Android Development Network Connection Tool class (1), android tool class

Android Development Network Connection Tool class (1), android tool class

Network Connection Tool:

1 package com.gz civil. utils; 2 3 import java. io. IOException; 4 import java. util. arrayList; 5 import java. util. list; 6 import java. util. map; 7 8 import org. apache. http. httpEntity; 9 import org. apache. http. httpResponse; 10 import org. apache. http. httpStatus; 11 import org. apache. http. nameValuePair; 12 import org. apache. http. client. httpClient; 13 import org. apache. http. client. entity. urlEncodedFormEntit Y; 14 import org. apache. http. client. methods. httpGet; 15 import org. apache. http. client. methods. httpPost; 16 import org. apache. http. impl. client. defaultHttpClient; 17 import org. apache. http. message. basicNameValuePair; 18 import org. apache. http. params. basicHttpParams; 19 import org. apache. http. params. httpConnectionParams; 20 import org. apache. http. params. httpParams; 21 import org. apache. http. util. enti TyUtils; 22 23 import android. content. context; 24 25/** 26 * network connection class 27*28 * @ author LiJinlun 29*30 */31 public class NetUtils {32 33/** 34 * Get Json data 35*36 * @ param 37 * @ return 38 */39 40 public static String post (Map <String, string> paramMap, String URL, Context context) {41 42 String result = null; 43 HttpPost httpRequest = new HttpPost (URL); 44 List <NameValuePair> params = new ArrayList <NameValuePair> (); 45 46 paramMap. put ("machineCode", CommonUtil. getMachineCode (context); 47 paramMap. put ("cid", CommonUtil. getCid (context ). toString (); 48 49 for (Map. entry <String, String> param: paramMap. entrySet () {50 params. add (new BasicNameValuePair (param. getKey (), param. getValue (); 51} 52 // print the log 53 LogUtils. d (SysUtils. LOG_TAG, "package removal:" + URL + params. toString (); 54 HttpEntit Y httpEntity; 55 HttpClient httpClient = null; 56 try {57 httpEntity = new UrlEncodedFormEntity (params, "UTF-8"); 58 httpRequest. setEntity (httpEntity); 59 httpClient = getHttpClient (); 60 HttpResponse httpResponse = httpClient.exe cute (httpRequest); 61 62 int status = httpResponse. getStatusLine (). getStatusCode (); 63 if (status = HttpStatus. SC _ OK) {64 result = EntityUtils. toString (httpResponse. ge TEntity (); 65 // print back the package log 66 LogUtils. d (SysUtils. LOG_TAG, "return package:" + result. toString (); 67 return result; 68} 69} catch (IOException e) {70 e. printStackTrace (); 71 return SysUtils. errorcode. ERROR_TIMEOUT + ""; 72} finally {73 if (httpClient! = Null) 74 httpClient. getConnectionManager (). shutdown (); 75} 76 return null; 77} 78 79/** 80 * get data 81*82 * @ param url 83 * @ return 84 */85 public static String get (String url) {86 // print the unwrapped log 87 LogUtils. d (SysUtils. LOG_TAG, "package removal:" + url. toString (); 88 String result = null; 89 HttpGet get = new HttpGet (url); 90 HttpClient client = new DefaultHttpClient (); 91 try {92 HttpResponse response = client.exe cute (get); 93 int status = response. getStatusLine (). getStatusCode (); 94 if (status = HttpStatus. SC _ OK) {95 result = EntityUtils. toString (response. getEntity (), "UTF-8"); 96 // print back package log 97 LogUtils. d (SysUtils. LOG_TAG, "return package:" + result. toString (); 98 return result; 99} 100} catch (IOException e) {101 e. printStackTrace (); 102 return SysUtils. errorcode. ERROR_TIMEOUT + ""; 103} finally {104 client. getConnectionManager (). shutdown (); 105} 106 return null; 107} 108 109 public static HttpClient getHttpClient () {110 HttpParams httpParams = new BasicHttpParams (); 111 HttpConnectionParams. setConnectionTimeout (httpParams, 8*1000); 112 HttpConnectionParams. setSoTimeout (httpParams, 8*1000); 113 // HttpClientParams. setRedirecting (httpParams, true); 114 HttpClient client = new DefaultHttpClient (httpParams); 115 // client. getParams (). setIntParameter (HttpConnectionParams. SO_TIMEOUT, 116 // 8*1000); // timeout setting 117 // client. getParams (). setIntParameter (118 // HttpConnectionParams. CONNECTION_TIMEOUT, 8*1000); // connection timeout 119 return client; 120} 121 122}