| // |
| // ======================================================================== |
| // Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.util.log; |
| |
| import java.net.URL; |
| import java.security.AccessController; |
| import java.security.PrivilegedAction; |
| import java.util.logging.Level; |
| import java.util.logging.LogManager; |
| import java.util.logging.LogRecord; |
| |
| import org.eclipse.jetty.util.Loader; |
| |
| /** |
| * <p> |
| * Implementation of Jetty {@link Logger} based on {@link java.util.logging.Logger}. |
| * </p> |
| * |
| * <p> |
| * You can also set the logger level using <a href="http://docs.oracle.com/javase/8/docs/api/java/util/logging/package-summary.html"> |
| * standard java.util.logging configuration</a>. |
| * </p> |
| * |
| * Configuration Properties: |
| * <dl> |
| * <dt>${name|hierarchy}.LEVEL=(ALL|DEBUG|INFO|WARN|OFF)</dt> |
| * <dd> |
| * Sets the level that the Logger should log at.<br> |
| * Names can be a package name, or a fully qualified class name.<br> |
| * Default: The default from the java.util.logging mechanism/configuration |
| * <br> |
| * <dt>org.eclipse.jetty.util.log.javautil.PROPERTIES=<property-resource-name></dt> |
| * <dd>If set, it is used as a classpath resource name to find a java.util.logging |
| * property file. |
| * <br> |
| * Default: null |
| * </dd> |
| * <dt>org.eclipse.jetty.util.log.javautil.SOURCE=(true|false)</dt> |
| * <dd>Set the LogRecord source class and method for JavaUtilLog.<br> |
| * Default: true |
| * </dd> |
| * <dt>org.eclipse.jetty.util.log.SOURCE=(true|false)</dt> |
| * <dd>Set the LogRecord source class and method for all Loggers.<br> |
| * Default: depends on Logger class |
| * </dd> |
| * </dl> |
| */ |
| public class JavaUtilLog extends AbstractLogger |
| { |
| private final static String THIS_CLASS= JavaUtilLog.class.getName(); |
| private final static boolean __source = |
| Boolean.parseBoolean(Log.__props.getProperty("org.eclipse.jetty.util.log.SOURCE", |
| Log.__props.getProperty("org.eclipse.jetty.util.log.javautil.SOURCE","true"))); |
| |
| private static boolean _initialized=false; |
| |
| private Level configuredLevel; |
| private java.util.logging.Logger _logger; |
| |
| public JavaUtilLog() |
| { |
| this("org.eclipse.jetty.util.log.javautil"); |
| } |
| |
| public JavaUtilLog(String name) |
| { |
| synchronized (JavaUtilLog.class) |
| { |
| if (!_initialized) |
| { |
| _initialized=true; |
| |
| final String properties=Log.__props.getProperty("org.eclipse.jetty.util.log.javautil.PROPERTIES",null); |
| if (properties!=null) |
| { |
| AccessController.doPrivileged(new PrivilegedAction<Object>() |
| { |
| public Object run() |
| { |
| try |
| { |
| URL props = Loader.getResource(properties); |
| if (props != null) |
| LogManager.getLogManager().readConfiguration(props.openStream()); |
| } |
| catch(Throwable e) |
| { |
| System.err.println("[WARN] Error loading logging config: " + properties); |
| e.printStackTrace(System.err); |
| } |
| |
| return null; |
| } |
| }); |
| } |
| } |
| } |
| |
| _logger = java.util.logging.Logger.getLogger(name); |
| |
| switch(lookupLoggingLevel(Log.__props,name)) |
| { |
| case LEVEL_ALL: |
| _logger.setLevel(Level.ALL); |
| break; |
| case LEVEL_DEBUG: |
| _logger.setLevel(Level.FINE); |
| break; |
| case LEVEL_INFO: |
| _logger.setLevel(Level.INFO); |
| break; |
| case LEVEL_WARN: |
| _logger.setLevel(Level.WARNING); |
| break; |
| case LEVEL_OFF: |
| _logger.setLevel(Level.OFF); |
| break; |
