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1: /* SystemLogger.java -- Classpath's system debugging logger. 2: Copyright (C) 2005 Free Software Foundation, Inc. 3: 4: This file is a part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2 of the License, or (at 9: your option) any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; if not, write to the Free Software 18: Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under terms 30: of your choice, provided that you also meet, for each linked independent 31: module, the terms and conditions of the license of that module. An 32: independent module is a module which is not derived from or based on 33: this library. If you modify this library, you may extend this exception 34: to your version of the library, but you are not obligated to do so. If 35: you do not wish to do so, delete this exception statement from your 36: version. */ 37: 38: 39: package gnu.classpath.debug; 40: 41: import gnu.java.security.action.GetPropertyAction; 42: 43: import java.security.AccessController; 44: import java.util.StringTokenizer; 45: import java.util.logging.Logger; 46: 47: public final class SystemLogger 48: { 49: public static final Logger SYSTEM = Logger.getLogger ("gnu.classpath"); 50: 51: static 52: { 53: SYSTEM.setFilter (PreciseFilter.GLOBAL); 54: String defaults = (String) AccessController.doPrivileged 55: (new GetPropertyAction("gnu.classpath.debug.components")); 56: 57: if (defaults != null) 58: { 59: StringTokenizer tok = new StringTokenizer (defaults, ","); 60: while (tok.hasMoreTokens ()) 61: { 62: Component c = Component.forName (tok.nextToken ()); 63: if (c != null) 64: PreciseFilter.GLOBAL.enable (c); 65: SYSTEM.log (java.util.logging.Level.INFO, "enabled: {0}", c); 66: } 67: } 68: 69: java.util.logging.Handler[] h = SYSTEM.getHandlers (); 70: for (int i = 0; i < h.length; i++) 71: System.out.println (h[i]); 72: } 73: }