package org.opendaylight.controller.blueprint.ext;
import com.google.common.base.Strings;
+import java.io.IOException;
import java.io.StringReader;
import java.net.URL;
import java.util.Collections;
import java.util.Set;
-import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.aries.blueprint.ComponentDefinitionRegistry;
import org.apache.aries.blueprint.NamespaceHandler;
import org.apache.aries.blueprint.ParserContext;
-import org.apache.aries.blueprint.ext.ComponentFactoryMetadata;
import org.apache.aries.blueprint.mutable.MutableBeanMetadata;
import org.apache.aries.blueprint.mutable.MutableRefMetadata;
import org.apache.aries.blueprint.mutable.MutableReferenceMetadata;
import org.apache.aries.blueprint.mutable.MutableServiceReferenceMetadata;
import org.apache.aries.blueprint.mutable.MutableValueMetadata;
import org.opendaylight.controller.blueprint.BlueprintContainerRestartService;
-import org.opendaylight.controller.md.sal.binding.api.NotificationService;
-import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.opendaylight.yangtools.util.xml.UntrustedXML;
import org.osgi.service.blueprint.container.ComponentDefinitionException;
import org.osgi.service.blueprint.reflect.BeanMetadata;
import org.osgi.service.blueprint.reflect.ComponentMetadata;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
/**
* The NamespaceHandler for Opendaylight blueprint extensions.
*
* @author Thomas Pantelis
*/
-public class OpendaylightNamespaceHandler implements NamespaceHandler {
+public final class OpendaylightNamespaceHandler implements NamespaceHandler {
public static final String NAMESPACE_1_0_0 = "http://opendaylight.org/xmlns/blueprint/v1.0.0";
static final String ROUTED_RPC_REG_CONVERTER_NAME = "org.opendaylight.blueprint.RoutedRpcRegConverter";
+ static final String DOM_RPC_PROVIDER_SERVICE_NAME = "org.opendaylight.blueprint.DOMRpcProviderService";
static final String RPC_REGISTRY_NAME = "org.opendaylight.blueprint.RpcRegistry";
+ static final String BINDING_RPC_PROVIDER_SERVICE_NAME = "org.opendaylight.blueprint.RpcProviderService";
+ static final String SCHEMA_SERVICE_NAME = "org.opendaylight.blueprint.SchemaService";
static final String NOTIFICATION_SERVICE_NAME = "org.opendaylight.blueprint.NotificationService";
+ static final String TYPE_ATTR = "type";
+ static final String UPDATE_STRATEGY_ATTR = "update-strategy";
private static final Logger LOG = LoggerFactory.getLogger(OpendaylightNamespaceHandler.class);
private static final String COMPONENT_PROCESSOR_NAME = ComponentProcessor.class.getName();
private static final String RESTART_DEPENDENTS_ON_UPDATES = "restart-dependents-on-updates";
private static final String USE_DEFAULT_FOR_REFERENCE_TYPES = "use-default-for-reference-types";
private static final String CLUSTERED_APP_CONFIG = "clustered-app-config";
- private static final String TYPE_ATTR = "type";
private static final String INTERFACE = "interface";
- private static final String REF_ATTR = "ref";
private static final String ID_ATTR = "id";
- private static final String RPC_SERVICE = "rpc-service";
@SuppressWarnings("rawtypes")
@Override
}
@Override
- public URL getSchemaLocation(String namespace) {
- if(NAMESPACE_1_0_0.equals(namespace)) {
+ public URL getSchemaLocation(final String namespace) {
+ if (NAMESPACE_1_0_0.equals(namespace)) {
URL url = getClass().getResource("/opendaylight-blueprint-ext-1.0.0.xsd");
LOG.debug("getSchemaLocation for {} returning URL {}", namespace, url);
return url;
}
@Override
- public Metadata parse(Element element, ParserContext context) {
+ public Metadata parse(final Element element, final ParserContext context) {
LOG.debug("In parse for {}", element);
- if (nodeNameEquals(element, RpcImplementationBean.RPC_IMPLEMENTATION)) {
- return parseRpcImplementation(element, context);
- } else if (nodeNameEquals(element, RoutedRpcMetadata.ROUTED_RPC_IMPLEMENTATION)) {
- return parseRoutedRpcImplementation(element, context);
- } else if (nodeNameEquals(element, RPC_SERVICE)) {
- return parseRpcService(element, context);
- } else if (nodeNameEquals(element, NotificationListenerBean.NOTIFICATION_LISTENER)) {
