| /* |
| * 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.filter; |
| |
| import org.apache.log4j.bridge.FilterWrapper; |
| import org.apache.log4j.builders.AbstractBuilder; |
| import org.apache.log4j.builders.BooleanHolder; |
| import org.apache.log4j.builders.Holder; |
| import org.apache.log4j.config.PropertiesConfiguration; |
| import org.apache.log4j.spi.Filter; |
| import org.apache.log4j.xml.XmlConfiguration; |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.plugins.Plugin; |
| import org.apache.logging.log4j.core.filter.LevelRangeFilter; |
| import org.apache.logging.log4j.status.StatusLogger; |
| import org.w3c.dom.Element; |
| |
| |
| import java.util.Properties; |
| |
| import static org.apache.log4j.builders.BuilderManager.CATEGORY; |
| import static org.apache.log4j.xml.XmlConfiguration.*; |
| |
| /** |
| * Build a Level match failter. |
| */ |
| @Plugin(name = "org.apache.log4j.varia.LevelRangeFilter", category = CATEGORY) |
| public class LevelRangeFilterBuilder extends AbstractBuilder implements FilterBuilder { |
| |
| private static final Logger LOGGER = StatusLogger.getLogger(); |
| private static final String LEVEL_MAX = "LevelMax"; |
| private static final String LEVEL_MIN = "LevelMin"; |
| private static final String ACCEPT_ON_MATCH = "AcceptOnMatch"; |
| |
| public LevelRangeFilterBuilder() { |
| } |
| |
| public LevelRangeFilterBuilder(String prefix, Properties props) { |
| super(prefix, props); |
| } |
| |
| @Override |
| public Filter parseFilter(Element filterElement, XmlConfiguration config) { |
| final Holder<String> levelMax = new Holder<>(); |
| final Holder<String> levelMin = new Holder<>(); |
| final Holder<Boolean> acceptOnMatch = new BooleanHolder(); |
| forEachElement(filterElement.getElementsByTagName("param"), (currentElement) -> { |
| if (currentElement.getTagName().equals("param")) { |
| switch (currentElement.getAttribute(NAME_ATTR)) { |
| case LEVEL_MAX: |
| levelMax.set(currentElement.getAttribute(VALUE_ATTR)); |
| break; |
| case LEVEL_MIN: |
| levelMax.set(currentElement.getAttribute(VALUE_ATTR)); |
| break; |
| case ACCEPT_ON_MATCH: |
| acceptOnMatch.set(Boolean.parseBoolean(currentElement.getAttribute(VALUE_ATTR))); |
| break; |
| } |
| } |
| }); |
| return createFilter(levelMax.get(), levelMin.get(), acceptOnMatch.get()); |
| } |
| |
| @Override |
| public Filter parseFilter(PropertiesConfiguration config) { |
| String levelMax = getProperty(LEVEL_MAX); |
| String levelMin = getProperty(LEVEL_MIN); |
| boolean acceptOnMatch = getBooleanProperty(ACCEPT_ON_MATCH); |
| return createFilter(levelMax, levelMin, acceptOnMatch); |
| } |
| |
| private Filter createFilter(String levelMax, String levelMin, boolean acceptOnMatch) { |
| Level max = Level.FATAL; |
| Level min = Level.TRACE; |
| if (levelMax != null) { |
| max = Level.toLevel(levelMax, Level.FATAL); |
| } |
| if (levelMin != null) { |
| min = Level.toLevel(levelMin, Level.DEBUG); |
| } |
| org.apache.logging.log4j.core.Filter.Result onMatch = acceptOnMatch |
| ? org.apache.logging.log4j.core.Filter.Result.ACCEPT |
| : org.apache.logging.log4j.core.Filter.Result.NEUTRAL; |
| |
| return new FilterWrapper(LevelRangeFilter.createFilter(min, max, onMatch, |
| org.apache.logging.log4j.core.Filter.Result.DENY)); |
| } |
| } |