| case LEVEL_DEFAULT: |
| default: |
| break; |
| } |
| |
| configuredLevel = _logger.getLevel(); |
| } |
| |
| public String getName() |
| { |
| return _logger.getName(); |
| } |
| |
| protected void log(Level level,String msg,Throwable thrown) |
| { |
| LogRecord record = new LogRecord(level,msg); |
| if (thrown!=null) |
| record.setThrown(thrown); |
| record.setLoggerName(_logger.getName()); |
| if (__source) |
| { |
| StackTraceElement[] stack = new Throwable().getStackTrace(); |
| for (int i=0;i<stack.length;i++) |
| { |
| StackTraceElement e=stack[i]; |
| if (!e.getClassName().equals(THIS_CLASS)) |
| { |
| record.setSourceClassName(e.getClassName()); |
| record.setSourceMethodName(e.getMethodName()); |
| break; |
| } |
| } |
| } |
| _logger.log(record); |
| } |
| |
| public void warn(String msg, Object... args) |
| { |
| if (_logger.isLoggable(Level.WARNING)) |
| log(Level.WARNING,format(msg,args),null); |
| } |
| |
| public void warn(Throwable thrown) |
| { |
| if (_logger.isLoggable(Level.WARNING)) |
| log(Level.WARNING,"",thrown); |
| } |
| |
| public void warn(String msg, Throwable thrown) |
| { |
| if (_logger.isLoggable(Level.WARNING)) |
| log(Level.WARNING,msg,thrown); |
| } |
| |
| public void info(String msg, Object... args) |
| { |
| if (_logger.isLoggable(Level.INFO)) |
| log(Level.INFO, format(msg, args),null); |
| } |
| |
| public void info(Throwable thrown) |
| { |
| if (_logger.isLoggable(Level.INFO)) |
| log(Level.INFO, "",thrown); |
| } |
| |
| public void info(String msg, Throwable thrown) |
| { |
| if (_logger.isLoggable(Level.INFO)) |
| log(Level.INFO,msg,thrown); |
| } |
| |
| public boolean isDebugEnabled() |
| { |
| return _logger.isLoggable(Level.FINE); |
| } |
| |
| public void setDebugEnabled(boolean enabled) |
| { |
| if (enabled) |
| { |
| configuredLevel = _logger.getLevel(); |
| _logger.setLevel(Level.FINE); |
| } |
| else |
| { |
| _logger.setLevel(configuredLevel); |
| } |
| } |
| |
| public void debug(String msg, Object... args) |
| { |
| if (_logger.isLoggable(Level.FINE)) |
| log(Level.FINE,format(msg, args),null); |
| } |
| |
| public void debug(String msg, long arg) |
| { |
| if (_logger.isLoggable(Level.FINE)) |
| log(Level.FINE,format(msg, arg),null); |
| } |
| |
| public void debug(Throwable thrown) |
| { |
| if (_logger.isLoggable(Level.FINE)) |
| log(Level.FINE,"",thrown); |
| } |
| |
| public void debug(String msg, Throwable thrown) |
| { |
| if (_logger.isLoggable(Level.FINE)) |
| log(Level.FINE,msg,thrown); |
| } |
| |
| /** |
| * Create a Child Logger of this Logger. |
| */ |
| protected Logger newLogger(String fullname) |
| { |
| return new JavaUtilLog(fullname); |
| } |
| |
| public void ignore(Throwable ignored) |
| { |
| if (_logger.isLoggable(Level.ALL)) |
| log(Level.WARNING,Log.IGNORED,ignored); |
| } |
| |
| private String format(String msg, Object... args) |
| { |
| msg = String.valueOf(msg); // Avoids NPE |
| String braces = "{}"; |
| StringBuilder builder = new StringBuilder(); |
| int start = 0; |
| for (Object arg : args) |
| { |
| int bracesIndex = msg.indexOf(braces, start); |
| if (bracesIndex < 0) |
| { |
| builder.append(msg.substring(start)); |
| builder.append(" "); |
| builder.append(arg); |
| start = msg.length(); |
| } |
| else |
| { |
| builder.append(msg.substring(start, bracesIndex)); |
| builder.append(String.valueOf(arg)); |
| start = bracesIndex + braces.length(); |
| } |
| } |
| builder.append(msg.substring(start)); |
| return builder.toString(); |
| } |
| } |