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[].

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();
+
+	}
+
+}