X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=jarrg-owen.git;a=blobdiff_plain;f=src%2Fcom%2Ftedpearson%2Futil%2Fupdate%2FUpdater.java;fp=src%2Fcom%2Ftedpearson%2Futil%2Fupdate%2FUpdater.java;h=0000000000000000000000000000000000000000;hp=cd396c5cc36aef8d9db6cc2111bca2450878ed0a;hb=9798bb484ad76c304946a280926cff8f5b4ad125;hpb=fd6771cc8d1fcd52119c3658f62ebd7f39ee4f81

diff --git a/src/com/tedpearson/util/update/Updater.java b/src/com/tedpearson/util/update/Updater.java
deleted file mode 100644
index cd396c5..0000000
--- a/src/com/tedpearson/util/update/Updater.java
+++ /dev/null
@@ -1,189 +0,0 @@
-package com.tedpearson.util.update;
-
-import java.net.*;
-import java.io.*;
-import java.util.prefs.*;
-import java.awt.Component;
-import javax.swing.JOptionPane;
-import javax.swing.*;
-
-/*
-	TODO:
-	show update window with progress bar when updating (optionally)
-*/
-
-public class Updater {
-	private int version = -1;
-	private URL downloadURL;
-	private static Updater updater = new Updater();
-	
-	public static Updater getUpdater() {
-		return updater;
-	}
-	
-	public boolean checkForUpdate(
-			Component parentComponent,
-			String updateUrl,
-			int currentVersion) {
-		return checkForUpdate(parentComponent, updateUrl, "this program", currentVersion, true);
-	}
-	
-	
-	/**
-	* Just check to see if there is an update.
-	*/
-	public boolean checkForUpdate(
-			Component parentComponent,
-			String updateUrl,
-			String program,
-			int currentVersion,
-			boolean promptUser) {
-		String node = "com/tedpearson/update";
-		Preferences prefs = Preferences.userRoot().node(node);
-		String update = prefs.get(updateUrl,"");
-		if(update.equals("Never")) {
-			return false;
-		}
-		if(!update.equals("Yes")) {
-			if(!promptUser) {
-				return false;
-			}
-			// first, confirm user wants to allow updates
-			int option = JOptionPane.showOptionDialog(parentComponent,
-				"Do you want to let " + program + " check for updates when it opens?",
-				"Check for Updates?",
-				0, JOptionPane.QUESTION_MESSAGE,
-				null, new String[] {"Yes","This Time","Not Now","Never"},"Yes");
-			switch(option) {
-				case 2:
-					return false;
-				case 3:
-					prefs.put(updateUrl,"Never");
-					return false;
-				case 0:
-					prefs.put(updateUrl,"Yes");
-				case 1:
-			}
-		}
-		// query the server to check the version number
-		accessVersion(parentComponent, updateUrl);
-		// System.out.println(version+","+currentVersion);
-		if(version > currentVersion) {
-			return true;
-		} else {
-			return false;
-		}
-	}
-	
-	public void checkAndUpdate(
-			Component parentComponent,
-			String updateUrl,
-			String program,
-			int currentVersion,
-			boolean promptUser,
-			String jar) {
-		if(checkForUpdate(parentComponent, updateUrl, program, currentVersion, promptUser)) {
-			updateJar(parentComponent, updateUrl, currentVersion, promptUser, jar);
-		}
-	}
-	
-	public void checkAndUpdate(
-			Component parentComponent,
-			String updateUrl,
-			int currentVersion) {
-		if(checkForUpdate(parentComponent, updateUrl, currentVersion)) {
-			updateJar(parentComponent, updateUrl, currentVersion);
-		}
-	}
-	
-	public void updateJar(
-			Component parentComponent,
-			String updateUrl,
-			int currentVersion) {
-		updateJar(parentComponent, updateUrl, currentVersion, true, null);
-	}
-	
-	public void updateJar(
-			Component parentComponent,
-			String updateUrl,
-			int currentVersion,
-			boolean promptUser,
-			String jar) {
-		try {
-			accessVersion(parentComponent, updateUrl);
-			// download new version
-			File temp = File.createTempFile("com.tedpearson.updater.download",null);
-			temp.deleteOnExit();
-			URLConnection conn = downloadURL.openConnection();
-			ProgressMonitorInputStream pmis = new ProgressMonitorInputStream(
-				parentComponent,
-				"Downloading program update",
-				conn.getInputStream()
-			);
-			ProgressMonitor pm = pmis.getProgressMonitor();
-			pm.setMillisToDecideToPopup(0);
-			pm.setMillisToPopup(0);
-			if(!promptUser) {
-				pm.setMillisToDecideToPopup(Integer.MAX_VALUE);
-				pm.setMillisToPopup(Integer.MAX_VALUE);
-			}
-			pm.setMaximum(conn.getHeaderFieldInt("Content-Length",0));
-			copyFile(pmis, new FileOutputStream(temp));
-			// replace old with new.
-			if(jar == null) {
-				jar = getClass().getProtectionDomain().getCodeSource().getLocation().getPath();
-			}	
-			jar = jar.replaceAll("%20"," ");
-			copyFile(new FileInputStream(temp), new FileOutputStream(new File(jar)));
-			// remove temp file
-			temp.delete();
-			// launch new version and quit this one.
-			ProcessBuilder pb = new ProcessBuilder("java","-jar",jar);
-			pb.start();
-			System.exit(0);
-			// no new version
-		} catch(Exception e) {
-			// errors.
-			e.printStackTrace();
-			// show error here.
-			if(promptUser) {
-				JOptionPane.showMessageDialog(parentComponent, "There was an error while trying to update.",
-					"Error", JOptionPane.ERROR_MESSAGE);
-			}
-		}
-	}
-	
-	private void accessVersion(Component parentComponent, String updateUrl) {
-		if(version != -1) return;
-		try {
-			URL url = new URL(updateUrl);
-			BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));
-			version = Integer.parseInt(br.readLine());
-			downloadURL = new URL(br.readLine());
-		} catch(Exception e) {
-			// errors.
-			e.printStackTrace();
-			// show error here.
-			JOptionPane.showMessageDialog(parentComponent, "There was an error while trying to update.",
-				"Error", JOptionPane.ERROR_MESSAGE);
-		}
-	}
-	
-	/**
-	*	Utility method to copy a file. I can't believe java doesn't have anything
-	*	built-in to do something this simple with less code. Other than channels, that is.
-	*	
-	*	@param in stream to read file from
-	*	@param out stream to write file to
-	*/
-	public static void copyFile(InputStream in, OutputStream out) throws IOException {
-		byte[] buf = new byte[1024];
-		int len;
-		while ((len = in.read(buf)) > 0) {
-			out.write(buf, 0, len);
-			
-		}
-		in.close();
-		out.close();
-	}
-}
\ No newline at end of file