Class Repository

Constructor Summary

Method Summary

Constructor Details

• Repository

  public Repository()

Method Details

• addClass

  public static JavaClass addClass(JavaClass clazz)

  Adds clazz to repository if there isn't an equally named class already in there.

  Returns:

  old entry in repository.

• clearCache

  public static void clearCache()

  Clears the repository.

• getInterfaces

  public static JavaClass[] getInterfaces(JavaClass clazz) throws ClassNotFoundException

  Returns:

  all interfaces implemented by class and its super classes and the interfaces that those interfaces extend, and so on. (Some people call this a transitive hull).

  Throws:

  ClassNotFoundException - if any of the class's superclasses or superinterfaces can't be found

• getInterfaces

  public static JavaClass[] getInterfaces(String className) throws ClassNotFoundException

  Returns:

  all interfaces implemented by class and its super classes and the interfaces that extend those interfaces, and so on

  Throws:

  ClassNotFoundException - if the named class can't be found, or if any of its superclasses or superinterfaces can't be found

• getRepository

  public static Repository getRepository()

  Returns:

  currently used repository instance.

• getSuperClasses

  public static JavaClass[] getSuperClasses(JavaClass clazz) throws ClassNotFoundException

  Returns:

  list of super classes of clazz in ascending order, that is, Object is always the last element.

  Throws:

  ClassNotFoundException - if any of the superclasses can't be found

• getSuperClasses

  public static JavaClass[] getSuperClasses(String className) throws ClassNotFoundException

  Returns:

  list of super classes of clazz in ascending order, that is, Object is always the last element.

  Throws:

  ClassNotFoundException - if the named class or any of its superclasses can't be found

• implementationOf

  public static boolean implementationOf(JavaClass clazz, JavaClass inter) throws ClassNotFoundException

  Returns:

  true, if clazz is an implementation of interface inter.

  Throws:

  ClassNotFoundException - if any superclasses or superinterfaces of clazz can't be found

• implementationOf

  public static boolean implementationOf(JavaClass clazz, String inter) throws ClassNotFoundException

  Returns:

  true, if clazz is an implementation of interface inter.

  Throws:

  ClassNotFoundException - if inter or any superclasses or superinterfaces of clazz can't be found

• implementationOf

  public static boolean implementationOf(String clazz, JavaClass inter) throws ClassNotFoundException

  Returns:

  true, if clazz is an implementation of interface inter.

  Throws:

  ClassNotFoundException - if clazz or any superclasses or superinterfaces of clazz can't be found

• implementationOf

  public static boolean implementationOf(String clazz, String inter) throws ClassNotFoundException

  Returns:

  true, if clazz is an implementation of interface inter.

  Throws:

  ClassNotFoundException - if clazz, inter, or any superclasses or superinterfaces of clazz can't be found

• instanceOf

  public static boolean instanceOf(JavaClass clazz, JavaClass superclass) throws ClassNotFoundException

  Equivalent to runtime "instanceof" operator.

  Returns:

  true, if clazz is an instance of superclass.

  Throws:

  ClassNotFoundException - if any superclasses or superinterfaces of clazz can't be found

• instanceOf

  public static boolean instanceOf(JavaClass clazz, String superclass) throws ClassNotFoundException

  Returns:

  true, if clazz is an instance of superclass.

  Throws:

  ClassNotFoundException - if superclass can't be found

• instanceOf

  public static boolean instanceOf(String clazz, JavaClass superclass) throws ClassNotFoundException

  Returns:

  true, if clazz is an instance of superclass.

  Throws:

  ClassNotFoundException - if clazz can't be found

• instanceOf

  public static boolean instanceOf(String clazz, String superclass) throws ClassNotFoundException

  Returns:

  true, if clazz is an instance of superclass.

  Throws:

  ClassNotFoundException - if either clazz or superclass can't be found

• lookupClass

  public static JavaClass lookupClass(Class<?> clazz) throws ClassNotFoundException

  Tries to find class source using the internal repository instance.

  Returns:

  JavaClass object for given runtime class.

  Throws:

  ClassNotFoundException - if the class could not be found or parsed correctly

  See Also:

  • Class

• lookupClass

  public static JavaClass lookupClass(String className) throws ClassNotFoundException

  Lookups class somewhere found on your CLASSPATH, or whereever the repository instance looks for it.

  Returns:

  class object for given fully qualified class name.

  Throws:

  ClassNotFoundException - if the class could not be found or parsed correctly

• lookupClassFile

  public static ClassPath.ClassFile lookupClassFile(String className)

  Returns:

  class file object for given Java class by looking on the system class path; returns null if the class file can't be found

• removeClass

  public static void removeClass(JavaClass clazz)

  Removes given class from repository.

• removeClass

  public static void removeClass(String clazz)

  Removes class with given (fully qualified) name from repository.

• setRepository

  public static void setRepository(Repository rep)

  Sets repository instance to be used for class loading