Differential D62 Diff 204 src/it/reyboz/bustorino/backend/GTTStopsFetcher.java

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src/it/reyboz/bustorino/backend/GTTStopsFetcher.java

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import java.net.URLEncoder;		import java.net.URLEncoder;
import java.util.ArrayList;		import java.util.ArrayList;
import java.util.Collections;		import java.util.Collections;
import java.util.List;		import java.util.List;
import java.util.concurrent.atomic.AtomicReference;		import java.util.concurrent.atomic.AtomicReference;

public class GTTStopsFetcher implements StopsFinderByName {		public class GTTStopsFetcher implements StopsFinderByName {
@Override @NonNull		@Override @NonNull
public List<Stop> FindByName(String name, AtomicReference<result> res) {		public List<Stop> FindByName(String name, AtomicReference<Result> res) {
URL url;		URL url;
// sorting an ArrayList should be faster than a LinkedList and the API is limited to 15 results		// sorting an ArrayList should be faster than a LinkedList and the API is limited to 15 results
List<Stop> s = new ArrayList<>(15);		List<Stop> s = new ArrayList<>(15);
List<Stop> s2 = new ArrayList<>(15);		List<Stop> s2 = new ArrayList<>(15);
String fullname;		String fullname;
String content;		String content;
String bacino;		String bacino;
String localita;		String localita;
Route.Type type;		Route.Type type;
JSONArray json;		JSONArray json;
int howManyStops, i;		int howManyStops, i;
JSONObject thisstop;		JSONObject thisstop;

if(name.length() < 3) {		if(name.length() < 3) {
res.set(result.QUERY_TOO_SHORT);		res.set(Result.QUERY_TOO_SHORT);
return s;		return s;
}		}

try {		try {
url = new URL("http://www.gtt.to.it/cms/components/com_gtt/views/palinejson/view.html.php?term=" + URLEncoder.encode(name, "utf-8"));		url = new URL("http://www.gtt.to.it/cms/components/com_gtt/views/palinejson/view.html.php?term=" + URLEncoder.encode(name, "utf-8"));
} catch (Exception e) {		} catch (Exception e) {
res.set(result.PARSER_ERROR);		res.set(Result.PARSER_ERROR);
return s;		return s;
}		}

content = networkTools.queryURL(url, res);		content = networkTools.queryURL(url, res);
if(content == null) {		if(content == null) {
return s;		return s;
}		}

try {		try {
json = new JSONArray(content);		json = new JSONArray(content);
} catch(JSONException e) {		} catch(JSONException e) {
if(content.contains("[]")) {		if(content.contains("[]")) {
// when no results are found, server returns a PHP Warning and an empty array. In case they fix the warning, we're looking for the array.		// when no results are found, server returns a PHP Warning and an empty array. In case they fix the warning, we're looking for the array.
res.set(result.EMPTY_RESULT_SET);		res.set(Result.EMPTY_RESULT_SET);
} else {		} else {
res.set(result.PARSER_ERROR);		res.set(Result.PARSER_ERROR);
}		}
return s;		return s;
}		}

howManyStops = json.length();		howManyStops = json.length();
if(howManyStops == 0) {		if(howManyStops == 0) {
res.set(result.EMPTY_RESULT_SET);		res.set(Result.EMPTY_RESULT_SET);
return s;		return s;
}		}

try {		try {
for(i = 0; i < howManyStops; i++) {		for(i = 0; i < howManyStops; i++) {
thisstop = json.getJSONObject(i);		thisstop = json.getJSONObject(i);
fullname = thisstop.getString("data");		fullname = thisstop.getString("data");
String ID = thisstop.getString("value");		String ID = thisstop.getString("value");
Show All 28 Lines	public List<Stop> FindByName(String name, AtomicReference<Result> res) {
} else {		} else {
type = FiveTNormalizer.decodeType("", bacino);		type = FiveTNormalizer.decodeType("", bacino);
}		}
//TODO: refactor using content provider		//TODO: refactor using content provider
s.add(new Stop(fullname, ID, localita, type,null));		s.add(new Stop(fullname, ID, localita, type,null));

}		}
} catch (JSONException e) {		} catch (JSONException e) {
res.set(result.PARSER_ERROR);		res.set(Result.PARSER_ERROR);
return s;		return s;
}		}

if(s.size() < 1) {		if(s.size() < 1) {
// shouldn't happen but prevents the next part from catching fire		// shouldn't happen but prevents the next part from catching fire
res.set(result.EMPTY_RESULT_SET);		res.set(Result.EMPTY_RESULT_SET);
return s;		return s;
}		}

Collections.sort(s);		Collections.sort(s);

// the next loop won't work with less than 2 items		// the next loop won't work with less than 2 items
if(s.size() < 2) {		if(s.size() < 2) {
res.set(result.OK);		res.set(Result.OK);
return s;		return s;
}		}

/* There are some duplicate stops returned by this API.		/* There are some duplicate stops returned by this API.
* Long distance buses have stop IDs with 5 digits. Always. They are zero-padded if there		* Long distance buses have stop IDs with 5 digits. Always. They are zero-padded if there
* aren't enough. E.g. stop 631 becomes 00631.		* aren't enough. E.g. stop 631 becomes 00631.
*		*
* Unfortunately you can't use padded stops to query any API.		* Unfortunately you can't use padded stops to query any API.
Show All 30 Lines	public List<Stop> FindByName(String name, AtomicReference<Result> res) {
}		}
}		}

// unless the last one was garbage (i would be howManyStops+1 in that case), add it		// unless the last one was garbage (i would be howManyStops+1 in that case), add it
if(i == howManyStops) {		if(i == howManyStops) {
s2.add(s.get(i-1));		s2.add(s.get(i-1));
}		}

res.set(result.OK);		res.set(Result.OK);
return s2;		return s2;
}		}

}		}