Custom HttpClient tools and httpclient tools

Custom HttpClient tools and httpclient tools

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 method ** @ param url * @ param nameValuePairs * @ return */public Static String evaluate (Context context, String url, NameValuePair... nameValuePairs) {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.exe cute (httpPost); if (response. getStatusLine (). getStatusCode ()! = HttpStatus. SC _ OK) {throw new RuntimeException ("request failed") ;}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 getFromWebByHttpClient (Context context, String url, NameVal UePair... nameValuePairs) throws Exception {log. d ("getFromWebByHttpClient url =" + url); try {// http address // String httpUrl = // "http: // 192.168.1.110: 8080/httpget. jsp? Par = HttpClient_android_Get "; 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 connection object HttpGet httpRequest = new HttpGet (sb. toString (); // get the HttpClient object HttpClient httpclient = getHttpClient (context); // request HttpClient and get httpResponse = httpclient.exe cute (httpRequest); // if the request is successful (HttpResponse. getStatusLine (). getStatusCode ()! = HttpStatus. SC _ OK) {throw new RuntimeException (context. getResources (). getString (R. string. httpError);} return EntityUtils. toString (httpResponse. getEntity ();} catch (ParseException e) {// TODO Auto-generated catch blockthrow new RuntimeException (context. getResources (). getString (R. string. httpError), e);} catch (IOException e) {// TODO Auto-generated catch blocklog. e ("IOException"); e. printStackTrace (); Throw new RuntimeException (context. getResources (). getString (R. string. httpError), e) ;}}/*** create an httpClient instance ** @ return * @ throws Exception */private static synchronized HttpClient getHttpClient (Context context) {if (null = customerHttpClient) {HttpParams params = new BasicHttpParams (); // set some basic parameters: HttpProtocolParams. setVersion (params, HttpVersion. HTTP_1_1); HttpProtocolParams. setContentCharset (par Ams, 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 "); // timeout setting/* obtain the connection timeout from the connection pool */ConnManagerParams. setTimeout (params, 1000);/* connection timeout */int ConnectionTimeOut = 3000; if (! HttpUtils. isWifiDataEnable (context) {ConnectionTimeOut = 10000;} HttpConnectionParams. setConnectionTimeout (params, ConnectionTimeOut);/* request timeout */HttpConnectionParams. setSoTimeout (params, 4000); // set our HttpClient to Support HTTP and HTTPS SchemeRegistry schReg = new SchemeRegistry (); schReg. register (new Scheme ("http", PlainSocketFactory. getSocketFactory (), 80); schReg. register (new Scheme ("https", SSLSocketFactory. getSocketFactory (), 443); // use the thread-safe Connection Manager to create javasconmgr = new ThreadSafeClientConnManager (params, schReg); customerHttpClient = new DefaultHttpClient (conMgr, params );} return customerHttpClient ;}}