72 lines
2.7 KiB
Java
72 lines
2.7 KiB
Java
/**
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* updater for Project HomeFlix
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* checks for Updates and downloads it in case there is one
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*/
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package application;
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import java.io.BufferedReader;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.URL;
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import java.nio.channels.Channels;
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import java.nio.channels.ReadableByteChannel;
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public class updater extends Thread{
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private MainWindowController mainWindowController;
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private String buildURL;
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private String downloadLink;
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private String aktBuildNumber;
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private String buildNumber;
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public updater(MainWindowController m, String buildURL,String downloadLink,String aktBuildNumber,String buildNumber){
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mainWindowController=m;
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this.buildURL=buildURL;
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this.downloadLink=downloadLink;
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this.aktBuildNumber=aktBuildNumber;
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this.buildNumber=buildNumber;
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}
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public void run(){
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System.out.println("check for updates ...");
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try {
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URL url = new URL(buildURL); //URL der Datei mit aktueller Versionsnummer
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BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
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aktBuildNumber = in.readLine(); //schreibt inputstream in String
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in.close();
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} catch (IOException e1) {
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mainWindowController.showErrorMsg(mainWindowController.errorUpdateV, e1);
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}
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System.out.println("Build: "+buildNumber+", Update: "+aktBuildNumber);
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//vergleicht die Versionsnummern, bei aktversion > version wird ein Update durchgrf<72>hrt
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int iversion = Integer.parseInt(buildNumber);
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int iaktVersion = Integer.parseInt(aktBuildNumber.replace(".", ""));
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if(iversion >= iaktVersion){
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// mainWindowController.updateBtn.setText(mainWindowController.bundle.getString("updateBtnNotavail"));
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System.out.println("no update available");
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}else{
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// mainWindowController.updateBtn.setText(mainWindowController.bundle.getString("updateBtnavail"));
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System.out.println("update available");
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try {
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URL website;
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URL downloadURL = new URL(downloadLink);
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BufferedReader in = new BufferedReader(new InputStreamReader(downloadURL.openStream()));
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String updateDataURL = in.readLine();
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website = new URL(updateDataURL); //Update URL
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ReadableByteChannel rbc = Channels.newChannel(website.openStream()); //open new Stream/Channel
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FileOutputStream fos = new FileOutputStream("ProjectHomeFlix.jar"); //nea fileoutputstram for ProjectHomeFLix.jar
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fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); //gets file from 0 to max size
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fos.close(); //close fos (extrem wichtig!)
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Runtime.getRuntime().exec("java -jar ProjectHomeFlix.jar"); //start again
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System.exit(0); //finishes itself
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} catch (IOException e) {
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//in case there is an error
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mainWindowController.showErrorMsg(mainWindowController.errorUpdateD, e);
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}
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}
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}
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}
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