Here you can find the source of openInputStream(URL url)
private static InputStream openInputStream(URL url) throws IOException
//package com.java2s; /*/*from w ww .j a va 2 s . c o m*/ * Copyright 2004 Niclas Hedhman * * 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; import java.io.IOException; import java.io.InputStream; public class Main { private static InputStream openInputStream(URL url) throws IOException { try { return url.openStream(); } catch (IOException e) { System.out.println("#URL: " + url); System.out.println(e.toString()); throw e; } } }