outfox.dict.contest.util.HttpToolKit.java Source code

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Here is the source code for outfox.dict.contest.util.HttpToolKit.java

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/**
 * @(#)AccHttpClient.java, Mar 29, 2014. 
 * 
 * Copyright 2014 Yodao, Inc. All rights reserved.
 * YODAO PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package outfox.dict.contest.util;

import java.util.concurrent.TimeUnit;

import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.params.ClientPNames;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.AutoRetryHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.PoolingClientConnectionManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;
import org.apache.log4j.Logger;

/**
*
* HttpClient??http
* @author wangzhen
*
*/
public class HttpToolKit {

    private static final Logger LOG = Logger.getLogger(HttpToolKit.class);

    public enum Method {
        GET, POST
    }

    HttpClient client = null;

    private PoolingClientConnectionManager connectionManager;

    public HttpClient getClient() {
        return client;
    }

    public void setClient(HttpClient client) {
        this.client = client;
    }

    private HttpToolKit() {
        this(10, 100, 10000, 10000, CookiePolicy.IGNORE_COOKIES, true, true);
    }

    private static class SSLClientHolder {
        private static final HttpToolKit instance = new HttpToolKit();
    }

    public static HttpToolKit getInstance() {
        return SSLClientHolder.instance;
    }

    /**
     * @param maxConnectPerHost
     * @param maxConnection
     * @param connectTimeOut
     * @param socketTimeOut
     * @param cookiePolicy
     * @param isAutoRetry
     * @param redirect
     */
    public HttpToolKit(int maxConnectPerHost, int maxConnection, int connectTimeOut, int socketTimeOut,
            String cookiePolicy, boolean isAutoRetry, boolean redirect) {
        Scheme https = new Scheme("https", 443, SSLSocketFactory.getSocketFactory());
        Scheme http = new Scheme("http", 80, PlainSocketFactory.getSocketFactory());
        SchemeRegistry sr = new SchemeRegistry();
        sr.register(https);
        sr.register(http);

        connectionManager = new PoolingClientConnectionManager(sr, socketTimeOut, TimeUnit.MILLISECONDS);
        connectionManager.setDefaultMaxPerRoute(maxConnectPerHost);
        connectionManager.setMaxTotal(maxConnection);
        HttpParams params = new BasicHttpParams();
        params.setLongParameter(ClientPNames.CONN_MANAGER_TIMEOUT, connectTimeOut);
        params.setParameter(ClientPNames.COOKIE_POLICY, cookiePolicy);
        params.setBooleanParameter(ClientPNames.HANDLE_REDIRECTS, redirect);
        params.setBooleanParameter(ClientPNames.ALLOW_CIRCULAR_REDIRECTS, false);

        if (isAutoRetry) {
            client = new AutoRetryHttpClient(new DefaultHttpClient(connectionManager, params));
        } else {
            client = new DefaultHttpClient(connectionManager, params);
        }
    }

    /**
     * If you call doGet , you should call closeQuiet() to close the response.
     * @param url
     * @param headers
     * @param urlParameters
     * @return
     * @throws Exception
     */
    public HttpResponse doGet(String composeQueryUrl) {
        try {
            HttpGet get = new HttpGet(composeQueryUrl);
            HttpResponse resp = client.execute(get);
            return resp;
        } catch (Exception e) {
            LOG.error("client execute exception, ", e);
        }
        return null;
    }

    public HttpResponse doPost(String composeQueryUrl, HttpEntity entity) {
        try {
            HttpPost post = new HttpPost(composeQueryUrl);
            post.setEntity(entity);
            return client.execute(post);
        } catch (Exception e) {
            LOG.error("client execute exception, ", e);
        }
        return null;
    }

    public static void closeQuiet(HttpResponse response) {
        if (response != null) {
            EntityUtils.consumeQuietly(response.getEntity());
        }
    }
}