- java.lang.Object
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- jakarta.ws.rs.client.FactoryFinder
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final class FactoryFinder extends java.lang.Object
Factory finder utility class.- Since:
- 2.0
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Field Summary
Fields Modifier and Type Field Description private static java.util.logging.Logger
LOGGER
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Constructor Summary
Constructors Modifier Constructor Description private
FactoryFinder()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description (package private) static <T> java.lang.Object
find(java.lang.String factoryId, java.lang.Class<T> service)
Finds the implementationClass
for the given factory name and create its instance.private static <T> T
findFirstService(java.lang.String factoryId, java.lang.ClassLoader cl, java.lang.Class<T> service)
private static java.lang.ClassLoader
getClassLoader()
(package private) static java.lang.ClassLoader
getContextClassLoader()
private static java.lang.Object
newInstance(java.lang.String className, java.lang.ClassLoader classLoader)
Creates an instance of the specified class using the specifiedClassLoader
object.
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Method Detail
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getContextClassLoader
static java.lang.ClassLoader getContextClassLoader()
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newInstance
private static java.lang.Object newInstance(java.lang.String className, java.lang.ClassLoader classLoader) throws java.lang.ClassNotFoundException
Creates an instance of the specified class using the specifiedClassLoader
object.- Parameters:
className
- name of the class to be instantiated.classLoader
- class loader to be used.- Returns:
- instance of the specified class.
- Throws:
java.lang.ClassNotFoundException
- if the given class could not be found or could not be instantiated.
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find
static <T> java.lang.Object find(java.lang.String factoryId, java.lang.Class<T> service) throws java.lang.ClassNotFoundException
Finds the implementationClass
for the given factory name and create its instance.This method is package private so that this code can be shared.
- Type Parameters:
T
- type of the service to be found.- Parameters:
factoryId
- the name of the factory to find, which is a system property.service
- service to be found.- Returns:
- the instance of the specified service; may not be
null
. - Throws:
java.lang.ClassNotFoundException
- if the given class could not be found or could not be instantiated.
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getClassLoader
private static java.lang.ClassLoader getClassLoader()
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findFirstService
private static <T> T findFirstService(java.lang.String factoryId, java.lang.ClassLoader cl, java.lang.Class<T> service)
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