com.amazonaws.serverless.proxy.internal.servlet

Class FilterChainHolder

java.lang.Object

com.amazonaws.serverless.proxy.internal.servlet.FilterChainHolder

All Implemented Interfaces:

javax.servlet.FilterChain

public class FilterChainHolder
extends java.lang.Object
implements javax.servlet.FilterChain

Implementation of the FilterChain interface. FilterChainHolder objects should be accessed through the FilterChainManager. Once a filter chain is loaded, use the doFilter emthod to run the chain during a request lifecycle

Constructor Summary

Constructors

Constructor and Description
FilterChainHolder() Creates a new empty FilterChainHolder
FilterChainHolder(java.util.List<FilterHolder> allFilters) Creates a new instance of a filter chain holder

Method Summary

Modifier and Type	Method and Description
void	addFilter(FilterHolder newFilter) Add a filter to the chain.
void	doFilter(javax.servlet.ServletRequest servletRequest, javax.servlet.ServletResponse servletResponse)
int	filterCount() Returns the number of filters loaded in the chain holder
FilterHolder	getFilter(int idx) Get the FilterHolder object from the chain at the given index.

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterChainHolder

public FilterChainHolder()

Creates a new empty FilterChainHolder

FilterChainHolder

public FilterChainHolder(java.util.List<FilterHolder> allFilters)

Creates a new instance of a filter chain holder

Parameters:

allFilters - A populated list of FilterHolder objects

Method Detail

doFilter

public void doFilter(javax.servlet.ServletRequest servletRequest,
                     javax.servlet.ServletResponse servletResponse)
              throws java.io.IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.FilterChain

Throws:

java.io.IOException

javax.servlet.ServletException

addFilter

public void addFilter(FilterHolder newFilter)

Add a filter to the chain.

Parameters:

newFilter - The filter to be added at the end of the chain

filterCount

public int filterCount()

Returns the number of filters loaded in the chain holder

Returns:

The number of filters in the chain holder. If the filter chain is null then this will return 0

getFilter

public FilterHolder getFilter(int idx)

Get the FilterHolder object from the chain at the given index.

Parameters:

idx - The index in the chain. Use the filterCount method to get the filter count

Returns:

A populated FilterHolder object