HttpClient Post GET request call

Package Com.paic.nets.common.esg;import Com.alibaba.fastjson.json;import Com.alibaba.fastjson.jsonobject;import Com.paic.pafa.app.lwc.core.util.collectionutils;import Org.apache.commons.httpclient.httpclient;import Org.apache.commons.httpclient.httpstatus;import Org.apache.commons.httpclient.namevaluepair;import Org.apache.commons.httpclient.uriexception;import Org.apache.commons.httpclient.methods.getmethod;import Org.apache.commons.httpclient.methods.postmethod;import Org.apache.commons.httpclient.params.HttpMethodParams; Import Org.apache.commons.httpclient.util.uriutil;import Org.apache.commons.lang.stringutils;import Org.directwebremoting.util.logger;import Java.util.hashmap;import java.util.map;/** * ESG calls public class */public class    Esgaccesser {private static final Logger Logger = Logger.getlogger (Esgaccesser.class);    private static final String Http_post = "POST";    Private static final map<string, string> token_cache = new hashmap<string, string> (); public static Final String error_token = "13002";    public static final String Invalid_token = "13012";    public static final String ret_status = "RET" for ESG platform;    ESG Platform Returns a code that identifies success public static final String status_success = "0";    Private String Gettokenurl;    Private String Accessurl;    Private String Vuserid;    Private String Vuserpassword;     /** * Call the Extranet tool class * * @param esgurlcode ESG Platform Registered interface code * @param paramsmap Incoming parameter * @param the type of HttpMethod request * @return return JSON results * @throws Exception */public string Inaccessout (string esgurlcode, Map Paramsmap, Strin G HttpMethod) throws Exception {if (Stringutils.isblank (esgurlcode) | |        Stringutils.isblank (HttpMethod)) {return "";        } String resultstring = Invoke (Esgurlcode, Paramsmap, HttpMethod);        Jsonobject jsonobject = Json.parseobject (resultstring);        String retstatus = jsonobject.getstring (ret_status);       13002: Illegal access_token 13012: Defunct invalid Access_token if (error_token.equals (retstatus) | |            Invalid_token.equals (Retstatus)) {Getaccesstoken ();            Resultstring = Invoke (Esgurlcode, Paramsmap, HttpMethod);            Jsonobject = Json.parseobject (resultstring);        Retstatus = jsonobject.getstring (ret_status); } if (!        Status_success.equals (Retstatus)) {return "";    } return jsonobject.getstring ("data");        }/** * received token of recognition (valid for 1 hours) */private void Getaccesstoken () {stringbuffer url = new StringBuffer (); Url.append (Gettokenurl). Append ("? client_id=" + Vuserid). Append ("&grant_type=out_agent"). Append (        "&client_secret="). Append (Vuserpassword);        Logger.info ("Start getting token:url:[[" + URL);        String Tokenresult = doget (url.tostring (), NULL);        Logger.info ("End Get token:tokenresult:[[" + tokenresult);        Jsonobject jsonobject = Json.parseobject (Tokenresult);     String retstatus = jsonobject.getstring (ret_status);   if (!        Status_success.equals (Retstatus)) {return;    } token_cache.put ("TOKEN", Jsonobject.getjsonobject ("Data"). GetString ("Access_token")); }/** * Execute HTTP request * @param esgurlcode ESG Platform Interface encoding * @param paramsmap parameter * @param httpmethod call mode p OST Get * @return */private string Invoke (String Esgurlcode, Map paramsmap, String httpmethod) {LOGGER . info ("Start call: esgurlcode:[[" + Esgurlcode + "]],paramsmap:[[" + json.tojsonstring (paramsmap) + "]],httpmethod        : [["+ HttpMethod);        StringBuffer url = new StringBuffer ();                Url.append (Accessurl). Append (Esgurlcode). Append ("? esg_outer_access_token="). Append (Token_cache.get ("token"))        . Append ("&esg_outer_request_id="). Append (System.currenttimemillis ());        String resultstring;        if (Http_post.equalsignorecase (HttpMethod)) {resultstring = DoPost (url.tostring (), paramsmap); } else {resultstring = Doget (url.tOstring (), paramsmap);        } logger.info ("Result call: