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Diffstat (limited to 'src/jdk/nashorn/internal/runtime/Logging.java')
| -rw-r--r-- | src/jdk/nashorn/internal/runtime/Logging.java | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/src/jdk/nashorn/internal/runtime/Logging.java b/src/jdk/nashorn/internal/runtime/Logging.java deleted file mode 100644 index 54d83b79..00000000 --- a/src/jdk/nashorn/internal/runtime/Logging.java +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code 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 - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package jdk.nashorn.internal.runtime; - -import java.security.AccessControlContext; -import java.security.AccessController; -import java.security.Permissions; -import java.security.PrivilegedAction; -import java.security.ProtectionDomain; -import java.util.HashMap; -import java.util.Locale; -import java.util.Map; -import java.util.Map.Entry; -import java.util.logging.ConsoleHandler; -import java.util.logging.Formatter; -import java.util.logging.Handler; -import java.util.logging.Level; -import java.util.logging.LogRecord; -import java.util.logging.Logger; -import java.util.logging.LoggingPermission; - -/** - * Logging system for getting loggers for arbitrary subsystems as - * specified on the command line. Supports all standard log levels - * - */ -public final class Logging { - - private Logging() { - } - - /** Loggers */ - - private static final Logger disabledLogger = Logger.getLogger("disabled"); - - private static AccessControlContext createLoggerControlAccCtxt() { - final Permissions perms = new Permissions(); - perms.add(new LoggingPermission("control", null)); - return new AccessControlContext(new ProtectionDomain[] { new ProtectionDomain(null, perms) }); - } - - static { - AccessController.doPrivileged(new PrivilegedAction<Void>() { - @Override - public Void run() { - Logging.disabledLogger.setLevel(Level.OFF); - return null; - } - }, createLoggerControlAccCtxt()); - } - - /** Maps logger name to loggers. Names are typically per package */ - private static final Map<String, Logger> loggers = new HashMap<>(); - - private static String lastPart(final String packageName) { - final String[] parts = packageName.split("\\."); - if (parts.length == 0) { - return packageName; - } - return parts[parts.length - 1]; - } - - /** - * Get a logger for a given class, generating a logger name based on the - * class name - * - * @param name the name to use as key for the logger - * @return the logger - */ - public static Logger getLogger(final String name) { - final Logger logger = Logging.loggers.get(name); - if (logger != null) { - return logger; - } - return Logging.disabledLogger; - } - - /** - * Get a logger for a given name or create it if not already there, typically - * used for mapping system properties to loggers - * - * @param name the name to use as key - * @param level log lever to reset existing logger with, or create new logger with - * @return the logger - */ - public static Logger getOrCreateLogger(final String name, final Level level) { - final Logger logger = Logging.loggers.get(name); - if (logger == null) { - return instantiateLogger(name, level); - } - logger.setLevel(level); - return logger; - } - - /** - * Initialization function that is called to instantiate the logging system. It takes - * logger names (keys) and logging labels respectively - * - * @param map a map where the key is a logger name and the value a logging level - * @throws IllegalArgumentException if level or names cannot be parsed - */ - public static void initialize(final Map<String, String> map) throws IllegalArgumentException { - try { - for (final Entry<String, String> entry : map.entrySet()) { - Level level; - - final String key = entry.getKey(); - final String value = entry.getValue(); - if ("".equals(value)) { - level = Level.INFO; - } else { - level = Level.parse(value.toUpperCase(Locale.ENGLISH)); - } - - final String name = Logging.lastPart(key); - final Logger logger = instantiateLogger(name, level); - - Logging.loggers.put(name, logger); - } - } catch (final IllegalArgumentException | SecurityException e) { - throw e; - } - } - - private static Logger instantiateLogger(final String name, final Level level) { - final Logger logger = java.util.logging.Logger.getLogger(name); - for (final Handler h : logger.getHandlers()) { - logger.removeHandler(h); - } - - logger.setLevel(level); - logger.setUseParentHandlers(false); - final Handler c = new ConsoleHandler(); - - c.setFormatter(new Formatter() { - @Override - public String format(final LogRecord record) { - final StringBuilder sb = new StringBuilder(); - - sb.append('[') - .append(record.getLoggerName()) - .append("] ") - .append(record.getMessage()) - .append('\n'); - - return sb.toString(); - } - }); - logger.addHandler(c); - c.setLevel(level); - - return logger; - } - -} |