Package 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	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	Description
private Collection<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	Description
DynamicResponseHeaderFilter()	Constructor.

Method Summary

Modifier and Type	Method	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<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 Details

headers

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

Statically defined headers to return.

callbacks

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

Callbacks to add headers dynamically.

Constructor Details

DynamicResponseHeaderFilter

public DynamicResponseHeaderFilter()

Constructor.

Method Details

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<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