org.apache.jackrabbit.oak.plugins.nodetype.constraint.BooleanConstraint 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.jackrabbit.oak.plugins.nodetype.constraint;
import javax.jcr.RepositoryException;
import javax.jcr.Value;
import com.google.common.base.Predicate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BooleanConstraint implements Predicate {
private static final Logger log = LoggerFactory.getLogger(BooleanConstraint.class);
private final Boolean requiredValue;
public BooleanConstraint(String definition) {
if ("true".equals(definition)) {
requiredValue = true;
}
else if ("false".equals(definition)) {
requiredValue = false;
}
else {
requiredValue = null;
log.warn('\'' + definition + "' is not a valid value constraint format for boolean values");
}
}
@Override
public boolean apply(Value value) {
try {
return value != null && requiredValue != null && value.getBoolean() == requiredValue;
}
catch (RepositoryException e) {
log.warn("Error checking boolean constraint " + this, e);
return false;
}
}
@Override
public String toString() {
return "'" + requiredValue + '\'';
}
}