUIConstants() throws ScreenException {
    	loadPhrescoConstansts(nodeui);
	}

	public void loadUserInfoConstants() throws ScreenException {
		loadPhrescoConstansts(nodeinfo);
		
	}
	
	
	public String getValue(String elementName) {

		NodeList nlList = eElement.getElementsByTagName(elementName).item(0)
				.getChildNodes();
		Node nValue = (Node) nlList.item(0);		
		if (nValue.getNodeValue() == null) {
			throw new NullArgumentException("***The element value is zero***");
		} 

		return nValue.getNodeValue();
	}

	

	
	

}