Added File copy method

src/zutil/io/IOUtil.java

@@ -55,7 +55,7 @@ public class IOUtil {
 
     /**
      * Reads and returns all the content of a stream as a String.
-     * This function will close the inout stream at the end.
+     * This function will close the input stream at the end.
      *
      * @param 		stream
      * @return a String with the content of the stream
@@ -73,7 +73,8 @@ public class IOUtil {
     }
 
     /**
-     * Copies all data from the input stream to the output stream
+     * Copies all data from the input stream to the output stream.
+     * The input stream will not be closed after method has returned.
      */
     public static void copyStream(InputStream in, OutputStream out) throws IOException {
         byte[] buff = new byte[256];

src/zutil/io/file/FileUtil.java

@@ -87,6 +87,21 @@ public class FileUtil {
         return null;
     }
 
+    /**
+     * Copy the contents of a source file to another file.
+     * NOTE: the method will replace the destination file if it exists.
+     *
+     * @param   source
+     * @param   destination
+     */
+    public static void copy(String source, String destination) throws IOException{
+        try (BufferedInputStream in = new BufferedInputStream(new FileInputStream(source));
+             BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(destination));){
+
+            IOUtil.copyStream(in, out);
+        }
+    }
+
     /**
      * Returns the URL to the given file
      *
@@ -164,6 +179,7 @@ public class FileUtil {
      */
     private static HashMap<SearchItem,List<File>> search_cache = new HashMap<SearchItem,List<File>>();
 
+
     /**
      * An Cache Item class to identify different cached items
      * @author Ziver