程序包 cn.taketoday.web.servlet

类 CompositeFilter

java.lang.Object

cn.taketoday.web.servlet.CompositeFilter

所有已实现的接口:

Filter

public class CompositeFilter
extends Object
implements Filter

A generic composite servlet Filter that just delegates its behavior to a chain (list) of user-supplied filters, achieving the functionality of a FilterChain, but conveniently using only Filter instances.

从以下版本开始:

4.0

作者:

Dave Syer, TODAY 2021/9/11 18:47

嵌套类概要

嵌套类

修饰符和类型	类	说明
private static class	CompositeFilter.VirtualFilterChain

字段概要

字段

修饰符和类型	字段	说明
private ArrayList<? extends Filter>	filters

构造器概要

构造器

构造器	说明
CompositeFilter()

方法概要

修饰符和类型	方法	说明
void	destroy()	Clean up all the filters supplied, calling each one's destroy method in turn, but in reverse order.
void	doFilter(ServletRequest request, ServletResponse response, FilterChain chain)	Forms a temporary chain from the list of delegate filters supplied (setFilters(java.util.List<? extends jakarta.servlet.Filter>)) and executes them in order.
void	init(FilterConfig config)	Initialize all the filters, calling each one's init method in turn in the order supplied.
void	setFilters(List<? extends Filter> filters)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

filters

private ArrayList<? extends Filter> filters

构造器详细资料

CompositeFilter

public CompositeFilter()

方法详细资料

setFilters

public void setFilters(List<? extends Filter> filters)

init

public void init(FilterConfig config)
          throws ServletException

Initialize all the filters, calling each one's init method in turn in the order supplied.

指定者:

init 在接口中 Filter

抛出:

ServletException

另请参阅:

• Filter.init(FilterConfig)

doFilter

public void doFilter(ServletRequest request,
 ServletResponse response,
 FilterChain chain)
              throws IOException,
ServletException

Forms a temporary chain from the list of delegate filters supplied (setFilters(java.util.List<? extends jakarta.servlet.Filter>)) and executes them in order. Each filter delegates to the next one in the list, achieving the normal behavior of a FilterChain, despite the fact that this is a Filter.

指定者:

doFilter 在接口中 Filter

抛出:

IOException

ServletException

另请参阅:

• Filter.doFilter(ServletRequest, ServletResponse, FilterChain)

destroy

public void destroy()

Clean up all the filters supplied, calling each one's destroy method in turn, but in reverse order.

指定者:

destroy 在接口中 Filter

另请参阅:

• Filter.init(FilterConfig)