util.java

一个资源管理器的java代码

/**
 * 
 */
package org.oscar.explorer;

import java.net.URL;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;

public class Util {

	private static ImageRegistry imageRegistry;

	public static URL newURL(String urlName) {
		try {
			return new URL(urlName);
		} catch (Exception e) {
			throw new RuntimeException("Err:" + urlName, e);
		}
	}

	public static ImageRegistry getRegistry() {
		if (imageRegistry == null) {
			imageRegistry = new ImageRegistry();
			imageRegistry.put("folder", ImageDescriptor
					.createFromURL(newURL("file:icons/fldr_obj.gif")));
			imageRegistry.put("file", ImageDescriptor
					.createFromURL(newURL("file:icons/file_obj.gif")));			
		}
		return imageRegistry;
	}
}