Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Comment: Migration of unmigrated content due to installation of a new plugin

...

The ServiceMix Validation component provides schema validation of documents using JAXP 1.3 and XMLSchema or RelaxNG.

Note
titleAvailability

Note that this component is only available in releases >= 3.3.

Installation

Installing the servicemix-validation component can be done in several ways:

  • drop the installer zip in an hotdeploy directory monitored by ServiceMix
  • using ant tasks

Note that when using ant tasks, the component is not started, you will have to start it manually using ant tasks or a console.

Creation

Maven Archetype

You can use Maven servicemix-validation-service-unit archetype to create a Validation service unit.

...

:

...

or simply use the smx-arch tool from ServiceMix's bin folder.

Endpoints

...

langxml
titleEndpoint

...

Once you've customized the service unit, simply install the SU:

...

Remember that to be deployable in ServiceMix, the ServiceUnit has to be embedded in a Service Assembly: only the Service Assembly zip file can be deployed in ServiceMix.
To add your SU in a SA, you need to define it in the dependency sets:

...

Endpoint Configuration

A Validation endpoint expects messages coming from the NMR and validate message payload using given schema.

...

The endpoint can handle all MEPs.

...

Note
titleMessage Exchange Pattern

The endpoint can handle all MEPs.

The following table shows the additional configuration possibilities of the endpoint.

...

Name

Type

Description

Default

schema

Class

javax.xml.validation.Schema

null

schemaLanguage

String

the schema language

http://www.w3.org/2001/XMLSchema

...

schemaSource

Class

javax.xml.transform.Source

null

schemaResource

String

path to schema resource

null

handlingErrorMethod

String

the error handling mode

FAULT_JBI

errorHandlerFactory

Class

org.apache.servicemix.validation.handler.MessageAwareErrorHandlerFactory

CountingErrorHandlerFactory

...

The schemaResource

The schema resource can be defined in different ways:

...

...

The errorHandlerFactory

You can specify your own error handling factory which will be used to create an error handler for the validation.

All factories have to implement the interface org.apache.servicemix.validation.handler.MessageAwareErrorHandlerFactory. This interface
describes only one method:

...

This method createMessageAwareErrorHandler() creates the error handler for validating the xml.

The MessageAwareErrorHandler is also a interface defining the methods needed for call back while validating a xml:

...

You can the configure your endpoint to use your factory and handler instead the standard ones.

Example:

...

Available factories / handlers

...

This one is just counting warnings, errors and fatal errors. Depending on the set handlingErrorMethod it will throw an exception or deliver a fault string containing a xml like this:

...

...

As you can see this factory / handler is just counting problems in the xml and delivers the result back.

...

This one captures messages from the validator and delivers them to the caller like this:

...

...

handlingErrorMethod

There are 2 modes existing:

...