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Ensure ChannelInboundMessageHandlerAdapter.endMessageReceived() is always called after handling the inbound message queue. / Call fireInboundBufferUpdated() automatically if the next inbound message buffer was changed.

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This commit is contained in:
Trustin Lee 2013-02-08 13:03:45 +09:00
parent 9319e3ebd0
commit ac72c3512e
1 changed files with 12 additions and 12 deletions
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24
transport/src/main/java/io/netty/channel/ChannelInboundMessageHandlerAdapter.java
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@ -69,30 +69,30 @@ public abstract class ChannelInboundMessageHandlerAdapter<I>
return;
}
boolean unsupportedFound = false;
MessageBuf<I> in = ctx.inboundMessageBuffer();
MessageBuf<Object> out = ctx.nextInboundMessageBuffer();
int oldOutSize = out.size();
try {
MessageBuf<I> in = ctx.inboundMessageBuffer();
MessageBuf<Object> out = null;
boolean unsupportedFound = false;
for (;;) {
Object msg = in.poll();
if (msg == null) {
break;
}
try {
if (!isSupported(msg)) {
if (out == null) {
out = ctx.nextInboundMessageBuffer();
}
out.add(msg);
unsupportedFound = true;
continue;
}
if (unsupportedFound) {
// the last message were unsupported, but now we received one that is supported.
// So reset the flag and notify the next context
unsupportedFound = false;
ctx.fireInboundBufferUpdated();
oldOutSize = out.size();
}
@SuppressWarnings("unchecked")
@ -107,12 +107,12 @@ public abstract class ChannelInboundMessageHandlerAdapter<I>
}
}
} finally {
if (unsupportedFound) {
if (oldOutSize != out.size()) {
ctx.fireInboundBufferUpdated();
}
}
endMessageReceived(ctx);
endMessageReceived(ctx);
}
}
/**
@ -132,8 +132,9 @@ public abstract class ChannelInboundMessageHandlerAdapter<I>
*
* This will return {@code true} by default, and may get overriden by sub-classes for
* special handling.
*
* @param ctx the {@link ChannelHandlerContext} which this {@link ChannelHandler} belongs to
*/
@SuppressWarnings("unused")
protected boolean beginMessageReceived(ChannelHandlerContext ctx) throws Exception {
return true;
}
@ -155,7 +156,6 @@ public abstract class ChannelInboundMessageHandlerAdapter<I>
* @param ctx the {@link ChannelHandlerContext} which this {@link ChannelHandler} belongs to
* @throws Exception thrown when an error accour
*/
@SuppressWarnings("unused")
protected void endMessageReceived(ChannelHandlerContext ctx) throws Exception {
// NOOP
}