- return parseNotificationListener(element, context);
- } else if (nodeNameEquals(element, CLUSTERED_APP_CONFIG)) {
+ if (nodeNameEquals(element, CLUSTERED_APP_CONFIG)) {
return parseClusteredAppConfig(element, context);
}
}
@Override
- public ComponentMetadata decorate(Node node, ComponentMetadata component, ParserContext context) {
- if(node instanceof Attr) {
+ public ComponentMetadata decorate(final Node node, final ComponentMetadata component, final ParserContext context) {
+ if (node instanceof Attr) {
if (nodeNameEquals(node, RESTART_DEPENDENTS_ON_UPDATES)) {
- return decorateRestartDependentsOnUpdates((Attr)node, component, context);
+ return decorateRestartDependentsOnUpdates((Attr) node, component, context);
} else if (nodeNameEquals(node, USE_DEFAULT_FOR_REFERENCE_TYPES)) {
- return decorateUseDefaultForReferenceTypes((Attr)node, component, context);
+ return decorateUseDefaultForReferenceTypes((Attr) node, component, context);
} else if (nodeNameEquals(node, TYPE_ATTR)) {
- if(component instanceof ServiceReferenceMetadata) {
- return decorateServiceReferenceType((Attr)node, component, context);
- } else if(component instanceof ServiceMetadata) {
+ if (component instanceof ServiceReferenceMetadata) {
+ return decorateServiceReferenceType((Attr) node, component, context);
+ } else if (component instanceof ServiceMetadata) {
return decorateServiceType((Attr)node, component, context);
}
- throw new ComponentDefinitionException("Attribute " + node.getNodeName() +
- " can only be used on a <reference>, <reference-list> or <service> element");
+ throw new ComponentDefinitionException("Attribute " + node.getNodeName()
+ + " can only be used on a <reference>, <reference-list> or <service> element");
}
throw new ComponentDefinitionException("Unsupported attribute: " + node.getNodeName());
}
}
- private ComponentMetadata decorateServiceType(Attr attr, ComponentMetadata component, ParserContext context) {
- if (!(component instanceof MutableServiceMetadata)) {
+ private static ComponentMetadata decorateServiceType(final Attr attr, final ComponentMetadata component,
+ final ParserContext context) {
+ if (!(component instanceof MutableServiceMetadata service)) {
throw new ComponentDefinitionException("Expected an instanceof MutableServiceMetadata");
}
- MutableServiceMetadata service = (MutableServiceMetadata)component;
-
LOG.debug("decorateServiceType for {} - adding type property {}", service.getId(), attr.getValue());
service.addServiceProperty(createValue(context, TYPE_ATTR), createValue(context, attr.getValue()));
return component;
}
- private ComponentMetadata decorateServiceReferenceType(Attr attr, ComponentMetadata component, ParserContext context) {
+ private static ComponentMetadata decorateServiceReferenceType(final Attr attr, final ComponentMetadata component,
+ final ParserContext context) {
if (!(component instanceof MutableServiceReferenceMetadata)) {
throw new ComponentDefinitionException("Expected an instanceof MutableServiceReferenceMetadata");
}
serviceRef.getExtendedFilter().getStringValue();
String filter;
- if(Strings.isNullOrEmpty(oldFilter)) {
+ if (Strings.isNullOrEmpty(oldFilter)) {
filter = String.format("(type=%s)", attr.getValue());
} else {
filter = String.format("(&(%s)(type=%s))", oldFilter, attr.getValue());
return component;
}
- private static ComponentMetadata decorateRestartDependentsOnUpdates(Attr attr, ComponentMetadata component,
- ParserContext context) {
+ private static ComponentMetadata decorateRestartDependentsOnUpdates(final Attr attr,
+ final ComponentMetadata component, final ParserContext context) {
return enableComponentProcessorProperty(attr, component, context, "restartDependentsOnUpdates");
}
- private static ComponentMetadata decorateUseDefaultForReferenceTypes(Attr attr, ComponentMetadata component,
- ParserContext context) {
+ private static ComponentMetadata decorateUseDefaultForReferenceTypes(final Attr attr,
+ final ComponentMetadata component, final ParserContext context) {
return enableComponentProcessorProperty(attr, component, context, "useDefaultForReferenceTypes");
