[jboss-osgi-commits] JBoss-OSGI SVN: r90405 - in projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint: extender and 1 other directories.

Author: thomas.diesler(a)jboss.com Date: 2009-06-18 06:11:14 -0400 (Thu, 18 Jun 2009) New Revision: 90405 Added: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/AbstractManager.java projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BeanManager.java projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceManager.java projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceReferenceManager.java Removed: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/reflect/ComponentFactory.java Modified: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BlueprintContainerImpl.java projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/extender/BlueprintExtender.java projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/reflect/BlueprintMetadata.java Log: Add BP managers Added: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/AbstractManager.java =================================================================== --- projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/AbstractManager.java (rev 0) +++ projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/AbstractManager.java 2009-06-18 10:11:14 UTC (rev 90405) @@ -0,0 +1,94 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2005, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.jboss.osgi.blueprint.container; + +//$Id$ + +import org.osgi.framework.BundleContext; +import org.osgi.service.blueprint.reflect.BeanMetadata; +import org.osgi.service.blueprint.reflect.ComponentMetadata; +import org.osgi.service.blueprint.reflect.ServiceMetadata; +import org.osgi.service.blueprint.reflect.ServiceReferenceMetadata; + +/** + * For each of the ComponentMetadata objects, the Blueprint Container has a + * corresponding component manager. For example, a BeanMetadata object + * relates to a Bean Manager. There are the following types of managers: + * + * • Bean Managers – Can provide general objects that are properly configured + * • Service Managers – Can register services + * • Service Reference Managers – Provide proxies to one or more services. + * • Environment Managers – Holding environment values like the Blueprint Bundle object + * + * @author thomas.diesler(a)jboss.com + * @since 17-Jun-2009 + */ +public abstract class AbstractManager +{ + protected BundleContext context; + private ComponentMetadata component; + + public AbstractManager(BundleContext context, ComponentMetadata component) + { + this.context = context; + this.component = component; + } + + public String getId() + { + return component.getId(); + } + + public ComponentMetadata getComponentMetadata() + { + return component; + } + + public void activate() + { + // do nothing + } + + public void shutdown() + { + // do nothing + } + + static AbstractManager createManager(BundleContext context, ComponentMetadata comp) + { + AbstractManager manager = null; + + if (comp instanceof BeanMetadata) + manager = new BeanManager(context, (BeanMetadata)comp); + + else if (comp instanceof ServiceMetadata) + manager = new ServiceManager(context, (ServiceMetadata)comp); + + else if (comp instanceof ServiceReferenceMetadata) + manager = new ServiceReferenceManager(context, (ServiceReferenceMetadata)comp); + + if (manager == null) + throw new IllegalArgumentException("Unsupported component type: " + comp); + + return manager; + } +} \ No newline at end of file Property changes on: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/AbstractManager.java ___________________________________________________________________ Name: svn:keywords + Id Revision Name: svn:eol-style + LF Added: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BeanManager.java =================================================================== --- projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BeanManager.java (rev 0) +++ projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BeanManager.java 2009-06-18 10:11:14 UTC (rev 90405) @@ -0,0 +1,58 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2005, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.jboss.osgi.blueprint.container; + +//$Id$ + +import org.osgi.framework.BundleContext; +import org.osgi.service.blueprint.reflect.BeanMetadata; + +/** + * A bean manager provides regular Java objects as component + * instances. It has the following features: + * + * • Construction via class name, static factory method, or a factory + * method on a target. A target is a reference to a top level or inlined, + * manager of type bean or service reference, or a referral to a top level + * manager. + * + * • Can have arguments for a constructor or factory method. + * + * • Has properties that are configured. + * + * • Manages a singleton or creates objects on demand depending on its scope. + * + * • Life cycle callbacks for end of initialization and destruction. + * + * @author thomas.diesler(a)jboss.com + * @since 17-Jun-2009 + */ +public class BeanManager extends AbstractManager +{ + private BeanMetadata beanMetadata; + + public BeanManager(BundleContext context, BeanMetadata beanMetadata) + { + super(context, beanMetadata); + this.beanMetadata = beanMetadata; + } +} \ No newline at end of file Property changes on: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BeanManager.java ___________________________________________________________________ Name: svn:keywords + Id Revision Name: svn:eol-style + LF Modified: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BlueprintContainerImpl.java =================================================================== --- projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BlueprintContainerImpl.java 2009-06-18 09:51:05 UTC (rev 90404) +++ projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/BlueprintContainerImpl.java 2009-06-18 10:11:14 UTC (rev 90405) @@ -23,7 +23,12 @@ //$Id: BlueprintContextImpl.java 90313 2009-06-17 10:37:51Z thomas.diesler(a)jboss.com $ +import java.util.ArrayList; import java.util.Collection; +import java.util.Collections; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; import java.util.Properties; import java.util.Set; @@ -34,6 +39,7 @@ import org.osgi.framework.BundleContext; import org.osgi.framework.Constants; import org.osgi.service.blueprint.container.BlueprintContainer; +import org.osgi.service.blueprint.container.NoSuchComponentException; import org.osgi.service.blueprint.reflect.ComponentMetadata; /** @@ -68,7 +74,7 @@ private BundleContext context; private Bundle bundle; - private BlueprintMetadata bpMetadata; + private Map<String, AbstractManager> managers = new LinkedHashMap<String, AbstractManager>(); public BlueprintContainerImpl(BundleContext context, Bundle bundle) { @@ -78,13 +84,35 @@ public void initialize() { - BlueprintParser bpParser = new BlueprintParser(context); - bpMetadata = bpParser.getBlueprintMetadata(bundle); - bpMetadata.initialize(); + // The Blueprint Container parses the definitions into metadata objects. + BlueprintMetadata bpMetadata = getBlueprintMetadata(); + // For each of the ComponentMetadata objects, the Blueprint Container + // has a corresponding component manager. + createManagers(bpMetadata); + + // If the Blueprint Container has successfully activated the eager managers, it + // will register a Blueprint Container service. registerBlueprintContainerService(); } + /* + * When the Blueprint Container must be destroyed because the Blueprint + * bundle has stopped, there is a failure, or the Blueprint extender is stopped, + * then the Blueprint Container service is unregistered and all managers are + * deactivated. This will unregister any services and listeners, which release + * the component instances. Then all component instances are destroyed in + * reverse dependency order. That is, a component instance is destroyed when + * no other component instances depends on it. + */ + public void shutdown() + { + for (AbstractManager manager : managers.values()) + { + manager.shutdown(); + } + } + public BundleContext getBundleContext() { return bundle.getBundleContext(); @@ -97,17 +125,29 @@ public Set<String> getComponentIds() { - return bpMetadata.getComponentIds(); + return Collections.unmodifiableSet(managers.keySet()); } public ComponentMetadata getComponentMetadata(String name) { - return bpMetadata.getComponentMetadata(name); + AbstractManager manager = managers.get(name); + if (manager == null) + throw new NoSuchComponentException(name); + + return manager.getComponentMetadata(); } + @SuppressWarnings("unchecked") public <T extends ComponentMetadata> Collection<T> getMetadata(Class<T> type) { - return bpMetadata.getMetadata(type); + List<T> compMetadata = new ArrayList<T>(); + for (AbstractManager manager : managers.values()) + { + ComponentMetadata comp = manager.getComponentMetadata(); + if (type.isAssignableFrom(comp.getClass())) + compMetadata.add((T)comp); + } + return Collections.unmodifiableList(compMetadata); } public Object getComponentInstance(String id) @@ -125,4 +165,21 @@ props.setProperty(PROPERTY_BLUEPRINT_BUNDLE_VERSION, version); context.registerService(BlueprintContainer.class.getName(), this, props); } + + private void createManagers(BlueprintMetadata bpMetadata) + { + for (ComponentMetadata comp : bpMetadata.getComponents()) + { + AbstractManager manager = AbstractManager.createManager(context, comp); + managers.put(manager.getId(), manager); + } + } + + private BlueprintMetadata getBlueprintMetadata() + { + BlueprintParser bpParser = new BlueprintParser(context); + BlueprintMetadata bpMetadata = bpParser.getBlueprintMetadata(bundle); + bpMetadata.initialize(); + return bpMetadata; + } } \ No newline at end of file Added: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceManager.java =================================================================== --- projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceManager.java (rev 0) +++ projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceManager.java 2009-06-18 10:11:14 UTC (rev 90405) @@ -0,0 +1,48 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2005, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.jboss.osgi.blueprint.container; + +//$Id$ + +import org.osgi.framework.BundleContext; +import org.osgi.service.blueprint.reflect.ServiceMetadata; + +/** + * Service managers maintain the registration of an OSGi service + * object. Service managers provide a proxied ServiceRegistration object. + * + * A service manager is enabled if all the mandatory service references in its + * dependencies are satisfied. + * + * @author thomas.diesler(a)jboss.com + * @since 17-Jun-2009 + */ +public class ServiceManager extends AbstractManager +{ + private ServiceMetadata serviceMetadata; + + public ServiceManager(BundleContext context, ServiceMetadata serviceMetadata) + { + super(context, serviceMetadata); + this.serviceMetadata = serviceMetadata; + } +} \ No newline at end of file Property changes on: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceManager.java ___________________________________________________________________ Name: svn:keywords + Id Revision Name: svn:eol-style + LF Added: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceReferenceManager.java =================================================================== --- projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceReferenceManager.java (rev 0) +++ projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceReferenceManager.java 2009-06-18 10:11:14 UTC (rev 90405) @@ -0,0 +1,49 @@ +/* + * JBoss, Home of Professional Open Source + * Copyright 2005, JBoss Inc., and individual contributors as indicated + * by the @authors tag. See the copyright.txt in the distribution for a + * full listing of individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ +package org.jboss.osgi.blueprint.container; + +//$Id$ + +import org.osgi.framework.BundleContext; +import org.osgi.service.blueprint.reflect.ServiceReferenceMetadata; + +/** + * Reference managers track a service in the OSGi service registry. + * When activated, they provide a ServiceReference object or a proxy + * to a service object. + * + * A reference is satisfied when its selection matches a service in the + * registry. + * + * @author thomas.diesler(a)jboss.com + * @since 17-Jun-2009 + */ +public class ServiceReferenceManager extends AbstractManager +{ + private ServiceReferenceMetadata srefMetadata; + + public ServiceReferenceManager(BundleContext context, ServiceReferenceMetadata srefMetadata) + { + super(context, srefMetadata); + this.srefMetadata = srefMetadata; + } +} \ No newline at end of file Property changes on: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/container/ServiceReferenceManager.java ___________________________________________________________________ Name: svn:keywords + Id Revision Name: svn:eol-style + LF Modified: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/extender/BlueprintExtender.java =================================================================== --- projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/extender/BlueprintExtender.java 2009-06-18 09:51:05 