/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.core.validator;
import java.util.regex.Pattern;
import org.structr.common.SecurityContext;
import org.structr.core.property.PropertyKey;
import org.structr.common.error.ErrorBuffer;
import org.structr.common.error.MatchToken;
import org.structr.core.GraphObject;
import org.structr.core.PropertyValidator;
/**
* A simple regular expression validator.
*
* @author Christian Morgner
*/
public class SimpleRegexValidator implements PropertyValidator<String> {
private Pattern pattern = null;
public SimpleRegexValidator(String expression) {
this.pattern = Pattern.compile(expression);
}
@Override
public boolean isValid(SecurityContext securityContext, GraphObject object, PropertyKey<String> key, String value, ErrorBuffer errorBuffer) {
if (value != null && pattern.matcher(value).matches()) {
return true;
}
errorBuffer.add(object.getType(), new MatchToken(key, value, this.pattern.pattern()));
return false;
}
@Override
public boolean requiresSynchronization() {
return false;
}
}