| /* |
| * 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.core.appender.rolling.action; |
| |
| import java.nio.file.Path; |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.core.Core; |
| import org.apache.logging.log4j.core.appender.rolling.FileSize; |
| import org.apache.logging.log4j.plugins.Plugin; |
| import org.apache.logging.log4j.plugins.PluginAttribute; |
| import org.apache.logging.log4j.plugins.PluginElement; |
| import org.apache.logging.log4j.plugins.PluginFactory; |
| import org.apache.logging.log4j.status.StatusLogger; |
| |
| /** |
| * PathCondition that accepts paths after the accumulated file size threshold is exceeded during the file tree walk. |
| */ |
| @Plugin(name = "IfAccumulatedFileSize", category = Core.CATEGORY_NAME, printObject = true) |
| public final class IfAccumulatedFileSize implements PathCondition { |
| private static final Logger LOGGER = StatusLogger.getLogger(); |
| private final long thresholdBytes; |
| private long accumulatedSize; |
| private final PathCondition[] nestedConditions; |
| |
| private IfAccumulatedFileSize(final long thresholdSize, final PathCondition[] nestedConditions) { |
| if (thresholdSize <= 0) { |
| throw new IllegalArgumentException("Count must be a positive integer but was " + thresholdSize); |
| } |
| this.thresholdBytes = thresholdSize; |
| this.nestedConditions = PathCondition.copy(nestedConditions); |
| } |
| |
| public long getThresholdBytes() { |
| return thresholdBytes; |
| } |
| |
| public List<PathCondition> getNestedConditions() { |
| return Collections.unmodifiableList(Arrays.asList(nestedConditions)); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#accept(java.nio.file.Path, |
| * java.nio.file.Path, java.nio.file.attribute.BasicFileAttributes) |
| */ |
| @Override |
| public boolean accept(final Path basePath, final Path relativePath, final BasicFileAttributes attrs) { |
| accumulatedSize += attrs.size(); |
| final boolean result = accumulatedSize > thresholdBytes; |
| final String match = result ? ">" : "<="; |
| final String accept = result ? "ACCEPTED" : "REJECTED"; |
| LOGGER.trace("IfAccumulatedFileSize {}: {} accumulated size '{}' {} thresholdBytes '{}'", accept, relativePath, |
| accumulatedSize, match, thresholdBytes); |
| if (result) { |
| return IfAll.accept(nestedConditions, basePath, relativePath, attrs); |
| } |
| return result; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#beforeFileTreeWalk() |
| */ |
| @Override |
| public void beforeFileTreeWalk() { |
| accumulatedSize = 0; |
| IfAll.beforeFileTreeWalk(nestedConditions); |
| } |
| |
| /** |
| * Create an IfAccumulatedFileSize condition. |
| * |
| * @param threshold The threshold accumulated file size from which files will be deleted. |
| * @return An IfAccumulatedFileSize condition. |
| */ |
| @PluginFactory |
| public static IfAccumulatedFileSize createFileSizeCondition( |
| // @formatter:off |
| @PluginAttribute("exceeds") final String size, |
| @PluginElement("PathConditions") final PathCondition... nestedConditions) { |
| // @formatter:on |
| |
| if (size == null) { |
| LOGGER.error("IfAccumulatedFileSize missing mandatory size threshold."); |
| } |
| final long threshold = size == null ? Long.MAX_VALUE : FileSize.parse(size, Long.MAX_VALUE); |
| return new IfAccumulatedFileSize(threshold, nestedConditions); |
| } |
| |
| @Override |
| public String toString() { |
| final String nested = nestedConditions.length == 0 ? "" : " AND " + Arrays.toString(nestedConditions); |
| return "IfAccumulatedFileSize(exceeds=" + thresholdBytes + nested + ")"; |
| } |
| } |