org.jboss.logmanager.filters.LevelRangeFilter Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
*
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.jboss.logmanager.filters;
import java.util.logging.Filter;
import java.util.logging.Level;
import java.util.logging.LogRecord;
/**
* Log only messages that fall within a level range.
*/
public final class LevelRangeFilter implements Filter {
private final int min;
private final int max;
private final boolean minInclusive;
private final boolean maxInclusive;
/**
* Create a new instance.
*
* @param min the minimum (least severe) level, inclusive
* @param minInclusive {@code true} if the {@code min} value is inclusive, {@code false} if it is exclusive
* @param max the maximum (most severe) level, inclusive
* @param maxInclusive {@code true} if the {@code max} value is inclusive, {@code false} if it is exclusive
*/
public LevelRangeFilter(final Level min, final boolean minInclusive, final Level max, final boolean maxInclusive) {
this.minInclusive = minInclusive;
this.maxInclusive = maxInclusive;
this.min = min.intValue();
this.max = max.intValue();
if (this.max < this.min) {
throw new IllegalArgumentException("Max level cannot be less than min level");
}
}
/**
* Determine if a record is loggable.
*
* @param record the log record
* @return {@code true} if the record's level falls within the range specified for this instance
*/
public boolean isLoggable(final LogRecord record) {
final int iv = record.getLevel().intValue();
return (minInclusive ? min <= iv : min < iv) && (maxInclusive ? iv <= max : iv < max);
}
}