GabrielTofvesson/TeamAvionLauncher
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Major Update

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- Created Updater and downloader for updated launcher jar
This commit is contained in:
Gabriel Tofvesson 2016-11-13 21:23:31 +01:00
parent f8fcec098a
commit d8ef436e03
3 changed files with 72 additions and 8 deletions
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12
src/Launcher/Main.java
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@ -30,7 +30,12 @@ import com.tofvesson.async.*;
public class Main extends Application {
public static final URL mainLauncher = Main.class.getResource("/assets/layout/main.fxml"); // Launcher body
// Semantic versioning system data
public static final String semVerDevState = "PreDev"; // Development stage
public static final int semVerMajor = 0; // Major version
public static final int semVerMinor = 0; // Minor version
public static final int semVerPatch = 0; // Patch version
private double xOffset = 0, yOffset = 0; // Offsets for dragging
private Button exit, min, Home_btn, Modpack_btn, Settings_btn, Instance_btn; // Define buttons
@ -47,7 +52,9 @@ public class Main extends Application {
primaryStage.initStyle(StageStyle.UNDECORATED); // Remove ugly trash
root = FXMLLoader.load(mainLauncher);
root = (Pane) Tabs.load("main"); // Load via layout loader
((Label)root.lookup("#version")).setText(((Label) root.lookup("#version")) // Dynamically set version label
.getText().replace("$v", semVerDevState+"-"+semVerMajor+"."+semVerMinor+"."+semVerPatch)); // Use variables to define version
primaryStage.setTitle("Team-Avion Launcher [WIP]");
primaryStage.setScene(new Scene(root, 900, 500));
primaryStage.show();
@ -150,7 +157,6 @@ public class Main extends Application {
public static void main(String[] args) {
Updater u = Updater.getInstance();
launch(args);
}

66
src/Launcher/net/Updater.java
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@ -3,10 +3,17 @@ package Launcher.net;
import com.tofvesson.async.Async;
import com.tofvesson.reflection.SafeReflection;
import java.io.IOException;
import javax.net.ssl.HttpsURLConnection;
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static Launcher.Main.semVerMajor;
import static Launcher.Main.semVerMinor;
import static Launcher.Main.semVerPatch;
/**
* Simple thing for updating launcher
@ -15,21 +22,72 @@ public class Updater {
private static volatile Updater instance;
private static final Async<Updater> setup = new Async<>(SafeReflection.getFirstConstructor(Updater.class));
private URLConnection conn;
public static final Pattern version = Pattern.compile("(?s)<span class=\"css-truncate-target\">.*(\\d).(\\d).(\\d)</span>.*<a href=\"/GabrielTofvesson/TeamAvionLauncher/releases/download/(.*)\\.jar\" rel=\"nofollow\">"); // Pattern to match when finding refs
private HttpsURLConnection conn;
public static final URL updateURL;
private boolean isUpdateAvailable = false;
static {
URL u = null;
try { u = new URL("https://github.com/GabrielTofvesson/TeamAvionLauncher/releases/"); } catch (MalformedURLException e) { e.printStackTrace(); }
try { u = new URL("https://github.com/GabrielTofvesson/TeamAvionLauncher/releases"); } catch (MalformedURLException e) { e.printStackTrace(); }
updateURL = u;
}
private Updater(){
try {
conn = updateURL.openConnection();
conn = (HttpsURLConnection) updateURL.openConnection();
conn.setDoOutput(true);
conn.setDoInput(true);
conn.setRequestMethod("GET");
conn.setRequestProperty("User-Agent", "Mozilla/5.0");
if(conn.getResponseCode()!=200) return; // Can't get update site
conn.connect();
BufferedReader in = new BufferedReader(new InputStreamReader(
conn.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
Matcher m = version.matcher(response.toString());
int semMajor = 0, semMinor = 0, semPatch = 0;
String downloadLink = "";
while(m.find()){
int semMaj = Integer.parseInt(m.group(1)),
semMin = Integer.parseInt(m.group(2)),
semPat = Integer.parseInt(m.group(3));
if(semMaj < semVerMajor || (semMaj==semVerMajor && semMin<semVerMinor) ||
(semMaj==semVerMajor && semMin==semVerMinor && semPat<=semVerPatch)) continue; // Version found isn't new
semMajor = semMaj;
semMinor = semMin;
semPatch = semPat;
downloadLink = "https://github.com/GabrielTofvesson/TeamAvionLauncher/releases/download/"+m.group(4)+".jar";
}
if(downloadLink.equals("")) return;
File f = new File("Tal1.jar");
f.createNewFile();
OutputStream o = new FileOutputStream(f);
HttpsURLConnection dl = (HttpsURLConnection) new URL(downloadLink).openConnection(); // Downloader
dl.setDoOutput(true);
dl.setDoInput(true);
dl.setRequestMethod("GET");
dl.setRequestProperty("User-Agent", "Mozilla/5.0");
if(dl.getResponseCode()!=200) return;
dl.connect();
InputStream reader = dl.getInputStream();
int i;
byte[] buffer = new byte[256];
while((i=reader.read(buffer))!=-1) o.write(buffer, 0, i);
reader.close();
o.close();
Runtime.getRuntime().exec("java -jar Tal1.jar");
} catch (IOException e) {
e.printStackTrace();
System.out.println("No internet connection available!");
}
}

2
src/assets/layout/main.fxml
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@ -40,7 +40,7 @@
</font>
</Button>
<Pane id="tab" layoutX="150.0" layoutY="50.0" prefHeight="450.0" prefWidth="750.0" />
<Label layoutX="17.0" layoutY="455.0" text="Version : PreDev-0.1.0" textFill="white" />
<Label id="version" layoutX="17.0" layoutY="455.0" text="Version : $v" textFill="white" />
<Label layoutX="9.0" layoutY="472.0" text="Copyright 2016 TeamAvion" textFill="WHITE">
<font>
<Font size="11.0" />