Package org.apache.turbine.services.intake.validator

Source Code of org.apache.turbine.services.intake.validator.NumberKeyValidator

package org.apache.turbine.services.intake.validator;

/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
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*    distribution.
*
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*    if any, must include the following acknowledgment:
*       "This product includes software developed by the
*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowledgment may appear in the software itself,
*    if and wherever such third-party acknowledgments normally appear.
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*    "Apache Turbine" must not be used to endorse or promote products
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*
* 5. Products derived from this software may not be called "Apache",
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/

import java.util.Map;

import org.apache.torque.om.NumberKey;

/**
* Validates numbers with the following constraints in addition to those
* listed in DefaultValidator.
*
* <table>
* <tr><th>Name</th><th>Valid Values</th><th>Default Value</th></tr>
* <tr><td>minValue</td><td>greater than Integer.MIN_VALUE</td>
* <td>&nbsp;</td></tr>
* <tr><td>maxValue</td><td>less than BigDecimal.MAX_VALUE</td>
* <td>&nbsp;</td></tr>
* <tr><td>notANumberMessage</td><td>Some text</td>
* <td>Entry was not a valid number</td></tr>
* </table>
*
* @author <a href="mailto:jmcnally@collab.net">John McNally</a>
* @author <a href="mailto:quintonm@bellsouth.net">Quinton McCombs</a>
* @version $Id: NumberKeyValidator.java,v 1.11 2003/06/19 16:55:17 henning Exp $
* @deprecated No replacement
*/
public class NumberKeyValidator
        extends NumberValidator
{
    private static String INVALID_NUMBER = "Entry was not valid.";

    private NumberKey minValue;
    private NumberKey maxValue;

    public NumberKeyValidator(Map paramMap)
            throws InvalidMaskException
    {
        this();
        init(paramMap);
    }

    public NumberKeyValidator()
    {
        // sets the default invalid number message
        super();
    }

    protected void doInit(Map paramMap)
    {
        minValue = null;
        maxValue = null;

        Constraint constraint = (Constraint) paramMap.get(MIN_VALUE_RULE_NAME);
        if (constraint != null)
        {
            String param = constraint.getValue();
            minValue = new NumberKey(param);
            minValueMessage = constraint.getMessage();
        }

        constraint = (Constraint) paramMap.get(MAX_VALUE_RULE_NAME);
        if (constraint != null)
        {
            String param = constraint.getValue();
            maxValue = new NumberKey(param);
            maxValueMessage = constraint.getMessage();
        }
    }

    protected String getDefaultInvalidNumberMessage()
    {
        return INVALID_NUMBER;
    }

    /**
     * Determine whether a testValue meets the criteria specified
     * in the constraints defined for this validator
     *
     * @param testValue a <code>String</code> to be tested
     * @exception ValidationException containing an error message if the
     * testValue did not pass the validation tests.
     */
    public void assertValidity(String testValue)
            throws ValidationException
    {
        NumberKey nk = null;
        try
        {
            nk = new NumberKey(testValue);
        }
        catch (RuntimeException e)
        {
            errorMessage = invalidNumberMessage;
            throw new ValidationException(invalidNumberMessage);
        }
        if (minValue != null && nk.compareTo(minValue) < 0)
        {
            errorMessage = minValueMessage;
            throw new ValidationException(minValueMessage);
        }
        if (maxValue != null && nk.compareTo(maxValue) > 0)
        {
            errorMessage = maxValueMessage;
            throw new ValidationException(maxValueMessage);
        }
    }


    // ************************************************************
    // **                Bean accessor methods                   **
    // ************************************************************

    /**
     * Get the value of minValue.
     *
     * @return value of minValue.
     */
    public NumberKey getMinValue()
    {
        return minValue;
    }

    /**
     * Set the value of minValue.
     *
     * @param minValue Value to assign to minValue.
     */
    public void setMinValue(NumberKey minValue)
    {
        this.minValue = minValue;
    }

    /**
     * Get the value of maxValue.
     *
     * @return value of maxValue.
     */
    public NumberKey getMaxValue()
    {
        return maxValue;
    }

    /**
     * Set the value of maxValue.
     *
     * @param maxValue Value to assign to maxValue.
     */
    public void setMaxValue(NumberKey maxValue)
    {
        this.maxValue = maxValue;
    }
}
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