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Android example source code file (TestHttpClient.java)

This example Android source code file (TestHttpClient.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

basichttpcontext, basichttpprocessor, defaultconnectionreusestrategy, httpcontext, httpexception, httpparams, httprequestexecutor, httpresponse, io, requestconncontrol, requestcontent, requestexpectcontinue, requesttargethost, requestuseragent, testhttpclient

The TestHttpClient.java Android example source code

/*
 * $HeadURL: http://svn.apache.org/repos/asf/jakarta/httpcomponents/httpcore/tags/4.0-alpha6/module-main/src/test/java/org/apache/http/mockup/TestHttpClient.java $
 * $Revision: 576077 $
 * $Date: 2007-09-16 04:50:22 -0700 (Sun, 16 Sep 2007) $
 *
 * ====================================================================
 * 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package android.core;

import java.io.IOException;

import org.apache.http.ConnectionReuseStrategy;
import org.apache.http.HttpClientConnection;
import org.apache.http.HttpException;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.impl.DefaultConnectionReuseStrategy;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.params.DefaultedHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.http.protocol.BasicHttpProcessor;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.ExecutionContext;
import org.apache.http.protocol.HttpRequestExecutor;
import org.apache.http.protocol.RequestConnControl;
import org.apache.http.protocol.RequestContent;
import org.apache.http.protocol.RequestExpectContinue;
import org.apache.http.protocol.RequestTargetHost;
import org.apache.http.protocol.RequestUserAgent;

public class TestHttpClient {

    private final HttpParams params;
    private final BasicHttpProcessor httpproc;
    private final HttpRequestExecutor httpexecutor;
    private final ConnectionReuseStrategy connStrategy;
    private final HttpContext context;
    
    public TestHttpClient() {
        super();
        this.params = new BasicHttpParams();
        this.params
            .setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 5000)
            .setBooleanParameter(CoreConnectionPNames.STALE_CONNECTION_CHECK, false)
            .setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1)
            .setParameter(CoreProtocolPNames.USER_AGENT, "TEST-CLIENT/1.1");

        this.httpproc = new BasicHttpProcessor();
        // Required protocol interceptors
        this.httpproc.addInterceptor(new RequestContent());
        this.httpproc.addInterceptor(new RequestTargetHost());
        // Recommended protocol interceptors
        this.httpproc.addInterceptor(new RequestConnControl());
        this.httpproc.addInterceptor(new RequestUserAgent());
        this.httpproc.addInterceptor(new RequestExpectContinue());

        this.httpexecutor = new HttpRequestExecutor();
        this.connStrategy = new DefaultConnectionReuseStrategy();
        this.context = new BasicHttpContext(null);
    }

    public HttpParams getParams() {
        return this.params;
    }
    
    public HttpResponse execute(
            final HttpRequest request,
            final HttpHost targetHost,
            final HttpClientConnection conn) throws HttpException, IOException {
        this.context.setAttribute(ExecutionContext.HTTP_REQUEST, request);
        this.context.setAttribute(ExecutionContext.HTTP_TARGET_HOST, targetHost);
        this.context.setAttribute(ExecutionContext.HTTP_CONNECTION, conn);
        request.setParams(
                    new DefaultedHttpParams(request.getParams(), this.params));
        this.httpexecutor.preProcess(request, this.httpproc, this.context);
        HttpResponse response = this.httpexecutor.execute(request, conn, this.context);
        response.setParams(
                new DefaultedHttpParams(response.getParams(), this.params));
        this.httpexecutor.postProcess(response, this.httpproc, this.context);
        return response;
    }
    
    public boolean keepAlive(final HttpResponse response) {
        return this.connStrategy.keepAlive(response, this.context);
    }
    
}

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