Remove leftover JettyContext working dirs on Windows

Spawns a separate process on exit if running under Windows,
since the directory can only be deleted after the main process finishes.
Fixes MOCCA-780

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@1132 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

1 files changed, 57 insertions, 0 deletions

diff --git a/BKUWebStart/src/main/java/JettyTempCleaner.java b/BKUWebStart/src/main/java/JettyTempCleaner.java
new file mode 100644
index 00000000..67854ecb
--- /dev/null
+++ b/BKUWebStart/src/main/java/JettyTempCleaner.java
@@ -0,0 +1,57 @@
+import java.io.File;
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class JettyTempCleaner extends TimerTask {
+
+	private static final long CLEAN_INTERVAL = 60000; // 1 minute
+
+	private File tmpDir;
+
+	public JettyTempCleaner(File tmpDir) {
+		this.tmpDir = tmpDir;
+	}
+
+	private static boolean deleteRecursive(File f) {
+		if (f.isDirectory()) {
+			String[] children = f.list();
+			for (String child : children) {
+				if (!deleteRecursive(new File(f, child)))
+					return false;
+			}
+		}
+		return f.delete();
+	}
+
+	private static void clean(File tmpDir) {
+		System.out.println("Trying to remove " + tmpDir);
+		if (deleteRecursive(tmpDir)) {
+			System.out.println("Successfully removed temporary directory");
+			System.exit(0);
+		}
+	}
+
+	private void schedule() {
+		System.out.println("Scheduling cleaner for directory " + tmpDir);
+		Timer t = new Timer();
+		t.scheduleAtFixedRate(this, 1000, CLEAN_INTERVAL);
+	}
+
+	@Override
+	public void run() {
+		clean(tmpDir);
+	}
+
+	public static void main(String[] args) {
+		if (args.length != 1)
+			System.exit(1);
+		File tmpDir = new File(args[0]);
+		if (!tmpDir.exists())
+		{
+			System.err.println("Directory " + args[0] + " doesn't exist");
+			System.exit(2);
+		}
+		JettyTempCleaner cleaner = new JettyTempCleaner(tmpDir);
+		cleaner.schedule();
+	}
+}