| /* |
| * 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.options; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.logging.Level; |
| |
| /** |
| * Class that collects logging options like --log=compiler:finest,fields,recompile:fine into |
| * a map form that can be used to instantiate loggers in the Global object on demand |
| */ |
| public class LoggingOption extends KeyValueOption { |
| |
| /** |
| * Logging info. Basically a logger name maps to this, |
| * which is a tuple of log level and the "is quiet" flag, |
| * which is a special log level used to collect RuntimeEvents |
| * only, but not output anything |
| */ |
| public static class LoggerInfo { |
| private final Level level; |
| private final boolean isQuiet; |
| |
| LoggerInfo(final Level level, final boolean isQuiet) { |
| this.level = level; |
| this.isQuiet = isQuiet; |
| } |
| |
| /** |
| * Get the log level |
| * @return log level |
| */ |
| public Level getLevel() { |
| return level; |
| } |
| |
| /** |
| * Get the quiet flag |
| * @return true if quiet flag is set |
| */ |
| public boolean isQuiet() { |
| return isQuiet; |
| } |
| } |
| |
| private final Map<String, LoggerInfo> loggers = new HashMap<>(); |
| |
| LoggingOption(final String value) { |
| super(value); |
| initialize(getValues()); |
| } |
| |
| /** |
| * Return the logger info collected from this command line option |
| * |
| * @return map of logger name to logger info |
| */ |
| public Map<String, LoggerInfo> getLoggers() { |
| return Collections.unmodifiableMap(loggers); |
| } |
| |
| /** |
| * 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 |
| */ |
| private void initialize(final Map<String, String> logMap) throws IllegalArgumentException { |
| try { |
| for (final Entry<String, String> entry : logMap.entrySet()) { |
| Level level; |
| final String name = lastPart(entry.getKey()); |
| final String levelString = entry.getValue().toUpperCase(Locale.ENGLISH); |
| final boolean isQuiet; |
| |
| if ("".equals(levelString)) { |
| level = Level.INFO; |
| isQuiet = false; |
| } else if ("QUIET".equals(levelString)) { |
| level = Level.INFO; |
| isQuiet = true; |
| } else { |
| level = Level.parse(levelString); |
| isQuiet = false; |
| } |
| |
| loggers.put(name, new LoggerInfo(level, isQuiet)); |
| } |
| } catch (final IllegalArgumentException | SecurityException e) { |
| throw e; |
| } |
| } |
| |
| |
| |
| private static String lastPart(final String packageName) { |
| final String[] parts = packageName.split("\\."); |
| if (parts.length == 0) { |
| return packageName; |
| } |
| return parts[parts.length - 1]; |
| } |
| |
| |
| } |