ApplicationFilterFactory.java 文件源码

/**
 * Convenience method which returns true if  the dispatcher type
 * matches the dispatcher types specified in the FilterMap
 */
private boolean matchDispatcher(FilterMap filterMap, DispatcherType type) {
    switch (type) {
        case FORWARD : {
            if ((filterMap.getDispatcherMapping() & FilterMap.FORWARD) > 0) {
                    return true;
            }
            break;
        }
        case INCLUDE : {
            if ((filterMap.getDispatcherMapping() & FilterMap.INCLUDE) > 0) {
                return true;
            }
            break;
        }
        case REQUEST : {
            if ((filterMap.getDispatcherMapping() & FilterMap.REQUEST) > 0) {
                return true;
            }
            break;
        }
        case ERROR : {
            if ((filterMap.getDispatcherMapping() & FilterMap.ERROR) > 0) {
                return true;
            }
            break;
        }
        case ASYNC : {
            if ((filterMap.getDispatcherMapping() & FilterMap.ASYNC) > 0) {
                return true;
            }
            break;
        }
    }
    return false;
}