| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.ode.utils.cli; |
| |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.core.Appender; |
| import org.apache.logging.log4j.core.Layout; |
| import org.apache.logging.log4j.core.LoggerContext; |
| import org.apache.logging.log4j.core.appender.ConsoleAppender; |
| import org.apache.logging.log4j.core.appender.FileAppender; |
| import org.apache.logging.log4j.core.config.AppenderRef; |
| import org.apache.logging.log4j.core.config.Configuration; |
| import org.apache.logging.log4j.core.config.LoggerConfig; |
| import org.apache.logging.log4j.core.layout.PatternLayout; |
| import org.apache.ode.utils.Version; |
| import org.apache.ode.utils.fs.TempFileManager; |
| import org.apache.ode.utils.msg.MessageBundle; |
| import org.slf4j.Logger; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.nio.charset.Charset; |
| |
| public abstract class BaseCommandlineTool { |
| |
| public static final int TERSE = 0; |
| |
| public static final int VERBOSE = 1; |
| |
| public static final int EFFUSIVE = 2; |
| |
| private static boolean _tempFileManagerRegistered = false; |
| |
| private static Class CLAZZ = BaseCommandlineTool.class; |
| |
| private static final String LOGGING_PATTERN = "%p - %d{ISO8601} - <%c> %m%n"; |
| |
| protected static final Flag HELP_FLAG = new Flag("h", "print usage and help to the console and exit.", false); |
| |
| protected static final Fragments HELP = new Fragments(new CommandlineFragment[] { HELP_FLAG }); |
| |
| protected static final Flag QUIET_F = new Flag("q", "only produce error output in the event of an error.", false); |
| protected static final Flag VERBOSE_F = new Flag("v", "produce verbose (INFO-level) logging output.", false); |
| protected static final Flag VERYVERBOSE_F = new Flag("vv", "product effusive (DEBUG-level) logging output", false); |
| |
| protected static final XorGroup LOGGING = new XorGroup( |
| "set logging output verbosity from quiet (-q), to verbose (-v), to effusive (-vv).", true); |
| |
| static { |
| LOGGING.addFragment(QUIET_F); |
| LOGGING.addFragment(VERBOSE_F); |
| LOGGING.addFragment(VERYVERBOSE_F); |
| } |
| |
| private static final CommandLineMessages __msgs = MessageBundle.getMessages(CommandLineMessages.class); |
| |
| /** |
| * Print program banner. |
| */ |
| public static void outputHeader() { |
| if (QUIET_F.isSet()) { |
| return; |
| } |
| System.out.println(__msgs.msgCliHeader(getProgramName(), Version.getVersionName(), Version.getBuildDate())); |
| } |
| |
| /** |
| * Initialize logging appropriate for command-line utilities. The logging |
| * will be limited to error messages on standard error, unless |
| * user-specified logging options are present. Among other things, this |
| * method looks for the <code>-v</code> option and configures logging |
| * verbosity appropriately |
| * |
| * @param level |
| */ |
| protected static void initLogging(int level) { |
| final LoggerContext ctx = (LoggerContext) LogManager.getContext(false); |
| final Configuration config = ctx.getConfiguration(); |
| LoggerConfig loggerConfig = config.getLoggerConfig(LogManager.ROOT_LOGGER_NAME); |
| Layout layout = PatternLayout.createLayout(LOGGING_PATTERN,config,null,Charset.forName("UTF-8"),true,false,null,null); |
| Appender appender = ConsoleAppender.createAppender(layout, null, "SYSTEM_OUT", "stderr appender", "false", "true"); |
| AppenderRef ref = initialize("stderr appender", level); |
| AppenderRef[] refs = new AppenderRef[] {ref}; |
| loggerConfig.addAppender(appender, ref.getLevel(), null); |
| loggerConfig.setLevel(ref.getLevel()); |
| ctx.updateLoggers(); |
| } |
| |
| protected static void initLogFile() throws IOException { |
| initLogFile(getLevel()); |
| } |
| |
| protected static void initLogFile(int level) throws IOException { |
| final LoggerContext ctx = (LoggerContext) LogManager.getContext(false); |
| final Configuration config = ctx.getConfiguration(); |
| LoggerConfig loggerConfig = config.getLoggerConfig(LogManager.ROOT_LOGGER_NAME); |
| Layout layout = PatternLayout.createLayout(LOGGING_PATTERN,config,null,Charset.forName("UTF-8"),true,false,null,null); |
| Appender appender = FileAppender.createAppender(System.getProperty("ode.home") + "/logs/ode.log", "false", "false", "File", "false", |
| "true", "true", "8192", layout, null, "false", null, config); |
| AppenderRef ref = initialize("File", level); |
| AppenderRef[] refs = new AppenderRef[] {ref}; |
| loggerConfig.addAppender(appender, ref.getLevel(), null); |
| loggerConfig.setLevel(ref.getLevel()); |
| ctx.updateLoggers(); |
| } |
| |
| private static AppenderRef initialize(String name, int level) { |
| Level appenderLevel = null; |
| switch (level) { |
| case EFFUSIVE : |
| appenderLevel = Level.DEBUG; |
| break; |
| case VERBOSE : |
| appenderLevel = Level.INFO; |
| break; |
| default : |
| appenderLevel = Level.WARN; |
| break; |
| } |
| return AppenderRef.createAppenderRef(name, appenderLevel, null); |
| } |
| |
| protected static void setClazz(Class c) { |
| CLAZZ = c; |
| } |
| |
| protected static String getProgramName() { |
| return "java " + CLAZZ.getName(); |
| } |
| |
| protected static void initLogging() { |
| initLogging(getLevel()); |
| } |
| |
| private static int getLevel() { |
| if (QUIET_F.isSet()) { |
| return TERSE; |
| } else if (VERBOSE_F.isSet()) { |
| return VERBOSE; |
| } else if (VERYVERBOSE_F.isSet()) { |
| return EFFUSIVE; |
| } else { |
| // none of the above. |
| return -1; |
| } |
| } |
| |
| protected synchronized static final void registerTempFileManager() { |
| if (!_tempFileManagerRegistered) { |
| Runtime.getRuntime().addShutdownHook(new Thread() { |
| |
| public void run() { |
| TempFileManager.cleanup(); |
| } |
| }); |
| } |
| } |
| |
| protected static void consoleErr(String errMsg) { |
| String progName = getProgramName(); |
| System.err.println(progName + ": " + errMsg); |
| } |
| } |