org.apache.camel.spi

Interface FactoryFinder

public interface FactoryFinder

Finder to find factories from the resource classpath, usually META-INF/services/org/apache/camel/.

Method Summary

Modifier and Type	Method and Description
Class<?>	findClass(String key) Finds the given factory class using the key to lookup.
Class<?>	findClass(String key, String propertyPrefix) Finds the given factory class using the key to lookup.
Class<?>	findClass(String key, String propertyPrefix, Class<?> clazz) Finds the given factory class using the key to lookup.
String	getResourcePath() Gets the resource classpath.
Object	newInstance(String key) Creates a new class instance using the key to lookup
<T> List<T>	newInstances(String key, Injector injector, Class<T> type) Creates a new class instance using the key to lookup

Method Detail

getResourcePath

String getResourcePath()

Gets the resource classpath.

Returns:

the resource classpath.

newInstance

Object newInstance(String key)
            throws NoFactoryAvailableException

Creates a new class instance using the key to lookup

Parameters:

key - is the key to add to the path to find a text file containing the factory name

Returns:

a newly created instance

Throws:

NoFactoryAvailableException - is thrown if no factories exist for the given key

newInstances

<T> List<T> newInstances(String key,
                         Injector injector,
                         Class<T> type)
                  throws ClassNotFoundException,
                         IOException

Creates a new class instance using the key to lookup

Parameters:

key - is the key to add to the path to find a text file containing the factory name

injector - injector to use

type - expected type

Returns:

a newly created instance as the expected type

Throws:

ClassNotFoundException - is thrown if not found

IOException - is thrown if loading the class or META-INF file not found

findClass

Class<?> findClass(String key)
            throws ClassNotFoundException,
                   IOException

Finds the given factory class using the key to lookup.

Parameters:

key - is the key to add to the path to find a text file containing the factory name

Returns:

the factory class

Throws:

ClassNotFoundException - is thrown if class not found

IOException - is thrown if loading the class or META-INF file not found

findClass

Class<?> findClass(String key,
                   String propertyPrefix)
            throws ClassNotFoundException,
                   IOException

Finds the given factory class using the key to lookup.

Parameters:

key - is the key to add to the path to find a text file containing the factory name

propertyPrefix - prefix on key

Returns:

the factory class

Throws:

ClassNotFoundException - is thrown if not found

IOException - is thrown if loading the class or META-INF file not found

findClass

Class<?> findClass(String key,
                   String propertyPrefix,
                   Class<?> clazz)
            throws ClassNotFoundException,
                   IOException

Finds the given factory class using the key to lookup.

Parameters:

key - is the key to add to the path to find a text file containing the factory name

propertyPrefix - prefix on key

clazz - the class which is used for checking compatible

Returns:

the factory class

Throws:

ClassNotFoundException - is thrown if not found

IOException - is thrown if loading the class or META-INF file not found