Examples with Metadata org.osgi.service.blueprint.reflect.Metadata used on opensource projects

Example 11 with Metadata

use of org.osgi.service.blueprint.reflect.Metadata in project aries by apache.

the class RecipeBuilder method getValue.

private Recipe getValue(Metadata v, Object groupingType) {
    if (v instanceof NullMetadata) {
        return null;
    } else if (v instanceof ComponentMetadata) {
        return createRecipe((ComponentMetadata) v);
    } else if (v instanceof ValueMetadata) {
        ValueMetadata stringValue = (ValueMetadata) v;
        Object type = stringValue.getType();
        type = (type == null) ? groupingType : type;
        ValueRecipe vr = new ValueRecipe(getName(null), stringValue, type);
        return vr;
    } else if (v instanceof RefMetadata) {
        // TODO: make it work with property-placeholders?
        String componentName = ((RefMetadata) v).getComponentId();
        RefRecipe rr = new RefRecipe(getName(null), componentName);
        return rr;
    } else if (v instanceof CollectionMetadata) {
        CollectionMetadata collectionMetadata = (CollectionMetadata) v;
        Class<?> cl = collectionMetadata.getCollectionClass();
        String type = collectionMetadata.getValueType();
        if (cl == Object[].class) {
            ArrayRecipe ar = new ArrayRecipe(getName(null), type);
            for (Metadata lv : collectionMetadata.getValues()) {
                ar.add(getValue(lv, type));
            }
            return ar;
        } else {
            CollectionRecipe cr = new CollectionRecipe(getName(null), cl != null ? cl : ArrayList.class, type);
            for (Metadata lv : collectionMetadata.getValues()) {
                cr.add(getValue(lv, type));
            }
            return cr;
        }
    } else if (v instanceof MapMetadata) {
        return createMapRecipe((MapMetadata) v);
    } else if (v instanceof PropsMetadata) {
        PropsMetadata mapValue = (PropsMetadata) v;
        MapRecipe mr = new MapRecipe(getName(null), Properties.class, String.class, String.class);
        for (MapEntry entry : mapValue.getEntries()) {
            Recipe key = getValue(entry.getKey(), String.class);
            Recipe val = getValue(entry.getValue(), String.class);
            mr.put(key, val);
        }
        return mr;
    } else if (v instanceof IdRefMetadata) {
        // TODO: make it work with property-placeholders?
        String componentName = ((IdRefMetadata) v).getComponentId();
        IdRefRecipe rnr = new IdRefRecipe(getName(null), componentName);
        return rnr;
    } else {
        throw new IllegalStateException("Unsupported value: " + (v != null ? v.getClass().getName() : "null"));
    }
}

Example 12 with Metadata

use of org.osgi.service.blueprint.reflect.Metadata in project aries by apache.

the class AbstractParserProxy method parseCDRForServices.

/**
	   * Extract Service metadata from a ComponentDefinitionRegistry. When doing SCA modelling, we
	   * need to suppress anonymous services. We don't want to do that when we're modelling for 
	   * provisioning dependencies. 
	   * @param cdr                       ComponentDefinitionRegistry
	   * @param suppressAnonymousServices Unnamed services will not be returned if this is true
	   * @return List<WrappedServiceMetadata>
	   */
private List<ExportedService> parseCDRForServices(ComponentDefinitionRegistry cdr, boolean suppressAnonymousServices) {
    _logger.debug(LOG_ENTRY, "parseCDRForServices", new Object[] { cdr, suppressAnonymousServices });
    List<ExportedService> result = new ArrayList<ExportedService>();
    for (ComponentMetadata compMetadata : findAllComponents(cdr)) {
        if (compMetadata instanceof ServiceMetadata) {
            ServiceMetadata serviceMetadata = (ServiceMetadata) compMetadata;
            String serviceName;
            int ranking;
            Collection<String> interfaces = new ArrayList<String>();
            Map<String, Object> serviceProps = new HashMap<String, Object>();
            ranking = serviceMetadata.getRanking();
            for (Object i : serviceMetadata.getInterfaces()) {
                interfaces.add((String) i);
            }
            // get the service properties
            List<MapEntry> props = serviceMetadata.getServiceProperties();
            for (MapEntry entry : props) {
                String key = ((ValueMetadata) entry.getKey()).getStringValue();
                Metadata value = entry.getValue();
                if (value instanceof CollectionMetadata) {
                    processMultiValueProperty(serviceProps, key, value);
                } else {
                    serviceProps.put(key, ((ValueMetadata) entry.getValue()).getStringValue());
                }
            }
            // serviceName: use the service id unless that's not set, 
            // in which case we use the bean id. 
            serviceName = serviceMetadata.getId();
            // If the Service references a Bean, export the bean id as a service property
            // as per 121.6.5 p669 of the blueprint 1.0 specification
            Target t = serviceMetadata.getServiceComponent();
            String targetId = null;
            if (t instanceof RefMetadata) {
                targetId = ((RefMetadata) t).getComponentId();
            } else if (t instanceof BeanMetadata) {
                targetId = ((BeanMetadata) t).getId();
            }
            // or auto-generated for an anonymous service. This must ALWAYS be set. 
            if (targetId != null && !targetId.startsWith(".")) {
                // Don't set this for anonymous inner components
                serviceProps.put("osgi.service.blueprint.compname", targetId);
                if (serviceName == null || serviceName.equals("") || serviceName.startsWith(".")) {
                    serviceName = targetId;
                }
            }
            if (serviceName != null && serviceName.startsWith("."))
                serviceName = null;
            // If suppressAnonymous services, do not expose services that have no name
            if (!suppressAnonymousServices || (serviceName != null)) {
                ExportedService wsm = _modellingManager.getExportedService(serviceName, ranking, interfaces, serviceProps);
                result.add(wsm);
            }
        }
    }
    _logger.debug(LOG_EXIT, "parseAllServiceElements", new Object[] { result });
    return result;
}

