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public interface Filter
A filter is an object that performs filtering task on a request to
Extendlet
.
Method Summary | |
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void |
doFilter(javax.servlet.http.HttpServletRequest request,
javax.servlet.http.HttpServletResponse response,
java.lang.String pi,
FilterChain chain)
Causes the next filter in the chain to be invoked, or if the calling filter is the last filter in the chain, causes the resource at the end of the chain to be invoked. |
void |
init(FilterConfig config)
Initializes the resource processor. |
Method Detail |
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void init(FilterConfig config)
void doFilter(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, java.lang.String pi, FilterChain chain) throws javax.servlet.ServletException, java.io.IOException
request
- the request (never null).response
- the response (never null).pi
- the path info that the request is targeting.
javax.servlet.ServletException
java.io.IOException
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