diff options
Diffstat (limited to 'sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl')
7 files changed, 859 insertions, 0 deletions
diff --git a/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/Discovery.java b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/Discovery.java new file mode 100644 index 0000000000..ba3392795a --- /dev/null +++ b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/Discovery.java @@ -0,0 +1,98 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.spi.implementation.impl; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.net.URL; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Enumeration; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.core.util.IOHelper; + +public class Discovery { + + /** + * Read the service name from a configuration file + * + * @param classLoader + * @param name The name of the service class + * @return A class name which extends/implements the service class + * @throws IOException + */ + private static Set<String> getServiceNames(ClassLoader classLoader, String name) throws IOException { + Set<String> set = new HashSet<String>(); + Enumeration<URL> urls = classLoader.getResources("META-INF/services/" + name); + while (urls.hasMoreElements()) { + URL url = urls.nextElement(); + Set<String> service = getServiceNames(url); + if (service != null) { + set.addAll(service); + + } + } + return set; + } + + private static Set<String> getServiceNames(URL url) throws IOException { + Set<String> names = new HashSet<String>(); + InputStream is = IOHelper.getInputStream(url); + BufferedReader reader = null; + try { + reader = new BufferedReader(new InputStreamReader(is)); + while (true) { + String line = reader.readLine(); + if (line == null) { + break; + } + line = line.trim(); + if (!line.startsWith("#") && !"".equals(line)) { + names.add(line.trim()); + } + } + } finally { + if (reader != null) { + reader.close(); + } + } + return names; + } + + public static <T> Collection<T> getInstances(final ClassLoader classLoader, Class<T> serviceClass) { + List<T> instances = new ArrayList<T>(); + try { + Set<String> services = getServiceNames(classLoader, serviceClass.getName()); + for (String className : services) { + Class cls = Class.forName(className, true, classLoader); + instances.add(serviceClass.cast(cls.newInstance())); // NOPMD + } + } catch (Exception e) { + throw new IllegalStateException(e); + } + return instances; + } + +} diff --git a/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplAtomicComponent.java b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplAtomicComponent.java new file mode 100644 index 0000000000..a6bd04baad --- /dev/null +++ b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplAtomicComponent.java @@ -0,0 +1,155 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.spi.implementation.impl; + +import java.net.URI; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import org.apache.tuscany.assembly.ComponentProperty; +import org.apache.tuscany.assembly.Implementation; +import org.apache.tuscany.core.component.ComponentContextImpl; +import org.apache.tuscany.core.component.ComponentContextProvider; +import org.apache.tuscany.core.component.ServiceReferenceImpl; +import org.apache.tuscany.core.component.scope.InstanceWrapperBase; +import org.apache.tuscany.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.interfacedef.Operation; +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.apache.tuscany.spi.SingletonObjectFactory; +import org.apache.tuscany.spi.component.InstanceWrapper; +import org.apache.tuscany.spi.component.TargetInvokerCreationException; +import org.apache.tuscany.spi.component.TargetResolutionException; +import org.apache.tuscany.spi.extension.AtomicComponentExtension; +import org.apache.tuscany.spi.implementation.ImplementationActivator; +import org.apache.tuscany.spi.implementation.Invoker; +import org.apache.tuscany.spi.wire.TargetInvoker; +import org.apache.tuscany.spi.wire.Wire; +import org.osoa.sca.CallableReference; +import org.osoa.sca.ComponentContext; +import org.osoa.sca.ServiceReference; + +public class ImplAtomicComponent extends AtomicComponentExtension implements ComponentContextProvider { + + private ComponentContext componentContext; + private ImplementationActivator ia; + private Implementation impl; + + private Map<String, Object> references; + private Map<String, ObjectFactory<?