UTC (rev 90404) +++ projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/extender/BlueprintExtender.java 2009-06-18 10:11:14 UTC (rev 90405) @@ -23,12 +23,19 @@ //$Id$ +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; import java.util.Enumeration; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; import org.jboss.osgi.blueprint.container.BlueprintContainerImpl; import org.osgi.framework.Bundle; import org.osgi.framework.BundleContext; import org.osgi.framework.BundleEvent; +import org.osgi.framework.Constants; import org.osgi.framework.SynchronousBundleListener; /** @@ -40,6 +47,7 @@ public class BlueprintExtender implements SynchronousBundleListener { private BundleContext context; + private Map<String, BlueprintContainerImpl> containers = new LinkedHashMap<String, BlueprintContainerImpl>(); public BlueprintExtender(BundleContext context) { @@ -50,27 +58,38 @@ public void bundleChanged(BundleEvent event) { Bundle bundle = event.getBundle(); + String key = getBundleKey(bundle); + int eventType = event.getType(); - boolean hasBlueprintMetadata = false; - - if (event.getType() == BundleEvent.STARTING) + if (eventType == BundleEvent.STARTING) { // If a Bundle-Blueprint manifest header is defined, then this header contains a list of paths. // If this header is not defined, then resources ending in .xml in the bundle’s // OSGI-INF/blueprint directory must be used. These are the resources that // would be found by calling the Bundle findEntries("OSGI-INF/blueprint", "*.xml", false) method. + + boolean hasBlueprintMetadata = false; String descriptorPaths = (String)bundle.getHeaders().get(BlueprintContainerImpl.HEADER_BUNDLE_BLUEPRINT); hasBlueprintMetadata = (descriptorPaths != null); Enumeration foundEntries = bundle.findEntries("OSGI-INF/blueprint", "*.xml", false); hasBlueprintMetadata |= (foundEntries != null); + + if (hasBlueprintMetadata == true) + { + BlueprintContainerImpl container = new BlueprintContainerImpl(context, bundle); + container.initialize(); + + containers.put(key, container); + } } - - if (hasBlueprintMetadata == true) + + else if (eventType == BundleEvent.STOPPED) { - BlueprintContainerImpl bpContainer = new BlueprintContainerImpl(context, bundle); - bpContainer.initialize(); + BlueprintContainerImpl container = containers.remove(key); + if (container != null) + container.shutdown(); } } @@ -79,6 +98,18 @@ */ public void stop() { - // currently does nothing + Collection<BlueprintContainerImpl> values = containers.values(); + List<BlueprintContainerImpl> list = new ArrayList<BlueprintContainerImpl>(values); + Collections.reverse(list); + + for (BlueprintContainerImpl container : list) + container.shutdown(); } + + private String getBundleKey(Bundle bundle) + { + String symbolicName = bundle.getSymbolicName(); + String version = (String)bundle.getHeaders().get(Constants.BUNDLE_VERSION); + return symbolicName + "-" + version; + } } \ No newline at end of file Modified: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/reflect/BlueprintMetadata.java =================================================================== --- projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/reflect/BlueprintMetadata.java 2009-06-18 09:51:05 UTC (rev 90404) +++ projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/reflect/BlueprintMetadata.java 2009-06-18 10:11:14 UTC (rev 90405) @@ -24,18 +24,18 @@ // $Id$ import java.util.ArrayList; -import java.util.Collection; import java.util.Collections; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; -import java.util.Set; +import org.jboss.osgi.blueprint.parser.xb.TBean; import org.jboss.osgi.blueprint.parser.xb.TBlueprint; import org.jboss.osgi.blueprint.parser.xb.TComponent; +import org.jboss.osgi.blueprint.parser.xb.TService; +import org.jboss.osgi.blueprint.parser.xb.TServiceReference; import org.jboss.osgi.spi.NotImplementedException; import org.osgi.framework.BundleContext; -import org.osgi.service.blueprint.container.NoSuchComponentException; import org.osgi.service.blueprint.reflect.ComponentMetadata; /** @@ -66,40 +66,19 @@ public void initialize() { - ComponentFactory factory = new ComponentFactory(context); for (TComponent tComp : tBlueprint.getComponents()) { - ComponentMetadata comp = factory.newComponent(tComp); + ComponentMetadata comp = createComponent(tComp); components.put(comp.getId(), comp); } } - public Set<String> getComponentIds() + public