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/*
* 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.log4j.builders.appender;
import static org.apache.log4j.builders.BuilderManager.CATEGORY;
import static org.apache.log4j.config.Log4j1Configuration.THRESHOLD_PARAM;
import static org.apache.log4j.xml.XmlConfiguration.FILTER_TAG;
import static org.apache.log4j.xml.XmlConfiguration.LAYOUT_TAG;
import static org.apache.log4j.xml.XmlConfiguration.PARAM_TAG;
import static org.apache.log4j.xml.XmlConfiguration.forEachElement;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.log4j.Appender;
import org.apache.log4j.Layout;
import org.apache.log4j.bridge.AppenderWrapper;
import org.apache.log4j.bridge.LayoutAdapter;
import org.apache.log4j.bridge.LayoutWrapper;
import org.apache.log4j.builders.AbstractBuilder;
import org.apache.log4j.config.Log4j1Configuration;
import org.apache.log4j.config.PropertiesConfiguration;
import org.apache.log4j.spi.Filter;
import org.apache.log4j.xml.XmlConfiguration;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.appender.RollingFileAppender;
import org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy;
import org.apache.logging.log4j.core.appender.rolling.DefaultRolloverStrategy;
import org.apache.logging.log4j.core.appender.rolling.RolloverStrategy;
import org.apache.logging.log4j.core.appender.rolling.TimeBasedTriggeringPolicy;
import org.apache.logging.log4j.core.appender.rolling.TriggeringPolicy;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.status.StatusLogger;
import org.w3c.dom.Element;
/**
* Build a Daily Rolling File Appender
*/
@Plugin(name = "org.apache.log4j.DailyRollingFileAppender", category = CATEGORY)
public class DailyRollingFileAppenderBuilder extends AbstractBuilder implements AppenderBuilder {
private static final String DEFAULT_DATE_PATTERN = ".yyyy-MM-dd";
private static final String DATE_PATTERN_PARAM = "DatePattern";
private static final Logger LOGGER = StatusLogger.getLogger();
public DailyRollingFileAppenderBuilder() {
}
public DailyRollingFileAppenderBuilder(final String prefix, final Properties props) {
super(prefix, props);
}
@Override
public Appender parseAppender(final Element appenderElement, final XmlConfiguration config) {
final String name = getNameAttribute(appenderElement);
final AtomicReference layout = new AtomicReference<>();
final AtomicReference filter = new AtomicReference<>();
final AtomicReference fileName = new AtomicReference<>();
final AtomicReference level = new AtomicReference<>();
final AtomicBoolean immediateFlush = new AtomicBoolean(true);
final AtomicBoolean append = new AtomicBoolean(true);
final AtomicBoolean bufferedIo = new AtomicBoolean();
final AtomicInteger bufferSize = new AtomicInteger(8192);
final AtomicReference datePattern = new AtomicReference<>(DEFAULT_DATE_PATTERN);
forEachElement(appenderElement.getChildNodes(), currentElement -> {
switch (currentElement.getTagName()) {
case LAYOUT_TAG:
layout.set(config.parseLayout(currentElement));
break;
case FILTER_TAG:
config.addFilter(filter, currentElement);
break;
case PARAM_TAG:
switch (getNameAttributeKey(currentElement)) {
case FILE_PARAM:
set(FILE_PARAM, currentElement, fileName);
break;
case APPEND_PARAM:
set(APPEND_PARAM, currentElement, append);
break;
case BUFFERED_IO_PARAM:
set(BUFFERED_IO_PARAM, currentElement, bufferedIo);
break;
case BUFFER_SIZE_PARAM:
set(BUFFER_SIZE_PARAM, currentElement, bufferSize);
break;
case THRESHOLD_PARAM:
set(THRESHOLD_PARAM, currentElement, level);
break;
case DATE_PATTERN_PARAM:
set(DATE_PATTERN_PARAM, currentElement, datePattern);
break;
case IMMEDIATE_FLUSH_PARAM:
set(IMMEDIATE_FLUSH_PARAM, currentElement, immediateFlush);
break;
}
break;
}
});
return createAppender(name, layout.get(), filter.get(), fileName.get(), append.get(), immediateFlush.get(),
level.get(), bufferedIo.get(), bufferSize.get(), datePattern.get(), config);
}
@Override
public Appender parseAppender(final String name, final String appenderPrefix, final String layoutPrefix,
final String filterPrefix, final Properties props, final PropertiesConfiguration configuration) {
final Layout layout = configuration.parseLayout(layoutPrefix, name, props);
final Filter filter = configuration.parseAppenderFilters(props, filterPrefix, name);
final String fileName = getProperty(FILE_PARAM);
final String level = getProperty(THRESHOLD_PARAM);
final boolean append = getBooleanProperty(APPEND_PARAM, true);
final boolean immediateFlush = getBooleanProperty(IMMEDIATE_FLUSH_PARAM, true);
final boolean bufferedIo = getBooleanProperty(BUFFERED_IO_PARAM, false);
final int bufferSize = getIntegerProperty(BUFFER_SIZE_PARAM, 8192);
final String datePattern = getProperty(DATE_PATTERN_PARAM, DEFAULT_DATE_PATTERN);
return createAppender(name, layout, filter, fileName, append, immediateFlush,
level, bufferedIo, bufferSize, datePattern, configuration);
}
private Appender createAppender(final String name, final Layout layout,
final Filter filter, final String fileName, final boolean append, boolean immediateFlush,
final String level, final boolean bufferedIo, final int bufferSize, final String datePattern,
final T configuration) {
org.apache.logging.log4j.core.Layout fileLayout = null;
if (bufferedIo) {
immediateFlush = false;
}
if (layout instanceof LayoutWrapper) {
fileLayout = ((LayoutWrapper) layout).getLayout();
} else if (layout != null) {
fileLayout = new LayoutAdapter(layout);
}
final org.apache.logging.log4j.core.Filter fileFilter = buildFilters(level, filter);
if (fileName == null) {
LOGGER.warn("Unable to create File Appender, no file name provided");
return null;
}
final String filePattern = fileName + "%d{" + datePattern + "}";
final TriggeringPolicy timePolicy = TimeBasedTriggeringPolicy.newBuilder().withModulate(true).build();
final TriggeringPolicy policy = CompositeTriggeringPolicy.createPolicy(timePolicy);
final RolloverStrategy strategy = DefaultRolloverStrategy.newBuilder()
.withConfig(configuration)
.withMax(Integer.toString(Integer.MAX_VALUE))
.build();
return new AppenderWrapper(RollingFileAppender.newBuilder()
.setName(name)
.setConfiguration(configuration)
.setLayout(fileLayout)
.setFilter(fileFilter)
.withFileName(fileName)
.withAppend(append)
.setBufferedIo(bufferedIo)
.setBufferSize(bufferSize)
.setImmediateFlush(immediateFlush)
.withFilePattern(filePattern)
.withPolicy(policy)
.withStrategy(strategy)
.build());
}
}
