Separated FFDec core library and the rest (GUI).

FFDec Library is now LGPLv3, others stay GPLv3.
Version changed to 3.0.0 for FFDec, 1.0.0 for FFDec Library.

libsrc/ffdec_lib/src/com/jpexs/helpers/Path.java

@@ -0,0 +1,72 @@
+/*
+ *  Copyright (C) 2010-2014 JPEXS, All rights reserved.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.
+ */
+package com.jpexs.helpers;
+
+import java.io.File;
+
+/**
+ *
+ * @author JPEXS
+ */
+public class Path {
+
+    public static String combine(String... paths) {
+        String result = "";
+        String separator = File.separator;
+        for (String path : paths) {
+            if (path.startsWith(separator)) {
+                result = result.substring(separator.length());
+            }
+            if (!result.endsWith(separator)) {
+                result += separator;
+            }
+            result += path;
+        }
+        return result;
+    }
+
+    /*
+     * Get the extension of a file.
+     */
+    public static String getExtension(String fileName) {
+        return getExtension(new File(fileName));
+    }
+
+    /*
+     * Get the extension of a file.
+     */
+    public static String getExtension(File f) {
+        String ext = null;
+        String s = f.getName();
+        int i = s.lastIndexOf('.');
+
+        if (i > 0 && i < s.length() - 1) {
+            ext = s.substring(i).toLowerCase();
+        }
+        return ext;
+    }
+
+    public static String getFileNameWithoutExtension(File f) {
+        String ext = null;
+        String s = f.getName();
+        int i = s.lastIndexOf('.');
+
+        if (i > 0 && i < s.length() - 1) {
+            ext = s.substring(0, i).toLowerCase();
+        }
+        return ext;
+    }