1 // 2 // ======================================================================== 3 // Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd. 4 // ------------------------------------------------------------------------ 5 // All rights reserved. This program and the accompanying materials 6 // are made available under the terms of the Eclipse Public License v1.0 7 // and Apache License v2.0 which accompanies this distribution. 8 // 9 // The Eclipse Public License is available at 10 // http://www.eclipse.org/legal/epl-v10.html 11 // 12 // The Apache License v2.0 is available at 13 // http://www.opensource.org/licenses/apache2.0.php 14 // 15 // You may elect to redistribute this code under either of these licenses. 16 // ======================================================================== 17 // 18 19 package org.eclipse.jetty.websocket.common.io.payload; 20 21 import java.nio.ByteBuffer; 22 23 import org.eclipse.jetty.websocket.common.OpCode; 24 25 /** 26 * Validate UTF8 correctness for {@link OpCode#CLOSE} Reason message. 27 */ 28 public class CloseReasonValidator extends UTF8Validator implements PayloadProcessor 29 { 30 private int statusCodeBytes = 2; 31 32 @Override 33 public void process(ByteBuffer payload) 34 { 35 if ((payload == null) || (payload.remaining() <= 2)) 36 { 37 // no validation needed 38 return; 39 } 40 41 ByteBuffer copy = payload.slice(); 42 while (statusCodeBytes > 0) 43 { 44 copy.get(); 45 statusCodeBytes--; 46 } 47 48 super.process(copy); 49 } 50 }