001/** 002 * Logback: the reliable, generic, fast and flexible logging framework. 003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved. 004 * 005 * This program and the accompanying materials are dual-licensed under 006 * either the terms of the Eclipse Public License v1.0 as published by 007 * the Eclipse Foundation 008 * 009 * or (per the licensee's choosing) 010 * 011 * under the terms of the GNU Lesser General Public License version 2.1 012 * as published by the Free Software Foundation. 013 */ 014package ch.qos.logback.core.joran.util; 015 016import ch.qos.logback.core.Context; 017import ch.qos.logback.core.CoreConstants; 018import ch.qos.logback.core.joran.spi.ConfigurationWatchList; 019import ch.qos.logback.core.status.InfoStatus; 020import ch.qos.logback.core.status.Status; 021import ch.qos.logback.core.status.StatusManager; 022import ch.qos.logback.core.status.WarnStatus; 023 024import java.net.URL; 025 026/** 027 * @author Ceki Gülcü 028 */ 029public class ConfigurationWatchListUtil { 030 031 final static ConfigurationWatchListUtil origin = new ConfigurationWatchListUtil(); 032 033 private ConfigurationWatchListUtil() { 034 } 035 036 public static void registerConfigurationWatchList(Context context, ConfigurationWatchList cwl) { 037 context.putObject(CoreConstants.CONFIGURATION_WATCH_LIST, cwl); 038 } 039 040 public static void setMainWatchURL(Context context, URL url) { 041 ConfigurationWatchList cwl = getConfigurationWatchList(context); 042 if (cwl == null) { 043 cwl = new ConfigurationWatchList(); 044 cwl.setContext(context); 045 context.putObject(CoreConstants.CONFIGURATION_WATCH_LIST, cwl); 046 } else { 047 cwl.clear(); 048 } 049 // setConfigurationWatchListResetFlag(context, true); 050 cwl.setMainURL(url); 051 } 052 053 public static URL getMainWatchURL(Context context) { 054 ConfigurationWatchList cwl = getConfigurationWatchList(context); 055 if (cwl == null) { 056 return null; 057 } else { 058 return cwl.getMainURL(); 059 } 060 } 061 062 public static void addToWatchList(Context context, URL url) { 063 ConfigurationWatchList cwl = getConfigurationWatchList(context); 064 if (cwl == null) { 065 addWarn(context, "Null ConfigurationWatchList. Cannot add " + url); 066 } else { 067 addInfo(context, "Adding [" + url + "] to configuration watch list."); 068 cwl.addToWatchList(url); 069 } 070 } 071 072// public static boolean wasConfigurationWatchListReset(Context context) { 073// Object o = context.getObject(CoreConstants.CONFIGURATION_WATCH_LIST_RESET); 074// if (o == null) 075// return false; 076// else { 077// return ((Boolean) o).booleanValue(); 078// } 079// } 080 081// public static void setConfigurationWatchListResetFlag(Context context, boolean val) { 082// context.putObject(CoreConstants.CONFIGURATION_WATCH_LIST_RESET, new Boolean(val)); 083// } 084 085 public static ConfigurationWatchList getConfigurationWatchList(Context context) { 086 return (ConfigurationWatchList) context.getObject(CoreConstants.CONFIGURATION_WATCH_LIST); 087 } 088 089 static void addStatus(Context context, Status s) { 090 if (context == null) { 091 System.out.println("Null context in " + ConfigurationWatchList.class.getName()); 092 return; 093 } 094 StatusManager sm = context.getStatusManager(); 095 if (sm == null) 096 return; 097 sm.add(s); 098 } 099 100 static void addInfo(Context context, String msg) { 101 addStatus(context, new InfoStatus(msg, origin)); 102 } 103 104 static void addWarn(Context context, String msg) { 105 addStatus(context, new WarnStatus(msg, origin)); 106 } 107}