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public interface Filter
Filters the request or response to a servlet. Filters will typically call the next filter in the chain, eventually reaching the servlet at the bottom.
Method Summary | |
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void |
destroy()
Cleanup the filter. |
void |
doFilter(ServletRequest request,
ServletResponse response,
FilterChain chain)
doFilter performs the actual work of a filter, either modifying the request or the response. |
void |
init(FilterConfig filterConfig)
Initialize the filter. |
Method Detail |
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void init(FilterConfig filterConfig) throws ServletException
ServletException
void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws ServletException, java.io.IOException
request
- the servlet requestresponse
- the servlet responsechain
- the next filter in the chain
ServletException
java.io.IOException
void destroy()
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