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org.apache.logging.log4j.internal.DefaultLogBuilder Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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 org.apache.logging.log4j.internal;
import java.util.Arrays;
import org.apache.logging.log4j.BridgeAware;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogBuilder;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.message.Message;
import org.apache.logging.log4j.message.SimpleMessage;
import org.apache.logging.log4j.spi.ExtendedLogger;
import org.apache.logging.log4j.status.StatusLogger;
import org.apache.logging.log4j.util.LambdaUtil;
import org.apache.logging.log4j.util.StackLocatorUtil;
import org.apache.logging.log4j.util.Supplier;
/**
* Collects data for a log event and then logs it. This class should be considered private.
*/
public class DefaultLogBuilder implements BridgeAware, LogBuilder {
private static Message EMPTY_MESSAGE = new SimpleMessage("");
private static final String FQCN = DefaultLogBuilder.class.getName();
private static final Logger LOGGER = StatusLogger.getLogger();
private ExtendedLogger logger;
private Level level;
private Marker marker;
private Throwable throwable;
private StackTraceElement location;
private volatile boolean inUse;
private long threadId;
private String fqcn = FQCN;
public DefaultLogBuilder(final ExtendedLogger logger, final Level level) {
this.logger = logger;
this.level = level;
this.threadId = Thread.currentThread().getId();
this.inUse = level != null;
}
public DefaultLogBuilder() {
this(null, null);
}
@Override
public void setEntryPoint(final String fqcn) {
this.fqcn = fqcn;
}
/**
* This method should be considered internal. It is used to reset the LogBuilder for a new log message.
* @param level The logging level for this event.
* @return This LogBuilder instance.
*/
public LogBuilder reset(final ExtendedLogger logger, final Level level) {
this.logger = logger;
this.level = level;
this.marker = null;
this.throwable = null;
this.location = null;
this.inUse = true;
return this;
}
@Override
public LogBuilder withMarker(final Marker marker) {
this.marker = marker;
return this;
}
@Override
public LogBuilder withThrowable(final Throwable throwable) {
this.throwable = throwable;
return this;
}
@Override
public LogBuilder withLocation() {
location = StackLocatorUtil.getStackTraceElement(2);
return this;
}
@Override
public LogBuilder withLocation(StackTraceElement location) {
this.location = location;
return this;
}
public boolean isInUse() {
return inUse;
}
@Override
public void log(Message message) {
if (isValid() && isEnabled(message)) {
logMessage(message);
}
}
@Override
public Message logAndGet(final Supplier messageSupplier) {
Message message = null;
if (isValid() && isEnabled(message = messageSupplier.get())) {
logMessage(message);
}
return message;
}
@Override
public void log(final CharSequence message) {
if (isValid() && isEnabled(message)) {
logMessage(logger.getMessageFactory().newMessage(message));
}
}
@Override
public void log(String message) {
if (isValid() && isEnabled(message)) {
logMessage(logger.getMessageFactory().newMessage(message));
}
}
@Override
public void log(String message, Object... params) {
if (isValid() && isEnabled(message, params)) {
logMessage(logger.getMessageFactory().newMessage(message, params));
}
}
@Override
public void log(String message, Supplier... params) {
final Object[] objs;
if (isValid() && isEnabled(message, objs = LambdaUtil.getAll(params))) {
logMessage(logger.getMessageFactory().newMessage(message, objs));
}
}
@Override
public void log(final Supplier messageSupplier) {
logAndGet(messageSupplier);
}
@Override
public void log(Object message) {
if (isValid() && isEnabled(message)) {
logMessage(logger.getMessageFactory().newMessage(message));
}
}
@Override
public void log(String message, Object p0) {
if (isValid() && isEnabled(message, p0)) {
logMessage(logger.getMessageFactory().newMessage(message, p0));
}
}
@Override
public void log(String message, Object p0, Object p1) {
if (isValid() && isEnabled(message, p0, p1)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1));
}
}
@Override
public void log(String message, Object p0, Object p1, Object p2) {
if (isValid() && isEnabled(message, p0, p1, p2)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1, p2));
}
}
@Override
public void log(String message, Object p0, Object p1, Object p2, Object p3) {
if (isValid() && isEnabled(message, p0, p1, p2, p3)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1, p2, p3));
}
}
@Override
public void log(String message, Object p0, Object p1, Object p2, Object p3, Object p4) {
if (isValid() && isEnabled(message, p0, p1, p2, p3, p4)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1, p2, p3, p4));
}
}
@Override
public void log(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5) {
if (isValid() && isEnabled(message, p0, p1, p2, p3, p4, p5)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1, p2, p3, p4, p5));
}
}
@Override
