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'databene commons' is an open source Java library by Volker Bergmann.
It provides extensions to the Java core library by utility classes, abstract concepts
and concrete implementations.
/*
* Copyright (C) 2004-2014 Volker Bergmann ([email protected]).
* All rights reserved.
*
* 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.databene.commons.validator;
import org.databene.commons.Validator;
/**
* Validates a String by length and characters.
*
* Created at 14.08.2008 09:19:51
* @since 0.4.5
* @author Volker Bergmann
*/
public class StringValidator extends StringLengthValidator {
private Validator charValidator;
// constructors ----------------------------------------------------------------------------------------------------
public StringValidator() {
this(null);
}
public StringValidator(Validator charValidator) {
this(charValidator, 0, null);
}
public StringValidator(int minLength, Integer maxLength) {
this(null, minLength, maxLength);
}
public StringValidator(Validator charValidator, int minLength, Integer maxLength) {
super(minLength, maxLength);
this.charValidator = charValidator;
}
// Validator implementation ----------------------------------------------------------------------------------------
@Override
public boolean valid(String text) {
if (!super.valid(text))
return false;
if (charValidator != null)
for (int i = 0 ; i < text.length(); i++)
if (!charValidator.valid(text.charAt(i)))
return false;
return true;
}
}