Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF 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. */ package com.gst.infrastructure.hooks.processor; import java.security.SecureRandom; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import javax.net.ssl.HostnameVerifier; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLSession; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import retrofit.Callback; import retrofit.RestAdapter; import retrofit.RetrofitError; import retrofit.client.OkClient; import retrofit.client.Response; import com.squareup.okhttp.OkHttpClient; @SuppressWarnings("unused") public class ProcessorHelper { private final static Logger logger = LoggerFactory.getLogger(ProcessorHelper.class); @SuppressWarnings("null") public static OkHttpClient configureClient(final OkHttpClient client) { final TrustManager[] certs = new TrustManager[] { new X509TrustManager() { @Override public X509Certificate[] getAcceptedIssuers() { return null; } @Override public void checkServerTrusted(final X509Certificate[] chain, final String authType) throws CertificateException { } @Override public void checkClientTrusted(final X509Certificate[] chain, final String authType) throws CertificateException { } } }; SSLContext ctx = null; try { ctx = SSLContext.getInstance("TLS"); ctx.init(null, certs, new SecureRandom()); } catch (final java.security.GeneralSecurityException ex) { } try { final HostnameVerifier hostnameVerifier = new HostnameVerifier() { @Override public boolean verify(final String hostname, final SSLSession session) { return true; } }; client.setHostnameVerifier(hostnameVerifier); client.setSslSocketFactory(ctx.getSocketFactory()); } catch (final Exception e) { } return client; } public static OkHttpClient createClient() { final OkHttpClient client = new OkHttpClient(); return configureClient(client); } @SuppressWarnings("rawtypes") public static Callback createCallback(final String url) { return new Callback() { @Override public void success(final Object o, final Response response) { logger.info("URL : " + url + "\tStatus : " + response.getStatus()); } @Override public void failure(final RetrofitError retrofitError) { logger.info(retrofitError.getMessage()); } }; } public static WebHookService createWebHookService(final String url) { final OkHttpClient client = ProcessorHelper.createClient(); final RestAdapter restAdapter = new RestAdapter.Builder().setEndpoint(url).setClient(new OkClient(client)) .build(); return restAdapter.create(WebHookService.class); } }