NumberRangeValidator.java

/******************************************************************************
 * JBoss, a division of Red Hat                                               *
 * Copyright 2011, Red Hat Middleware, LLC, and individual                    *
 * contributors as indicated by the @authors tag. See the                     *
 * copyright.txt in the distribution for a full listing of                    *
 * individual contributors.                                                   *
 *                                                                            *
 * This is free software; you can redistribute it and/or modify it            *
 * under the terms of the GNU Lesser General Public License as                *
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 * This software is distributed in the hope that it will be useful,           *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU           *
 * Lesser General Public License for more details.                            *
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 * You should have received a copy of the GNU Lesser General Public           *
 * License along with this software; if not, write to the Free                *
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package org.exoplatform.webui.form.validator;

import org.exoplatform.web.application.CompoundApplicationMessage;

/**
 * @author <a href="mailto:mwringe@redhat.com">Matt Wringe</a>
 * @version $Revision$
 */
public class NumberRangeValidator extends NumberFormatValidator {
    private int min;
    private int max;

    public NumberRangeValidator(int min, int max) {
        this.min = min;
        this.max = max;
    }

    @Override
    protected String getMessageLocalizationKey() {
        return "NumberRangeValidator.msg.Invalid-number";
    }

    @Override
    protected Integer validateInteger(String value, String label, CompoundApplicationMessage messages) {
        Integer integer = super.validateInteger(value, label, messages);

        if (integer == null) {
            return null;
        } else if (integer < min || integer > max) {
            messages.addMessage(getMessageLocalizationKey(), new Object[] { label, min, max });
            return null;
        } else {
            return integer;
        }
    }
}