AntScriptEngine.java

/*
 * Copyright 2005-2010 Ignis Software Tools Ltd. All rights reserved.
 */
package jsystem.framework.scripts.ant;

import java.io.File;
import java.util.ArrayList;

import javax.swing.ImageIcon;

import jsystem.framework.scripts.ScriptEngine;
import jsystem.framework.scripts.ScriptExecutor;
import jsystem.utils.FileUtils;

import org.apache.xpath.XPathAPI;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

/**
 * Used to execute ANT files
 * @author guy.arieli
 *
 */
public class AntScriptEngine implements ScriptEngine {
	/**
	 * Accept files that are xml file has a main 'project' tag and don't have the
	 * jsystem scenario footprint.
	 */
	public boolean accept(File file) {
		if(file.getName().toLowerCase().endsWith(".xml")){
			try {
				Document doc = FileUtils.readDocumentFromFile(file);
				if(((Element) doc.getDocumentElement()).getTagName().equals("project")){
					return (FileUtils.read(file).indexOf("auto-generated by the jsystem") < 0);
				}
			} catch (Exception e) {
				// ignored
			}
		}
		return false;
	}

	/**
	 * An executor will be created for every target in the xml file
	 */
	public ScriptExecutor[] getExecutor(File file){
		Document doc;
		NodeList nodeList;
		try {
			doc = FileUtils.readDocumentFromFile(file);
			nodeList = XPathAPI.selectNodeList(doc, "/project/target");
		} catch (Exception e) {
			return null;
		}
		ArrayList<AntScriptExecutor> ants = new ArrayList<AntScriptExecutor>();
		String scriptName = file.getName().substring(0, file.getName().length() - 4);
		for(int i = 0; i < nodeList.getLength(); i++){
			if(nodeList.item(i) instanceof Element){
				Element target = (Element)nodeList.item(i);
				String name = target.getAttribute("name");
				if(name != null){
					AntScriptExecutor executor = new AntScriptExecutor();
					executor.configScriptName(scriptName);
					executor.configTarget(name);
					ants.add(executor);
				}
			}
		}
	
		return ants.toArray(new ScriptExecutor[0]);
	}

	/**
	 * The executor ID is the class name of the script executor.
	 */
	public boolean accept(String id) {
		return AntScriptExecutor.class.getName().equals(id);
	}

	/**
	 * Constract executor from the executor tag.
	 */
	public ScriptExecutor getExecutor(String tag) {
		AntScriptExecutor se = new AntScriptExecutor();
		String[] tags = tag.split("\\.");
		if(tags.length < 2){
			return null;
		}
		se.configScriptName(tags[0]);
		se.configTarget(tags[1]);
		return se;
	}

	public String getId() {
		return AntScriptExecutor.class.getName();
	}

	public ImageIcon getBasicImageIcon() {
		return null;
	}

	public ImageIcon getErrorImageIcon() {
		return null;
	}

	public ImageIcon getFailImageIcon() {
		return null;
	}

	public ImageIcon getRunningImageIcon() {
		return null;
	}
	public ImageIcon getOKImageIcon() {
		return null;
	}
}