org.apache.druid.server.initialization.jetty

Class StandardResponseHeaderFilterHolder

java.lang.Object

org.apache.druid.server.initialization.jetty.StandardResponseHeaderFilterHolder

All Implemented Interfaces:

ServletFilterHolder

public class StandardResponseHeaderFilterHolder
extends Object
implements ServletFilterHolder

Adds response headers that we want to have on all responses.

Constructor Summary

Constructors

Constructor and Description
StandardResponseHeaderFilterHolder(ServerConfig serverConfig)

Method Summary

Modifier and Type	Method and Description
static void	deduplicateHeadersInProxyServlet(javax.servlet.http.HttpServletResponse proxyResponse, org.eclipse.jetty.client.api.Response serverResponse) Remove any standard headers in proxyResponse if they were also set in the origin response, serverResponse.
EnumSet<javax.servlet.DispatcherType>	getDispatcherType() The dispatcher type that this Filter should apply to
javax.servlet.Filter	getFilter() Get the Filter object that should be added to the servlet.
Class<? extends javax.servlet.Filter>	getFilterClass() Get the class of the Filter object that should be added to the servlet.
Map<String,String>	getInitParameters() Get Filter initialization parameters.
String	getPath() This method is deprecated, please implement ServletFilterHolder.getPaths().

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.server.initialization.jetty.ServletFilterHolder

getPaths

Constructor Detail

StandardResponseHeaderFilterHolder

@Inject
public StandardResponseHeaderFilterHolder(ServerConfig serverConfig)

Method Detail

deduplicateHeadersInProxyServlet

public static void deduplicateHeadersInProxyServlet(javax.servlet.http.HttpServletResponse proxyResponse,
                                                    org.eclipse.jetty.client.api.Response serverResponse)

Remove any standard headers in proxyResponse if they were also set in the origin response, serverResponse. This prevents duplicates headers from appearing in proxy responses. Used by implementations of AsyncProxyServlet.

getFilter

public javax.servlet.Filter getFilter()

Description copied from interface: ServletFilterHolder

Get the Filter object that should be added to the servlet. This method is considered "mutually exclusive" from the getFilterClass method. That is, one of them should return null and the other should return an actual value.

Specified by:

getFilter in interface ServletFilterHolder

Returns:

The Filter object to be added to the servlet

getFilterClass

public Class<? extends javax.servlet.Filter> getFilterClass()

Description copied from interface: ServletFilterHolder

Get the class of the Filter object that should be added to the servlet. This method is considered "mutually exclusive" from the getFilter method. That is, one of them should return null and the other should return an actual value.

Specified by:

getFilterClass in interface ServletFilterHolder

Returns:

The class of the Filter object to be added to the servlet

getInitParameters

public Map<String,String> getInitParameters()

Description copied from interface: ServletFilterHolder

Get Filter initialization parameters.

Specified by:

getInitParameters in interface ServletFilterHolder

Returns:

a map containing all the Filter initialization parameters

getPath

public String getPath()

Description copied from interface: ServletFilterHolder

This method is deprecated, please implement ServletFilterHolder.getPaths(). The path that this Filter should apply to

Specified by:

getPath in interface ServletFilterHolder

Returns:

the path that this Filter should apply to

getDispatcherType

@Nullable
public EnumSet<javax.servlet.DispatcherType> getDispatcherType()

Description copied from interface: ServletFilterHolder

The dispatcher type that this Filter should apply to

Specified by:

getDispatcherType in interface ServletFilterHolder

Returns:

the enumeration of DispatcherTypes that this Filter should apply to