public ActionMapper()

in commons-transfer/commons-transfer-interactive/src/main/java/org/apache/archiva/commons/transfer/interactive/swing/ActionMapper.java [57:121]
56 lines of code
12 McCabe index (conditional complexity)

    public ActionMapper( Object commandObj )
    {
        log.debug( "Finding action methods for " + commandObj.getClass().getName() );
        commandMap = new HashMap<String, Method>();
        commandObject = commandObj;

        Pattern namePat = Pattern.compile( "do[A-Z][a-z].*" );
        Method methods[] = commandObject.getClass().getMethods();
        for ( Method method : methods )
        {
            int modifiers = method.getModifiers();
            String name = method.getName();
            Object params[] = method.getParameterTypes();

            Matcher mat = namePat.matcher( name );
            if ( !mat.matches() )
            {
                // log.debug( "Method " + name + " not an application command."
                // );
                continue;
            }

            if ( !Modifier.isPublic( modifiers ) || Modifier.isAbstract( modifiers ) || Modifier.isNative( modifiers )
                || Modifier.isStatic( modifiers ) )
            {
                log.debug( "Method " + name + " is has wrong modifiers." );
                continue;
            }

            if ( ( params == null ) || ( params.length < 1 ) || ( params.length > 1 ) )
            {
                log.debug( "Method " + name + " has wrong number of parameters." );
                continue;
            }

            Object param = params[0];

            if ( param instanceof ActionEvent )
            {
                String commandName = name.substring( 2 ).toLowerCase();
                commandMap.put( commandName, method );
            }
            else if ( param instanceof Class )
            {
                Class<?> pclass = (Class<?>) param;
                if ( pclass.isAssignableFrom( ActionEvent.class ) )
                {
                    String commandName = name.substring( 2 ).toLowerCase();
                    commandMap.put( commandName, method );
                }
                else
                {
                    log.warn( "Method " + name + " has wrong parameter type class.  Expected "
                        + ActionEvent.class.getName() + " but found " + pclass.getName() + " instead." );
                }
            }
            else
            {
                log.warn( "Method " + name + " has wrong parameter type.  Expected " + ActionEvent.class.getName()
                    + " but found " + param.getClass().getName() + " instead." );
            }
        }

        log.debug( "Done with ActionMapper()" );
    }