org.openejb.util
Class SafeToolkit
java.lang.Object
|
+--org.openejb.util.SafeToolkit
- public class SafeToolkit
- extends java.lang.Object
Constructor Summary |
protected |
SafeToolkit(java.lang.String systemLocation)
Creates a new SafeToolkit dedicated to the specified system location. |
Method Summary |
java.lang.Class |
forName(java.lang.String className)
Attempts to find and load the specified class. |
java.lang.Class |
forName(java.lang.String className,
java.lang.String codebase)
Attempts to find and load the specified class, using the
specified codebase. |
protected static java.lang.ClassLoader |
getCodebaseClassLoader(java.lang.String codebase)
Ensures that a class loader for each code base used in the
system is created at most one time. |
SafeProperties |
getSafeProperties(java.util.Properties props)
Returns a new SafeProperties instance dedicated to this toolkit. |
static SafeToolkit |
getToolkit(java.lang.String systemLocation)
Returns an instance of a SafeToolkit dedicated to the specified system location. |
static java.lang.Class |
loadClass(java.lang.String className,
java.lang.String codebase)
Loads the class using the class loader for the specific
codebase. |
java.lang.Object |
newInstance(java.lang.Class clazz)
Attempts to instaniate the specified class. |
java.lang.Object |
newInstance(java.lang.String className)
Attempts to find and load the specified class then instaniate it. |
java.lang.Object |
newInstance(java.lang.String className,
java.lang.String codebase)
Attempts to find and load the specified class then instaniate it. |
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
messages
protected static Messages messages
codebases
protected static java.util.HashMap codebases
SafeToolkit
protected SafeToolkit(java.lang.String systemLocation)
- Creates a new SafeToolkit dedicated to the specified system location.
getToolkit
public static SafeToolkit getToolkit(java.lang.String systemLocation)
- Returns an instance of a SafeToolkit dedicated to the specified system location.
forName
public java.lang.Class forName(java.lang.String className)
throws OpenEJBException
- Attempts to find and load the specified class.
- Parameters:
className
- the name of the class to be loaded.- Throws:
OpenEJBExcption
- if the class cannot be found.
forName
public java.lang.Class forName(java.lang.String className,
java.lang.String codebase)
throws OpenEJBException
- Attempts to find and load the specified class, using the
specified codebase.
If the codebase is null, the bootstrap classloader is used.
- Parameters:
className
- the name of the class to be loaded.codebase
- the codebase to load the class from.- Throws:
OpenEJBExcption
- if the class cannot be found.
newInstance
public java.lang.Object newInstance(java.lang.String className)
throws OpenEJBException
- Attempts to find and load the specified class then instaniate it.
- Parameters:
className
- the name of the class to be instantiated.- Throws:
OpenEJBException
- if the class cannot be found or is not accessible .
newInstance
public java.lang.Object newInstance(java.lang.String className,
java.lang.String codebase)
throws OpenEJBException
- Attempts to find and load the specified class then instaniate it.
- Parameters:
className
- the name of the class to be instantiated.- Throws:
OpenEJBException
- if the class cannot be found or is not accessible .
newInstance
public java.lang.Object newInstance(java.lang.Class clazz)
throws OpenEJBException
- Attempts to instaniate the specified class.
- Parameters:
className
- the name of the class to be instantiated.- Throws:
OpenEJBException
- if the class is not accessible .
getSafeProperties
public SafeProperties getSafeProperties(java.util.Properties props)
throws OpenEJBException
- Returns a new SafeProperties instance dedicated to this toolkit.
- Parameters:
className
- the name of the class to be instantiated.- Throws:
OpenEJBException
- the properties object passed in is null.
loadClass
public static java.lang.Class loadClass(java.lang.String className,
java.lang.String codebase)
throws OpenEJBException
- Loads the class using the class loader for the specific
codebase. If the codebase is null, the bootstrap classloader
is used.
- Parameters:
className
- codebase
- - Returns:
-
- Throws:
java.lang.ClassNotFoundException
- OpenEJBException
-
getCodebaseClassLoader
protected static java.lang.ClassLoader getCodebaseClassLoader(java.lang.String codebase)
throws OpenEJBException
- Ensures that a class loader for each code base used in the
system is created at most one time. The default bootsrap
classloader is used if codebase is null.
- Parameters:
codebase
- - Returns:
-
- Throws:
OpenEJBException
-