WSClient.java

package com.sets.speedtest.manager.http;

import org.apache.http.Header;
import org.apache.http.entity.StringEntity;
import org.json.JSONObject;

import android.content.Context;

import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.JsonHttpResponseHandler;
import com.loopj.android.http.PersistentCookieStore;
import com.loopj.android.http.RequestHandle;
import com.loopj.android.http.RequestParams;
import com.loopj.android.http.ResponseHandlerInterface;
import com.sets.speedtest.common.CommLoading;
import com.sets.speedtest.utils.ViewUtils;

/**
 * HTTP请求客户端
 * 
 * @author : lipan
 * @create_time : 2014年4月19日 上午11:36:18
 * @desc : HTTP请求客户端
 * @update_time :
 * @update_desc :
 *
 */
public class WSClient
{

    public static final String CHARSET = "UTF-8";
    public static final int TIMEOUT = 25000;
    public static final String CONTENT_TYPE_JSON = "application/json;charset=utf-8";
    private static AsyncHttpClient client;

    public static void reset(Context context)
    {

        // 如果已经创建了客户端，则取消所有进行中的客户端
        if (client != null)
            client.cancelRequests(context, true);

        client = new AsyncHttpClient();
        client.setTimeout(TIMEOUT);
        client.setCookieStore(new PersistentCookieStore(context));
    }

    public static void clear(Context context)
    {
        PersistentCookieStore cookieStore = new PersistentCookieStore(context);
        cookieStore.clear();
    }

    public static void cancel(Context context)
    {
        if (client != null)
            client.cancelRequests(context, true);
    }

    /**
     * 发送http请求，返回json数据
     * 
     * @param context
     * @param url
     * @param timeout
     * @param data
     * @param responseHandler
     * @return
     */

    public static RequestHandle postForm(Context context, final String url, RequestParams data,
            final BaseResponseHandler responseHandler)
    {
        try
        {
            // 检查网络连接
            if (!ViewUtils.checkNetworkWithToast(context))
            {
                return null;
            }

            if (data == null)
            {
                data = new RequestParams();
            }
            // 时间戳
            data.put("timestamp", System.currentTimeMillis());
            JsonHttpResponseHandler jsonHttpResponseHandler = new JsonHttpResponseHandler()
            {

                @Override
                public void onStart()
                {
                    responseHandler.onPrepare();
                    responseHandler.onStart();
                }

                @Override
                public void onSuccess(int statusCode, Header[] headers, JSONObject response)
                {
                    responseHandler.onSuccess(statusCode, response);
                }

                @Override
                public void onFailure(int statusCode, Header[] headers, Throwable throwable,
                        JSONObject errorResponse)
                {
                    responseHandler.onFailure(throwable, "");
                }

                @Override
                public void onFailure(int statusCode, Header[] headers, String responseString,
                        Throwable throwable)
                {
                    responseHandler.onFailure(throwable, "");
                }

                @Override
                public void onFinish()
                {
                    CommLoading.dismiss(); // 隐藏Loading
                    responseHandler.onFinish();
                }

            };
            return client.post(context, url, data, jsonHttpResponseHandler);
        } catch (Exception e)
        {
            responseHandler.onFailure(e, "");
        }
        return null;
    }

    public static RequestHandle postJson(Context context, final String url, StringEntity data,
            final BaseResponseHandler responseHandler)
    {
        try
        {
            // 检查网络连接
            if (!ViewUtils.checkNetworkWithToast(context))
            {
                return null;
            }
            // 时间戳
            JsonHttpResponseHandler jsonHttpResponseHandler = new JsonHttpResponseHandler()
            {
                @Override
                public void onStart()
                {
                    responseHandler.onPrepare();
                    responseHandler.onStart();
                }

                @Override
                public void onSuccess(int statusCode, Header[] headers, JSONObject response)
                {
                    responseHandler.onSuccess(statusCode, response);
                }

                @Override
                public void onFailure(int statusCode, Header[] headers, Throwable throwable,
                        JSONObject errorResponse)
                {
                    responseHandler.onFailure(throwable, "");
                }

                @Override
                public void onFailure(int statusCode, Header[] headers, String responseString,
                        Throwable throwable)
                {
                    responseHandler.onFailure(throwable, "");
                }

                @Override
                public void onFinish()
                {
                    CommLoading.dismiss(); // 隐藏Loading
                    responseHandler.onFinish();
                }

            };
            return client.post(context, url, data, CONTENT_TYPE_JSON, jsonHttpResponseHandler);
        } catch (Exception e)
        {
            responseHandler.onFailure(e, "");
        }
        return null;
    }

    /**
     * get请求
     * 
     * @param url
     * @param handlerInterface
     * @return
     */
    public static RequestHandle get(String url, ResponseHandlerInterface handlerInterface)
    {
        return client.get(url, handlerInterface);
    }
}