Here you can find the source of openConnection(final URL url, final String requestMethod)
static HttpURLConnection openConnection(final URL url, final String requestMethod) throws IOException
//package com.java2s; /*/* ww w . j a va 2 s .c om*/ * Copyright 2012 - 2015 pac4j organization * * 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.net.HttpURLConnection; import java.net.URL; public class Main { static HttpURLConnection openConnection(final URL url, final String requestMethod) throws IOException { final HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoInput(true); connection.setDoOutput(true); connection.setRequestMethod(requestMethod); return connection; } }