resultstring:[[" + resultstring);    return resultstring; /** * Executes an HTTP GET request that returns the HTML * * @param URL request of the request URL * @param the params request query parameter, can be null * @re Turn return Request Response HTML */Private String doget (string url, map<string, string> params) {string queryString        = Geturlfromparamap (params);        GetMethod method = new GetMethod (URL);        String response = ""; try {if (Stringutils.isnotblank (queryString)) {method.setquerystring (uriutil.encodequery (query            String));            } method.addrequestheader ("Content-type", "application/x-www-form-urlencoded;charset=utf-8");            Method.addrequestheader ("Accept", "application/json;charset=utf-8");            HttpClient client = new HttpClient ();            Client.getparams (). Setparameter (Httpmethodparams.http_content_charset, "utf-8");            Client.executemethod (method); If (Method.getstatuscode () = = HTTPSTATUS.SC_OK)            {response = method.getresponsebodyasstring (); }} catch (Uriexception e) {logger.error ("when executing an HTTP GET request, the encoded query string [[" + QueryString + "]] has an exception!        ", e); } catch (Exception e) {logger.error ("Execute HTTP GET request [[" + URL +]], an exception occurred!        ", e);        } finally {method.releaseconnection ();    } return response; The/** * GET request resolves the Map parameter * @param params * @return */private String Geturlfromparamap (map<string, St        Ring> params) {if (Collectionutils.isempty (params)) {return "";        } stringbuffer queryString = new StringBuffer ();        Querystring.append ("?"); For (map.entry<string, string> entry:params.entrySet ()) {Querystring.append ("&"). Append (entry.getk        EY ()). Append ("="). Append (Entry.getvalue ());    } return querystring.tostring ();    /** * Executes an HTTP POST request that returns the HTML of the request response * * @param URL requested URL address * @param params request query parameter, can be NULL * @return return Request Response HTML */private String DoP        OST (String URL, map<string, string> params) {namevaluepair[] valuepairs = Getpostpair (params);        Postmethod method = new Postmethod (URL);        if (valuepairs! = null) {method.setrequestbody (valuepairs); } method.addrequestheader ("Content-type", "application/x-www-form-urlencoded;charset=utf-8");//Key Code METHOD.A        Ddrequestheader ("Accept", "application/json;charset=utf-8");//Key code String response = "";            try {HttpClient client = new HttpClient ();            Client.getparams (). Setparameter (Httpmethodparams.http_content_charset, "utf-8");            Client.executemethod (method);            if (method.getstatuscode () = = HTTPSTATUS.SC_OK) {response = method.getresponsebodyasstring (); }} catch (Exception e) {logger.error ("executes HTTP POST request [[" + URL +]], occursAbnormal!        ", e);        } finally {method.releaseconnection ();    } return response; }/** * POST request Resolution MAP parameter * @param params * @return */private namevaluepair[] Getpostpair (map<string        , string> params) {if (Collectionutils.isempty (params)) {return new namevaluepair[0];        } namevaluepair[] Pairs = new namevaluepair[params.size ()];        Namevaluepair Temppair;        int size = 0; For (map.entry<string, string> entry:params.entrySet ()) {Temppair = new Namevaluepair (Entry.getkey (),            Entry.getvalue ());            Pairs[size] = Temppair;        size++;    } return pairs;    } public String Getgettokenurl () {return gettokenurl;    } public void Setgettokenurl (String gettokenurl) {this.gettokenurl = Gettokenurl;    } public String Getaccessurl () {return accessurl; } public void Setaccessurl (String accessurl) {This.accessurl = ACCessurl;    } public String Getvuserid () {return vuserid;    } public void Setvuserid (String vuserid) {this.vuserid = Vuserid;    } public String Getvuserpassword () {return vuserpassword;    } public void Setvuserpassword (String vuserpassword) {This.vuserpassword = Vuserpassword; }}

　　

HttpClient Post GET request call