Here you can find the source of openInputStream(String resourceString, ClassLoader classLoader)
public static InputStream openInputStream(String resourceString, ClassLoader classLoader) throws IOException
//package com.java2s; /*/*from w w w . ja va2 s . com*/ * Copyright 2015 Godfinger Framework * * Godfinger Framework licenses this file to you 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.io.IOException; import java.io.InputStream; import java.net.URL; public class Main { public static InputStream openInputStream(String resourceString, ClassLoader classLoader) throws IOException { int indexOfColon = resourceString.indexOf(':'); String prefix = resourceString.substring(0, indexOfColon); if ("classpath".equalsIgnoreCase(prefix)) { String path = resourceString.substring(indexOfColon + 1); return classLoader.getResourceAsStream(path); } return new URL(resourceString).openStream(); } }