>> propertyValueFactories; + + private PropertyValueObjectFactory propertyValueObjectFactory = null; + private DataBindingExtensionPoint dataBindingRegistry; + + public ImplAtomicComponent(URI uri, URI groupId, ImplementationActivator ia, Implementation impl) { + super(uri, null, null, groupId, 50); + this.ia = ia; + this.componentContext = new ComponentContextImpl(this); + this.impl = impl; + references = new HashMap<String, Object>(); + propertyValueFactories = new HashMap<String, ObjectFactory<?>>(); + } + + public Object createInstance() throws ObjectCreationException { + Map<String, Object> properties = new HashMap<String, Object>(); + for (String propertyName : propertyValueFactories.keySet()) { + ObjectFactory<?> propertyValueFactory = propertyValueFactories.get(propertyName); + if ( propertyValueFactory != null) { + properties.put(propertyName, propertyValueFactory.getInstance()); + } + } + return ia.getInvokerFactory(impl).getInstance(references, properties); + } + + public InstanceWrapper createInstanceWrapper() throws ObjectCreationException { + return new InstanceWrapperBase(createInstance()); + } + + public void attachCallbackWire(Wire arg0) { + } + + public void attachWire(Wire wire) { + references.put(wire.getSourceUri().getFragment(), createWireProxy(wire)); + } + + protected Object createWireProxy(Wire wire) { + // TODO: this is completly wrong :) Need to create a proxy wraping the wire + Object ref; + try { + ref = wire.getTargetInstance(); + } catch (TargetResolutionException e) { + throw new RuntimeException(e); + } + return ref; + } + + public void attachWires(List<Wire> arg0) { + } + + public List<Wire> getWires(String arg0) { + return null; + } + + public TargetInvoker createTargetInvoker(String targetName, final Operation operation, boolean callback) + throws TargetInvokerCreationException { + Invoker invoker = ia.getInvokerFactory(impl).createInvoker(operation); + return new ImplTargetInvoker(invoker, this, scopeContainer, workContext); + } + + @Override + public ComponentContext getComponentContext() { + return componentContext; + } + + public <B, R extends CallableReference<B>> R cast(B target) { + return null; + } + + public <B> B getProperty(Class<B> type, String propertyName) { + return null; + } + + public <B> B getService(Class<B> businessInterface, String referenceName) { + return null; + } + + public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String referenceName) { + return new ServiceReferenceImpl<B>(businessInterface, new SingletonObjectFactory<B>((B)createInstance())); + } + public void setDataBindingRegistry(DataBindingExtensionPoint dataBindingRegistry) { + this.dataBindingRegistry = dataBindingRegistry; + } + + public void setPropertyValueObjectFactory(PropertyValueObjectFactory propertyValueObjectFactory) { + this.propertyValueObjectFactory = propertyValueObjectFactory; + } + + public void initializePropertyValueFactories(List<ComponentProperty> properties) { + ObjectFactory<?> propertyObjectFactory = null; + + for (ComponentProperty aProperty : properties) { + if (aProperty.getValue() != null) { + propertyObjectFactory = propertyValueObjectFactory.createValueFactory(aProperty); + propertyValueFactories.put(aProperty.getName(), propertyObjectFactory); + } + } + } +} diff --git a/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplTargetInvoker.java b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplTargetInvoker.java new file mode 100644 index 0000000000..d734f6e060 --- /dev/null +++ b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplTargetInvoker.java @@ -0,0 +1,123 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.spi.implementation.impl; + +import java.lang.reflect.InvocationTargetException; + +import org.apache.tuscany.spi.Scope; +import org.apache.tuscany.spi.component.ComponentException; +import org.apache.tuscany.spi.component.InstanceWrapper; +import org.apache.tuscany.spi.component.InvalidConversationSequenceException; +import org.apache.tuscany.spi.component.ScopeContainer; +import org.apache.tuscany.spi.component.TargetException; +import org.apache.tuscany.spi.component.WorkContext; +import org.apache.tuscany.spi.extension.TargetInvokerExtension; +import org.apache.tuscany.spi.implementation.Invoker; + +/** + * Perform the actual script invocation + * TODO: move vertually all of this to SPI TargetInvokerExtension + */ +@SuppressWarnings("deprecation") +public class ImplTargetInvoker<T> extends TargetInvokerExtension { + + protected Object clazz; + protected Invoker