How do I import javax.validation into my Java SE project?

Question

I'm trying to add constraints checking, as described here How to specify the cardinality of a @OneToMany in EclipseLink/JPA

Answer 1

Here are the dependencies I'm using (with Maven):

<dependencies>   <!-- Bean Validation API and RI -->   <dependency>     <groupId>javax.validation</groupId>     <artifactId>validation-api</artifactId>     <version>1.0.0.GA</version>   </dependency>   <dependency>     <groupId>org.hibernate</groupId>     <artifactId>hibernate-validator</artifactId>     <version>4.0.2.GA</version>   </dependency> </dependencies> 

That you can get from this repository:

<repositories>   <repository>     <id>jboss</id>     <name>JBoss repository</name>     <url>http://repository.jboss.org/maven2</url>   </repository> </repositories> 

Answer 2

The dependencies as of 2019:

<dependency>     <groupId>org.hibernate.validator</groupId>     <artifactId>hibernate-validator</artifactId>     <version>6.0.16.Final</version> </dependency> 

This transitively pulls in the dependency to the Bean Validation API, so you don't need to do this anymore:

<dependency>     <groupId>javax.validation</groupId>     <artifactId>validation-api</artifactId>     <version>1.1.0.Final</version> </dependency> 

For additional features, Expression Language and CDI support, you might need to add:

<dependency>     <groupId>org.glassfish</groupId>     <artifactId>javax.el</artifactId>     <version>3.0.1-b09</version> </dependency>  <dependency>     <groupId>org.hibernate.validator</groupId>     <artifactId>hibernate-validator-cdi</artifactId>     <version>6.0.16.Final</version> </dependency> 

Source: Hibernate Validator documentation

These are all in Maven Central Repo, so you don't need to add the JBoss repo.

And BTW here's my example convenience method:

public static <T extends Object> void  validate( T object ) throws MigrationException {     ValidatorFactory factory = Validation.buildDefaultValidatorFactory();     Validator validator = factory.getValidator();     Set<ConstraintViolation<T>> valRes = validator.validate( object );     if( ! valRes.isEmpty() )     {         StringBuilder sb = new StringBuilder("Validation failed for: ");         if( object instanceof Origin.Wise )             sb.append( ((Origin.Wise)object).getOrigin() );         else             sb.append(object);          for( ConstraintViolation<T> fail : valRes)         {             sb.append("\n  ").append( fail.getMessage() );         }         throw new IllegalArgumentException( sb.toString() );     } } 

The Origin.Wise is something like JAXB's @XmlLocation Locator.

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In 2013 (the original post) the versions were:

    <!-- BeanValidation and Hibernate Validator. -->     <dependency>         <groupId>org.hibernate</groupId>         <artifactId>hibernate-validator</artifactId>         <version>5.4.0.Final</version>     </dependency>             <dependency>         <groupId>org.glassfish</groupId>         <artifactId>javax.el</artifactId>         <version>3.0.1-b08</version>     </dependency>     <dependency>         <groupId>org.hibernate</groupId>         <artifactId>hibernate-validator-cdi</artifactId>         <version>5.4.0.Final</version>     </dependency>