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

import org.litesoft.commonfoundation.base.*;
import org.litesoft.commonfoundation.typeutils.*;

public class HierarchicalData {
    public static String validateName( String pWhatTypeName, String pName ) {
        String name = ConstrainTo.notNull( pName ).trim();
        if ( name.length() != 0 ) {
            if ( Characters.isAlpha( name.charAt( 0 ) ) ) {
                boolean ok = true;
                for ( int i = 1; ok && (i < name.length()); i++ ) {
                    char c = name.charAt( i );
                    ok = (c == '.') || (c == '_') || Characters.isAlphaNumeric( c );
                }
                if ( ok ) {
                    return name;
                }
            }
        }
        throw new IllegalArgumentException( "Unacceptable " + pWhatTypeName + " of '" + pName + "'" );
    }
}