Package nl.vpro.web.filter
Class ExpireHeadersFilter
- java.lang.Object
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- nl.vpro.web.filter.ExpireHeadersFilter
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- All Implemented Interfaces:
javax.servlet.Filter
public class ExpireHeadersFilter extends Object implements javax.servlet.Filter
A filter that can add expire and cache controll headers to responses if there are missing. (default to 5 minutes)
For more information about these headers: https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
- Author:
- Rob Vermeulen (VPRO)
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Field Summary
Fields Modifier and Type Field Description static String
HEADER_CACHE_CONTROL
static String
HEADER_EXPIRES
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Constructor Summary
Constructors Constructor Description ExpireHeadersFilter()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res, javax.servlet.FilterChain chain)
void
init(javax.servlet.FilterConfig filterConfig)
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Field Detail
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HEADER_EXPIRES
public static final String HEADER_EXPIRES
- See Also:
- Constant Field Values
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HEADER_CACHE_CONTROL
public static final String HEADER_CACHE_CONTROL
- See Also:
- Constant Field Values
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Method Detail
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init
public void init(javax.servlet.FilterConfig filterConfig)
- Specified by:
init
in interfacejavax.servlet.Filter
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doFilter
public void doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res, javax.servlet.FilterChain chain) throws IOException, javax.servlet.ServletException
- Specified by:
doFilter
in interfacejavax.servlet.Filter
- Throws:
IOException
javax.servlet.ServletException
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