Here you can find the source of GET_Stream(String url, HashMap
public final static InputStream GET_Stream(String url, HashMap<String, String> headers) throws IOException
//package com.java2s; /*//from www .java 2s . c o m * Copyright 2014 Syam Sathyan. * * 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.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.util.HashMap; import java.util.Map; public class Main { private static final String GET = "GET"; public final static InputStream GET_Stream(String url) throws IOException { HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection(); con.setRequestMethod(GET); return con.getInputStream(); } public final static InputStream GET_Stream(String url, HashMap<String, String> headers) throws IOException { HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection(); con.setRequestMethod(GET); for (Map.Entry<String, String> entry : headers.entrySet()) { con.setRequestProperty(entry.getKey(), entry.getValue()); } return con.getInputStream(); } }