Here you can find the source of isFileResource(URL resource)
public static boolean isFileResource(URL resource)
//package com.java2s; /*/*from ww w . j av a 2 s . c o m*/ * Copyright 2005-2010 the original author or authors. * 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. */ import java.net.URL; public class Main { private static final String SLASH = "/"; public static boolean isFileResource(URL resource) { return !resource.toExternalForm().endsWith(SLASH); } }