Java tutorial
/** * Copyright 2015-2016 Red Hat, Inc, and individual contributors. * * 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. */ package org.wildfly.swarm.jaxrs; import java.io.BufferedReader; import java.io.InputStreamReader; import org.apache.http.HttpResponse; import org.apache.http.auth.AuthScope; import org.apache.http.auth.UsernamePasswordCredentials; import org.apache.http.client.CredentialsProvider; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.BasicCredentialsProvider; import org.apache.http.impl.client.HttpClientBuilder; /** * @author Heiko Braun * @since 29/03/16 */ public class SimpleHttp { protected Response getUrlContents(String theUrl) { return getUrlContents(theUrl, true); } protected Response getUrlContents(String theUrl, boolean useAuth) { return getUrlContents(theUrl, useAuth, true); } protected Response getUrlContents(String theUrl, boolean useAuth, boolean followRedirects) { StringBuilder content = new StringBuilder(); int code; try { CredentialsProvider provider = new BasicCredentialsProvider(); HttpClientBuilder builder = HttpClientBuilder.create(); if (!followRedirects) { builder.disableRedirectHandling(); } if (useAuth) { UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("admin", "password"); provider.setCredentials(AuthScope.ANY, credentials); builder.setDefaultCredentialsProvider(provider); } HttpClient client = builder.build(); HttpResponse response = client.execute(new HttpGet(theUrl)); code = response.getStatusLine().getStatusCode(); if (null == response.getEntity()) { throw new RuntimeException("No response content present"); } BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(response.getEntity().getContent())); String line; while ((line = bufferedReader.readLine()) != null) { content.append(line + "\n"); } bufferedReader.close(); } catch (Exception e) { throw new RuntimeException(e); } return new Response(code, content.toString()); } public class Response { public Response(int status, String body) { this.status = status; this.body = body; } public int getStatus() { return status; } public String getBody() { return body; } int status; String body; } }