vertx-lang-scala-docs_2.12 3.9.0 API < Back
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# Packages

-  package root
  Definition Classes
    root
-  package io
  Definition Classes
    root
-  package vertx
  Definition Classes
    io
-  package scala
  Definition Classes
    vertx
-  package ext
  Definition Classes
    scala
-  package web
  Definition Classes
    ext
-  package client
  Definition Classes
    web
-  package predicate
  Definition Classes
    client
- ErrorConverter
- ResponsePredicate
- ResponsePredicateResult

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io.vertx.scala.ext.web.client.predicate

# ResponsePredicate 

###
Companion object ResponsePredicate

#### class ResponsePredicate extends AnyRef

A predicate on .

By default, a Vert.x Web Client request ends with an error only if something wrong happens at the network level. In other words, a `404 Not Found` response, or a response with the wrong content type, are NOT considered as failures.

io.vertx.scala.ext.web.client.predicate.ResponsePredicate can fail a request when the response does not match some criteria.

Custom predicate instances can be used with .

As a convenience, a few predicates for common uses cases are predefined. For example:

- io.vertx.scala.ext.web.client.predicate.ResponsePredicate to verify that the response has a `2xx` code, or
- io.vertx.scala.ext.web.client.predicate.ResponsePredicate to verify that the response body contains JSON data.
- ...

Predefined predicates use the default error converter (discarding the body).

However, you can create a new io.vertx.scala.ext.web.client.predicate.ResponsePredicate instance from an existing one using io.vertx.scala.ext.web.client.predicate.ResponsePredicate#create or io.vertx.scala.ext.web.client.predicate.ResponsePredicate#create when the body is required to build the validation failure.

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### Instance Constructors

1.  new ResponsePredicate(_asJava: AnyRef)

### Value Members

1.  final def !=(arg0: Any): Boolean
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2.  final def ##(): Int
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3.  final def ==(arg0: Any): Boolean
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4.  final def asInstanceOf[T0]: T0
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5.  def asJava: AnyRef
6.  def clone(): AnyRef
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7.  final def eq(arg0: AnyRef): Boolean
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8.  def equals(arg0: Any): Boolean
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9.  def errorConverter(): ErrorConverter

   returns

     the error converter currently used

10.  def finalize(): Unit
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