Adding new uninstaller for WildFire.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3285 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/wildfire/launcher/Uninstaller.java

+/**
+ * $RCSfile: ,v $
+ * $Revision: $
+ * $Date:  $
+ *
+ * Copyright (C) 1999-2005 Jive Software. All rights reserved.
+ *
+ * This software is the proprietary information of Jive Software.
+ * Use is subject to license terms.
+ */
+package org.jivesoftware.wildfire.launcher;
+
+import com.install4j.api.Context;
+import com.install4j.api.ProgressInterface;
+import com.install4j.api.UninstallAction;
+
+import java.io.File;
+
+/**
+ * Used with the Install4J installer to uninstall the remaining files within
+ * the WildFire install.
+ */
+public class Uninstaller extends UninstallAction {
+
+    public int getPercentOfTotalInstallation() {
+        return 0;
+    }
+
+    public boolean performAction(Context context, ProgressInterface progressInterface) {
+        final File installationDirectory = context.getInstallationDirectory();
+
+        File libDirectory = new File(installationDirectory, "lib");
+
+        // If the directory still exists, remove all libs.
+        if (libDirectory.exists() && libDirectory.isDirectory()) {
+            File[] archives = libDirectory.listFiles();
+            int no = archives != null ? archives.length : 0;
+            for (int i = 0; i < no; i++) {
+                File file = archives[i];
+                file.delete();
+            }
+        }
+
+        return super.performAction(context, progressInterface);    //To change body of overridden methods use File | Settings | File Templates.
+    }
+
+
+}
+