package edu.hebtu.movingcampus.utils;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.HttpVersion;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.params.ConnManagerParams;
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.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import android.content.Context;
import android.util.Log;
import edu.hebtu.movingcampus.R;
public class CustomHttpClient {
private static String TAG = "CustomHttpClient";
private static final CommonLog log = LogFactory.createLog();
private static final String CHARSET_UTF8 = HTTP.UTF_8;
private static final String CHARSET_GB2312 = "GB2312";
private static HttpClient customerHttpClient;
private CustomHttpClient() {
}
/**
* HttpClient post方法
*
* @param url
* @param nameValuePairs
* @return
*/
public static String postByHttpClient(Context context, String url,
NameValuePair... nameValuePairs) {
log.w("postFromWebByHttpClient url = " + url);
try {
List<NameValuePair> params = new ArrayList<NameValuePair>();
if (nameValuePairs != null) {
for (int i = 0; i < nameValuePairs.length; i++) {
params.add(nameValuePairs[i]);
}
}
UrlEncodedFormEntity urlEncoded = new UrlEncodedFormEntity(params,
CHARSET_UTF8);
HttpPost httpPost = new HttpPost(url);
httpPost.setEntity(urlEncoded);
HttpClient client = getHttpClient(context);
HttpResponse response = client.execute(httpPost);
if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
throw new RuntimeException("请求失败");
}
HttpEntity resEntity = response.getEntity();
return (resEntity == null) ? null : EntityUtils.toString(resEntity,
CHARSET_UTF8);
} catch (UnsupportedEncodingException e) {
Log.w(TAG, e.getMessage());
return null;
} catch (ClientProtocolException e) {
Log.w(TAG, e.getMessage());
return null;
} catch (IOException e) {
throw new RuntimeException(context.getResources().getString(
R.string.httpError), e);
}
}
public static String getByHttpClient(Context context, String url,
NameValuePair... nameValuePairs) throws Exception {
log.w("getFromWebByHttpClient url = " + url);
try {
// http地址
// String httpUrl =
StringBuilder sb = new StringBuilder();
sb.append(url);
if (nameValuePairs != null && nameValuePairs.length > 0) {
sb.append("?");
for (int i = 0; i < nameValuePairs.length; i++) {
if (i > 0) {
sb.append("&");
}
sb.append(String.format("%s=%s",
nameValuePairs[i].getName(),
nameValuePairs[i].getValue()));
}
}
// HttpGet连接对象
HttpGet httpRequest = new HttpGet(sb.toString());
// 取得HttpClient对象
HttpClient httpclient = getHttpClient(context);
// 请求HttpClient,取得HttpResponse
HttpResponse httpResponse = httpclient.execute(httpRequest);
// 请求成功
if (httpResponse.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
throw new RuntimeException(context.getResources().getString(
R.string.httpError));
}
return EntityUtils.toString(httpResponse.getEntity(),CHARSET_UTF8);
} catch (ParseException e) {
throw new RuntimeException(context.getResources().getString(
R.string.httpError), e);
} catch (IOException e) {
log.e("IOException ");
e.printStackTrace();
throw new RuntimeException(context.getResources().getString(
R.string.httpError), e);
}
}
/**
* 创建httpClient实例
*
* @return
* @throws Exception
*/
private static synchronized HttpClient getHttpClient(Context context) {
if (null == customerHttpClient) {
HttpParams params = new BasicHttpParams();
// 设置一些基本参数
HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(params, CHARSET_UTF8);
HttpProtocolParams.setUseExpectContinue(params, true);
HttpProtocolParams
.setUserAgent(
params,
"Mozilla/5.0(Linux;U;Android 2.2.1;en-us;Nexus One Build.FRG83) "
+ "AppleWebKit/553.1(KHTML,like Gecko) Version/4.0 Mobile Safari/533.1");
// 超时设置
/* 从连接池中取连接的超时时间 */
ConnManagerParams.setTimeout(params, 1000);
/* 连接超时 */
int ConnectionTimeOut = 3000;
if (!HttpUtils.isWifiDataEnable(context)) {
ConnectionTimeOut = 10000;
}
HttpConnectionParams
.setConnectionTimeout(params, ConnectionTimeOut);
/* 请求超时 */
HttpConnectionParams.setSoTimeout(params, 4000);
// 设置我们的HttpClient支持HTTP和HTTPS两种模式
SchemeRegistry schReg = new SchemeRegistry();
schReg.register(new Scheme("http", PlainSocketFactory
.getSocketFactory(), 80));
schReg.register(new Scheme("https", SSLSocketFactory
.getSocketFactory(), 443));
// 使用线程安全的连接管理来创建HttpClient
ClientConnectionManager conMgr = new ThreadSafeClientConnManager(
params, schReg);
customerHttpClient = new DefaultHttpClient(conMgr, params);
}
return customerHttpClient;
}
}