--- jsampler/trunk/src/org/jsampler/HF.java	2007/04/02 20:48:15	1142
+++ jsampler/trunk/src/org/jsampler/HF.java	2007/04/02 21:18:31	1143
@@ -1,7 +1,7 @@
 /*
  *   JSampler - a java front-end for LinuxSampler
  *
- *   Copyright (C) 2005 Grigor Kirilov Iliev
+ *   Copyright (C) 2005-2006 Grigor Iliev <grigor@grigoriliev.com>
  *
  *   This file is part of JSampler.
  *
@@ -27,6 +27,10 @@
 import java.awt.Font;
 import java.awt.Frame;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+
 import java.util.logging.Level;
 
 import javax.swing.JOptionPane;
@@ -214,4 +218,60 @@
 		}
 	}
 ///////
+	
+	/**
+	 * Deletes the specified file, if exists and
+	 * is located in the JSampler's home directory.
+	 * @param file The file to delete.
+	 */
+	public static void
+	deleteFile(String file) {
+		String s = CC.getJSamplerHome();
+		if(s == null) return;
+		
+		try {
+			File f = new File(s + File.separator + file);
+			if(f.isFile()) f.delete();
+		} catch(Exception x) {
+			CC.getLogger().log(Level.INFO, getErrorMessage(x), x);
+		}
+	}
+	
+	/**
+	 * Create a backup copy of the specified file, located in the JSampler's home directory.
+	 * @param file The name of the file to backup.
+	 * @param bkpFile The backup name of the file.
+	 * @return <code>true</code> if the file is backuped successfully.
+	 */
+	public static boolean
+	createBackup(String file, String bkpFile) {
+		if(file == null || bkpFile == null) return false;
+		if(file.length() == 0 || bkpFile.length() == 0) return false;
+		
+		String s = CC.getJSamplerHome();
+		if(s == null) return false;
+		
+		File f = new File(s + File.separator + file);
+		if(!f.isFile()) return false;
+		
+		try {
+			FileInputStream fis = new FileInputStream(s + File.separator + file);
+			
+			FileOutputStream fos;
+			fos = new FileOutputStream(s + File.separator + bkpFile, false);
+			
+			int i = fis.read();
+			while(i != -1) {
+				fos.write(i);
+				i = fis.read();
+			}
+		} catch(Exception x) {
+			CC.getLogger().log(Level.INFO, getErrorMessage(x), x);
+			return false;
+		}
+		
+		return true;
+	}
+	
+	
 }