Example 13 with Metadata

use of org.osgi.service.blueprint.reflect.Metadata in project aries by apache.

the class AbstractParserProxy method processMultiValueProperty.

private void processMultiValueProperty(Map<String, Object> serviceProps, String key, Metadata value) {
    List<Metadata> values = ((CollectionMetadata) value).getValues();
    Class<?> collectionClass = ((CollectionMetadata) value).getCollectionClass();
    Object collectionValue;
    if (Collection.class.isAssignableFrom(collectionClass)) {
        Collection<String> theseValues = getCollectionFromClass(collectionClass);
        for (Metadata m : values) {
            theseValues.add(((ValueMetadata) m).getStringValue());
        }
        collectionValue = theseValues;
    } else {
        String[] theseValues = new String[values.size()];
        for (int i = 0; i < values.size(); i++) {
            Metadata m = values.get(i);
            theseValues[i] = ((ValueMetadata) m).getStringValue();
        }
        collectionValue = theseValues;
    }
    serviceProps.put(key, collectionValue);
}

Example 14 with Metadata

use of org.osgi.service.blueprint.reflect.Metadata in project aries by apache.

the class ParserTest method testCustomNodes.

public void testCustomNodes() throws Exception {
    ComponentDefinitionRegistry registry = parse("/test-custom-nodes.xml", new TestNamespaceHandlerSet());
    ComponentMetadata metadata;
    metadata = registry.getComponentDefinition("fooService");
    assertNotNull(metadata);
    assertTrue(metadata instanceof MyLocalComponentMetadata);
    MyLocalComponentMetadata comp1 = (MyLocalComponentMetadata) metadata;
    assertEquals(true, comp1.getCacheReturnValues());
    assertEquals("getVolatile", comp1.getOperation());
    metadata = registry.getComponentDefinition("barService");
    assertNotNull(metadata);
    assertTrue(metadata instanceof BeanMetadata);
    BeanMetadata comp2 = (BeanMetadata) metadata;
    assertEquals(1, comp2.getProperties().size());
    BeanProperty propertyMetadata = comp2.getProperties().get(0);
    assertEquals("localCache", propertyMetadata.getName());
    Metadata propertyValue = propertyMetadata.getValue();
    assertTrue(propertyValue instanceof BeanMetadata);
    BeanMetadata innerComp = (BeanMetadata) propertyValue;
    assertEquals("org.apache.aries.CacheProperty", innerComp.getClassName());
    metadata = registry.getComponentDefinition("myCache");
    assertNotNull(metadata);
    assertTrue(metadata instanceof BeanMetadata);
    BeanMetadata comp3 = (BeanMetadata) metadata;
    assertEquals("org.apache.aries.Cache", comp3.getClassName());
}

Example 15 with Metadata

use of org.osgi.service.blueprint.reflect.Metadata in project aries by apache.

the class BlueprintContainerImpl method getMetadata.

private <T extends ComponentMetadata> void getMetadata(Class<T> clazz, Metadata component, Collection<T> metadatas) {
    if (component == null) {
        return;
    }
    if (clazz.isInstance(component)) {
        metadatas.add(clazz.cast(component));
    }
    if (component instanceof BeanMetadata) {
        getMetadata(clazz, ((BeanMetadata) component).getFactoryComponent(), metadatas);
        for (BeanArgument arg : ((BeanMetadata) component).getArguments()) {
            getMetadata(clazz, arg.getValue(), metadatas);
        }
        for (BeanProperty prop : ((BeanMetadata) component).getProperties()) {
            getMetadata(clazz, prop.getValue(), metadatas);
        }
    }
    if (component instanceof CollectionMetadata) {
        for (Metadata m : ((CollectionMetadata) component).getValues()) {
            getMetadata(clazz, m, metadatas);
        }
    }
    if (component instanceof MapMetadata) {
        for (MapEntry m : ((MapMetadata) component).getEntries()) {
            getMetadata(clazz, m.getKey(), metadatas);
            getMetadata(clazz, m.getValue(), metadatas);
        }
    }
    if (component instanceof PropsMetadata) {
        for (MapEntry m : ((PropsMetadata) component).getEntries()) {
            getMetadata(clazz, m.getKey(), metadatas);
            getMetadata(clazz, m.getValue(), metadatas);
        }
    }
    if (component instanceof ServiceReferenceMetadata) {
        for (ReferenceListener l : ((ServiceReferenceMetadata) component).getReferenceListeners()) {
            getMetadata(clazz, l.getListenerComponent(), metadatas);
        }
    }
    if (component instanceof ServiceMetadata) {
        getMetadata(clazz, ((ServiceMetadata) component).getServiceComponent(), metadatas);
        for (MapEntry m : ((ServiceMetadata) component).getServiceProperties()) {
            getMetadata(clazz, m.getKey(), metadatas);
            getMetadata(clazz, m.getValue(), metadatas);
        }
        for (RegistrationListener l : ((ServiceMetadata) component).getRegistrationListeners()) {
            getMetadata(clazz, l.getListenerComponent(), metadatas);
        }
    }
}