added sources for Slick

Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d

lib/slick-source/org/newdawn/slick/util/ResourceLocation.java

@@ -0,0 +1,29 @@
+package org.newdawn.slick.util;
+
+import java.io.InputStream;
+import java.net.URL;
+
+/**
+ * A location from which resources can be loaded
+ * 
+ * @author kevin
+ */
+public interface ResourceLocation {
+
+	/**
+	 * Get a resource as an input stream
+	 * 
+	 * @param ref The reference to the resource to retrieve
+	 * @return A stream from which the resource can be read or
+	 * null if the resource can't be found in this location
+	 */
+	public InputStream getResourceAsStream(String ref);
+
+	/**
+	 * Get a resource as a URL
+	 * 
+	 * @param ref The reference to the resource to retrieve
+	 * @return A URL from which the resource can be read
+	 */
+	public URL getResource(String ref);
+}