Package org.apache.turbine.services.intake.model

Source Code of org.apache.turbine.services.intake.model.ComboKeyField

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

/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 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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* 3. The end-user documentation included with the redistribution,
*    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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* 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.Vector;
import org.apache.turbine.om.ComboKey;
import org.apache.turbine.om.ObjectKey;
import org.apache.turbine.services.intake.xmlmodel.Rule;
import org.apache.turbine.services.intake.xmlmodel.XmlField;
import org.apache.turbine.util.ParameterParser;
import org.apache.turbine.util.ValueParser;

/**  */
public class ComboKeyField extends Field
{
    protected final ComboKey minValue;
    protected final String minValueMessage;
    protected final boolean minValueForce;
    protected final ComboKey maxValue;
    protected final String maxValueMessage;
    protected final boolean maxValueForce;

    public ComboKeyField(XmlField field, Group group)
        throws Exception
    {
        super(field, group);

        onError = new ComboKey();

        ComboKey tmpMinValue = null;
        String tmpMinValueMessage = null;
        boolean tmpMinValueForce = false;
        ComboKey tmpMaxValue = null;
        String tmpMaxValueMessage = null;
        boolean tmpMaxValueForce = false;
        for (int i=0; i<field.getRules().size(); i++)
        {
            Rule rule = (Rule)field.getRules().get(i);

            if ( rule.getMinValue() != null )
            {
                tmpMinValue = new ComboKey(rule.getMinValue());
                tmpMinValueMessage = rule.getMessage();
                tmpMinValueForce = "force".equals(rule.getAction());
            }

            if ( rule.getMaxValue() != null )
            {
                tmpMaxValue = new ComboKey(rule.getMaxValue());
                tmpMaxValueMessage = rule.getMessage();
                tmpMaxValueForce = "force".equals(rule.getAction());
            }
        } 
        minValue = tmpMinValue;
        minValueMessage  = tmpMinValueMessage;
        minValueForce  = tmpMinValueForce;
        maxValue = tmpMaxValue;
        maxValueMessage  = tmpMaxValueMessage;
        maxValueForce  = tmpMaxValueForce;
    }
   
    /**
     * Compares request data with constraints and sets the valid flag.
     */
    protected void doValidate(ParameterParser pp)
    {
        if ( isMultiValued  )
        {
            String[] ss = pp.getStrings(getKey());
            ComboKey[] ival = new ComboKey[ss.length];
            for (int i=0; i<ss.length; i++)
            {
                ival[i] = checkString(ss[i]);
            }
            setTestValue(ival);
        }
        else
        {
            setTestValue( checkString(pp.getString(getKey())) );
        }
    }

    /**
     * Compares request data with constraints and sets the valid flag.
     */
    private ComboKey checkString(String val)
    {
        ComboKey ival = (ComboKey)onError;
        try
        {
            ival = new ComboKey(val);
        }
        catch (Exception e)
        {
            valid_flag = false;
            ival = (ComboKey)onError;
        }

        boolean b;
        if ( maxLength > 0 )
        {
            b = val.length() > maxLength;
            if ( maxLengthForce  && b )
            {
                val = val.substring(0, maxLength);
                try
                {
                    ival = new ComboKey(val);
                }
                catch (Exception e)
                {
                    valid_flag = false;
                    ival = (ComboKey)onError;
                }
            }
            else
            {
                valid_flag &= !b;
            }
            if (maxLengthMessage != null && b)
            {
                message = maxLengthMessage;
            }
        }

        if ( minValue != null )
        {
            b = ival.compareTo(minValue) < 0;
            if ( minValueForce  && b )
            {
                ival = minValue;
            }
            else
            {
                valid_flag &= !b;
            }
            if (minValueForce  && b)
            {
                message = minValueMessage;
            }
        }

        if ( maxValue != null  )
        {
            b = ival.compareTo(maxValue) > 0;
            if ( maxValueForce  && b )
            {
                ival = maxValue;
            }
            else
            {
                valid_flag &= !b;
            }
            if (maxValueForce  && b)
            {
                message = maxValueMessage;
            }
        }
        return ival;
    }
}


















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