// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.bo.views;

import org.litesoft.commonfoundation.typeutils.*;
import org.litesoft.core.simpletypes.*;
import org.litesoft.core.simpletypes.currency.*;
import org.litesoft.core.simpletypes.temporal.*;
import org.litesoft.core.util.*;

public abstract class AbstractCommonSupport
{
    protected static Money parseMoney( String pMoney )
    {
        return Strings.isNullOrEmpty( pMoney ) ? null : Money.fromString( Currency.US, pMoney.trim() );
    }

    protected static CalendarYMD parseDate( String pDate )
    {
        return Strings.isNullOrEmpty( pDate ) ? null : new CalendarYMD( UtilDateAdaptor.fromUtilDateJustDateToString( pDate.trim() ).getWallDate() );
    }

    protected static String parseString( String pString )
    {
        return Strings.noEmpty( pString );
    }

    protected static Integer parseInteger( String pInt )
    {
        return Strings.isNullOrEmpty( pInt ) ? null : Integer.valueOf( pInt.trim() );
    }

    protected static Boolean parseBoolean( String pBool )
    {
        return Strings.isNullOrEmpty( pBool ) ? null : Boolean.valueOf( pBool.trim() );
    }

    protected static TextLines parseTextLines( String pTextLines )
    {
        return Strings.isNullOrEmpty( pTextLines ) ? null : new TextLines( Strings.splitLines( pTextLines ) );
    }

    protected static String cursoryPasswordCheck( String pPassword, String pWhat )
    {
        pPassword = Strings.deNull( pPassword ).trim();
        if ( (4 <= pPassword.length()) && Strings.isNoSpaceAscii( pPassword ) )
        {
            return null;
        }
        return DeCamelizer.resolve( pWhat ) + " is unacceptable";
    }

    protected static String cursoryEmailCheck( String pEmail, String pWhat )
    {
        try
        {
            new EmailAddress( pEmail );
            return null;
        }
        catch ( IllegalArgumentException e )
        {
            return DeCamelizer.resolve( pWhat ) + " is unacceptable: " + e.getMessage();
        }
    }

    protected static boolean cursoryPasswordCheck( String pPassword, String pWhat, ErrorCallBack pCallBack )
    {
        return checkError( pCallBack, cursoryPasswordCheck( pPassword, pWhat ) );
    }

    protected static boolean cursoryEmailCheck( String pEmail, String pWhat, ErrorCallBack pCallBack )
    {
        return checkError( pCallBack, cursoryEmailCheck( pEmail, pWhat ) );
    }

    private static boolean checkError( ErrorCallBack pCallBack, String pError )
    {
        if ( pError == null )
        {
            return true;
        }
        pCallBack.error( pError );
        return false;
    }
}