17ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu/** 27ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * Copyright (c) 2004-2011 QOS.ch 388c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * All rights reserved. 47ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * 588c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * Permission is hereby granted, free of charge, to any person obtaining 688c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * a copy of this software and associated documentation files (the 788c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * "Software"), to deal in the Software without restriction, including 888c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * without limitation the rights to use, copy, modify, merge, publish, 988c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * distribute, sublicense, and/or sell copies of the Software, and to 1088c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * permit persons to whom the Software is furnished to do so, subject to 1188c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * the following conditions: 127ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * 1388c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * The above copyright notice and this permission notice shall be 1488c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * included in all copies or substantial portions of the Software. 157ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * 1688c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 1788c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 1888c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 1988c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 2088c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 2188c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 2288c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 237ba0605dc97fb81bde8311510d27b3ccba170008Ceki Gulcu * 2488c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu */ 2588c4c456766193e012eb890e2208473d99b91f83Ceki Gulcupackage org.slf4j; 2688c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 2788c4c456766193e012eb890e2208473d99b91f83Ceki Gulcuimport org.slf4j.MDC; 2888c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 2988c4c456766193e012eb890e2208473d99b91f83Ceki Gulcupublic class NDC { 3031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public final static String PREFIX = "NDC"; 3188c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 3231212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu private static int size() { 3331212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu int i = 0; 3431212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu while (true) { 3531212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu String val = MDC.get(PREFIX + i); 3631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu if (val != null) { 3731212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu i++; 3831212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } else { 3931212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu break; 4031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 4131212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 4231212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu return i; 4388c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu } 4488c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 4531212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public static void push(String val) { 4631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu int next = size(); 4731212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu MDC.put(PREFIX + next, val); 4831212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 4988c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 5031212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu public static String pop() { 5131212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu int next = size(); 5231212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu if (next == 0) { 5331212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu return ""; 5431212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu } 5531212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu int last = next - 1; 5631212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu String key = PREFIX + last; 5731212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu String val = MDC.get(key); 5831212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu MDC.remove(key); 5931212435723e2dfd5d6716d1f6a7b0e66a1e6b38Ceki Gulcu return val; 6088c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu } 6188c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu 6288c4c456766193e012eb890e2208473d99b91f83Ceki Gulcu} 63