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Allow to @override the cumulative ChannelBuffer creation. See #169

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This commit is contained in:
Norman Maurer 2012-01-31 20:17:09 +01:00
parent 5a91bd36c4
commit 02f49af3a1
1 changed files with 12 additions and 2 deletions
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14
codec/src/main/java/io/netty/handler/codec/frame/FrameDecoder.java
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@ -363,10 +363,20 @@ public abstract class FrameDecoder extends SimpleChannelUpstreamHandler {
private ChannelBuffer cumulation(ChannelHandlerContext ctx) {
ChannelBuffer c = cumulation;
if (c == null) {
c = ChannelBuffers.dynamicBuffer(
ctx.getChannel().getConfig().getBufferFactory());
c = createCumulationDynamicBuffer(ctx);
cumulation = c;
}
return c;
}
/**
* Create a new {@link ChannelBuffer} which is used for the cumulation. Be aware that this MUST be a dynamic buffer. Sub-classes may override this to provide a
* dynamic {@link ChannelBuffer} which has some prelocated size that better fit their need.
*
* @param ctx {@link ChannelHandlerContext} for this handler
* @return buffer the {@link ChannelBuffer} which is used for cumulation
*/
protected ChannelBuffer createCumulationDynamicBuffer(ChannelHandlerContext ctx) {
return ChannelBuffers.dynamicBuffer(ctx.getChannel().getConfig().getBufferFactory());
}
}