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java.lang.Objectorg.apache.geronimo.osgi.locator.ProviderLocator
public class ProviderLocator
Method Summary | |
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static void |
destroy()
Cleanup resources on bundle shutdown. |
static java.lang.Object |
getService(java.lang.String iface,
java.lang.Class<?> contextClass,
java.lang.ClassLoader loader)
Get a single service instance that matches an interface definition. |
static java.lang.Class<?> |
getServiceClass(java.lang.String iface,
java.lang.Class<?> contextClass,
java.lang.ClassLoader loader)
Locate a service class that matches an interface definition. |
static java.util.List<java.lang.Class<?>> |
getServiceClasses(java.lang.String iface,
java.lang.Class<?> contextClass,
java.lang.ClassLoader loader)
Get a list of service class implementations that match an interface name. |
static java.util.List<java.lang.Object> |
getServices(java.lang.String iface,
java.lang.Class<?> contextClass,
java.lang.ClassLoader loader)
Get a list of services that match a given interface name. |
static void |
init(org.osgi.framework.BundleContext c)
initialize the tracker statics for this bundle |
static java.lang.Class<?> |
loadClass(java.lang.String className)
Utility class for locating a class with OSGi registry support. |
static java.lang.Class<?> |
loadClass(java.lang.String className,
java.lang.Class<?> contextClass)
Utility class for locating a class with OSGi registry support. |
static java.lang.Class<?> |
loadClass(java.lang.String className,
java.lang.Class<?> contextClass,
java.lang.ClassLoader loader)
Standardized utility method for performing class lookups with support for OSGi registry lookups. |
static java.lang.Class<?> |
locate(java.lang.String providerId)
Locate a class by its provider id indicator. |
static java.util.List<java.lang.Class<?>> |
locateAll(java.lang.String providerId)
Locate all class files that match a given factory id. |
static java.lang.String |
lookupByJREPropertyFile(java.lang.String path,
java.lang.String property)
Perform a service class discovery by looking for a property in a target properties file located in the java.home directory. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static void init(org.osgi.framework.BundleContext c)
c
- The starup BundleContext.public static void destroy()
public static java.lang.Class<?> locate(java.lang.String providerId)
providerId
- The provider id (generally, a fully qualified class name).
public static java.util.List<java.lang.Class<?>> locateAll(java.lang.String providerId)
providerId
- The target provider identifier.
public static java.lang.Class<?> loadClass(java.lang.String className) throws java.lang.ClassNotFoundException
className
- The name of the target class.
java.lang.ClassNotFoundException
- Thrown if the class cannot be located.public static java.lang.Class<?> loadClass(java.lang.String className, java.lang.Class<?> contextClass) throws java.lang.ClassNotFoundException
className
- The name of the target class.
java.lang.ClassNotFoundException
- Thrown if the class cannot be located.public static java.lang.Class<?> loadClass(java.lang.String className, java.lang.Class<?> contextClass, java.lang.ClassLoader loader) throws java.lang.ClassNotFoundException
className
- The name of the target class.loader
- An optional class loader.
java.lang.ClassNotFoundException
- Thrown if the class cannot be loaded.public static java.lang.Object getService(java.lang.String iface, java.lang.Class<?> contextClass, java.lang.ClassLoader loader) throws java.lang.Exception
iface
- The name of the required interface.contextClass
- The class requesting the lookup (used for class resolution).loader
- A class loader to use for searching for service definitions
and loading classes.
java.lang.Exception
- Thrown for any classloading or exceptions thrown
trying to instantiate a service instance.public static java.lang.Class<?> getServiceClass(java.lang.String iface, java.lang.Class<?> contextClass, java.lang.ClassLoader loader) throws java.lang.ClassNotFoundException
iface
- The name of the required interface.contextClass
- The class requesting the lookup (used for class resolution).loader
- A class loader to use for searching for service definitions
and loading classes.
java.lang.Exception
- Thrown for any classloading exceptions thrown
trying to load the class.
java.lang.ClassNotFoundException
public static java.util.List<java.lang.Object> getServices(java.lang.String iface, java.lang.Class<?> contextClass, java.lang.ClassLoader loader) throws java.lang.Exception
iface
- The name of the required interface.contextClass
- The class requesting the lookup (used for class resolution).loader
- A class loader to use for searching for service definitions
and loading classes.
java.lang.Exception
- Thrown for any classloading or exceptions thrown
trying to instantiate a service instance.public static java.util.List<java.lang.Class<?>> getServiceClasses(java.lang.String iface, java.lang.Class<?> contextClass, java.lang.ClassLoader loader) throws java.lang.Exception
iface
- The name of the required interface.contextClass
- The class requesting the lookup (used for class resolution).loader
- A class loader to use for searching for service definitions
and loading classes.
java.lang.Exception
- Thrown for any classloading exceptions thrown
trying to load a provider class.public static java.lang.String lookupByJREPropertyFile(java.lang.String path, java.lang.String property) throws java.io.IOException
path
- The relative path to the desired properties file.property
- The name of the required property.
java.io.IOException
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