List<ComponentMetadata> getComponents() { - return Collections.unmodifiableSet(components.keySet()); + ArrayList<ComponentMetadata> list = new ArrayList<ComponentMetadata>(components.values()); + return Collections.unmodifiableList(list); } - public ComponentMetadata getComponentMetadata(String name) - { - ComponentMetadata compMetadata = components.get(name); - if (compMetadata == null) - throw new NoSuchComponentException(name); - - return compMetadata; - } - - @SuppressWarnings("unchecked") - public <T extends ComponentMetadata> Collection<T> getMetadata(Class<T> type) - { - List<T> compMetadata = new ArrayList<T>(); - for (ComponentMetadata comp : components.values()) - { - if (type.isAssignableFrom(comp.getClass())) - compMetadata.add((T)comp); - } - return Collections.unmodifiableList(compMetadata); - } - // Merge this Blueprint meta data with the given other, which may be null. public BlueprintMetadata merge(BlueprintMetadata other) { @@ -108,4 +87,26 @@ throw new NotImplementedException("Blueprint metadata merge not yet implemented"); } + + private ComponentMetadata createComponent(TComponent tComp) + { + ComponentMetadata comp = null; + + if (tComp.getId() == null) + tComp.setId(".anonymousId#" + (components.size() + 1)); + + if (tComp instanceof TBean) + comp = new BeanMetadataImpl(context, (TBean)tComp); + + else if (tComp instanceof TService) + comp = new ServiceMetadataImpl(context, (TService)tComp); + + else if (tComp instanceof TServiceReference) + comp = new ServiceReferenceMetadataImpl(context, (TServiceReference)tComp); + + if (comp == null) + throw new IllegalArgumentException("Unsupported component type: " + tComp); + + return comp; + } } Deleted: projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/reflect/ComponentFactory.java =================================================================== --- projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/reflect/ComponentFactory.java 2009-06-18 09:51:05 UTC (rev 90404) +++ projects/jboss-osgi/trunk/blueprint/impl/src/main/java/org/jboss/osgi/blueprint/reflect/ComponentFactory.java 2009-06-18 10:11:14 UTC (rev 90405) @@ -1,88 +0,0 @@ -/* - * JBoss, Home of Professional Open Source - * Copyright 2005, JBoss Inc., and individual contributors as indicated - * by the @authors tag. See the copyright.txt in the distribution for a - * full listing of individual contributors. - * - * This is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this software; if not, write to the Free - * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA, or see the FSF site: http://www.fsf.org. - */ -package org.jboss.osgi.blueprint.reflect; - -// $Id$ - -import org.jboss.osgi.blueprint.parser.xb.TBean; -import org.jboss.osgi.blueprint.parser.xb.TComponent; -import org.jboss.osgi.blueprint.parser.xb.TService; -import org.jboss.osgi.blueprint.parser.xb.TServiceReference; -import org.osgi.framework.BundleContext; -import org.osgi.service.blueprint.reflect.BeanMetadata; -import org.osgi.service.blueprint.reflect.ComponentMetadata; -import org.osgi.service.blueprint.reflect.ServiceMetadata; -import org.osgi.service.blueprint.reflect.ServiceReferenceMetadata; - -/** - * A factory for blueprint metadata objects - * - * @author thomas.diesler(a)jboss.com - * @since 18-Jun-2009 - */ -class ComponentFactory -{ - private BundleContext context; - private int anonymousID; - - ComponentFactory(BundleContext context) - { - this.context = context; - } - - ComponentMetadata newComponent(TComponent tComp) - { - ComponentMetadata comp; - - if (tComp.getId() == null) - tComp.setId(".anonymousId#" + (++anonymousID)); - - if (tComp instanceof TBean) - comp = newBeanMetadata((TBean)tComp); - - else if (tComp instanceof TService) - comp = newServiceMetadata((TService)tComp); - - else if (tComp instanceof TServiceReference) - comp = newServiceReferenceMetadata((TServiceReference)tComp); - - else - throw new IllegalArgumentException("Unsupported component type: " + tComp); - - return comp; - } - - private BeanMetadata newBeanMetadata(TBean tComp) - { - return new BeanMetadataImpl(context, tComp); - } - - private ServiceMetadata newServiceMetadata(TService tComp) - { - return new ServiceMetadataImpl(context, tComp); - } - - private ServiceReferenceMetadata newServiceReferenceMetadata(TServiceReference tComp) - { - return new ServiceReferenceMetadataImpl(context, tComp); - } -}