private void replace0(
DefaultChannelHandlerContext ctx,
String newName,
DefaultChannelHandlerContext newCtx,
boolean forward) {
boolean sameName = ctx.name().equals(newName);
DefaultChannelHandlerContext prev = ctx.prev;
DefaultChannelHandlerContext next = ctx.next;
newCtx.prev = prev;
newCtx.next = next;
callBeforeRemove(ctx);
callBeforeAdd(newCtx);
prev.next = newCtx;
next.prev = newCtx;
if (!sameName) {
name2ctx.remove(ctx.name());
}
name2ctx.put(newName, newCtx);
ChannelPipelineException removeException = null;
ChannelPipelineException addException = null;
boolean removed = false;
try {
callAfterRemove(ctx, forward);
removed = true;
} catch (ChannelPipelineException e) {
removeException = e;
}
boolean added = false;
try {
callAfterAdd(newCtx);
added = true;
} catch (ChannelPipelineException e) {
addException = e;
}
if (!removed && !added) {
logger.warn(removeException.getMessage(), removeException);
logger.warn(addException.getMessage(), addException);
throw new ChannelPipelineException(
"Both "
+ ctx.handler().getClass().getName()
+ ".afterRemove() and "
+ newCtx.handler().getClass().getName()
+ ".afterAdd() failed; see logs.");
} else if (!removed) {
throw removeException;
} else if (!added) {
throw addException;
}
}
private void remove0(DefaultChannelHandlerContext ctx, boolean forward) {
callBeforeRemove(ctx);
DefaultChannelHandlerContext prev = ctx.prev;
DefaultChannelHandlerContext next = ctx.next;
prev.next = next;
next.prev = prev;
name2ctx.remove(ctx.name());
callAfterRemove(ctx, forward);
}