invoker; + + private final ImplAtomicComponent component; + private final ScopeContainer scopeContainer; + protected InstanceWrapper<T> target; + protected boolean stateless; + + public ImplTargetInvoker(Invoker invoker, + ImplAtomicComponent component, + ScopeContainer scopeContainer, + WorkContext workContext) { + + this.invoker = invoker; + this.component = component; + this.scopeContainer = scopeContainer; + stateless = Scope.STATELESS == scopeContainer.getScope(); + + // TODO: support script classes + } + + @SuppressWarnings("unchecked") + public Object invokeTarget(Object payload, short sequence, WorkContext workContext) throws InvocationTargetException { + Object contextId = workContext.getIdentifier(scopeContainer.getScope()); + try { + + InstanceWrapper<T> wrapper = getInstance(sequence, contextId); + Object instance = wrapper.getInstance(); + + Object ret = invoker.invoke(instance, (Object[])payload); + + scopeContainer.returnWrapper(component, wrapper, contextId); + if (sequence == END) { + // if end conversation, remove resource + scopeContainer.remove(component); + } + + return ret; + + } catch (ComponentException e) { + throw new InvocationTargetException(e); + } + } + + @SuppressWarnings("unchecked") + @Override + public ImplTargetInvoker clone() throws CloneNotSupportedException { + try { + ImplTargetInvoker invoker = (ImplTargetInvoker)super.clone(); + invoker.target = null; + return invoker; + } catch (CloneNotSupportedException e) { + return null; // will not happen + } + } + + /** + * Resolves the target service instance or returns a cached one + */ + @SuppressWarnings("unchecked") + protected InstanceWrapper<T> getInstance(short sequence, Object contextId) throws TargetException { + switch (sequence) { + case NONE: + if (cacheable) { + if (target == null) { + target = scopeContainer.getWrapper(component, contextId); + } + return target; + } else { + return scopeContainer.getWrapper(component, contextId); + } + case START: + assert !cacheable; + return scopeContainer.getWrapper(component, contextId); + case CONTINUE: + case END: + assert !cacheable; + return scopeContainer.getAssociatedWrapper(component, contextId); + default: + throw new InvalidConversationSequenceException("Unknown sequence type", String.valueOf(sequence)); + } + } +} diff --git a/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationArtifactProcessor.java b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationArtifactProcessor.java new file mode 100644 index 0000000000..aa72aeed50 --- /dev/null +++ b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationArtifactProcessor.java @@ -0,0 +1,114 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.spi.implementation.impl; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.assembly.ComponentType; +import org.apache.tuscany.assembly.Implementation; +import org.apache.tuscany.assembly.Property; +import org.apache.tuscany.assembly.Reference; +import org.apache.tuscany.assembly.Service; +import org.apache.tuscany.assembly.impl.DefaultAssemblyFactory; +import org.apache.tuscany.contribution.processor.StAXArtifactProcessorExtension; +import org.apache.tuscany.contribution.resolver.ArtifactResolver; +import org.apache.tuscany.contribution.service.ContributionReadException; +import org.apache.tuscany.contribution.service.ContributionResolveException; +import org.apache.tuscany.contribution.service.ContributionWireException; +import org.apache.tuscany.contribution.service.ContributionWriteException; +import org.apache.tuscany.spi.implementation.ImplementationActivator; + +public class ImplementationArtifactProcessor implements StAXArtifactProcessorExtension { + + private ImplementationActivator ia; + + public ImplementationArtifactProcessor(ImplementationActivator ia) { + this.ia = ia; + } + + public QName getArtifactType() { + return ia.getModelQName(); + } + + public Object read(XMLStreamReader reader) throws ContributionReadException { + // Read an <implementation.crud> element + try { + + Implementation implementation = (Implementation)ia.getImplementationClass().newInstance(); + ia.getSCDLProcessor().read(implementation, reader); + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && ia.getModelQName().equals(reader.getName())) { + break; + } + } + + return implementation; + + } catch (XMLStreamException e) { + throw new ContributionReadException(e); + } catch (InstantiationException e) { + throw new ContributionReadException(e); + } catch (IllegalAccessException e) { + throw new ContributionReadException(e); + } + } + + public void write(Object arg0, XMLStreamWriter arg1) throws ContributionWriteException { + } + + public Class getModelType() { + return ia.getImplementationClass(); + } + + public void resolve(Object arg0, ArtifactResolver resolver) throws ContributionResolveException { + ClassLoader cl = Thread.currentThread().getContextClassLoader(); + Implementation impl = (Implementation)arg0; + String scriptURI = cl.getResource(((Implementation)arg0).getURI()).toString(); + int lastDot = scriptURI.lastIndexOf('.'); + String ctURI = scriptURI.substring(0, lastDot) + ".componentType"; + ComponentType componentType = new DefaultAssemblyFactory().createComponentType(); + componentType.setUnresolved(true); + componentType.setURI(ctURI); + componentType = resolver.resolve(ComponentType.class, componentType); + if (componentType.isUnresolved()) { + throw new ContributionResolveException("missing .componentType side file"); + } + for (Reference reference : componentType.getReferences()) { + impl.getReferences().add(reference); + } + for (Service service : componentType.getServices()) { + impl.getServices().add(service); + } + for (Property property : componentType.getProperties()) { + impl.getProperties().add(property); + } + } + + public void wire(Object arg0) throws ContributionWireException { + } + +} diff --git a/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationBuilder.java b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationBuilder.java new file mode 100644 index 0000000000..e081284e8b --- /dev/null +++ b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationBuilder.java @@ -0,0 +1,65 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.spi.implementation.impl; + +import java.net.URI; + +import org.apache.tuscany.spi.builder.BuilderConfigException; +import org.apache.tuscany.spi.component.AtomicComponent; +import org.apache.tuscany.assembly.Component; +import org.apache.tuscany.assembly.Implementation; +import org.apache.tuscany.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentBuilderExtension; +import org.apache.tuscany.spi.implementation.ImplementationActivator; + +public class ImplementationBuilder extends ComponentBuilderExtension { + + private ImplementationActivator ia; + private PropertyValueObjectFactory propertyValueObjectFactory; + private DataBindingExtensionPoint dataBindingRegistry; + + public ImplementationBuilder(ImplementationActivator ia) { + this.ia = ia; + } + + @Override + protected Class getImplementationType() { + return ia.getImplementationClass(); + } + + public AtomicComponent build(Component definition, DeploymentContext context) throws BuilderConfigException { + URI uri = URI.create(context.getComponentId() + definition.getName()); + Implementation impl = definition.getImplementation(); + ImplAtomicComponent component = new ImplAtomicComponent(uri, context.getGroupId(), ia, impl); + component.setPropertyValueObjectFactory(propertyValueObjectFactory); + component.setDataBindingRegistry(dataBindingRegistry); + component.initializePropertyValueFactories(definition.getProperties()); + return component; + } + + public void setPropertyValueObjectFactory(PropertyValueObjectFactory propertyValueObjectFactory) { + this.propertyValueObjectFactory = propertyValueObjectFactory; + } + + public void setDataBindingRegistry(DataBindingExtensionPoint dataBindingRegistry) { + this.dataBindingRegistry = dataBindingRegistry; + } +} diff --git a/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationSPIModuleActivator.java b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationSPIModuleActivator.java new file mode 100644 index 0000000000..97396a3363 --- /dev/null +++ b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/ImplementationSPIModuleActivator.java @@ -0,0 +1,80 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.spi.implementation.impl; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.Map; + +import org.apache.tuscany.