updated code for kona libs, not quite working yet.

[feisty_meow.git] / kona / src / org / feistymeow / utility / Extemporizer.java

diff --git a/kona/src/org/feistymeow/utility/Extemporizer.java b/kona/src/org/feistymeow/utility/Extemporizer.java
new file mode 100644 (file)
index 0000000..b271ab1
--- /dev/null
+++ b/kona/src/org/feistymeow/utility/Extemporizer.java
@@ -0,0 +1,51 @@
+package org.feistymeow.utility;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+//////////////
+// Name   : Extemporizer
+// Author : Chris Koeritz
+// Rights : Copyright (c) 2012-$now By University of Virginia
+//////////////
+// This file is free software; you can modify/redistribute it under the terms
+// of the Apache License v2.0: http://www.apache.org/licenses/LICENSE-2.0
+// Feel free to send updates to: [ koeritz@virginia.edu ]
+//////////////
+
+/**
+ * A set of useful utilities for dealing with temporary items.
+ */
+public class Extemporizer
+{
+    static private Log _logger = LogFactory.getLog(Extemporizer.class);
+
+    /**
+     * creates a uniquely named temporary directory. thanks for guidance to article at:
+     * http://stackoverflow.com/questions/617414/create-a-temporary-directory-in-java
+     * 
+     * @return a File object pointing at the new temporary directory.
+     * @throws IOException
+     */
+    public static File createTempDirectory(String prefix, String suffix)
+    {
+        if ((prefix == null) || (suffix == null))
+            return null;
+        try {
+            final File temp = File.createTempFile(prefix, suffix);
+            if (!temp.delete())
+                throw new IOException("failed to delete temporary file: " + temp.getAbsolutePath());
+            if (!temp.mkdir())
+                throw new IOException("failed to create temporary directory: "
+                        + temp.getAbsolutePath());
+            temp.deleteOnExit(); // set for cleanup.
+            return temp;
+        } catch (Throwable cause) {
+            _logger.error("caught exception while creating temporary directory", cause);
+            return null;
+        }
+    }
+}