private static void readAttributeValue()

in plugins/openldap.config.editor/src/main/java/org/apache/directory/studio/openldap/config/model/io/ConfigurationReader.java [717:870]
134 lines of code
30 McCabe index (conditional complexity)

    private static void readAttributeValue( Object bean, Field field, Attribute attribute, Value value )
        throws ConfigurationException
    {
        Class<?> type = field.getType();
        String addMethodName = "add" + Character.toUpperCase( field.getName().charAt( 0 ) )
            + field.getName().substring( 1 );
        String valueStr = value.getString();

        try
        {
            // String class
            if ( type == String.class )
            {
                Object stringValue = readSingleValue( type, attribute, valueStr );
                if ( stringValue != null )
                {
                    field.set( bean, stringValue );
                }
            }
            // Int primitive type
            else if ( type == int.class )
            {
                Object integerValue = readSingleValue( type, attribute, valueStr );
                if ( integerValue != null )
                {
                    field.setInt( bean, ( ( Integer ) integerValue ).intValue() );
                }
            }
            // Integer class
            else if ( type == Integer.class )
            {
                Object integerValue = readSingleValue( type, attribute, valueStr );
                if ( integerValue != null )
                {
                    field.set( bean, ( Integer ) integerValue );
                }
            }
            // Long primitive type
            else if ( type == long.class )
            {
                Object longValue = readSingleValue( type, attribute, valueStr );
                if ( longValue != null )
                {
                    field.setLong( bean, ( ( Long ) longValue ).longValue() );
                }
            }
            // Long class
            else if ( type == Long.class )
            {
                Object longValue = readSingleValue( type, attribute, valueStr );
                if ( longValue != null )
                {
                    field.setLong( bean, ( Long ) longValue );
                }
            }
            // Boolean primitive type
            else if ( type == boolean.class )
            {
                Object booleanValue = readSingleValue( type, attribute, valueStr );
                if ( booleanValue != null )
                {
                    field.setBoolean( bean, ( ( Boolean ) booleanValue ).booleanValue() );
                }
            }
            // Boolean class
            else if ( type == Boolean.class )
            {
                Object booleanValue = readSingleValue( type, attribute, valueStr );
                if ( booleanValue != null )
                {
                    field.set( bean, ( Boolean ) booleanValue );
                }
            }
            // Dn class
            else if ( type == Dn.class )
            {
                Object dnValue = readSingleValue( type, attribute, valueStr );
                if ( dnValue != null )
                {
                    field.set( bean, dnValue );
                }
            }
            // Set class
            else if ( type == Set.class )
            {
                Type genericFieldType = field.getGenericType();

                if ( genericFieldType instanceof ParameterizedType )
                {
                    ParameterizedType parameterizedType = ( ParameterizedType ) genericFieldType;
                    Type[] fieldArgTypes = parameterizedType.getActualTypeArguments();
                    if ( ( fieldArgTypes != null ) && ( fieldArgTypes.length > 0 ) )
                    {
                        Class<?> fieldArgClass = ( Class<?> ) fieldArgTypes[0];

                        Object methodParameter = Array.newInstance( fieldArgClass, 1 );
                        Array.set( methodParameter, 0, readSingleValue( fieldArgClass, attribute, valueStr ) );

                        Method method = bean.getClass().getMethod( addMethodName, methodParameter.getClass() );

                        method.invoke( bean, methodParameter );
                    }
                }
            }
            // List class
            else if ( type == List.class )
            {
                Type genericFieldType = field.getGenericType();

                if ( genericFieldType instanceof ParameterizedType )
                {
                    ParameterizedType parameterizedType = ( ParameterizedType ) genericFieldType;
                    Type[] fieldArgTypes = parameterizedType.getActualTypeArguments();
                    if ( ( fieldArgTypes != null ) && ( fieldArgTypes.length > 0 ) )
                    {
                        Class<?> fieldArgClass = ( Class<?> ) fieldArgTypes[0];

                        Object methodParameter = Array.newInstance( fieldArgClass, 1 );
                        Array.set( methodParameter, 0, readSingleValue( fieldArgClass, attribute, valueStr ) );

                        Method method = bean.getClass().getMethod( addMethodName, methodParameter.getClass() );

                        method.invoke( bean, methodParameter );
                    }
                }
            }
        }
        catch ( IllegalArgumentException | IllegalAccessException iae )
        {
            throw new ConfigurationException( "Cannot store '" + valueStr + "' into attribute "
                + attribute.getId() );
        }
        catch ( SecurityException se )
        {
            throw new ConfigurationException( "Cannot access to the class "
                + bean.getClass().getName() );
        }
        catch ( NoSuchMethodException nsme )
        {
            throw new ConfigurationException( "Cannot find a method " + addMethodName
                + " in the class "
                + bean.getClass().getName() );
        }
        catch ( InvocationTargetException ite )
        {
            throw new ConfigurationException( "Cannot invoke the class "
                + bean.getClass().getName() + ", "
                + ite.getMessage() );
        }
        catch ( NegativeArraySizeException nase )
        {
            // No way that can happen...
        }
    }