import org.apache.struts.actions.DispatchAction; //导入依赖的package包/类
private String computePath(Class<?> type) {
    Mapping mapping = type.getAnnotation(Mapping.class);
    StringBuilder path = new StringBuilder();

    if (!mapping.module().isEmpty()) {
        path.append('/').append(mapping.module());
    }

    path.append(mapping.path()).append(".do");

    if (DispatchAction.class.isAssignableFrom(type)) {
        path.append('?').append(mapping.parameter()).append('=').append(findEntryPoint(type));
    }

    return path.toString();
}
 

import org.apache.struts.actions.DispatchAction; //导入依赖的package包/类
private String findEntryPoint(Class<?> actionClass) {
    Class<?> type = actionClass;
    while (type != DispatchAction.class) {
        for (Method method : type.getDeclaredMethods()) {
            if (method.isAnnotationPresent(EntryPoint.class)) {
                return method.getName();
            }
        }
        type = type.getSuperclass();
    }
    throw new Error("Functionality class " + actionClass + " does not have a entry point!");
}