// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.GWT.client;

import org.litesoft.commonfoundation.base.*;

public class AppNames {
    private String mAppName;
    private String mShortAllLettersClientName;

    public AppNames( String pAppName, String pShortAllLettersClientName ) {
        mAppName = Confirm.significant( "AppName", pAppName );
        validateShortName( Confirm.significant( "ShortAllLettersClientName", //
                                                pShortAllLettersClientName ) );
    }

    public AppNames( String pShortAllLettersClientAppName ) {
        validateShortName( mAppName = Confirm.significant( "ShortAllLettersClientAppName", //
                                                           pShortAllLettersClientAppName ) );
    }

    private void validateShortName( String pShortName ) {
        mShortAllLettersClientName = pShortName;
        if ( pShortName.length() > 16 ) {
            throw new IllegalArgumentException( "Too long (>16) ShortAllLettersClientName:" + pShortName );
        }
        for ( int i = 0; i < pShortName.length(); i++ ) {
            char c = pShortName.charAt( i );
            if ( !isLetter( c ) ) {
                throw new IllegalArgumentException( "Non-Letter (@" + i + ") in ShortAllLettersClientName:" + pShortName );
            }
        }
    }

    /**
     * ONLY US ASCII!!
     */
    private boolean isLetter( char pC ) {
        return (('A' <= pC) && (pC <= 'Z')) || (('a' <= pC) && (pC <= 'z'));
    }

    public String getAppName() {
        return mAppName;
    }

    public String getShortAllLettersClientName() {
        return mShortAllLettersClientName;
    }
}