org.boon.validation.validators.LengthValidator Maven / Gradle / Ivy
/*
* Copyright 2013-2014 Richard M. Hightower
* 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.
*
* __________ _____ __ .__
* \______ \ ____ ____ ____ /\ / \ _____ | | _|__| ____ ____
* | | _// _ \ / _ \ / \ \/ / \ / \\__ \ | |/ / |/ \ / ___\
* | | ( <_> | <_> ) | \ /\ / Y \/ __ \| <| | | \/ /_/ >
* |______ /\____/ \____/|___| / \/ \____|__ (____ /__|_ \__|___| /\___ /
* \/ \/ \/ \/ \/ \//_____/
* ____. ___________ _____ ______________.___.
* | |____ ___ _______ \_ _____/ / _ \ / _____/\__ | |
* | \__ \\ \/ /\__ \ | __)_ / /_\ \ \_____ \ / | |
* /\__| |/ __ \\ / / __ \_ | \/ | \/ \ \____ |
* \________(____ /\_/ (____ / /_______ /\____|__ /_______ / / ______|
* \/ \/ \/ \/ \/ \/
*/
package org.boon.validation.validators;
import org.boon.Boon;
import org.boon.validation.ValidatorMessage;
import org.boon.validation.ValidatorMessageHolder;
/**
* LongRangeValidator works with all integer ranges.
*/
public class LengthValidator extends BaseValidator {
/**
* The min value.
*/
private int min = 0;
/**
* The max value.
*/
private int max = Integer.MAX_VALUE;
/**
* Perform the actual validation.
*
* @param fieldValue the value to validate
* @param fieldLabel the logical name of the value used for generating error messages
*/
public ValidatorMessageHolder validate( Object fieldValue, String fieldLabel ) {
ValidatorMessage validatorMessage = new ValidatorMessage();
if ( fieldValue == null ) {
return validatorMessage;
}
int len = Boon.len( fieldValue );
if ( !( len >= min && len <= max ) ) {
populateMessage( validatorMessage, fieldLabel, min, max );
}
return validatorMessage;
}
public void setMax( int max ) {
this.max = max;
}
public void setMin( int min ) {
this.min = min;
}
}