93 lines
2.6 KiB
Java
93 lines
2.6 KiB
Java
package org.gcube.dataharvest.harvester;
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.text.ParseException;
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import java.util.ArrayList;
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import java.util.Date;
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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.gcube.dataharvest.datamodel.Harvest;
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import org.gcube.dataharvest.utils.Utils;
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import org.json.JSONArray;
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import org.json.JSONObject;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class SocialHarvester extends BasicHarvester {
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private static Logger logger = LoggerFactory.getLogger(SocialHarvester.class);
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private int likes, replies, posts;
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private long from = 0, to = 0;
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public SocialHarvester(Date start, Date end) throws ParseException {
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super(start, end);
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this.from = startDate.getTime();
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this.to = endDate.getTime();
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}
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@Override
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public List<Harvest> getData() throws Exception {
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String context = Utils.getCurrentContext();
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try {
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ArrayList<Harvest> data = new ArrayList<Harvest>();
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getJson();
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Harvest likesH = new Harvest(Harvest.SOCIAL_LIKES, context, likes);
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logger.debug("{}", likesH);
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data.add(likesH);
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Harvest postsH = new Harvest(Harvest.SOCIAL_POSTS, context, posts);
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logger.debug("{}", postsH);
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data.add(postsH);
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Harvest socialReplies = new Harvest(Harvest.SOCIAL_REPLIES, context, replies);
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logger.debug("{}", socialReplies);
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data.add(socialReplies);
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return data;
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} catch(Exception e) {
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logger.error("Error Harvesting Social Interactions for context {}", context, e);
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throw e;
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}
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}
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private void getJson() throws MalformedURLException, IOException {
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likes = replies = posts = 0;
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// la seguente stringa deve essere letta dinamicamente
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String url = "https://socialnetworking1.d4science.org/social-networking-library-ws/rest/2/posts/get-posts-vre?gcube-token=";
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String token = SecurityTokenProvider.instance.get();
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JSONObject jsonObject = new JSONObject(Utils.getJson(url + token));
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Boolean success = (Boolean) jsonObject.get("success");
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if(success == false) {
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String message = "getJson() on token: " + token + " success=false";
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logger.error(message);
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throw new IOException(message);
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}
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JSONArray res = jsonObject.getJSONArray("result");
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int len = res.length();
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for(int i = 0; i < len; i++) {
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JSONObject item = res.getJSONObject(i);
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long time = item.getLong("time");
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//System.out.println(from + " - " + time + " - " + to );
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if((from <= time) && (time <= to)) {
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posts++;
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replies += item.getInt("comments_no");
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likes += item.getInt("likes_no");
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}
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}
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}
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}
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