org.nextframework.validation.validators.MaxLengthValidator.java Source code

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Here is the source code for org.nextframework.validation.validators.MaxLengthValidator.java

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/*
 * Next Framework http://www.nextframework.org
 * Copyright (C) 2009 the original author or authors.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * You may obtain a copy of the license at
 * 
 *     http://www.gnu.org/copyleft/lesser.html
 * 
 */
package org.nextframework.validation.validators;

import java.lang.annotation.Annotation;
import java.util.List;

import org.apache.commons.validator.GenericValidator;
import org.nextframework.validation.JavascriptValidationItem;
import org.nextframework.validation.ObjectAnnotationValidator;
import org.nextframework.validation.PropertyValidator;
import org.nextframework.validation.annotation.MaxLength;
import org.springframework.validation.Errors;

public class MaxLengthValidator implements PropertyValidator {

    public void validate(Object bean, Object property, String fieldName, String fieldDisplayName,
            Annotation annotation, Errors errors, ObjectAnnotationValidator annotationValidator) {
        if (property != null && !property.toString().trim().equals("")) {
            MaxLength maxLength = (MaxLength) annotation;
            int max = maxLength.value();
            if (!GenericValidator.maxLength(property.toString(), max)) {
                errors.rejectValue(fieldName, "maxLenght",
                        "O campo " + fieldDisplayName + " deve ter um tamanho menor ou igual  " + max);
            }
        }

    }

    public String getValidationName() {
        return "maxlength";
    }

    public String getValidationFunctionName() {
        return "MaxLength";
    }

    public String getJavascriptFunctionPath() {
        return "org/nextframework/validation/validators/javascript/validateMaxLength.js";
    }

    public String getJavascriptFunction(JavascriptValidationItem validationItem) {
        List<Annotation> validations = validationItem.getValidations();
        int max = 0;
        for (Annotation annotation : validations) {
            if (MaxLength.class.isAssignableFrom(annotation.getClass())) {
                max = ((MaxLength) annotation).value();
                break;
            }
        }
        return "new Function (\"varName\", \"this.maxlength='" + max + "';  return this[varName];\")";
    }

    public String getMessage(JavascriptValidationItem validationItem) {
        List<Annotation> validations = validationItem.getValidations();
        int max = 0;
        for (Annotation annotation : validations) {
            if (MaxLength.class.isAssignableFrom(annotation.getClass())) {
                max = ((MaxLength) annotation).value();
                break;
            }
        }
        return "O campo " + validationItem.getFieldDisplayName() + " deve ter um tamanho menor que " + max;
    }

}