Class FactoryFinder

java.lang.Object

javax.ws.rs.ext.FactoryFinder

final class FactoryFinder
extends Object

Factory finder utility class.

Since:

1.0

Field Summary

Fields

Modifier and Type	Field	Description
private static final Logger	LOGGER
private static final String	RESTEASY_JAXRS_API_MODULE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	FactoryFinder()

Method Summary

Modifier and Type	Method	Description
(package private) static Object	find(String factoryId, String fallbackClassName)	Finds the implementation Class object for the given factory name, or if that fails, finds the Class object for the given fallback class name.
(package private) static ClassLoader	getContextClassLoader()
private static ClassLoader	getModuleClassLoader()
private static Object	newInstance(String className, ClassLoader classLoader)	Creates an instance of the specified class using the specified ClassLoader object.

Methods inherited from class Object

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

Field Details

LOGGER

private static final Logger LOGGER

RESTEASY_JAXRS_API_MODULE

private static final String RESTEASY_JAXRS_API_MODULE

See Also:

• Constant Field Values

Constructor Details

FactoryFinder

private FactoryFinder()

Method Details

getContextClassLoader

static ClassLoader getContextClassLoader()

newInstance

private static Object newInstance(String className,
 ClassLoader classLoader)
                           throws ClassNotFoundException

Creates an instance of the specified class using the specified ClassLoader object.

Parameters:

className - name of the class to be instantiated.

classLoader - class loader to be used.

Returns:

instance of the specified class.

Throws:

ClassNotFoundException - if the given class could not be found or could not be instantiated.

find

static Object find(String factoryId,
 String fallbackClassName)
            throws ClassNotFoundException

Finds the implementation Class object for the given factory name, or if that fails, finds the Class object for the given fallback class name. The arguments supplied MUST be used in order. If using the first argument is successful, the second one will not be used.

This method is package private so that this code can be shared.

Parameters:

factoryId - the name of the factory to find, which is a system property.

fallbackClassName - the implementation class name, which is to be used only if nothing else. is found; null to indicate that there is no fallback class name.

Returns:

the Class object of the specified message factory; may not be null.

Throws:

ClassNotFoundException - if there is an error.

getModuleClassLoader

private static ClassLoader getModuleClassLoader()