Jake Slack | 03928ae | 2014-05-13 18:41:56 -0700 | [diff] [blame] | 1 | // |
| 2 | // ======================================================================== |
| 3 | // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| 4 | // ------------------------------------------------------------------------ |
| 5 | // All rights reserved. This program and the accompanying materials |
| 6 | // are made available under the terms of the Eclipse Public License v1.0 |
| 7 | // and Apache License v2.0 which accompanies this distribution. |
| 8 | // |
| 9 | // The Eclipse Public License is available at |
| 10 | // http://www.eclipse.org/legal/epl-v10.html |
| 11 | // |
| 12 | // The Apache License v2.0 is available at |
| 13 | // http://www.opensource.org/licenses/apache2.0.php |
| 14 | // |
| 15 | // You may elect to redistribute this code under either of these licenses. |
| 16 | // ======================================================================== |
| 17 | // |
| 18 | |
| 19 | package org.eclipse.jetty.util.log; |
| 20 | |
| 21 | import java.lang.reflect.Method; |
| 22 | |
| 23 | /** |
| 24 | * |
| 25 | */ |
| 26 | public class LoggerLog extends AbstractLogger |
| 27 | { |
| 28 | private final Object _logger; |
| 29 | private final Method _debugMT; |
| 30 | private final Method _debugMAA; |
| 31 | private final Method _infoMT; |
| 32 | private final Method _infoMAA; |
| 33 | private final Method _warnMT; |
| 34 | private final Method _warnMAA; |
| 35 | private final Method _setDebugEnabledE; |
| 36 | private final Method _getLoggerN; |
| 37 | private final Method _getName; |
| 38 | private volatile boolean _debug; |
| 39 | |
| 40 | public LoggerLog(Object logger) |
| 41 | { |
| 42 | try |
| 43 | { |
| 44 | _logger = logger; |
| 45 | Class<?> lc = logger.getClass(); |
| 46 | _debugMT = lc.getMethod("debug", new Class[]{String.class, Throwable.class}); |
| 47 | _debugMAA = lc.getMethod("debug", new Class[]{String.class, Object[].class}); |
| 48 | _infoMT = lc.getMethod("info", new Class[]{String.class, Throwable.class}); |
| 49 | _infoMAA = lc.getMethod("info", new Class[]{String.class, Object[].class}); |
| 50 | _warnMT = lc.getMethod("warn", new Class[]{String.class, Throwable.class}); |
| 51 | _warnMAA = lc.getMethod("warn", new Class[]{String.class, Object[].class}); |
| 52 | Method _isDebugEnabled = lc.getMethod("isDebugEnabled"); |
| 53 | _setDebugEnabledE = lc.getMethod("setDebugEnabled", new Class[]{Boolean.TYPE}); |
| 54 | _getLoggerN = lc.getMethod("getLogger", new Class[]{String.class}); |
| 55 | _getName = lc.getMethod("getName"); |
| 56 | |
| 57 | _debug = (Boolean)_isDebugEnabled.invoke(_logger); |
| 58 | } |
| 59 | catch(Exception x) |
| 60 | { |
| 61 | throw new IllegalStateException(x); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | public String getName() |
| 66 | { |
| 67 | try |
| 68 | { |
| 69 | return (String)_getName.invoke(_logger); |
| 70 | } |
| 71 | catch (Exception e) |
| 72 | { |
| 73 | e.printStackTrace(); |
| 74 | return null; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | public void warn(String msg, Object... args) |
| 79 | { |
| 80 | try |
| 81 | { |
| 82 | _warnMAA.invoke(_logger, args); |
| 83 | } |
| 84 | catch (Exception e) |
| 85 | { |
| 86 | e.printStackTrace(); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | public void warn(Throwable thrown) |
| 91 | { |
| 92 | warn("", thrown); |
| 93 | } |
| 94 | |
| 95 | public void warn(String msg, Throwable thrown) |
| 96 | { |
| 97 | try |
| 98 | { |
| 99 | _warnMT.invoke(_logger, msg, thrown); |
| 100 | } |
| 101 | catch (Exception e) |
| 102 | { |
| 103 | e.printStackTrace(); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | public void info(String msg, Object... args) |
| 108 | { |
| 109 | try |
| 110 | { |
| 111 | _infoMAA.invoke(_logger, args); |
| 112 | } |
| 113 | catch (Exception e) |
| 114 | { |
| 115 | e.printStackTrace(); |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | public void info(Throwable thrown) |
| 120 | { |
| 121 | info("", thrown); |
| 122 | } |
| 123 | |
| 124 | public void info(String msg, Throwable thrown) |
| 125 | { |
| 126 | try |
| 127 | { |
| 128 | _infoMT.invoke(_logger, msg, thrown); |
| 129 | } |
| 130 | catch (Exception e) |
| 131 | { |
| 132 | e.printStackTrace(); |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | public boolean isDebugEnabled() |
| 137 | { |
| 138 | return _debug; |
| 139 | } |
| 140 | |
| 141 | public void setDebugEnabled(boolean enabled) |
| 142 | { |
| 143 | try |
| 144 | { |
| 145 | _setDebugEnabledE.invoke(_logger, enabled); |
| 146 | _debug = enabled; |
| 147 | } |
| 148 | catch (Exception e) |
| 149 | { |
| 150 | e.printStackTrace(); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | public void debug(String msg, Object... args) |
| 155 | { |
| 156 | if (!_debug) |
| 157 | return; |
| 158 | |
| 159 | try |
| 160 | { |
| 161 | _debugMAA.invoke(_logger, args); |
| 162 | } |
| 163 | catch (Exception e) |
| 164 | { |
| 165 | e.printStackTrace(); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | public void debug(Throwable thrown) |
| 170 | { |
| 171 | debug("", thrown); |
| 172 | } |
| 173 | |
| 174 | public void debug(String msg, Throwable th) |
| 175 | { |
| 176 | if (!_debug) |
| 177 | return; |
| 178 | |
| 179 | try |
| 180 | { |
| 181 | _debugMT.invoke(_logger, msg, th); |
| 182 | } |
| 183 | catch (Exception e) |
| 184 | { |
| 185 | e.printStackTrace(); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | public void ignore(Throwable ignored) |
| 190 | { |
| 191 | if (Log.isIgnored()) |
| 192 | { |
| 193 | warn(Log.IGNORED, ignored); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Create a Child Logger of this Logger. |
| 199 | */ |
| 200 | protected Logger newLogger(String fullname) |
| 201 | { |
| 202 | try |
| 203 | { |
| 204 | Object logger=_getLoggerN.invoke(_logger, fullname); |
| 205 | return new LoggerLog(logger); |
| 206 | } |
| 207 | catch (Exception e) |
| 208 | { |
| 209 | e.printStackTrace(); |
| 210 | return this; |
| 211 | } |
| 212 | } |
| 213 | } |