Changed ByteArrayReaderWriter to work

src/de/tudarmstadt/informatik/hostage/io/ByteArrayReaderWriter.java

@@ -22,15 +22,12 @@ public class ByteArrayReaderWriter implements ReaderWriter<ByteArray> {
 
 	@Override
 	public ByteArray read() throws IOException {
-		while (in.available() == 0) {
-			Thread.yield();
-		}
-		ByteArrayOutputStream os = new ByteArrayOutputStream();
-		int oneByte;
-		while ((oneByte = in.read()) != -1) {
-			os.write(oneByte);
-		}
-		return new ByteArray(os.toByteArray());
+		int availableBytes;
+		while ((availableBytes = in.available()) <= 0)
+		;
+		byte[] buffer = new byte[availableBytes];
+		in.read(buffer);
+		return new ByteArray(buffer);
 	}
 
 	@Override