Package com.atlassian.jira.plugin

Interface ComponentClassManager

All Known Implementing Classes:
DefaultComponentClassManager, MockComponentClassManager
public interface ComponentClassManager
Provides methods to help load and instantiate classes that can handle OSGi plugins with their ClassLoaders and Components that don't live in core container.
Since:
v4.0

  • Method Summary

    Modifier and Type
    Method
    Description
    <T> Class<T>
    loadClass(String className)
    Load a class from Jira core, or a plugin including plugins that are not enabled.
    <T> T
    newInstance(String className)
    Instantiates the named class using OSGi ClassLoaders and Spring injection as appropriate.
    <T> T
    newInstanceFromPlugin(Class<T> clazz, com.atlassian.plugin.Plugin plugin)
    Instantiates the named class by directly using the plugin the class was loaded from and its autowiring strategy.

  • Method Details

    • newInstance

      <T> T newInstance(String className) throws ClassNotFoundException
      Instantiates the named class using OSGi ClassLoaders and Spring injection as appropriate.
      Parameters:
      className - the name of the class to instantiate.
      Returns:
      the instance of the requested class.
      Throws:
      ClassNotFoundException - if the given className was not able to be loaded.

    • newInstanceFromPlugin

      <T> T newInstanceFromPlugin(Class<T> clazz, com.atlassian.plugin.Plugin plugin)
      Instantiates the named class by directly using the plugin the class was loaded from and its autowiring strategy.
      Parameters:
      clazz - the class to instantiate
      plugin - the plugin in which the class was loaded from
      Returns:
      the instance of the requested class.
      See Also:

    • loadClass

      <T> Class<T> loadClass(String className) throws ClassNotFoundException
      Load a class from Jira core, or a plugin including plugins that are not enabled.
      Type Parameters:
      T - The Class type.
      Parameters:
      className - Fully qualified class name.
      Returns:
      the loaded Class of type T.
      Throws:
      ClassNotFoundException - if the given className was not able to be loaded.