* outsourced resource handling

Bundle-Version: 1.0.0.qualifier

Automatic-Module-Name: org.etsi.mts.tdl.common

Require-Bundle: org.eclipse.xtext,

 org.etsi.mts.tdl.model

 org.etsi.mts.tdl.model,

 org.eclipse.core.runtime,

 org.eclipse.osgi

Export-Package: org.etsi.mts.tdl,

 org.etsi.mts.tdl.resources,

 org.etsi.mts.tdl.scoping,

 org.etsi.mts.tdl.transform

package org.etsi.mts.tdl.resources;

import java.io.File;

import java.io.IOException;

import java.net.URI;

import java.net.URISyntaxException;

import java.net.URL;

import java.util.Enumeration;

import org.eclipse.core.runtime.Platform;

import org.osgi.framework.Bundle;

public class ResourceHandler {

	public static URI getSourceUri(Class c, String bundleName, String source) throws URISyntaxException {

		URI uri = new File(source).toURI();

		//FIXED: also for TO? -> should work with all now

		if (Platform.isRunning()) {

			//System.out.println("Running as plugin...");

			Bundle bundle = Platform.getBundle(bundleName);

			URL url = bundle.getEntry(source);

			uri = url.toURI();

		} else {

			//WS

			//TODO: this does not work with exported JAR

//			String binPath=this.getClass().getProtectionDomain().getCodeSource().getLocation().getPath();

//			String projectPath = new File(binPath).getParent();

//			uri = new File(projectPath+"/"+source).toURI();

			uri = getResourceFile(c, source);

		}

		return uri;

	}

	//TODO: simplify

	public static URI getResourceFile(Class c, String relativePath)

	{

	    URI uri = null;

	    URL location = c.getProtectionDomain().getCodeSource().getLocation();

	    String codeLocation = location.toString();

	    try{

	        if (codeLocation.endsWith(".jar")) {

	            //Call from jar

	        	//DONE: this does not work.. -> fixed

	        	//should get file out of jar / bundle instead

	        	//TODO: simplify and merge with above, test other cases

	        	//TODO: generalise for use in other cases, e.g. for docx and others?

	        	try {

					Enumeration<URL> resources = ClassLoader.getSystemResources(relativePath.replaceAll("epsilon/", ""));

					URL nextElement = resources.nextElement();

					uri = nextElement.toURI();

				} catch (IOException e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				}

//	            Path path = Paths.get(location.toURI()).resolve("../classes/" + relativePath.replaceAll("epsilon/", "")).normalize();

//	            file = path.toFile();

//	            System.out.println("File: "+file);

	        }else{

	            //Call from IDE

	        	//TODO: remove hardcoded container directory filtering

	            URL resource = c.getClassLoader().getResource(relativePath.replaceAll("(epsilon|resource)/", ""));

				uri = resource.toURI();

//	            file = new File(resource.getPath());

	        }

	    }catch(URISyntaxException ex){

	        ex.printStackTrace();

	    }

	    return uri;

	}

}