141 lines
4.1 KiB
Java
141 lines
4.1 KiB
Java
/*
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* Copyright 2016 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.util.internal.logging;
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import org.apache.logging.log4j.Level;
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import org.apache.logging.log4j.Logger;
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import org.apache.logging.log4j.spi.ExtendedLogger;
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import org.apache.logging.log4j.spi.ExtendedLoggerWrapper;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import static io.netty.util.internal.logging.AbstractInternalLogger.EXCEPTION_MESSAGE;
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class Log4J2Logger extends ExtendedLoggerWrapper implements InternalLogger {
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private static final long serialVersionUID = 5485418394879791397L;
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private static final boolean VARARGS_ONLY;
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static {
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// Older Log4J2 versions have only log methods that takes the format + varargs. So we should not use
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// Log4J2 if the version is too old.
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// See https://github.com/netty/netty/issues/8217
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VARARGS_ONLY = AccessController.doPrivileged((PrivilegedAction<Boolean>) () -> {
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try {
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Logger.class.getMethod("debug", String.class, Object.class);
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return false;
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} catch (NoSuchMethodException ignore) {
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// Log4J2 version too old.
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return true;
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} catch (SecurityException ignore) {
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// We could not detect the version so we will use Log4J2 if its on the classpath.
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return false;
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}
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});
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}
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Log4J2Logger(Logger logger) {
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super((ExtendedLogger) logger, logger.getName(), logger.getMessageFactory());
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if (VARARGS_ONLY) {
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throw new UnsupportedOperationException("Log4J2 version mismatch");
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}
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}
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@Override
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public String name() {
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return getName();
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}
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@Override
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public void trace(Throwable t) {
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log(Level.TRACE, EXCEPTION_MESSAGE, t);
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}
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@Override
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public void debug(Throwable t) {
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log(Level.DEBUG, EXCEPTION_MESSAGE, t);
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}
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@Override
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public void info(Throwable t) {
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log(Level.INFO, EXCEPTION_MESSAGE, t);
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}
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@Override
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public void warn(Throwable t) {
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log(Level.WARN, EXCEPTION_MESSAGE, t);
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}
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@Override
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public void error(Throwable t) {
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log(Level.ERROR, EXCEPTION_MESSAGE, t);
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}
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@Override
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public boolean isEnabled(InternalLogLevel level) {
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return isEnabled(toLevel(level));
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}
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@Override
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public void log(InternalLogLevel level, String msg) {
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log(toLevel(level), msg);
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}
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@Override
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public void log(InternalLogLevel level, String format, Object arg) {
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log(toLevel(level), format, arg);
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}
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@Override
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public void log(InternalLogLevel level, String format, Object argA, Object argB) {
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log(toLevel(level), format, argA, argB);
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}
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@Override
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public void log(InternalLogLevel level, String format, Object... arguments) {
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log(toLevel(level), format, arguments);
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}
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@Override
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public void log(InternalLogLevel level, String msg, Throwable t) {
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log(toLevel(level), msg, t);
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}
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@Override
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public void log(InternalLogLevel level, Throwable t) {
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log(toLevel(level), EXCEPTION_MESSAGE, t);
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}
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private static Level toLevel(InternalLogLevel level) {
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switch (level) {
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case INFO:
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return Level.INFO;
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case DEBUG:
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return Level.DEBUG;
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case WARN:
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return Level.WARN;
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case ERROR:
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return Level.ERROR;
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case TRACE:
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return Level.TRACE;
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default:
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throw new Error();
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}
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}
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}
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