public void log(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5, Object p6) {
if (isValid() && isEnabled(message, p0, p1, p2, p3, p4, p5, p6)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1, p2, p3, p4, p5, p6));
}
}
@Override
public void log(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5, Object p6,
Object p7) {
if (isValid() && isEnabled(message, p0, p1, p2, p3, p4, p5, p6, p7)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1, p2, p3, p4, p5, p6, p7));
}
}
@Override
public void log(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5, Object p6,
Object p7, Object p8) {
if (isValid() && isEnabled(message, p0, p1, p2, p3, p4, p5, p6, p7, p8)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1, p2, p3, p4, p5, p6, p7, p8));
}
}
@Override
public void log(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5, Object p6,
Object p7, Object p8, Object p9) {
if (isValid() && isEnabled(message, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9)) {
logMessage(logger.getMessageFactory().newMessage(message, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9));
}
}
@Override
public void log() {
if (isValid() && isEnabled(EMPTY_MESSAGE)) {
logMessage(EMPTY_MESSAGE);
}
}
private void logMessage(Message message) {
try {
logger.logMessage(level, marker, fqcn, location, message, throwable);
} finally {
inUse = false;
}
}
private boolean isValid() {
if (!inUse) {
LOGGER.warn("Attempt to reuse LogBuilder was ignored. {}",
StackLocatorUtil.getCallerClass(2));
return false ;
}
if (this.threadId != Thread.currentThread().getId()) {
LOGGER.warn("LogBuilder can only be used on the owning thread. {}",
StackLocatorUtil.getCallerClass(2));
return false;
}
return true;
}
protected boolean isEnabled(Message message) {
return logger.isEnabled(level, marker, message, throwable);
}
protected boolean isEnabled(CharSequence message) {
return logger.isEnabled(level, marker, message, throwable);
}
protected boolean isEnabled(String message) {
return logger.isEnabled(level, marker, message, throwable);
}
protected boolean isEnabled(String message, Object... params) {
final Object[] newParams;
if (throwable != null) {
newParams = Arrays.copyOf(params, params.length + 1);
newParams[params.length] = throwable;
} else {
newParams = params;
}
return logger.isEnabled(level, marker, message, newParams);
}
protected boolean isEnabled(Object message) {
return logger.isEnabled(level, marker, message, throwable);
}
protected boolean isEnabled(String message, Object p0) {
return throwable != null ? logger.isEnabled(level, marker, message, p0, throwable)
: logger.isEnabled(level, marker, message, p0);
}
protected boolean isEnabled(String message, Object p0, Object p1) {
return throwable != null ? logger.isEnabled(level, marker, message, p0, p1, throwable)
: logger.isEnabled(level, marker, message, p0, p1);
}
protected boolean isEnabled(String message, Object p0, Object p1, Object p2) {
return throwable != null ? logger.isEnabled(level, marker, message, p0, p1, p2, throwable)
: logger.isEnabled(level, marker, message, p0, p1, p2);
}
protected boolean isEnabled(String message, Object p0, Object p1, Object p2, Object p3) {
return throwable != null ? logger.isEnabled(level, marker, message, p0, p1, p2, p3, throwable)
: logger.isEnabled(level, marker, message, p0, p1, p2, p3);
}
protected boolean isEnabled(String message, Object p0, Object p1, Object p2, Object p3, Object p4) {
return throwable != null ? logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, throwable)
: logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4);
}
protected boolean isEnabled(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5) {
return throwable != null ? logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, throwable)
: logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5);
}
protected boolean isEnabled(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5,
Object p6) {
return throwable != null ? logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, p6, throwable)
: logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, p6);
}
protected boolean isEnabled(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5,
Object p6, Object p7) {
return throwable != null ? logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, p6, p7, throwable)
: logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, p6, p7);
}
protected boolean isEnabled(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5,
Object p6, Object p7, Object p8) {
return throwable != null
? logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, p6, p7, p8, throwable)
: logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, p6, p7, p8);
}
protected boolean isEnabled(String message, Object p0, Object p1, Object p2, Object p3, Object p4, Object p5,
Object p6, Object p7, Object p8, Object p9) {
return throwable != null
? logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, throwable)
: logger.isEnabled(level, marker, message, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9);
}
}
