Java tutorial
/* * Copyright 2007-2016 the original author or authors. * * Licensed 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 net.ymate.platform.log.slf4j; import net.ymate.platform.core.util.DateTimeUtils; import net.ymate.platform.log.ILogger; import org.apache.commons.lang.StringUtils; import org.apache.logging.log4j.Level; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.apache.logging.log4j.message.ParameterizedMessageFactory; import org.slf4j.Marker; import org.slf4j.impl.StaticMarkerBinder; import org.slf4j.spi.LocationAwareLogger; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; /** * @author (suninformation@163.com) on 15/11/4 ?11:30 * @version 1.0 */ public class Log4jLogger implements LocationAwareLogger, Serializable { private static final long serialVersionUID = 1L; private transient Logger __logger; private final String name; private transient EventDataConverter converter; private boolean __allowOutputConsole; public Log4jLogger(final Logger logger, String name, boolean allowOutputConsole) { this.__logger = logger; this.__allowOutputConsole = allowOutputConsole; this.name = name; this.converter = createConverter(); } protected void __doBuildEx(Object info, Throwable e, ILogger.LogLevel level, Marker marker) { StringBuilder _exSB = new StringBuilder( DateTimeUtils.formatTime(System.currentTimeMillis(), DateTimeUtils.YYYY_MM_DD_HH_MM_SS_SSS)) .append(level.getDispName()).append('[').append(Thread.currentThread().getId()).append(':') .append(__doMakeCallerInfo()).append(']').append(' ') .append(info == null ? StringUtils.EMPTY : StringUtils.trimToEmpty(info.toString())); if (e != null) { StringBuilder _stackSB = new StringBuilder(e.getClass().getName()).append(": ") .append(StringUtils.EMPTY).append(StringUtils.trimToEmpty(e.getMessage())).append("\n"); StackTraceElement[] _stacks = e.getStackTrace(); for (StackTraceElement _stack : _stacks) { _stackSB.append("\tat ").append(_stack).append("\n"); } __ex(_stackSB, e.getCause()); _exSB.append("- ").append(_stackSB); } __logger.log(Level.toLevel(level.getName(), Level.ALL), getMarker(marker), _exSB.toString()); // if (__allowOutputConsole) { System.out.println(_exSB.toString()); } } /** * ?? * * @return ??className.methodName:lineNumber?NO_STACK_TRACE:-1 */ protected String __doMakeCallerInfo() { StackTraceElement[] _stacks = new Throwable().getStackTrace(); // ??? if (_stacks.length > 3) { StackTraceElement _element = _stacks[3]; return StringUtils.substringBeforeLast(_element.getClassName(), ".").concat(".") .concat(_element.getMethodName()).concat(":") .concat(_element.getLineNumber() + StringUtils.EMPTY); } return "NO_STACK_TRACE:-1"; } /** * * * @param stackSB ??? * @param t ? * @return ?true */ protected boolean __ex(StringBuilder stackSB, Throwable t) { if (t != null) { stackSB.append("Caused by: ").append(t.getClass().getName()).append(": ") .append(StringUtils.trimToEmpty(t.getMessage())).append("\n"); StackTraceElement[] _traces = t.getStackTrace(); int _tracesSize = _traces.length; for (int _idx = 0; _idx < _tracesSize; _idx++) { if (_idx < 5) { stackSB.append("\tat ") // .append(_traces[_idx]).append("\n"); } else { stackSB.append("\t... ").append(_tracesSize - 5).append(" more\n"); break; } } if (__ex(stackSB, t.getCause())) { return true; } } return false; } public void trace(final String msg) { if (isTraceEnabled()) { __doBuildEx(msg, null, ILogger.LogLevel.TRACE, null); } } public void trace(final String format, final Object arg) { if (isTraceEnabled()) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.TRACE, null); } } public void trace(final String format, final Object arg1, final Object arg2) { if (isTraceEnabled()) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.TRACE, null); } } public void trace(final String format, final Object... args) { if (isTraceEnabled()) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.TRACE, null); } } public void trace(final String msg, final Throwable t) { if (isTraceEnabled()) { __doBuildEx(msg, t, ILogger.LogLevel.TRACE, null); } } public boolean isTraceEnabled() { return __logger.isEnabled(Level.TRACE); } public boolean isTraceEnabled(final Marker marker) { return __logger.isEnabled(Level.TRACE, getMarker(marker)); } public void trace(final Marker marker, final String msg) { if (isTraceEnabled(marker)) { __doBuildEx(msg, null, ILogger.LogLevel.TRACE, null); } } public void trace(final Marker marker, final String format, final Object arg) { if (isTraceEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.TRACE, marker); } } public void trace(final Marker marker, final String format, final Object arg1, final Object arg2) { if (isTraceEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.TRACE, marker); } } public void trace(final Marker marker, final String format, final Object... args) { if (isTraceEnabled(marker)) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.TRACE, marker); } } public void trace(final Marker marker, final String msg, final Throwable throwable) { if (isTraceEnabled(marker)) { __doBuildEx(msg, throwable, ILogger.LogLevel.TRACE, marker); } } public void debug(final String msg) { if (isDebugEnabled()) { __doBuildEx(msg, null, ILogger.LogLevel.DEBUG, null); } } public void debug(final String format, final Object arg) { if (isDebugEnabled()) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.DEBUG, null); } } public void debug(final String format, final Object arg1, final Object arg2) { if (isDebugEnabled()) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.DEBUG, null); } } public void debug(final String format, final Object... args) { if (isDebugEnabled()) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.DEBUG, null); } } public void debug(final String msg, final Throwable t) { if (isDebugEnabled()) { __doBuildEx(msg, t, ILogger.LogLevel.DEBUG, null); } } public boolean isDebugEnabled() { return __logger.isEnabled(Level.DEBUG); } public boolean isDebugEnabled(final Marker marker) { return __logger.isEnabled(Level.DEBUG, getMarker(marker)); } public void debug(final Marker marker, final String msg) { if (isDebugEnabled(marker)) { __doBuildEx(msg, null, ILogger.LogLevel.DEBUG, null); } } public void debug(final Marker marker, final String format, final Object arg) { if (isDebugEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.DEBUG, marker); } } public void debug(final Marker marker, final String format, final Object arg1, final Object arg2) { if (isDebugEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.DEBUG, marker); } } public void debug(final Marker marker, final String format, final Object... args) { if (isDebugEnabled(marker)) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.DEBUG, marker); } } public void debug(final Marker marker, final String msg, final Throwable throwable) { if (isDebugEnabled(marker)) { __doBuildEx(msg, throwable, ILogger.LogLevel.DEBUG, marker); } } public void info(final String msg) { if (isInfoEnabled()) { __doBuildEx(msg, null, ILogger.LogLevel.INFO, null); } } public void info(final String format, final Object arg) { if (isInfoEnabled()) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.INFO, null); } } public void info(final String format, final Object arg1, final Object arg2) { if (isInfoEnabled()) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.INFO, null); } } public void info(final String format, final Object... args) { if (isInfoEnabled()) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.INFO, null); } } public void info(final String msg, final Throwable t) { if (isInfoEnabled()) { __doBuildEx(msg, t, ILogger.LogLevel.INFO, null); } } public boolean isInfoEnabled() { return __logger.isEnabled(Level.INFO); } public boolean isInfoEnabled(final Marker marker) { return __logger.isEnabled(Level.INFO, getMarker(marker)); } public void info(final Marker marker, final String msg) { if (isInfoEnabled(marker)) { __doBuildEx(msg, null, ILogger.LogLevel.INFO, null); } } public void info(final Marker marker, final String format, final Object arg) { if (isInfoEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.INFO, marker); } } public void info(final Marker marker, final String format, final Object arg1, final Object arg2) { if (isInfoEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.INFO, marker); } } public void info(final Marker marker, final String format, final Object... args) { if (isInfoEnabled(marker)) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.INFO, marker); } } public void info(final Marker marker, final String msg, final Throwable throwable) { if (isInfoEnabled(marker)) { __doBuildEx(msg, throwable, ILogger.LogLevel.INFO, marker); } } public void warn(final String msg) { if (isWarnEnabled()) { __doBuildEx(msg, null, ILogger.LogLevel.WARN, null); } } public void warn(final String format, final Object arg) { if (isWarnEnabled()) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.WARN, null); } } public void warn(final String format, final Object arg1, final Object arg2) { if (isWarnEnabled()) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.WARN, null); } } public void warn(final String format, final Object... args) { if (isWarnEnabled()) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.WARN, null); } } public void warn(final String msg, final Throwable t) { if (isWarnEnabled()) { __doBuildEx(msg, t, ILogger.LogLevel.WARN, null); } } public boolean isWarnEnabled() { return __logger.isEnabled(Level.WARN); } public boolean isWarnEnabled(final Marker marker) { return __logger.isEnabled(Level.WARN, getMarker(marker)); } public void warn(final Marker marker, final String msg) { if (isWarnEnabled(marker)) { __doBuildEx(msg, null, ILogger.LogLevel.WARN, null); } } public void warn(final Marker marker, final String format, final Object arg) { if (isWarnEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.WARN, marker); } } public void warn(final Marker marker, final String format, final Object arg1, final Object arg2) { if (isWarnEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.WARN, marker); } } public void warn(final Marker marker, final String format, final Object... args) { if (isWarnEnabled(marker)) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.WARN, marker); } } public void warn(final Marker marker, final String msg, final Throwable throwable) { if (isWarnEnabled(marker)) { __doBuildEx(msg, throwable, ILogger.LogLevel.WARN, marker); } } public void error(final String msg) { if (isErrorEnabled()) { __doBuildEx(msg, null, ILogger.LogLevel.ERROR, null); } } public void error(final String format, final Object arg) { if (isErrorEnabled()) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.ERROR, null); } } public void error(final String format, final Object arg1, final Object arg2) { if (isErrorEnabled()) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.ERROR, null); } } public void error(final String format, final Object... args) { if (isErrorEnabled()) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.ERROR, null); } } public void error(final String msg, final Throwable t) { if (isErrorEnabled()) { __doBuildEx(msg, t, ILogger.LogLevel.ERROR, null); } } public boolean isErrorEnabled() { return __logger.isEnabled(Level.ERROR); } public boolean isErrorEnabled(final Marker marker) { return __logger.isEnabled(Level.ERROR, getMarker(marker)); } public void error(final Marker marker, final String msg) { if (isErrorEnabled(marker)) { __doBuildEx(msg, null, ILogger.LogLevel.ERROR, null); } } public void error(final Marker marker, final String format, final Object arg) { if (isErrorEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg), null, ILogger.LogLevel.ERROR, marker); } } public void error(final Marker marker, final String format, final Object arg1, final Object arg2) { if (isErrorEnabled(marker)) { __doBuildEx(__getSafeMessages(format, arg1, arg2), null, ILogger.LogLevel.ERROR, marker); } } public void error(final Marker marker, final String format, final Object... args) { if (isErrorEnabled(marker)) { __doBuildEx(__getSafeMessages(format, args), null, ILogger.LogLevel.ERROR, marker); } } public void error(final Marker marker, final String msg, final Throwable throwable) { if (isErrorEnabled(marker)) { __doBuildEx(msg, throwable, ILogger.LogLevel.ERROR, marker); } } public void log(final Marker marker, final String fqcn, final int level, final String message, final Object[] params, Throwable throwable) { __doBuildEx(__getSafeMessages(message, params), throwable, __parseLevel(level), marker); } private static org.apache.logging.log4j.Marker getMarker(final Marker marker) { if (marker == null) { return null; } else if (marker instanceof Log4jMarker) { return ((Log4jMarker) marker).getLog4jMarker(); } else { final Log4jMarkerFactory factory = (Log4jMarkerFactory) StaticMarkerBinder.SINGLETON.getMarkerFactory(); return ((Log4jMarker) factory.getMarker(marker)).getLog4jMarker(); } } public String getName() { return name; } private void readObject(final ObjectInputStream aInputStream) throws ClassNotFoundException, IOException { aInputStream.defaultReadObject(); __logger = LogManager.getContext().getLogger(name); converter = createConverter(); } private void writeObject(final ObjectOutputStream aOutputStream) throws IOException { aOutputStream.defaultWriteObject(); } private static EventDataConverter createConverter() { try { Class.forName("org.slf4j.ext.EventData"); return new EventDataConverter(); } catch (final ClassNotFoundException cnfe) { return null; } } private static String __getSafeMessages(String msg, Object... args) { if (StringUtils.isNotBlank(msg)) { return ParameterizedMessageFactory.INSTANCE.newMessage(msg, args).getFormattedMessage(); } return msg; } private static ILogger.LogLevel __parseLevel(int level) { switch (level) { case 600: return ILogger.LogLevel.TRACE; case 500: return ILogger.LogLevel.DEBUG; case 400: return ILogger.LogLevel.INFO; case 300: return ILogger.LogLevel.WARN; case 200: return ILogger.LogLevel.ERROR; case 100: return ILogger.LogLevel.FATAL; case 0: return ILogger.LogLevel.OFF; default: return ILogger.LogLevel.ALL; } } private static Level getLevel(final int i) { switch (i) { case LocationAwareLogger.TRACE_INT: return Level.TRACE; case LocationAwareLogger.DEBUG_INT: return Level.DEBUG; case LocationAwareLogger.INFO_INT: return Level.INFO; case LocationAwareLogger.WARN_INT: return Level.WARN; case LocationAwareLogger.ERROR_INT: return Level.ERROR; } return Level.ERROR; } }