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

Example 1 with RefMetadata

use of org.osgi.service.blueprint.reflect.RefMetadata 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 2 with RefMetadata

use of org.osgi.service.blueprint.reflect.RefMetadata 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 3 with RefMetadata

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

the class ParserTest method testParseComponent.

public void testParseComponent() throws Exception {
    ComponentDefinitionRegistry registry = parse("/test-simple-component.xml");
    assertNotNull(registry);
    ComponentMetadata component = registry.getComponentDefinition("pojoA");
    assertNotNull(component);
    assertEquals("pojoA", component.getId());
    assertTrue(component instanceof BeanMetadata);
    BeanMetadata local = (BeanMetadata) component;
    List<String> deps = local.getDependsOn();
    assertNotNull(deps);
    assertEquals(2, deps.size());
    assertTrue(deps.contains("pojoB"));
    assertTrue(deps.contains("pojoC"));
    assertEquals("org.apache.aries.blueprint.pojos.PojoA", local.getClassName());
    List<BeanArgument> params = local.getArguments();
    assertNotNull(params);
    assertEquals(6, params.size());
    BeanArgument param = params.get(0);
    assertNotNull(param);
    assertEquals(-1, param.getIndex());
    assertNull(param.getValueType());
    assertNotNull(param.getValue());
    assertTrue(param.getValue() instanceof ValueMetadata);
    assertEquals("val0", ((ValueMetadata) param.getValue()).getStringValue());
    assertNull(((ValueMetadata) param.getValue()).getType());
    param = params.get(1);
    assertNotNull(param);
    assertEquals(-1, param.getIndex());
    assertNull(param.getValueType());
    assertNotNull(param.getValue());
    assertTrue(param.getValue() instanceof RefMetadata);
    assertEquals("val1", ((RefMetadata) param.getValue()).getComponentId());
    param = params.get(2);
    assertNotNull(param);
    assertEquals(-1, param.getIndex());
    assertNull(param.getValueType());
    assertNotNull(param.getValue());
    assertTrue(param.getValue() instanceof NullMetadata);
    param = params.get(3);
    assertNotNull(param);
    assertEquals(-1, param.getIndex());
    assertEquals("java.lang.String", param.getValueType());
    assertNotNull(param.getValue());
    assertTrue(param.getValue() instanceof ValueMetadata);
    assertEquals("val3", ((ValueMetadata) param.getValue()).getStringValue());
    assertNull(((ValueMetadata) param.getValue()).getType());
    param = params.get(4);
    assertNotNull(param);
    assertEquals(-1, param.getIndex());
    assertNull(param.getValueType());
    assertNotNull(param.getValue());
    assertTrue(param.getValue() instanceof CollectionMetadata);
    CollectionMetadata array = (CollectionMetadata) param.getValue();
    assertNull(array.getValueType());
    assertNotNull(array.getValues());
    assertEquals(3, array.getValues().size());
    assertTrue(array.getValues().get(0) instanceof ValueMetadata);
    assertTrue(array.getValues().get(1) instanceof ComponentMetadata);
    assertTrue(array.getValues().get(2) instanceof NullMetadata);
    param = params.get(5);
    assertNotNull(param);
    assertEquals(-1, param.getIndex());
    assertNull(param.getValueType());
    assertNotNull(param.getValue());
    assertTrue(param.getValue() instanceof RefMetadata);
    assertEquals("pojoB", ((RefMetadata) param.getValue()).getComponentId());
    assertEquals(null, local.getInitMethod());
    assertEquals(null, local.getDestroyMethod());
    // test pojoB
    ComponentMetadata pojoB = registry.getComponentDefinition("pojoB");
    assertNotNull(pojoB);
    assertEquals("pojoB", pojoB.getId());
    assertTrue(pojoB instanceof BeanMetadata);
    BeanMetadata pojoBLocal = (BeanMetadata) pojoB;
    assertEquals("initPojo", pojoBLocal.getInitMethod());
    //        assertEquals("", pojoBLocal.getDestroyMethod());
    params = pojoBLocal.getArguments();
    assertNotNull(params);
    assertEquals(2, params.size());
    param = params.get(0);
    assertNotNull(param);
    assertEquals(1, param.getIndex());
    param = params.get(1);
    assertNotNull(param);
    assertEquals(0, param.getIndex());
}

Example 4 with RefMetadata

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

the class BlueprintContainerImpl method processTypeConverters.

private void processTypeConverters() throws Exception {
    List<String> typeConverters = new ArrayList<String>();
    for (Target target : componentDefinitionRegistry.getTypeConverters()) {
        if (target instanceof ComponentMetadata) {
            typeConverters.add(((ComponentMetadata) target).getId());
        } else if (target instanceof RefMetadata) {
            typeConverters.add(((RefMetadata) target).getComponentId());
        } else {
            throw new ComponentDefinitionException("Unexpected metadata for type converter: " + target);
        }
    }
    Map<String, Object> objects = repository.createAll(typeConverters, Arrays.<Class<?>>asList(Converter.class));
    for (String name : typeConverters) {
        Object obj = objects.get(name);
        if (obj instanceof Converter) {
            converter.registerConverter((Converter) obj);
        } else {
            throw new ComponentDefinitionException("Type converter " + obj + " does not implement the " + Converter.class.getName() + " interface");
        }
    }
}

Example 5 with RefMetadata

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

the class NSHandlerOne method decorate.

//process attributes
public ComponentMetadata decorate(Node node, ComponentMetadata component, ParserContext context) {
    //and RefMetadata.
    if (component != null && component instanceof MutableBeanMetadata) {
        MutableBeanMetadata mbm = (MutableBeanMetadata) component;
        Attr a = (Attr) node;
        Element bean = a.getOwnerElement();
        String propname = bean.getAttributeNS(NSURI, ATTRIB_ONE);
        //if this were not a test, we might attempt to ensure this ref existed
        String passthruref = bean.getAttributeNS(NSURI, ATTRIB_TWO);
        MutableRefMetadata ref = (MutableRefMetadata) context.createMetadata(RefMetadata.class);
        ref.setComponentId(passthruref);
        mbm.addProperty(propname, ref);
    }
    return component;
}