// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.GWT.forms.client.nonpublic;

import java.io.*;

import org.litesoft.GWT.forms.client.components.*;
import org.litesoft.commonfoundation.typeutils.*;
import org.litesoft.ui.def.nonpublic.support.*;

public class StringRequireableAttributeAdapter extends AbstractFormRequireableAttributeAdapter
{
    public StringRequireableAttributeAdapter( FormInstanceComponentHandler pComponentHandler,
                                              AttributeMetaData pMD, UiRequirableMetaData pRMD,
                                              IFormComponent pComponent )
    {
        super( pComponentHandler, pMD, pRMD, pComponent );
    }

    protected Serializable LLconvertNonNullComponentValueToSendable( Object pValue )
    {
        return Strings.noEmpty( (String) pValue );
    }

    protected Object convertSendableToComponentValue( Serializable pValue )
    {
        return (pValue == null) ? "" : pValue.toString().trim();
    }

    protected String convertComponentValueToString( Object pValue )
    {
        String str = Strings.noEmpty( (String) pValue );
        return (str != null) ? "'" + str + "'" : "null";
    }

    protected Object convertStringToComponentValue( String pValue )
    {
        if ( (pValue == null) || "null".equals( pValue ) )
        {
            return null;
        }
        if ( (pValue.length() < 2) && !pValue.startsWith( "'" ) && !pValue.endsWith( "'" ) )
        {
            return "_Huh_";
        }
        return pValue.substring( 1, pValue.length() - 1 );
    }
}