1 // 2 // ======================================================================== 3 // Copyright (c) 1995-2014 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.io; 20 21 import java.text.DateFormatSymbols; 22 import java.util.Locale; 23 24 import org.eclipse.jetty.util.DateCache; 25 26 public class BufferDateCache extends DateCache 27 { 28 Buffer _buffer; 29 String _last; 30 BufferDateCache()31 public BufferDateCache() 32 { 33 super(); 34 } 35 BufferDateCache(String format, DateFormatSymbols s)36 public BufferDateCache(String format, DateFormatSymbols s) 37 { 38 super(format,s); 39 } 40 BufferDateCache(String format, Locale l)41 public BufferDateCache(String format, Locale l) 42 { 43 super(format,l); 44 } 45 BufferDateCache(String format)46 public BufferDateCache(String format) 47 { 48 super(format); 49 } 50 formatBuffer(long date)51 public synchronized Buffer formatBuffer(long date) 52 { 53 String d = super.format(date); 54 if (d==_last) 55 return _buffer; 56 _last=d; 57 _buffer=new ByteArrayBuffer(d); 58 59 return _buffer; 60 } 61 } 62