BundleResource.java

/**
 * 
 */
package org.semanticsoft.vaaclipse.publicapi.resources;

import org.eclipse.emf.common.util.URI;

import com.vaadin.server.ThemeResource;

/**
 * @author rushan
 *
 */
public class BundleResource extends ThemeResource
{
	private String resourceBundlePath;
	
	public static BundleResource valueOf(String resourceBundlePath)
	{
		String themePath = convertPath(resourceBundlePath);
		BundleResource bundleResource = new BundleResource(themePath);
		bundleResource.resourceBundlePath = resourceBundlePath;
		return bundleResource;
	}
	
	private BundleResource(String resourceUri)
	{
		super(resourceUri);
	}

	private static String convertPath(String uriString) {
		if (!uriString.startsWith("platform:/plugin/"))
			throw new IllegalArgumentException("Wrong bundle resource uri: " + uriString + ". Bundle resource uri should start with platform:/plugin/");
		
		URI uri = URI.createURI(uriString);
		
		if (uri.segmentCount() < 2)
			throw new IllegalArgumentException();
				
		StringBuilder bundlePath = new StringBuilder("plugin/");
		
		for (int i = 1; i < uri.segmentCount(); i++) {
			bundlePath.append(uri.segment(i));
			bundlePath.append("/");
		}
		
		if (bundlePath.charAt(bundlePath.length() - 1) == '/')
			return bundlePath.substring(0, bundlePath.length() - 1);
		else
			return bundlePath.toString();		
	}
}