| // |
| // ======================================================================== |
| // Copyright (c) 1995-2014 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.util.logging.Level; |
| |
| /** |
| * <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://java.sun.com/j2se/1.5.0/docs/guide/logging/overview.html"> |
| * standard java.util.logging configuration</a>. |
| * </p> |
| */ |
| public class JavaUtilLog extends AbstractLogger |
| { |
| private Level configuredLevel; |
| private java.util.logging.Logger _logger; |
| |
| public JavaUtilLog() |
| { |
| this("org.eclipse.jetty.util.log"); |
| } |
| |
| public JavaUtilLog(String name) |
| { |
| _logger = java.util.logging.Logger.getLogger(name); |
| if (Boolean.parseBoolean(Log.__props.getProperty("org.eclipse.jetty.util.log.DEBUG", "false"))) |
| { |
| _logger.setLevel(Level.FINE); |
| } |
| configuredLevel = _logger.getLevel(); |
| } |
| |
| public String getName() |
| { |
| return _logger.getName(); |
| } |
| |
| public void warn(String msg, Object... args) |
| { |
| _logger.log(Level.WARNING, format(msg, args)); |
| } |
| |
| public void warn(Throwable thrown) |
| { |
| warn("", thrown); |
| } |
| |
| public void warn(String msg, Throwable thrown) |
| { |
| _logger.log(Level.WARNING, msg, thrown); |
| } |
| |
| public void info(String msg, Object... args) |
| { |
| _logger.log(Level.INFO, format(msg, args)); |
| } |
| |
| public void info(Throwable thrown) |
| { |
| info("", thrown); |
| } |
| |
| public void info(String msg, Throwable thrown) |
| { |
| _logger.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) |
| { |
| _logger.log(Level.FINE, format(msg, args)); |
| } |
| |
| public void debug(Throwable thrown) |
| { |
| debug("", thrown); |
| } |
| |
| public void debug(String msg, Throwable thrown) |
| { |
| _logger.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 (Log.isIgnored()) |
| { |
| warn(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(); |
| } |
| } |