107 lines
2.7 KiB
Java
107 lines
2.7 KiB
Java
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package org.gcube.accounting.insert.storage.utils;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.List;
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import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.google.gson.Gson;
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/**
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* Retrieves the list user form the base url of the social-networking service in the scope provided
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* @author Alessandro Pieve at ISTI-CNR
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* (alessandro.pieve@isti.cnr.it)
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*/
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public class DiscoveryListUser {
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private static Logger log = LoggerFactory.getLogger(DiscoveryListUser.class);
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private List<String> listUser = null;
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public DiscoveryListUser(String context,String urlService) {
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try{
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String token =SecurityTokenProvider.instance.get();
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DiscoveryServiceListUser discoveryList= new DiscoveryServiceListUser(context);
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if (urlService==null){
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urlService=discoveryList.getBasePath()+"="+token;
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}
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log.debug("service DiscoveryServiceListUser:"+urlService);
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log.debug("scope:{} ,tokend:{}",context,token);
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String data = getJSON(urlService);
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log.debug("data read:{}",data);
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ListUser msg = new Gson().fromJson(data, ListUser.class);
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//TODO for debug limit a list user:
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listUser=msg.getResult();
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}
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catch (Exception ex) {
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log.error("DiscoveryListUserException:{}",ex);
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throw ex ;
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}
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}
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/**
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* Get the base path of the social networking service
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* @return
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*/
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public List<String> getListUser() {
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return listUser;
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}
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/**
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*
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* @param url
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* @return String response content
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*/
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public String getJSON(String url) {
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HttpURLConnection c = null;
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try {
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URL u = new URL(url);
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c = (HttpURLConnection) u.openConnection();
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c.setRequestMethod("GET");
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c.setRequestProperty("Content-length", "0");
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c.setFollowRedirects(true);
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c.setUseCaches(false);
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c.setAllowUserInteraction(false);
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c.connect();
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int status = c.getResponseCode();
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log.debug("status:{}",status);
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switch (status) {
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case 200:
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case 201:
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BufferedReader br = new BufferedReader(new InputStreamReader(c.getInputStream()));
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StringBuilder sb = new StringBuilder();
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String line;
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while ((line = br.readLine()) != null) {
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sb.append(line+"\n");
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}
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br.close();
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return sb.toString();
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}
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} catch (MalformedURLException ex) {
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log.error("MalformedURLException:{}",ex);
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} catch (IOException ex) {
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log.error("IOException:{}",ex);
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} finally {
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if (c != null) {
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try {
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c.disconnect();
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} catch (Exception ex) {
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log.error("Exception:{}",ex);
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}
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}
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}
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return null;
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}
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}
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