}
- private static ComponentMetadata enableComponentProcessorProperty(Attr attr, ComponentMetadata component,
- ParserContext context, String propertyName) {
- if(component != null) {
- throw new ComponentDefinitionException("Attribute " + attr.getNodeName() +
- " can only be used on the root <blueprint> element");
+ private static ComponentMetadata enableComponentProcessorProperty(final Attr attr,
+ final ComponentMetadata component, final ParserContext context, final String propertyName) {
+ if (component != null) {
+ throw new ComponentDefinitionException("Attribute " + attr.getNodeName()
+ + " can only be used on the root <blueprint> element");
}
- LOG.debug("{}: {}", propertyName, attr.getValue());
+ LOG.debug("Property {} = {}", propertyName, attr.getValue());
- if(!Boolean.parseBoolean(attr.getValue())) {
+ if (!Boolean.parseBoolean(attr.getValue())) {
return component;
}
return component;
}
- private static MutableBeanMetadata registerComponentProcessor(ParserContext context) {
+ private static MutableBeanMetadata registerComponentProcessor(final ParserContext context) {
ComponentDefinitionRegistry registry = context.getComponentDefinitionRegistry();
MutableBeanMetadata metadata = (MutableBeanMetadata) registry.getComponentDefinition(COMPONENT_PROCESSOR_NAME);
- if(metadata == null) {
- metadata = context.createMetadata(MutableBeanMetadata.class);
+ if (metadata == null) {
+ metadata = createBeanMetadata(context, COMPONENT_PROCESSOR_NAME, ComponentProcessor.class, false, true);
metadata.setProcessor(true);
- metadata.setId(COMPONENT_PROCESSOR_NAME);
- metadata.setActivation(BeanMetadata.ACTIVATION_EAGER);
- metadata.setScope(BeanMetadata.SCOPE_SINGLETON);
- metadata.setRuntimeClass(ComponentProcessor.class);
- metadata.setDestroyMethod("destroy");
- metadata.addProperty("bundle", createRef(context, "blueprintBundle"));
+ addBlueprintBundleRefProperty(context, metadata);
metadata.addProperty("blueprintContainerRestartService", createServiceRef(context,
BlueprintContainerRestartService.class, null));
return metadata;
}
- private Metadata parseRpcImplementation(Element element, ParserContext context) {
- registerRpcRegistryServiceRefBean(context);
-
- MutableBeanMetadata metadata = context.createMetadata(MutableBeanMetadata.class);
- metadata.setId(context.generateId());
- metadata.setScope(BeanMetadata.SCOPE_SINGLETON);
- metadata.setActivation(ReferenceMetadata.ACTIVATION_EAGER);
- metadata.setRuntimeClass(RpcImplementationBean.class);
- metadata.setInitMethod("init");
- metadata.setDestroyMethod("destroy");
- metadata.addProperty("bundle", createRef(context, "blueprintBundle"));
- metadata.addProperty("rpcRegistry", createRef(context, RPC_REGISTRY_NAME));
- metadata.addProperty("implementation", createRef(context, element.getAttribute(REF_ATTR)));
-
- if(element.hasAttribute(INTERFACE)) {
- metadata.addProperty("interfaceName", createValue(context, element.getAttribute(INTERFACE)));
- }
-
- LOG.debug("parseAddRpcImplementation returning {}", metadata);
-
- return metadata;
- }
-
- private Metadata parseRoutedRpcImplementation(Element element, ParserContext context) {
- registerRpcRegistryServiceRefBean(context);
- registerRoutedRpcRegistrationConverter(context);
-
- ComponentFactoryMetadata metadata = new RoutedRpcMetadata(getId(context, element),
- element.getAttribute(INTERFACE), element.getAttribute(REF_ATTR));
-
- LOG.debug("parseRoutedRpcImplementation returning {}", metadata);
-
- return metadata;
- }
-
- private Metadata parseRpcService(Element element, ParserContext context) {
- registerRpcRegistryServiceRefBean(context);
-
- ComponentFactoryMetadata metadata = new RpcServiceMetadata(getId(context, element),
- element.getAttribute(INTERFACE));
-
- LOG.debug("parseRpcService returning {}", metadata);
-
- return metadata;
- }
-
- private void registerRoutedRpcRegistrationConverter(ParserContext context) {
- ComponentDefinitionRegistry registry = context.getComponentDefinitionRegistry();
- if(registry.getComponentDefinition(ROUTED_RPC_REG_CONVERTER_NAME) == null) {
- MutableBeanMetadata metadata = context.createMetadata(MutableBeanMetadata.class);
