Package javax.ws.rs.ext
Class FactoryFinder
java.lang.Object
javax.ws.rs.ext.FactoryFinder
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescription(package private) static Object
Finds the implementationClass
object for the given factory name, or if that fails, finds theClass
object for the given fallback class name.(package private) static ClassLoader
private static Object
newInstance
(String className, ClassLoader classLoader) Creates an instance of the specified class using the specifiedClassLoader
object.
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Constructor Details
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FactoryFinder
FactoryFinder()
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Method Details
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getContextClassLoader
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newInstance
private static Object newInstance(String className, ClassLoader classLoader) throws ClassNotFoundException Creates an instance of the specified class using the specifiedClassLoader
object.- Throws:
ClassNotFoundException
- if the given class could not be found or could not be instantiated
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find
Finds the implementationClass
object for the given factory name, or if that fails, finds theClass
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 propertyfallbackClassName
- 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 benull
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