From c9212c2b40f2f01e2a16b5d1832b220f7bf2c0b0 Mon Sep 17 00:00:00 2001
From: Kevin Ruland <kruland@sunflower.com>
Date: Wed, 25 Jul 2012 18:33:10 +0000
Subject: [PATCH] Added a couple of handy stream utilities. copy copies the
 contents of an InputStream to an OutputStream. readBytes returns the contents
 of an InputStream as a byte[].

---
 .../src/net/sf/openrocket/util/FileUtils.java | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 core/src/net/sf/openrocket/util/FileUtils.java

diff --git a/core/src/net/sf/openrocket/util/FileUtils.java b/core/src/net/sf/openrocket/util/FileUtils.java
new file mode 100644
index 000000000..3956f6b2d
--- /dev/null
+++ b/core/src/net/sf/openrocket/util/FileUtils.java
@@ -0,0 +1,41 @@
+package net.sf.openrocket.util;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+public abstract class FileUtils {
+
+	public static void copy( InputStream is, OutputStream os ) throws IOException {
+		
+		if ( ! (os instanceof BufferedOutputStream ) ) {
+			os = new BufferedOutputStream(os);
+		}
+		
+		if ( ! (is instanceof BufferedInputStream ) ) {
+			is = new BufferedInputStream(is);
+		}
+		
+		byte[] buffer = new byte[1024];
+		int bytesRead = 0;
+		
+		while( (bytesRead = is.read(buffer)) > 0 ) {
+			os.write(buffer,0,bytesRead);
+		}
+		os.flush();
+	}
+	
+	public static byte[] readBytes( InputStream is ) throws IOException {
+
+		ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
+
+		copy( is, bos );
+
+		return bos.toByteArray();
+
+	}
+
+}