FloatValidator.java :  » Database-ORM » csvbeans » org » csvbeans » validators » Java Open Source

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csvbeans » org » csvbeans » validators » FloatValidator.java
/*
 * Copyright 2004-2006 Fouad HAMDI with the idea 
 * of SameLAN, S.L. Soluciones Tecnolgicas.
 *
 * 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.csvbeans.validators;

import org.csvbeans.exceptions.ValidationException;
import org.csvbeans.utils.MessagesBundle;

/**
 * The validator for float numbers.
 * 
 * @author Fouad Hamdi 
 * @since 0.7
 */
public class FloatValidator extends FieldValidator {

    /**
     * Validate the specified value.
     */
    public void validate(String value) throws ValidationException {
        if (value == null || "".equals(value.trim())) return;
        try {
            Float.parseFloat(value);
        } catch (NumberFormatException e) {
            throw new ValidationException(MessagesBundle.getMessage("value.float", new Object[]{value}), e);
        }
    }
}
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