89 lines
3.4 KiB
Java
89 lines
3.4 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.File;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import javax.swing.ProgressMonitor;
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import javax.swing.ProgressMonitorInputStream;
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import org.apache.commons.io.FileUtils;
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import javafx.application.Platform;
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public class updater implements Runnable{
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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 updateBuildNumber;
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private String buildNumber;
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public updater(MainWindowController m, String buildURL,String downloadLink,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.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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Platform.runLater(() -> {
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mainWindowController.updateBtn.setText(mainWindowController.bundle.getString("checkingUpdates"));
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});
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try {
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URL url = new URL(buildURL); //URL of the text file with the current build number
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BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
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updateBuildNumber = in.readLine(); //write 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: "+updateBuildNumber);
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//Compares the program BuildNumber with the current BuildNumber if program BuildNumber < current BuildNumber then perform a update
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int iversion = Integer.parseInt(buildNumber);
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int iaktVersion = Integer.parseInt(updateBuildNumber.replace(".", ""));
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if(iversion >= iaktVersion){
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Platform.runLater(() -> {
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mainWindowController.updateBtn.setText(mainWindowController.bundle.getString("updateBtnNotavail"));
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});
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System.out.println("no update available");
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}else{
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Platform.runLater(() -> {
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mainWindowController.updateBtn.setText(mainWindowController.bundle.getString("updateBtnavail"));
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});
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System.out.println("update available");
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try {
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//get the download-Data URL
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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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//open new Http connection, ProgressMonitorInputStream for downloading the data
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HttpURLConnection conn = (HttpURLConnection) new URL(updateDataURL).openConnection();
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ProgressMonitorInputStream pmis = new ProgressMonitorInputStream(null, "Downloading...", conn.getInputStream());
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ProgressMonitor pm = pmis.getProgressMonitor();
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pm.setMillisToDecideToPopup(0);
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pm.setMillisToPopup(0);
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pm.setMinimum(0);// tell the progress bar that we start at the beginning of the stream
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pm.setMaximum(conn.getContentLength());// tell the progress bar the total number of bytes we are going to read.
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FileUtils.copyInputStreamToFile(pmis, new File("ProjectHomeFlix.jar"));
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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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