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package org.bukkit.craftbukkit.updater;
import com.google.gson.*;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Type;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
public class BukkitDLUpdaterService {
private static final String API_PREFIX = "/api/1.0/downloads/projects/craftbukkit/view/";
private static final DateDeserializer dateDeserializer = new DateDeserializer();
private final String host;
public BukkitDLUpdaterService(String host) {
this.host = host;
}
public ArtifactDetails getArtifact(String slug) {
try {
return fetchArtifact(slug);
} catch (UnsupportedEncodingException ex) {
Logger.getLogger(BukkitDLUpdaterService.class.getName()).log(Level.WARNING, "Could not get Artifact details for the auto-updater: " + ex.getClass().getSimpleName());
} catch (IOException ex) {
Logger.getLogger(BukkitDLUpdaterService.class.getName()).log(Level.WARNING, "Could not get Artifact details for the auto-updater: " + ex.getClass().getSimpleName());
}
return null;
}
public ArtifactDetails fetchArtifact(String slug) throws UnsupportedEncodingException, IOException {
URL url = new URL("http", host, API_PREFIX + slug);
InputStreamReader reader = null;
try {
reader = new InputStreamReader(url.openStream());
Gson gson = new GsonBuilder().registerTypeAdapter(Date.class, dateDeserializer).setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES).create();
ArtifactDetails fromJson = gson.fromJson(reader, ArtifactDetails.class);
return fromJson;
} finally {
if (reader != null) {
reader.close();
}
}
}
static class DateDeserializer implements JsonDeserializer<Date> {
private static final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
public Date deserialize(JsonElement je, Type type, JsonDeserializationContext jdc) throws JsonParseException {
try {
return format.parse(je.getAsString());
} catch (ParseException ex) {
throw new JsonParseException("Date is not formatted correctly", ex);
}
}
}
}
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