net.shibboleth.utilities.java.support.net

Class DynamicResponseHeaderFilter

java.lang.Object

net.shibboleth.utilities.java.support.net.DynamicResponseHeaderFilter

All Implemented Interfaces:

javax.servlet.Filter

public class DynamicResponseHeaderFilter
extends Object
implements javax.servlet.Filter

Implementation of an HTTP servlet Filter which supports configurable response header injection, including via injected functions that can conditionally attach headers.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	DynamicResponseHeaderFilter.ResponseProxy An implementation of HttpServletResponse which adds the response headers supplied by the outer class.

Field Summary

Fields

Modifier and Type	Field and Description
private Collection<com.google.common.base.Function<Pair<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>,Boolean>>	callbacks Callbacks to add headers dynamically.
private Map<String,String>	headers Statically defined headers to return.

Constructor Summary

Constructors

Constructor and Description
DynamicResponseHeaderFilter() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig filterConfig)
void	setCallbacks(Collection<com.google.common.base.Function<Pair<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>,Boolean>> theCallbacks) Set the callbacks to invoke to dynamically attach headers.
void	setHeaders(Map<String,String> map) Set the headers to statically attach to all responses.

Methods inherited from class java.lang.Object

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

Field Detail

headers

@Nonnull
@NonnullElements
private Map<String,String> headers

Statically defined headers to return.

callbacks

@Nonnull
@NonnullElements
private Collection<com.google.common.base.Function<Pair<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>,Boolean>> callbacks

Callbacks to add headers dynamically.

Constructor Detail

DynamicResponseHeaderFilter

public DynamicResponseHeaderFilter()

Constructor.

Method Detail

setHeaders

public void setHeaders(@Nullable@NonnullElements
              Map<String,String> map)

Set the headers to statically attach to all responses.

Parameters:

map - header map

setCallbacks

public void setCallbacks(@Nullable@NonnullElements
                Collection<com.google.common.base.Function<Pair<javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse>,Boolean>> theCallbacks)

Set the callbacks to invoke to dynamically attach headers.

Parameters:

theCallbacks - callback collection

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter

doFilter

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

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException