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package eu.dnetlib.data.claims.utils;
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import com.google.gson.Gson;
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import org.apache.log4j.Logger;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.StringReader;
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import java.net.HttpURLConnection;
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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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public class CommunityUtils {
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private static String communityAPI;
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String name;
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List<String> managers = new ArrayList<String>();
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private final static Logger log = Logger.getLogger(CommunityUtils.class);
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public String getCommunityAPI() { return communityAPI; }
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public void setCommunityAPI(String communityAPI) { CommunityUtils.communityAPI = communityAPI; }
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public List<String> getManagers() {
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return managers;
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}
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public void setManagers(List<String> managers) {
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this.managers = managers;
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}
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public static CommunityUtils getCommunityInfo(String community) {
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String url = communityAPI + community;
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URL obj = null;
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String responseStr = null;
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log.debug("Community info url is " + url);
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try {
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obj = new URL(url);
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HttpURLConnection con = (HttpURLConnection) obj.openConnection();
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log.debug("User info response code is: " + con.getResponseCode());
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if (con.getResponseCode() != 200) {
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return null;
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}
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BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
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StringBuffer response = new StringBuffer();
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String inputLine;
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while ((inputLine = in.readLine()) != null) {
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response.append(inputLine).append("\n");
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}
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in.close();
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responseStr = response.toString();
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} catch (Exception e) {
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log.error("An error occured while trying to fetch user info ", e);
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return null;
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}
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return json2CommunityInfo(responseStr);
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}
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private static CommunityUtils json2CommunityInfo(String json){
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log.debug("Try to create CommunityInfo class from json: "+json);
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if (json == null){
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return null;
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}
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BufferedReader br = new BufferedReader(new StringReader(json));
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//convert the json string back to object
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Gson gson = new Gson();
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CommunityUtils communityInfo = null;
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try {
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communityInfo = gson.fromJson(br, CommunityUtils.class);
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}catch(Exception e){
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log.debug("Error in parsing json response. Given json is : "+json, e);
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return null;
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}
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log.debug("Original response.........: "+communityInfo.toString());
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return communityInfo;
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}
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}
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