- metadata.setId(ROUTED_RPC_REG_CONVERTER_NAME);
- metadata.setScope(BeanMetadata.SCOPE_SINGLETON);
- metadata.setActivation(ReferenceMetadata.ACTIVATION_LAZY);
- metadata.setRuntimeClass(RoutedRpcRegistrationConverter.class);
- registry.registerTypeConverter(metadata);
- }
- }
-
- private void registerRpcRegistryServiceRefBean(ParserContext context) {
- ComponentDefinitionRegistry registry = context.getComponentDefinitionRegistry();
- if(registry.getComponentDefinition(RPC_REGISTRY_NAME) == null) {
- MutableReferenceMetadata metadata = createServiceRef(context, RpcProviderRegistry.class, null);
- metadata.setId(RPC_REGISTRY_NAME);
- registry.registerComponentDefinition(metadata);
- }
- }
-
- private Metadata parseNotificationListener(Element element, ParserContext context) {
- registerNotificationServiceRefBean(context);
-
- MutableBeanMetadata metadata = context.createMetadata(MutableBeanMetadata.class);
- metadata.setId(context.generateId());
- metadata.setScope(BeanMetadata.SCOPE_SINGLETON);
- metadata.setActivation(ReferenceMetadata.ACTIVATION_EAGER);
- metadata.setRuntimeClass(NotificationListenerBean.class);
- metadata.setInitMethod("init");
- metadata.setDestroyMethod("destroy");
- metadata.addProperty("bundle", createRef(context, "blueprintBundle"));
- metadata.addProperty("notificationService", createRef(context, NOTIFICATION_SERVICE_NAME));
- metadata.addProperty("notificationListener", createRef(context, element.getAttribute(REF_ATTR)));
-
- LOG.debug("parseNotificationListener returning {}", metadata);
-
- return metadata;
- }
-
- private void registerNotificationServiceRefBean(ParserContext context) {
- ComponentDefinitionRegistry registry = context.getComponentDefinitionRegistry();
- if(registry.getComponentDefinition(NOTIFICATION_SERVICE_NAME) == null) {
- MutableReferenceMetadata metadata = createServiceRef(context, NotificationService.class, null);
- metadata.setId(NOTIFICATION_SERVICE_NAME);
- registry.registerComponentDefinition(metadata);
- }
- }
-
- private Metadata parseClusteredAppConfig(Element element, ParserContext context) {
+ private static Metadata parseClusteredAppConfig(final Element element, final ParserContext context) {
LOG.debug("parseClusteredAppConfig");
// Find the default-config child element representing the default app config XML, if present.
Element defaultConfigElement = null;
NodeList children = element.getChildNodes();
- for(int i = 0; i < children.getLength(); i++) {
+ for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
- if(nodeNameEquals(child, DataStoreAppConfigMetadata.DEFAULT_CONFIG)) {
+ if (nodeNameEquals(child, DataStoreAppConfigMetadata.DEFAULT_CONFIG)) {
defaultConfigElement = (Element) child;
break;
}
}
Element defaultAppConfigElement = null;
- if(defaultConfigElement != null) {
+ if (defaultConfigElement != null) {
// Find the CDATA element containing the default app config XML.
children = defaultConfigElement.getChildNodes();
- for(int i = 0; i < children.getLength(); i++) {
+ for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
- if(child.getNodeType() == Node.CDATA_SECTION_NODE) {
- defaultAppConfigElement = parseXML(DataStoreAppConfigMetadata.DEFAULT_CONFIG, child.getTextContent());
+ if (child.getNodeType() == Node.CDATA_SECTION_NODE) {
+ defaultAppConfigElement = parseXML(DataStoreAppConfigMetadata.DEFAULT_CONFIG,
+ child.getTextContent());
break;
}
}
return new DataStoreAppConfigMetadata(getId(context, element), element.getAttribute(
DataStoreAppConfigMetadata.BINDING_CLASS), element.getAttribute(
- DataStoreAppConfigMetadata.LIST_KEY_VALUE), defaultAppConfigElement);
+ DataStoreAppConfigMetadata.LIST_KEY_VALUE), element.getAttribute(
+ DataStoreAppConfigMetadata.DEFAULT_CONFIG_FILE_NAME), parseUpdateStrategy(
+ element.getAttribute(UPDATE_STRATEGY_ATTR)), defaultAppConfigElement);
}
- private Element parseXML(String name, String xml) {
- DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
- builderFactory.setNamespaceAware(true);
- builderFactory.setCoalescing(true);
- builderFactory.setIgnoringElementContentWhitespace(true);
