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add 'context.StopWithStatus, StopWithJSON, StopWithProblem' and update the json-struct-validation example

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Former-commit-id: dd0347f22324ef4913be284082b8afc6229206a8
This commit is contained in:
Gerasimos (Makis) Maropoulos
2020-04-10 06:04:46 +03:00
parent ad154ea479
commit 978718454a
4 changed files with 129 additions and 51 deletions
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72
context/context.go
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@@ -249,12 +249,32 @@ type Context interface {
// Skip skips/ignores the next handler from the handlers chain,
// it should be used inside a middleware.
Skip()
// StopExecution if called then the following .Next calls are ignored,
// StopExecution stops the handlers chain of this request.
// Meaning that any following `Next` calls are ignored,
// as a result the next handlers in the chain will not be fire.
StopExecution()
// IsStopped checks and returns true if the current position of the Context is 255,
// means that the StopExecution() was called.
// IsStopped reports whether the current position of the context's handlers is -1,
// means that the StopExecution() was called at least once.
IsStopped() bool
// StopWithJSON stops the handlers chain and writes the "statusCode".
//
// If the status code is a failure one then
// it will also fire the specified error code handler.
StopWithStatus(statusCode int)
// StopWithJSON stops the handlers chain, writes the status code
// and sends a JSON response.
//
// If the status code is a failure one then
// it will also fire the specified error code handler.
StopWithJSON(statusCode int, jsonObject interface{})
// StopWithProblem stops the handlers chain, writes the status code
// and sends an application/problem+json response.
// See `iris.NewProblem` to build a "problem" value correctly.
//
// If the status code is a failure one then
// it will also fire the specified error code handler.
StopWithProblem(statusCode int, problem Problem)
// OnConnectionClose registers the "cb" function which will fire (on its own goroutine, no need to be registered goroutine by the end-dev)
// when the underlying connection has gone away.
//
@@ -1452,18 +1472,50 @@ func (ctx *context) Skip() {
const stopExecutionIndex = -1 // I don't set to a max value because we want to be able to reuse the handlers even if stopped with .Skip
// StopExecution if called then the following .Next calls are ignored,
// StopExecution stops the handlers chain of this request.
// Meaning that any following `Next` calls are ignored,
// as a result the next handlers in the chain will not be fire.
func (ctx *context) StopExecution() {
ctx.currentHandlerIndex = stopExecutionIndex
}
// IsStopped checks and returns true if the current position of the context is -1,
// means that the StopExecution() was called.
// IsStopped reports whether the current position of the context's handlers is -1,
// means that the StopExecution() was called at least once.
func (ctx *context) IsStopped() bool {
return ctx.currentHandlerIndex == stopExecutionIndex
}
// StopWithJSON stops the handlers chain and writes the "statusCode".
//
// If the status code is a failure one then
// it will also fire the specified error code handler.
func (ctx *context) StopWithStatus(statusCode int) {
ctx.StopExecution()
ctx.StatusCode(statusCode)
}
// StopWithJSON stops the handlers chain, writes the status code
// and sends a JSON response.
//
// If the status code is a failure one then
// it will also fire the specified error code handler.
func (ctx *context) StopWithJSON(statusCode int, jsonObject interface{}) {
ctx.StopWithStatus(statusCode)
ctx.JSON(jsonObject)
}
// StopWithProblem stops the handlers chain, writes the status code
// and sends an application/problem+json response.
// See `iris.NewProblem` to build a "problem" value correctly.
//
// If the status code is a failure one then
// it will also fire the specified error code handler.
func (ctx *context) StopWithProblem(statusCode int, problem Problem) {
ctx.StopWithStatus(statusCode)
problem.Status(statusCode)
ctx.Problem(problem)
}
// OnConnectionClose registers the "cb" function which will fire (on its own goroutine, no need to be registered goroutine by the end-dev)
// when the underlying connection has gone away.
//
@@ -3641,7 +3693,13 @@ func (ctx *context) Problem(v interface{}, opts ...ProblemOptions) (int, error)
// }
p.updateURIsToAbs(ctx)
code, _ := p.getStatus()
ctx.StatusCode(code)
if code == 0 { // get the current status code and set it to the problem.
code = ctx.GetStatusCode()
ctx.StatusCode(code)
} else {
// send the problem's status code
ctx.StatusCode(code)
}
if options.RenderXML {
ctx.contentTypeOnce(ContentXMLProblemHeaderValue, "")