org.apache.tuscany.sca.extensibility.osgi
Class OSGiServiceDiscoverer

java.lang.Object
  org.apache.tuscany.sca.extensibility.osgi.OSGiServiceDiscoverer

All Implemented Interfaces:

ServiceDiscoverer

public class OSGiServiceDiscoverer
extends java.lang.Object
implements ServiceDiscoverer

The ServiceDiscoverer that find META-INF/services/... in installed bundles

Nested Class Summary

class	OSGiServiceDiscoverer.ClassLoaderImpl This class loader provides resource access to META-INF/services/...
static class	OSGiServiceDiscoverer.ServiceDeclarationImpl

Constructor Summary

OSGiServiceDiscoverer(BundleContext context)

Method Summary

java.util.Set<ServiceDeclaration>	discover(java.lang.String serviceName, boolean firstOnly) Discover the service descriptors by name
BundleContext	getBundleContext()
java.lang.ClassLoader	getContextClassLoader() This class loader can be set as the thread context class loader for non-OSGi code
protected static java.util.Map<java.lang.String,java.lang.String>	parseServiceDeclaration(java.lang.String declaration) Parse a service declaration in the form class;attr=value,attr=value and return a map of attributes
static java.lang.String	toString(Bundle b)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OSGiServiceDiscoverer

public OSGiServiceDiscoverer(BundleContext context)

Method Detail

toString

public static java.lang.String toString(Bundle b)

parseServiceDeclaration

protected static java.util.Map<java.lang.String,java.lang.String> parseServiceDeclaration(java.lang.String declaration)

Parse a service declaration in the form class;attr=value,attr=value and return a map of attributes

Parameters:

declaration -

Returns:

a map of attributes

getBundleContext

public BundleContext getBundleContext()

getContextClassLoader

public java.lang.ClassLoader getContextClassLoader()

This class loader can be set as the thread context class loader for non-OSGi code

Returns:

discover

public java.util.Set<ServiceDeclaration> discover(java.lang.String serviceName,
                                                  boolean firstOnly)

Description copied from interface: ServiceDiscoverer

Discover the service descriptors by name

Specified by:

discover in interface ServiceDiscoverer

Parameters:

serviceName - The name of the service

firstOnly - A flag to indicate if only the first instance is to be discovered

Returns:

A set of service descriptors