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.core.ExtensionPointRegistry; +import org.apache.tuscany.core.ModuleActivator; +import org.apache.tuscany.databinding.DataBindingExtensionPoint; +import org.apache.tuscany.databinding.Mediator; +import org.apache.tuscany.spi.builder.BuilderRegistry; +import org.apache.tuscany.spi.implementation.ImplementationActivator; + +public class ImplementationSPIModuleActivator implements ModuleActivator { + + private Collection<ImplementationArtifactProcessor> as = new ArrayList(); + + public ImplementationSPIModuleActivator() { + } + + public void start(ExtensionPointRegistry epRegistry) { + ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); + Collection<ImplementationActivator> ias = Discovery.getInstances(classLoader, ImplementationActivator.class); + + StAXArtifactProcessorExtensionPoint artifactProcessors = epRegistry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + BuilderRegistry builderRegistry = epRegistry.getExtensionPoint(BuilderRegistry.class); + + for (ImplementationActivator ia : ias) { + + ImplementationArtifactProcessor implementationArtifactProcessor = new ImplementationArtifactProcessor(ia); + artifactProcessors.addExtension(implementationArtifactProcessor); + as.add(implementationArtifactProcessor); + + ImplementationBuilder builder = new ImplementationBuilder(ia); + builder.setBuilderRegistry(builderRegistry); + builderRegistry.register(ia.getImplementationClass(), builder); + + Mediator mediator = epRegistry.getExtensionPoint(Mediator.class); + PropertyValueObjectFactory factory = new PropertyValueObjectFactory(mediator); + builder.setPropertyValueObjectFactory(factory); + + DataBindingExtensionPoint dataBindingRegistry = epRegistry.getExtensionPoint(DataBindingExtensionPoint.class); + builder.setDataBindingRegistry(dataBindingRegistry); + + builder.init(); + } + } + + public void stop(ExtensionPointRegistry epRegistry) { + StAXArtifactProcessorExtensionPoint artifactProcessors = epRegistry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + for (ImplementationArtifactProcessor iap : as) { + artifactProcessors.removeExtension(iap); + } + } + + public Map<Class, Object> getExtensionPoints() { + return null; + } + +} diff --git a/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/PropertyValueObjectFactory.java b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/PropertyValueObjectFactory.java new file mode 100644 index 0000000000..3143f9f591 --- /dev/null +++ b/sandbox/SPI/implementation-spi-impl/src/main/java/org/apache/tuscany/spi/implementation/impl/PropertyValueObjectFactory.java @@ -0,0 +1,224 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.spi.implementation.impl; + + +import java.util.ArrayList; +import java.util.List; +import java.util.StringTokenizer; + +import org.apache.tuscany.assembly.Property; +import org.apache.tuscany.databinding.Mediator; +import org.apache.tuscany.databinding.SimpleTypeMapper; +import org.apache.tuscany.databinding.extension.SimpleTypeMapperExtension; +import org.apache.tuscany.interfacedef.DataType; +import org.apache.tuscany.interfacedef.util.XMLType; +import org.apache.tuscany.spi.ObjectCreationException; +import org.apache.tuscany.spi.ObjectFactory; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; + +public class PropertyValueObjectFactory { + // protected DataBindingRegistry dbRegistry = new DataBindingRegistryImpl(); + protected Mediator mediator = null; + protected SimpleTypeMapper simpleTypeMapper = new SimpleTypeMapperExtension(); + boolean isSimpleType; + + public PropertyValueObjectFactory(Mediator mediator) { + this.mediator = mediator; + } + + public ObjectFactory createValueFactory(Property property) { + isSimpleType = isSimpleType(property); + Document doc = (Document)property.getValue(); + Element rootElement = doc.getDocumentElement(); + + //FIXME : since scripts use dynamic types we need to generate a dynamic java type using the + //xml structure of the property value. Should this be done in the JavaBeansDataBinding... + Class javaType = null; + + if (property.isMany()) { + if (isSimpleType) { + String value = ""; + if (rootElement.getChildNodes().getLength() > 0) { + value = rootElement.getChildNodes().item(0).getTextContent(); + } + List<String> values = + getSimplePropertyValues(value, javaType); + return new ListObjectFactoryImpl(property, + values, + isSimpleType, + javaType); + } else { + return new ListObjectFactoryImpl(property, + getComplexPropertyValues(doc), + isSimpleType, + javaType); + } + } else { + if (isSimpleType) { + String value = ""; + if (rootElement.getChildNodes().getLength() > 0) { + value = rootElement.getChildNodes().item(0).getTextContent(); + } + return new ObjectFactoryImpl(property, + value, + isSimpleType, + javaType); + } else { + Object value = getComplexPropertyValues(doc).get(0); + return new ObjectFactoryImpl(property, + value, + isSimpleType, + javaType); + } + + } + } + + private