diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany')
7 files changed, 511 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/DefaultJavaInterfaceIntrospectorExtensionPoint.java b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/DefaultJavaInterfaceIntrospectorExtensionPoint.java new file mode 100644 index 0000000000..fc35ef76b7 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/DefaultJavaInterfaceIntrospectorExtensionPoint.java @@ -0,0 +1,47 @@ +/* + * 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.sca.interfacedef.java.introspect; + +import java.util.ArrayList; +import java.util.List; + +/** + * Default implementation of an extension point for Java interface visitors. + * + * @version $Rev$ $Date$ + */ +public class DefaultJavaInterfaceIntrospectorExtensionPoint implements JavaInterfaceIntrospectorExtensionPoint { + + private List<JavaInterfaceVisitor> visitors = new ArrayList<JavaInterfaceVisitor>(); + + public DefaultJavaInterfaceIntrospectorExtensionPoint() { + } + + public void addInterfaceVisitor(JavaInterfaceVisitor extension) { + visitors.add(extension); + } + + public void removeInterfaceVisitor(JavaInterfaceVisitor extension) { + visitors.remove(extension); + } + + public List<JavaInterfaceVisitor> getInterfaceVisitors() { + return visitors; + } +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/ExtensibleJavaInterfaceIntrospector.java b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/ExtensibleJavaInterfaceIntrospector.java new file mode 100644 index 0000000000..9ceb194fd1 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/ExtensibleJavaInterfaceIntrospector.java @@ -0,0 +1,147 @@ +/* + * 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.sca.interfacedef.java.introspect; + +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.sca.interfacedef.ConversationSequence; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.InvalidCallbackException; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.InvalidOperationException; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.OverloadedOperationException; +import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl; +import org.apache.tuscany.sca.interfacedef.impl.OperationImpl; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.osoa.sca.annotations.Conversational; +import org.osoa.sca.annotations.EndsConversation; +import org.osoa.sca.annotations.OneWay; +import org.osoa.sca.annotations.Remotable; + +/** + * Default implementation of a Java interface introspector. + * + * @version $Rev$ $Date$ + */ +public class ExtensibleJavaInterfaceIntrospector implements JavaInterfaceIntrospector { + public static final String IDL_INPUT = "idl:input"; + + private static final String UNKNOWN_DATABINDING = null; + + private JavaInterfaceFactory javaFactory; + private List<JavaInterfaceVisitor> visitors = new ArrayList<JavaInterfaceVisitor>(); + + public ExtensibleJavaInterfaceIntrospector(JavaInterfaceFactory javaFactory, JavaInterfaceIntrospectorExtensionPoint visitors) { + this.javaFactory = javaFactory; + this.visitors = visitors.getInterfaceVisitors(); + } + + public JavaInterface introspect(Class<?> type) throws InvalidInterfaceException { + JavaInterface javaInterface = javaFactory.createJavaInterface(); + javaInterface.setJavaClass(type); + + boolean remotable = type.isAnnotationPresent(Remotable.class); + javaInterface.setRemotable(remotable); + + boolean conversational = type.isAnnotationPresent(Conversational.class); + javaInterface.setConversational(conversational); + + Class<?> callbackClass = null; + org.osoa.sca.annotations.Callback callback = type.getAnnotation(org.osoa.sca.annotations.Callback.class); + if (callback != null && !Void.class.equals(callback.value())) { + callbackClass = callback.value(); + } else if (callback != null && Void.class.equals(callback.value())) { + throw new InvalidCallbackException("No callback interface specified on annotation"); + } + javaInterface.setCallbackClass(callbackClass); + + javaInterface.getOperations().addAll(getOperations(type, remotable, conversational)); + + for (JavaInterfaceVisitor extension : visitors) { + extension.visitInterface(javaInterface); + } + return javaInterface; + } + + private <T> List<Operation> getOperations(Class<T> type, boolean remotable, boolean conversational) + throws InvalidInterfaceException { + Method[] methods = type.getMethods(); + List<Operation> operations = new ArrayList<Operation>(methods.length); + Set<String> names = remotable? new HashSet<String>() : null; + for (Method method : methods) { + String name = method.getName(); + if (remotable && names.contains(name)) { + throw new OverloadedOperationException(method); + } + if(remotable) { + names.add(name); + } + + Class returnType = method.getReturnType(); + Class[] paramTypes = method.getParameterTypes(); + Class[] faultTypes = method.getExceptionTypes(); + boolean nonBlocking = method.isAnnotationPresent(OneWay.class); + ConversationSequence