Useful if org.apache.commons.io.FileUtils not available.

src/fr/devinsy/util/FileCopier.java

@@ -0,0 +1,59 @@
+package fr.devinsy.util;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+
+
+/**
+ * Never used. Prefer org.apache.commons.io.FileUtils class.
+ */
+public class FileCopier
+{
+	static final public int BUFFER_SIZE = 4*1024;
+	
+	/**
+	 * 
+	 */
+	static void copy (File source, File target) throws Exception
+	{
+		if ((source == null) || (target == null))
+		{
+			throw new Exception("Null parameter.");
+		}
+		else
+		{
+		    FileInputStream in  = new FileInputStream(source);
+		    FileOutputStream out = new FileOutputStream(target);
+		    try 
+		    {
+		    	byte[] buffer = new byte[BUFFER_SIZE];
+		    	boolean ended = false;
+		    	while (!ended)
+		    	{
+		    		int size = in.read(buffer);
+		    		if (size == -1)
+		    		{
+		    			ended = false;
+		    		}
+		    		else
+		    		{
+		    			out.write(buffer, 0, size);
+		    		}
+		    	}
+		    } 
+		    finally 
+		    {
+		    	if (in != null)
+		    	{
+		    		in.close();
+		    	}
+		    	
+		    	if (out != null)
+		    	{
+		    		out.close();
+		    	}
+		    }
+		}
+	}
+}