org.apache.camel.spi
Interface ClassResolver

All Known Implementing Classes:

DefaultClassResolver

public interface ClassResolver

A class resolver for loading classes in a loosly coupled manner to cater for different platforms such as standalone, web container, j2ee container and OSGi platforms.

Method Summary

Enumeration<URL>	loadAllResourcesAsURL(String uri) Loads the given resources as a URL from all bundles/classloaders
InputStream	loadResourceAsStream(String uri) Loads the given resource as a stream
URL	loadResourceAsURL(String uri) Loads the given resource as a URL
Enumeration<URL>	loadResourcesAsURL(String uri) Loads the given resources as a URL from the current bundle/classloader
Class<?>	resolveClass(String name) Resolves the given class by its name
<T> Class<T>	resolveClass(String name, Class<T> type) Resolves the given class by its name
<T> Class<T>	resolveClass(String name, Class<T> type, ClassLoader loader) Resolves the given class by its name
Class<?>	resolveClass(String name, ClassLoader loader) Resolves the given class by its name
Class<?>	resolveMandatoryClass(String name) Resolves the given class by its name
<T> Class<T>	resolveMandatoryClass(String name, Class<T> type) Resolves the given class by its name
<T> Class<T>	resolveMandatoryClass(String name, Class<T> type, ClassLoader loader) Resolves the given class by its name
Class<?>	resolveMandatoryClass(String name, ClassLoader loader) Resolves the given class by its name

Method Detail

resolveClass

Class<?> resolveClass(String name)

Resolves the given class by its name

Parameters:

name - full qualified name of class

Returns:

the class if resolved, null if not found.

resolveClass

<T> Class<T> resolveClass(String name,
                          Class<T> type)

Resolves the given class by its name

Parameters:

name - full qualified name of class

type - the expected type of the class

Returns:

the class if resolved, null if not found.

resolveClass

Class<?> resolveClass(String name,
                      ClassLoader loader)

Resolves the given class by its name

Parameters:

name - full qualified name of class

loader - use the provided class loader

Returns:

the class if resolved, null if not found.

resolveClass

<T> Class<T> resolveClass(String name,
                          Class<T> type,
                          ClassLoader loader)

Resolves the given class by its name

Parameters:

name - full qualified name of class

type - the expected type of the class

loader - use the provided class loader

Returns:

the class if resolved, null if not found.

resolveMandatoryClass

Class<?> resolveMandatoryClass(String name)
                               throws ClassNotFoundException

Resolves the given class by its name

Parameters:

name - full qualified name of class

Returns:

the class if resolved, null if not found.

Throws:

ClassNotFoundException - is thrown if class not found

resolveMandatoryClass

<T> Class<T> resolveMandatoryClass(String name,
                                   Class<T> type)
                               throws ClassNotFoundException

Resolves the given class by its name

Parameters:

name - full qualified name of class

type - the expected type of the class

Returns:

the class if resolved, null if not found.

Throws:

ClassNotFoundException - is thrown if class not found

resolveMandatoryClass

Class<?> resolveMandatoryClass(String name,
                               ClassLoader loader)
                               throws ClassNotFoundException

Resolves the given class by its name

Parameters:

name - full qualified name of class

loader - use the provided class loader

Returns:

the class if resolved, null if not found.

Throws:

ClassNotFoundException - is thrown if class not found

resolveMandatoryClass

<T> Class<T> resolveMandatoryClass(String name,
                                   Class<T> type,
                                   ClassLoader loader)
                               throws ClassNotFoundException

Resolves the given class by its name

Parameters:

name - full qualified name of class

type - the expected type of the class

loader - use the provided class loader

Returns:

the class if resolved, null if not found.

Throws:

ClassNotFoundException - is thrown if class not found

loadResourceAsStream

InputStream loadResourceAsStream(String uri)

Loads the given resource as a stream

Parameters:

uri - the uri of the resource

Returns:

as a stream

loadResourceAsURL

URL loadResourceAsURL(String uri)

Loads the given resource as a URL

Parameters:

uri - the uri of the resource

Returns:

as a URL

loadResourcesAsURL

Enumeration<URL> loadResourcesAsURL(String uri)

Loads the given resources as a URL from the current bundle/classloader

Parameters:

uri - the uri of the resource

Returns:

the URLs found on the classpath

loadAllResourcesAsURL

Enumeration<URL> loadAllResourcesAsURL(String uri)

Loads the given resources as a URL from all bundles/classloaders

Parameters:

uri - the uri of the resource

Returns:

the URLs found on the classpath