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package de.romjaki.icndbwrapper;
import com.google.gson.Gson;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Map;
import java.util.Scanner;
import java.util.function.Consumer;
public class RestAction<T> {
private final GsonSchematic<T> emptySchematic;
private final String url;
private final Map<String, String> parameters;
public RestAction(GsonSchematic<T> emptySchematic, String relativeUrl, Map<String, String> parameters) {
this.emptySchematic = emptySchematic;
this.url = relativeUrl;
this.parameters = parameters;
}
public static String executeRequest(String url, Map<String, String> parameters, String method) throws IOException {
HttpURLConnection con = (HttpURLConnection) new URL(ICNDB.API_URL + url).openConnection();
con.setRequestMethod(method);
con.setUseCaches(false);
parameters.forEach(con::addRequestProperty);
Scanner s = new Scanner(con.getInputStream());
s.useDelimiter("\\A");
return s.next();
}
public Thread queue() {
return queue(null);
}
public Thread queue(Consumer<T> success) {
return queue(success, null);
}
public Thread queue(Consumer<T> success, Consumer<T> fail) {
Thread t = new Thread(() -> {
Gson gson = new Gson();
GsonSchematic<T> schematic = null;
try {
schematic = gson.fromJson(executeGet(RestAction.this.url, RestAction.this.parameters), emptySchematic.getClass());
} catch (IOException e) {
e.printStackTrace();
}
if (schematic.succeeded()) {
success.accept(schematic.result());
}
});
t.start();
return t;
}
private String executeGet(String url, Map<String, String> parameters) throws IOException {
return executeRequest(url, parameters, "GET");
}
@SuppressWarnings({"unchecked"})
public T complete() {
try {
Object[] outside = new Object[1];
queue(a -> outside[0] = a).join();
return (T) outside[0];
} catch (InterruptedException e) {
}
return null;
}
}
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