Package org.elasticsearch.http.netty4.cors

Class Netty4CorsHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.channel.ChannelDuplexHandler

org.elasticsearch.http.netty4.cors.Netty4CorsHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler, io.netty.channel.ChannelOutboundHandler

public class Netty4CorsHandler
extends io.netty.channel.ChannelDuplexHandler

Handles Cross Origin Resource Sharing (CORS) requests.

This handler can be configured using a Netty4CorsConfig, please refer to this class for details about the configuration options available. This code was borrowed from Netty 4 and refactored to work for Elasticsearch's Netty 3 setup.

Nested Class Summary

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	ANY_ORIGIN

Constructor Summary

Constructors

Constructor	Description
Netty4CorsHandler(Netty4CorsConfig config)	Creates a new instance with the specified Netty4CorsConfig.

Method Summary

Modifier and Type	Method	Description
void	channelRead(io.netty.channel.ChannelHandlerContext ctx, java.lang.Object msg)
static void	setCorsResponseHeaders(io.netty.handler.codec.http.HttpRequest request, io.netty.handler.codec.http.HttpResponse resp, Netty4CorsConfig config)
void	write(io.netty.channel.ChannelHandlerContext ctx, java.lang.Object msg, io.netty.channel.ChannelPromise promise)

Methods inherited from class io.netty.channel.ChannelDuplexHandler

bind, close, connect, deregister, disconnect, flush, read

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Field Detail

ANY_ORIGIN

public static final java.lang.String ANY_ORIGIN

See Also:

Constant Field Values

Constructor Detail

Netty4CorsHandler

public Netty4CorsHandler(Netty4CorsConfig config)

Creates a new instance with the specified Netty4CorsConfig.

Method Detail

channelRead

public void channelRead(io.netty.channel.ChannelHandlerContext ctx,
                        java.lang.Object msg)
                 throws java.lang.Exception

Specified by:

channelRead in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelRead in class io.netty.channel.ChannelInboundHandlerAdapter

Throws:

java.lang.Exception

write

public void write(io.netty.channel.ChannelHandlerContext ctx,
                  java.lang.Object msg,
                  io.netty.channel.ChannelPromise promise)
           throws java.lang.Exception

Specified by:

write in interface io.netty.channel.ChannelOutboundHandler

Overrides:

write in class io.netty.channel.ChannelDuplexHandler

Throws:

java.lang.Exception

setCorsResponseHeaders

public static void setCorsResponseHeaders(io.netty.handler.codec.http.HttpRequest request,
                                          io.netty.handler.codec.http.HttpResponse resp,
                                          Netty4CorsConfig config)