conversationSequence = ConversationSequence.CONVERSATION_NONE; + if (method.isAnnotationPresent(EndsConversation.class)) { + if (!conversational) { + throw new InvalidOperationException( + "Method is marked as end conversation but contract is not conversational", + method); + } + conversationSequence = ConversationSequence.CONVERSATION_END; + } else if (conversational) { + conversationSequence = ConversationSequence.CONVERSATION_CONTINUE; + } + + // Set outputType to null for void + DataType<Class> returnDataType = returnType == void.class ? null + : new DataTypeImpl<Class>(UNKNOWN_DATABINDING, + returnType, returnType); + List<DataType> paramDataTypes = new ArrayList<DataType>(paramTypes.length); + for (Class paramType : paramTypes) { + paramDataTypes.add(new DataTypeImpl<Class>(UNKNOWN_DATABINDING, paramType, paramType)); + } + List<DataType> faultDataTypes = new ArrayList<DataType>(faultTypes.length); + for (Class faultType : faultTypes) { + // Only add checked exceptions + if (Exception.class.isAssignableFrom(faultType) && (!RuntimeException.class.isAssignableFrom(faultType))) { + faultDataTypes.add(new DataTypeImpl<Class>(UNKNOWN_DATABINDING, faultType, faultType)); + } + } + + DataType<List<DataType>> inputType = new DataTypeImpl<List<DataType>>(IDL_INPUT, Object[].class, + paramDataTypes); + Operation operation = new OperationImpl(name); + operation.setInputType(inputType); + operation.setOutputType(returnDataType); + operation.setFaultTypes(faultDataTypes); + operation.setConversationSequence(conversationSequence); + operation.setNonBlocking(nonBlocking); + operations.add(operation); + } + return operations; + } + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospector.java b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospector.java new file mode 100644 index 0000000000..eb107aff7c --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospector.java @@ -0,0 +1,39 @@ +/* + * 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.sca.interfacedef.java.introspect; + +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; + +/** + * Processor for creating JavaServiceContract definitions from Java Classes. + * + * @version $Rev$ $Date$ + */ +public interface JavaInterfaceIntrospector { + + /** + * Introspect a Java interface and return a JavaInterface model. + * + * @param type the interface to inspect + * @return a JavaInterface corresponding to the Java interface + */ + JavaInterface introspect(Class<?> type) throws InvalidInterfaceException; + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospectorExtensionPoint.java b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospectorExtensionPoint.java new file mode 100644 index 0000000000..1a68e006a7 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceIntrospectorExtensionPoint.java @@ -0,0 +1,50 @@ +/* + * 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.sca.interfacedef.java.introspect; + +import java.util.List; + +/** + * An extension point for Java interface visitors. + * + * @version $Rev$ $Date$ + */ +public interface JavaInterfaceIntrospectorExtensionPoint { + + /** + * Registers the given visitor. + * + * @param visitor + */ + void addInterfaceVisitor(JavaInterfaceVisitor visitor); + + /** + * Deregisters the given visitor. + * + * @param visitor + */ + void removeInterfaceVisitor(JavaInterfaceVisitor visitor); + + /** + * Returns a list of interface visitors. + * + * @return + */ + List<JavaInterfaceVisitor> getInterfaceVisitors(); +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceVisitor.java b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceVisitor.java new file mode 100644 index 0000000000..3bc03a528e --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/introspect/JavaInterfaceVisitor.java @@ -0,0 +1,39 @@ +/* + * 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.sca.interfacedef.java.introspect; + +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; + +/** + * Implementations introspect metadata on a Java interface, populating the + * corresponding {@link JavaInterface} + * + * @version $Rev$ $Date$ + */ +public interface JavaInterfaceVisitor { + + /** + * Visit a java interface + * @param javaInterface + * @throws InvalidInterfaceException + */ + void visitInterface(JavaInterface javaInterface) throws InvalidInterfaceException; + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java new file mode 100644 index 0000000000..852f3dc3b5 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaConstants.java @@ -0,0 +1,32 @@ +/* + * 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.sca.interfacedef.java.xml; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.xml.Constants; + +public interface JavaConstants { + + String INTERFACE_JAVA = "interface.java"; + QName INTERFACE_JAVA_QNAME = new QName(Constants.SCA10_NS, "interface.java"); + String INTERFACE = "interface"; + String CALLBACK_INTERFACE = "callbackInterface"; + +} diff --git a/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java new file mode 100644 index 0000000000..cc27d88ba8 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.90/modules/interface-java-xml/src/main/java/org/apache/tuscany/sca/interfacedef/java/xml/JavaInterfaceProcessor.java @@ -0,0 +1,157 @@ +/* + * 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.sca.interfacedef.java.xml; + +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.