boolean isSimpleType(Property property) { + if (property.getXSDType() != null) { + return SimpleTypeMapperExtension.isSimpleXSDType(property.getXSDType()); + } else { + if (property instanceof Document) { + Document doc = (Document)property; + Element element = doc.getDocumentElement(); + if (element.getChildNodes().getLength() == 1 && + element.getChildNodes().item(0).getNodeType() == Element.TEXT_NODE) { + return true; + } + } + } + return false; + } + + private List<String> getSimplePropertyValues(String concatenatedValue, Class javaType) { + List<String> propValues = new ArrayList<String>(); + StringTokenizer st = null; + if ( javaType.getName().equals("java.lang.String")) { + st = new StringTokenizer(concatenatedValue, "\""); + } else { + st = new StringTokenizer(concatenatedValue); + } + String aToken = null; + while (st.hasMoreTokens()) { + aToken = st.nextToken(); + if (aToken.trim().length() > 0) { + propValues.add(aToken); + } + } + return propValues; + } + + private List<Node> getComplexPropertyValues(Document document) { + Element rootElement = document.getDocumentElement(); + List<Node> propValues = new ArrayList<Node>(); + for (int count = 0 ; count < rootElement.getChildNodes().getLength() ; ++count) { + if (rootElement.getChildNodes().item(count).getNodeType() == Document.ELEMENT_NODE) { + propValues.add(rootElement.getChildNodes().item(count)); + } + } + return propValues; + } + + public abstract class ObjectFactoryImplBase implements ObjectFactory { + protected SimpleTypeMapper simpleTypeMapper = new SimpleTypeMapperExtension(); + protected Property property; + protected Object propertyValue; + protected Class javaType; + protected DataType<XMLType> sourceDataType; + protected DataType<?> targetDataType; + boolean isSimpleType; + + public ObjectFactoryImplBase(Property property, Object propertyValue, boolean isSimpleType, Class javaType) { + + this.isSimpleType = isSimpleType; + this.property = property; + this.propertyValue = propertyValue; + this.javaType = javaType; + //FIXME : fix this when we have managed to generate dynamic java types + /*sourceDataType = + new DataTypeImpl<XMLType>(DOMDataBinding.NAME, Node.class, + new XMLType(null, this.property.getXSDType())); + TypeInfo typeInfo = null; + if (this.property.getXSDType() != null) { + if (SimpleTypeMapperExtension.isSimpleXSDType(this.property.getXSDType())) { + typeInfo = new TypeInfo(property.getXSDType(), true, null); + } else { + typeInfo = new TypeInfo(property.getXSDType(), false, null); + } + } else { + typeInfo = new TypeInfo(property.getXSDType(), false, null); + } + + XMLType xmlType = new XMLType(typeInfo); + String dataBinding = null; //(String)property.getExtensions().get(DataBinding.class.getName()); + if (dataBinding != null) { + targetDataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType); + } else { + targetDataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType); + mediator.getDataBindingRegistry().introspectType(targetDataType, null); + }*/ + } + } + + public class ObjectFactoryImpl extends ObjectFactoryImplBase { + public ObjectFactoryImpl(Property property, Object propertyValue, boolean isSimpleType, Class javaType) { + super(property, propertyValue, isSimpleType, javaType); + } + + @SuppressWarnings("unchecked") + public Object getInstance() throws ObjectCreationException { + if (isSimpleType) { + return simpleTypeMapper.toJavaObject(property.getXSDType(), (String)propertyValue, null); + } else { + return mediator.mediate(propertyValue, sourceDataType, targetDataType, null); + //return null; + } + } + } + + public class ListObjectFactoryImpl extends ObjectFactoryImplBase { + public ListObjectFactoryImpl(Property property, List<?>propertyValues, boolean isSimpleType, Class javaType) { + super(property, propertyValues, isSimpleType, javaType); + } + + @SuppressWarnings("unchecked") + public List<?> getInstance() throws ObjectCreationException { + if (isSimpleType) { + List<Object> values = new ArrayList<Object>(); + for (String aValue : (List<String>)propertyValue) { + values.add(simpleTypeMapper.toJavaObject(property.getXSDType(), aValue, null)); + } + return values; + } else { + List instances = new ArrayList(); + for (Node aValue : (List<Node>)propertyValue) { + instances.add(mediator.mediate(aValue, + sourceDataType, + targetDataType, + null)); + } + return instances; + } + } + } +} +
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