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 org.apache.olingo.samples.client.core.http; import java.net.URI; import org.apache.http.client.UserTokenHandler; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.protocol.HttpContext; import org.apache.olingo.commons.api.http.HttpMethod; import org.apache.olingo.client.core.http.DefaultHttpClientFactory; /** * Shows how to work with stateful HTTP connections. * <br/> * HttpClient relies on <tt>UserTokenHandler</tt> interface to determine if the given execution context is user specific * or not. The token object returned by this handler is expected to uniquely identify the current user if the context is * user specific or to be null if the context does not contain any resources or details specific to the current user. * The user token will be used to ensure that user specific resources will not be shared with or reused by other users. * <a * href="http://svn.apache.org/repos/asf/httpcomponents/site/httpcomponents-client-4.2.x/tutorial/html/advanced.html#stateful_conn">More * information</a>. */ public class StatefulHttpClientFactory extends DefaultHttpClientFactory { @Override public DefaultHttpClient create(final HttpMethod method, final URI uri) { final DefaultHttpClient httpClient = super.create(method, uri); httpClient.setUserTokenHandler(new UserTokenHandler() { @Override public Object getUserToken(final HttpContext context) { return context.getAttribute("my-token"); } }); return httpClient; } }