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; +import org.apache.tuscany.sca.interfacedef.java.JavaInterface; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceIntrospector; + +public class JavaInterfaceProcessor implements StAXArtifactProcessor<JavaInterfaceContract>, JavaConstants { + + private JavaInterfaceFactory javaFactory; + private JavaInterfaceIntrospector introspector; + + public JavaInterfaceProcessor(JavaInterfaceFactory javaFactory, JavaInterfaceIntrospector introspector) { + this.javaFactory = javaFactory; + this.introspector = introspector; + } + + private JavaInterface createJavaInterface(String interfaceName) { + JavaInterface javaInterface = javaFactory.createJavaInterface(); + javaInterface.setUnresolved(true); + javaInterface.setName(interfaceName); + return javaInterface; + } + + public JavaInterfaceContract read(XMLStreamReader reader) throws ContributionReadException { + try { + // Read an <interface.java> + JavaInterfaceContract javaInterfaceContract = javaFactory.createJavaInterfaceContract(); + String interfaceName = reader.getAttributeValue(null, INTERFACE); + if (interfaceName != null) { + JavaInterface javaInterface = createJavaInterface(interfaceName); + javaInterfaceContract.setInterface(javaInterface); + } + + String callbackInterfaceName = reader.getAttributeValue(null, CALLBACK_INTERFACE); + if (callbackInterfaceName != null) { + JavaInterface javaCallbackInterface = createJavaInterface(callbackInterfaceName); + javaInterfaceContract.setCallbackInterface(javaCallbackInterface); + } + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && INTERFACE_JAVA_QNAME.equals(reader.getName())) { + break; + } + } + return javaInterfaceContract; + + } catch (XMLStreamException e) { + throw new ContributionReadException(e); + } + } + + public void write(JavaInterfaceContract javaInterfaceContract, XMLStreamWriter writer) throws ContributionWriteException { + try { + // Write an <interface.java> + writer.writeStartElement(Constants.SCA10_NS, INTERFACE_JAVA); + JavaInterface javaInterface = (JavaInterface)javaInterfaceContract.getInterface(); + if (javaInterface != null && javaInterface.getName() != null) { + writer.writeAttribute(INTERFACE, javaInterface.getName()); + } + JavaInterface javaCallbackInterface = (JavaInterface)javaInterfaceContract.getCallbackInterface(); + if (javaCallbackInterface != null && javaCallbackInterface.getName() != null) { + writer.writeAttribute(CALLBACK_INTERFACE, javaCallbackInterface.getName()); + } + writer.writeEndElement(); + + } catch (XMLStreamException e) { + throw new ContributionWriteException(e); + } + } + + private JavaInterface resolveJavaInterface(JavaInterface javaInterface, ModelResolver resolver) throws ContributionResolveException { + + if (javaInterface != null && javaInterface.isUnresolved()) { + + // Resolve the Java interface + javaInterface = resolver.resolveModel(JavaInterface.class, javaInterface); + if (javaInterface.isUnresolved()) { + + // If the Java interface has never been resolved yet, do it now + ClassReference classReference = new ClassReference(javaInterface.getName()); + classReference = resolver.resolveModel(ClassReference.class, classReference); + Class javaClass = classReference.getJavaClass(); + if (javaClass == null) { + throw new ContributionResolveException(new ClassNotFoundException(javaInterface.getName())); + } + try { + + // Introspect the Java interface and populate the interface and + // operations + javaInterface = introspector.introspect(javaClass); + + } catch (InvalidInterfaceException e) { + throw new ContributionResolveException(e); + } + + // Cache the resolved interface + javaInterface.setUnresolved(false); + resolver.addModel(javaInterface); + } + } + return javaInterface; + } + + public void resolve(JavaInterfaceContract javaInterfaceContract, ModelResolver resolver) throws ContributionResolveException { + + // Resolve the interface and callback interface + JavaInterface javaInterface = resolveJavaInterface((JavaInterface)javaInterfaceContract.getInterface(), resolver); + javaInterfaceContract.setInterface(javaInterface); + + JavaInterface javaCallbackInterface = resolveJavaInterface((JavaInterface)javaInterfaceContract.getCallbackInterface(), resolver); + javaInterfaceContract.setCallbackInterface(javaCallbackInterface); + } + + public QName getArtifactType() { + return INTERFACE_JAVA_QNAME; + } + + public Class<JavaInterfaceContract> getModelType() { + return JavaInterfaceContract.class; + } +} |