[izpack-changes] r1673 - izpack-src/trunk/src/lib/com/izforge/izpack/compiler

[noreply at berlios.de]

Author: dreil
Date: 2007-01-03 09:49:13 +0100 (Wed, 03 Jan 2007)
New Revision: 1673

Added:
   izpack-src/trunk/src/lib/com/izforge/izpack/compiler/PackagerHelper.java
Log:
Added missing PackagerHelper class.


Added: izpack-src/trunk/src/lib/com/izforge/izpack/compiler/PackagerHelper.java
===================================================================
--- izpack-src/trunk/src/lib/com/izforge/izpack/compiler/PackagerHelper.java	2007-01-02 14:40:04 UTC (rev 1672)
+++ izpack-src/trunk/src/lib/com/izforge/izpack/compiler/PackagerHelper.java	2007-01-03 08:49:13 UTC (rev 1673)
@@ -0,0 +1,33 @@
+package com.izforge.izpack.compiler;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * Helper class for packager classes
+ * @author Dennis Reil, <Dennis.Reil at reddot.de>
+ */
+public class PackagerHelper
+{    
+    /**
+     * Copies all the data from the specified input stream to the specified output stream.
+     * 
+     * @param in the input stream to read
+     * @param out the output stream to write
+     * @return the total number of bytes copied
+     * @exception IOException if an I/O error occurs
+     */
+    public static long copyStream(InputStream in, OutputStream out) throws IOException
+    {
+        byte[] buffer = new byte[5120];
+        long bytesCopied = 0;
+        int bytesInBuffer;
+        while ((bytesInBuffer = in.read(buffer)) != -1)
+        {
+            out.write(buffer, 0, bytesInBuffer);
+            bytesCopied += bytesInBuffer;
+        }
+        return bytesCopied;
+    }
+}