org.kie.internal.builder.help

## Class KnowledgeBuilderHelper

- java.lang.Object
- - org.kie.internal.builder.help.KnowledgeBuilderHelper

-     public class KnowledgeBuilderHelper
      extends Object

  Provides helper methods for working with JAXB and a Knowledgebase, it takes care of the Classpath issues when mapping against internal type declarations.

  This api is experimental and thus the classes and the interfaces returned are subject to change.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `KnowledgeBuilderHelper()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static String[]` | `addXsdModel(org.kie.api.io.Resource resource, KnowledgeBuilder kbuilder, com.sun.tools.xjc.Options xjcOpts, String systemId)` Generates pojos for a given XSD using XJC and adds them to the specified KnowlegeBase.
    `static DroolsJaxbHelperProvider` | `getDroolsJaxbHelperProvider()`
    `static JAXBContext` | `newJAXBContext(String[] classNames, KnowledgeBase kbase)` Creates a new JAXBContext, from which the Marshaller and Unmarshaller can be created, which are used by the Transformer pipeline stage.
    `static JAXBContext` | `newJAXBContext(String[] classNames, Map<String,?> properties, KnowledgeBase kbase)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### KnowledgeBuilderHelper

          public KnowledgeBuilderHelper()

  - ### Method Detail

    - #### addXsdModel

          public static String[] addXsdModel(org.kie.api.io.Resource resource,
                             KnowledgeBuilder kbuilder,
                             com.sun.tools.xjc.Options xjcOpts,
                             String systemId)
                                      throws IOException

      Generates pojos for a given XSD using XJC and adds them to the specified KnowlegeBase.

           Options xjcOpts = new Options();
           xjcOpts.setSchemaLanguage( Language.XMLSCHEMA );
           KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();

           String[] classNames = KnowledgeBuilderHelper.addXsdModel( ResourceFactory.newClassPathResource( "order.xsd",
                                                                                                           getClass() ),
                                                                     kbuilder,
                                                                     xjcOpts,
                                                                     "xsd" );

      Parameters:
        `resource` - The resource to the XSD model
        `kbuilder` - the KnowledgeBuilder where the generated .class files will be placed
        `xjcOpts` - XJC Options
        `systemId` - XJC systemId
      Returns:
        Returns an array of class names that where generated by the XSD.
      Throws:
        `IOException`

    - #### newJAXBContext

          public static JAXBContext newJAXBContext(String[] classNames,
                                   KnowledgeBase kbase)
                                            throws JAXBException

      Creates a new JAXBContext, from which the Marshaller and Unmarshaller can be created, which are used by the Transformer pipeline stage.
      Parameters:
        `classNames` - An array of class names that can be resolved by this JAXBContext
        `kbase` - The KnowledgeBase
      Returns:
        The JAXB Context
      Throws:
        `JAXBException`

    - #### newJAXBContext

          public static JAXBContext newJAXBContext(String[] classNames,
                                   Map<String,?> properties,
                                   KnowledgeBase kbase)
                                            throws JAXBException

      Throws:
        `JAXBException`

    - #### getDroolsJaxbHelperProvider

          public static DroolsJaxbHelperProvider getDroolsJaxbHelperProvider()

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