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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/classpath/debug/SystemLogger.java
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+/* SystemLogger.java -- Classpath's system debugging logger.
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is a part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under terms
+of your choice, provided that you also meet, for each linked independent
+module, the terms and conditions of the license of that module. An
+independent module is a module which is not derived from or based on
+this library. If you modify this library, you may extend this exception
+to your version of the library, but you are not obligated to do so. If
+you do not wish to do so, delete this exception statement from your
+version. */
+
+
+package gnu.classpath.debug;
+
+import gnu.java.security.action.GetPropertyAction;
+
+import java.security.AccessController;
+import java.util.StringTokenizer;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public final class SystemLogger extends Logger
+{
+ public static final SystemLogger SYSTEM = new SystemLogger();
+
+ static
+ {
+ SYSTEM.setFilter (PreciseFilter.GLOBAL);
+ String defaults = (String) AccessController.doPrivileged
+ (new GetPropertyAction("gnu.classpath.debug.components"));
+
+ if (defaults != null)
+ {
+ StringTokenizer tok = new StringTokenizer (defaults, ",");
+ while (tok.hasMoreTokens ())
+ {
+ Component c = Component.forName (tok.nextToken ());
+ if (c != null)
+ PreciseFilter.GLOBAL.enable (c);
+ SYSTEM.log (Level.INFO, "enabled: {0}", c);
+ }
+ }
+ }
+
+ /**
+ * Fetch the system logger instance. The logger returned is meant for debug
+ * and diagnostic logging for Classpath internals.
+ *
+ * @return The system logger.
+ */
+ public static SystemLogger getSystemLogger()
+ {
+ // XXX Check some permission here?
+ return SYSTEM;
+ }
+
+ /**
+ * Keep only one instance of the system logger.
+ */
+ private SystemLogger()
+ {
+ super("gnu.classpath", null);
+ }
+
+ /**
+ * Variable-arguments log method.
+ *
+ * @param level The level to log to.
+ * @param format The format string.
+ * @param args The arguments.
+ */
+ public void logv(Level level, String format, Object... args)
+ {
+ log(level, format, args);
+ }
+}