THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Bean
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Validation
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Component
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Available
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as
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of
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Camel
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2.3
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The
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Validation
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component
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performs
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bean
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validation
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of
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the
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message
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body
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using
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the
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Java
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Bean
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Validation
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API
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(
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...
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).
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Camel
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uses
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the
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reference
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implementation,
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which
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is
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Maven users will need to add the following dependency to their pom.xml for this component:
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|http://docs.jboss.org/hibernate/validator/4.3/reference/en-US/html_single/].
Maven users will need to add the following dependency to their {{pom.xml}} for this component:
{code:xml}
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-bean-validator</artifactId>
<version>x.x.x</version>
<!-- use the same version as your Camel core version -->
</dependency>
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URI format
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{code} h3. URI format {code} bean-validator:something[?options] {code} or {code |
or
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} bean-validator://something[?options] {code} Where *something* must be present to provide a valid url You can append query options to the URI in the following format, |
Where something must be present to provide a valid url
You can append query options to the URI in the following format, ?option=value&option=value&...
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URI Options
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Options {div:class=confluenceTableSmall} || Option || Default || Description || | {{group}} | {{javax.validation.groups.Default}} | The custom validation group to use. | | {{messageInterpolator}} | {{org.hibernate.validator.engine.\\ResourceBundleMessageInterpolator}} | Reference to a custom {{javax.validation.MessageInterpolator}} in the [Registry]. | | {{traversableResolver}} | {{org.hibernate.validator.engine.resolver.\\DefaultTraversableResolver}} | Reference to a custom {{javax.validation.TraversableResolver}} in the [Registry]. | | {{constraintValidatorFactory}} | {{org.hibernate.validator.engine.\\ConstraintValidatorFactoryImpl}} | Reference to a custom {{javax.validation.ConstraintValidatorFactory}} in the [Registry]. | {div} h3. |
ServiceMix4/OSGi
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Deployment.
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The
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bean-validator
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when
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deployed
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in
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an
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OSGi
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environment
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requires
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a
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little
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help
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to
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accommodate
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the
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resource
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loading
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specified
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in
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JSR303,
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this
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was
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fixed
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in
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Servicemix-Specs
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1.6-SNAPSHOT.
Example
Assumed we have a java bean with the following annotations
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h3. Example Assumed we have a java bean with the following annotations {code:title=Car.java} public class Car { @NotNull private String manufacturer; @NotNull @Size(min = 5, max = 14, groups = OptionalChecks.class) private String licensePlate; // getter and setter } {code} |
and
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an
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interface
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definition
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for
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our
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custom
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validation
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group
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} public interface OptionalChecks { } {code} |
with
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the
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following
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Camel
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route,
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only
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the
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@NotNull
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constraints
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on
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the
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attributes
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manufacturer
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and
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licensePlate
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will
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be
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validated
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(Camel
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uses
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the
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default
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group
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javax.validation.groups.Default
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).
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} from("direct:start") .to("bean-validator://x") .to("mock:end") {code} |
If
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you
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want
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to
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check
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the
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constraints
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from
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the
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group
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OptionalChecks
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,
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you
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have
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to
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define
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the
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route
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like
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this
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} from("direct:start") .to("bean-validator://x?group=OptionalChecks") .to("mock:end") {code} |
If
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you
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want
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to
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check
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the
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constraints
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from
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both
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groups,
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you
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have
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to
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define
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a
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new
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interface
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first
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} @GroupSequence({Default.class, OptionalChecks.class}) public interface AllChecks { } {code} |
and
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then
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your
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route
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definition
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should
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looks
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like
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this
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} from("direct:start") .to("bean-validator://x?group=AllChecks") .to("mock:end") {code} |
And
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if
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you
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have
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to
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provide
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your
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own
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message
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interpolator,
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traversable
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resolver
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and
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constraint
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validator
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factory,
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you
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have
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to
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write
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a
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route
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like
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this
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} <bean id="myMessageInterpolator" class="my.ConstraintValidatorFactory" /> <bean id="myTraversableResolver" class="my.TraversableResolver" /> <bean id="myConstraintValidatorFactory" class="my.ConstraintValidatorFactory" /> from("direct:start") .to("bean-validator://x?group=AllChecks&messageInterpolator=#myMessageInterpolator &traversableResolver=#myTraversableResolver&constraintValidatorFactory=#myConstraintValidatorFactory") .to("mock:end") {code} |
It's
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also
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possible
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to
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describe
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your
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constraints
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as
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XML
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and
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not
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as
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Java
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annotations.
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In
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this
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case,
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you
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have
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to
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provide
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the
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file
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META-INF/validation.xml
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which
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could
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looks
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like
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this
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} <?xml version="1.0" encoding="UTF-8"?> <validation-config xmlns="http://jboss.org/xml/ns/javax/validation/configuration" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jboss.org/xml/ns/javax/validation/configuration"> <default-provider>org.hibernate.validator.HibernateValidator</default-provider> <message-interpolator>org.hibernate.validator.engine.ResourceBundleMessageInterpolator</message-interpolator> <traversable-resolver>org.hibernate.validator.engine.resolver.DefaultTraversableResolver</traversable-resolver> <constraint-validator-factory>org.hibernate.validator.engine.ConstraintValidatorFactoryImpl</constraint-validator-factory> <constraint-mapping>/constraints-car.xml</constraint-mapping> </validation-config> {code} |
and
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the
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constraints-car.xml file
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} <?xml version="1.0" encoding="UTF-8"?> <constraint-mappings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jboss.org/xml/ns/javax/validation/mapping validation-mapping-1.0.xsd" xmlns="http://jboss.org/xml/ns/javax/validation/mapping"> <default-package>org.apache.camel.component.bean.validator</default-package> <bean class="CarWithoutAnnotations" ignore-annotations="true"> <field name="manufacturer"> <constraint annotation="javax.validation.constraints.NotNull" /> </field> <field name="licensePlate"> <constraint annotation="javax.validation.constraints.NotNull" /> <constraint annotation="javax.validation.constraints.Size"> <groups> <value>org.apache.camel.component.bean.validator.OptionalChecks</value> </groups> <element name="min">5</element> <element name="max">14</element> </constraint> </field> </bean> </constraint-mappings> {code} {include:Endpoint See Also} |
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