Class FactoryFinder

java.lang.Object

jakarta.xml.soap.FactoryFinder

class FactoryFinder
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final ServiceLoaderUtil.ExceptionHandler<SOAPException>	EXCEPTION_HANDLER
private static final Logger	logger
private static final String	OSGI_SERVICE_LOADER_CLASS_NAME
private static final PrivilegedAction<String>	propertyAction

Constructor Summary

Constructors

Constructor	Description
FactoryFinder()

Method Summary

Modifier and Type	Method	Description
(package private) static <T> T	find(Class<T> factoryClass, String defaultClassName, boolean tryFallback)	Finds the implementation Class object for the given factory type.
private static String	fromSystemProperty(String factoryId)
private static ClassLoader	getClassClassLoader(Class<?> c)
private static ClassLoader	getSystemClassLoader()
private static String	getSystemProperty(String property)
private static boolean	isOsgi()
private static void	logFound(String value)
private static <T> T	lookupUsingOSGiServiceLoader(String factoryId)
private static Object	newInstance(String className, String defaultClassName, ClassLoader tccl)
(package private) static URL	which(Class<?> clazz)	Get the URL for the Class from it's ClassLoader.
(package private) static URL	which(Class<?> clazz, ClassLoader loader)	Search the given ClassLoader for an instance of the specified class and return a string representation of the URL that points to the resource.

Methods inherited from class Object

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

Field Details

logger

private static final Logger logger

EXCEPTION_HANDLER

private static final ServiceLoaderUtil.ExceptionHandler<SOAPException> EXCEPTION_HANDLER

propertyAction

private static final PrivilegedAction<String> propertyAction

OSGI_SERVICE_LOADER_CLASS_NAME

private static final String OSGI_SERVICE_LOADER_CLASS_NAME

See Also:

• Constant Field Values

Constructor Details

FactoryFinder

FactoryFinder()

Method Details

find

static <T> T find(Class<T> factoryClass,
 String defaultClassName,
 boolean tryFallback)
           throws SOAPException

Finds the implementation Class object for the given factory type. If it fails and tryFallback is true finds the Class object for the given default class name. The arguments supplied must be used in order Note the default class name may be needed even if fallback is not to be attempted in order to check if requested type is fallback.

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

Parameters:

factoryClass - factory abstract class or interface to be found

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

tryFallback - whether to try the default class as a fallback

Returns:

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

Throws:

SOAPException - if there is a SOAP error

newInstance

private static Object newInstance(String className,
 String defaultClassName,
 ClassLoader tccl)
                           throws SOAPException

Throws:

SOAPException

fromSystemProperty

private static String fromSystemProperty(String factoryId)

getSystemProperty

private static String getSystemProperty(String property)

logFound

private static void logFound(String value)

isOsgi

private static boolean isOsgi()

lookupUsingOSGiServiceLoader

private static <T> T lookupUsingOSGiServiceLoader(String factoryId)

which

static URL which(Class<?> clazz)

Get the URL for the Class from it's ClassLoader.

Convenience method for which(Class, ClassLoader).

Equivalent to calling: which(clazz, clazz.getClassLoader())

Parameters:

clazz - The class to search for

Returns:

the URL for the class or null if it wasn't found

which

static URL which(Class<?> clazz,
 ClassLoader loader)

Search the given ClassLoader for an instance of the specified class and return a string representation of the URL that points to the resource.

Parameters:

clazz - The class to search for

loader - The ClassLoader to search. If this parameter is null, then the system class loader will be searched

Returns:

the URL for the class or null if it wasn't found

getSystemClassLoader

private static ClassLoader getSystemClassLoader()

getClassClassLoader

private static ClassLoader getClassClassLoader(Class<?> c)