- builderFactory.setIgnoringComments(true);
+ private static UpdateStrategy parseUpdateStrategy(final String updateStrategyValue) {
+ if (Strings.isNullOrEmpty(updateStrategyValue)
+ || updateStrategyValue.equalsIgnoreCase(UpdateStrategy.RELOAD.name())) {
+ return UpdateStrategy.RELOAD;
+ } else if (updateStrategyValue.equalsIgnoreCase(UpdateStrategy.NONE.name())) {
+ return UpdateStrategy.NONE;
+ } else {
+ LOG.warn("update-strategy {} not supported, using reload", updateStrategyValue);
+ return UpdateStrategy.RELOAD;
+ }
+ }
+ private static Element parseXML(final String name, final String xml) {
try {
- return builderFactory.newDocumentBuilder().parse(new InputSource(new StringReader(xml))).getDocumentElement();
- } catch(Exception e) {
- throw new ComponentDefinitionException(String.format("Error %s parsing XML: %s", name, xml));
+ return UntrustedXML.newDocumentBuilder().parse(new InputSource(new StringReader(xml))).getDocumentElement();
+ } catch (SAXException | IOException e) {
+ throw new ComponentDefinitionException(String.format("Error %s parsing XML: %s", name, xml), e);
}
}
- private static ValueMetadata createValue(ParserContext context, String value) {
- MutableValueMetadata m = context.createMetadata(MutableValueMetadata.class);
- m.setStringValue(value);
- return m;
+ private static ValueMetadata createValue(final ParserContext context, final String value) {
+ MutableValueMetadata metadata = context.createMetadata(MutableValueMetadata.class);
+ metadata.setStringValue(value);
+ return metadata;
}
- private static MutableReferenceMetadata createServiceRef(ParserContext context, Class<?> cls, String filter) {
- MutableReferenceMetadata m = context.createMetadata(MutableReferenceMetadata.class);
- m.setRuntimeInterface(cls);
- m.setInterface(cls.getName());
- m.setActivation(ReferenceMetadata.ACTIVATION_EAGER);
- m.setAvailability(ReferenceMetadata.AVAILABILITY_MANDATORY);
+ private static MutableReferenceMetadata createServiceRef(final ParserContext context, final Class<?> cls,
+ final String filter) {
+ MutableReferenceMetadata metadata = context.createMetadata(MutableReferenceMetadata.class);
+ metadata.setRuntimeInterface(cls);
+ metadata.setInterface(cls.getName());
+ metadata.setActivation(ReferenceMetadata.ACTIVATION_EAGER);
+ metadata.setAvailability(ReferenceMetadata.AVAILABILITY_MANDATORY);
- if(filter != null) {
- m.setFilter(filter);
+ if (filter != null) {
+ metadata.setFilter(filter);
}
- return m;
+ return metadata;
}
- private static RefMetadata createRef(ParserContext context, String id) {
+ private static RefMetadata createRef(final ParserContext context, final String id) {
MutableRefMetadata metadata = context.createMetadata(MutableRefMetadata.class);
metadata.setComponentId(id);
return metadata;
}
- private static String getId(ParserContext context, Element element) {
- if(element.hasAttribute(ID_ATTR)) {
+ private static String getId(final ParserContext context, final Element element) {
+ if (element.hasAttribute(ID_ATTR)) {
return element.getAttribute(ID_ATTR);
} else {
return context.generateId();
}
}
- private static boolean nodeNameEquals(Node node, String name) {
+ private static boolean nodeNameEquals(final Node node, final String name) {
return name.equals(node.getNodeName()) || name.equals(node.getLocalName());
}
+
+ private static void addBlueprintBundleRefProperty(final ParserContext context, final MutableBeanMetadata metadata) {
+ metadata.addProperty("bundle", createRef(context, "blueprintBundle"));
+ }
+
+ private static MutableBeanMetadata createBeanMetadata(final ParserContext context, final String id,
+ final Class<?> runtimeClass, final boolean initMethod, final boolean destroyMethod) {
+ MutableBeanMetadata metadata = context.createMetadata(MutableBeanMetadata.class);
+ metadata.setId(id);
+ metadata.setScope(BeanMetadata.SCOPE_SINGLETON);
+ metadata.setActivation(ReferenceMetadata.ACTIVATION_EAGER);
+ metadata.setRuntimeClass(runtimeClass);
+
+ if (initMethod) {
+ metadata.setInitMethod("init");
+ }
+
+ if (destroyMethod) {
+ metadata.setDestroyMethod("destroy");
+ }
+
+ return metadata;
+ }
}