Package io.netty.handler.codec.http.cors
Class CorsHandler
- java.lang.Object
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- io.netty.channel.ChannelHandlerAdapter
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- io.netty.channel.ChannelInboundHandlerAdapter
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- io.netty.channel.ChannelDuplexHandler
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- io.netty.handler.codec.http.cors.CorsHandler
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- All Implemented Interfaces:
ChannelHandler
,ChannelInboundHandler
,ChannelOutboundHandler
public class CorsHandler extends ChannelDuplexHandler
Handles Cross Origin Resource Sharing (CORS) requests.This handler can be configured using one or more
CorsConfig
, please refer to this class for details about the configuration options available.
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Nested Class Summary
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Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler
ChannelHandler.Sharable
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Constructor Summary
Constructors Constructor Description CorsHandler(CorsConfig config)
Creates a new instance with a singleCorsConfig
.CorsHandler(java.util.List<CorsConfig> configList, boolean isShortCircuit)
Creates a new instance with the specified config list.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
channelRead(ChannelHandlerContext ctx, java.lang.Object msg)
CallsChannelHandlerContext.fireChannelRead(Object)
to forward to the nextChannelInboundHandler
in theChannelPipeline
.void
write(ChannelHandlerContext ctx, java.lang.Object msg, ChannelPromise promise)
CallsChannelOutboundInvoker.write(Object, ChannelPromise)
to forward to the nextChannelOutboundHandler
in theChannelPipeline
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Methods inherited from class io.netty.channel.ChannelDuplexHandler
bind, close, connect, deregister, disconnect, flush, read
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Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter
channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered
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Methods inherited from class io.netty.channel.ChannelHandlerAdapter
ensureNotSharable, handlerAdded, handlerRemoved, isSharable
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface io.netty.channel.ChannelHandler
handlerAdded, handlerRemoved
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Constructor Detail
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CorsHandler
public CorsHandler(CorsConfig config)
Creates a new instance with a singleCorsConfig
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CorsHandler
public CorsHandler(java.util.List<CorsConfig> configList, boolean isShortCircuit)
Creates a new instance with the specified config list. If more than one config matches a certain origin, the first in the List will be used.- Parameters:
configList
- List ofCorsConfig
isShortCircuit
- Same asCorsConfig.isShortCircuit()
but applicable to all supplied configs.
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Method Detail
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channelRead
public void channelRead(ChannelHandlerContext ctx, java.lang.Object msg) throws java.lang.Exception
Description copied from class:ChannelInboundHandlerAdapter
CallsChannelHandlerContext.fireChannelRead(Object)
to forward to the nextChannelInboundHandler
in theChannelPipeline
. Sub-classes may override this method to change behavior.- Specified by:
channelRead
in interfaceChannelInboundHandler
- Overrides:
channelRead
in classChannelInboundHandlerAdapter
- Throws:
java.lang.Exception
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write
public void write(ChannelHandlerContext ctx, java.lang.Object msg, ChannelPromise promise) throws java.lang.Exception
Description copied from class:ChannelDuplexHandler
CallsChannelOutboundInvoker.write(Object, ChannelPromise)
to forward to the nextChannelOutboundHandler
in theChannelPipeline
. Sub-classes may override this method to change behavior.- Specified by:
write
in interfaceChannelOutboundHandler
- Overrides:
write
in classChannelDuplexHandler
- Parameters:
ctx
- theChannelHandlerContext
for which the write operation is mademsg
- the message to writepromise
- theChannelPromise
to notify once the operation completes- Throws:
java.lang.Exception
- thrown if an error occurs
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