diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace')
10 files changed, 772 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/DefaultNamespaceImportExportFactory.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/DefaultNamespaceImportExportFactory.java new file mode 100644 index 0000000000..a71fa61a54 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/DefaultNamespaceImportExportFactory.java @@ -0,0 +1,30 @@ +/* + * 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.contribution.namespace; + +import org.apache.tuscany.sca.contribution.namespace.impl.NamespaceImportExportFactoryImpl; + +/** + * Default Namespace Import/Export model factory implementation + * + * @version $Rev$ $Date$ + */ +public class DefaultNamespaceImportExportFactory extends NamespaceImportExportFactoryImpl implements NamespaceImportExportFactory { +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceExport.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceExport.java new file mode 100644 index 0000000000..c68aee8521 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceExport.java @@ -0,0 +1,46 @@ +/* + * 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.contribution.namespace; + +import org.apache.tuscany.sca.contribution.Export; + + +/** + * The representation of an XML namespace export. + * + * @version $Rev$ $Date$ + */ +public interface NamespaceExport extends Export { + + /** + * Get Namespace that identifies the export + * + * @return The exported namespace + */ + String getNamespace(); + + /** + * Set Namespace that identifies the export + * + * @param namespace The exported namespace + */ + void setNamespace(String namespace); + +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceImport.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceImport.java new file mode 100644 index 0000000000..c452b15ee9 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceImport.java @@ -0,0 +1,60 @@ +/* + * 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.contribution.namespace; + +import org.apache.tuscany.sca.contribution.Import; + +/** + * The representation of an XML namespace import. + * + * @version $Rev$ $Date$ + * @tuscany.spi.extension.asclient + */ +public interface NamespaceImport extends Import { + + /** + * Get the location used to resolve the definitions for this import + * + * @return The import location + */ + String getLocation(); + + /** + * Set the location used to resolve the definitions for this import + * + * @param location The import location + */ + void setLocation(String location); + + /** + * Get Namespace that identifies the import + * + * @return The namespace + */ + String getNamespace(); + + /** + * Set Namespace that identifies the import + * + * @param namespace The namespace + */ + void setNamespace(String namespace); + +}
\ No newline at end of file diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceImportExportFactory.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceImportExportFactory.java new file mode 100644 index 0000000000..cfbac8bb1f --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/NamespaceImportExportFactory.java @@ -0,0 +1,42 @@ +/* + * 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.contribution.namespace; + +/** + * Base Namespace import/export model factory + * + * @version $Rev$ $Date$ + */ +public interface NamespaceImportExportFactory { + + /** + * Create a namespace import model object + * + * @return The new NamespaceImport model object + */ + NamespaceImport createNamespaceImport(); + + /** + * Create a namespace export model object + * + * @return The new NamespaceExport model object + */ + NamespaceExport createNamespaceExport(); +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportImpl.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportImpl.java new file mode 100644 index 0000000000..99af328964 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportImpl.java @@ -0,0 +1,55 @@ +/* + * 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.contribution.namespace.impl; + +import org.apache.tuscany.sca.assembly.impl.ExtensibleImpl; +import org.apache.tuscany.sca.contribution.namespace.NamespaceExport; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * The representation of an export for the contribution + * + * @version $Rev$ $Date$ + */ +public class NamespaceExportImpl extends ExtensibleImpl implements NamespaceExport { + private String namespace; + private ModelResolver modelResolver; + + protected NamespaceExportImpl() { + super(); + } + + public String getNamespace() { + return namespace; + } + + public void setNamespace(String namespace) { + this.namespace = namespace; + } + + public ModelResolver getModelResolver() { + return modelResolver; + } + + public void setModelResolver(ModelResolver modelResolver) { + this.modelResolver = modelResolver; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportModelResolver.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportModelResolver.java new file mode 100644 index 0000000000..7bf3c32c93 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportModelResolver.java @@ -0,0 +1,55 @@ +/* + * 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.contribution.namespace.impl; + +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * A model resolver for namespace exports. + * + * @version $Rev$ $Date$ + */ +public class NamespaceExportModelResolver implements ModelResolver { + + private ModelResolver resolver; + + public NamespaceExportModelResolver(ModelResolver resolver) { + this.resolver = resolver; + } + + public void addModel(Object resolved, ProcessorContext context) { + throw new IllegalStateException(); + } + + public Object removeModel(Object resolved, ProcessorContext context) { + throw new IllegalStateException(); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) { + + // Just delegate to the contribution's model resolver, namespace + // based filtering is implemented in the model specific model + // resolver, which know how to get the namespace of the particular + // type of model that they handle + return resolver.resolveModel(modelClass, unresolved, context); + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportProcessor.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportProcessor.java new file mode 100644 index 0000000000..0d410fb377 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportProcessor.java @@ -0,0 +1,172 @@ +/* + * 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.contribution.namespace.impl; + +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.contribution.namespace.NamespaceExport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImportExportFactory; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * Artifact processor for Namespace export + * + * @version $Rev$ $Date$ + */ +public class NamespaceExportProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<NamespaceExport> { + + private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200912"; + private static final QName EXPORT = new QName(SCA11_NS, "export"); + private static final String NAMESPACE = "namespace"; + + private final NamespaceImportExportFactory factory; + private final AssemblyFactory extensionFactory; + private final StAXArtifactProcessor<Object> extensionProcessor; + private final StAXAttributeProcessor<Object> attributeProcessor; + + public NamespaceExportProcessor(FactoryExtensionPoint modelFactories, + StAXArtifactProcessor<Object> extensionProcessor, + StAXAttributeProcessor<Object> attributeProcessor) { + this.factory = modelFactories.getFactory(NamespaceImportExportFactory.class); + this.extensionFactory = modelFactories.getFactory(AssemblyFactory.class); + this.extensionProcessor = extensionProcessor; + this.attributeProcessor = attributeProcessor; + } + + /** + * Report a warning. + * + * @param problems + * @param message + * @param model + */ + private void error(Monitor monitor, String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(this.getClass().getName(), "contribution-namespace-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + public QName getArtifactType() { + return EXPORT; + } + + public Class<NamespaceExport> getModelType() { + return NamespaceExport.class; + } + + /** + * Process <export namespace=""/> + */ + public NamespaceExport read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException { + NamespaceExport namespaceExport = this.factory.createNamespaceExport(); + QName element = null; + + try { + while (reader.hasNext()) { + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + element = reader.getName(); + + // Read <export> + if (EXPORT.equals(element)) { + String ns = reader.getAttributeValue(null, NAMESPACE); + if (ns == null) { + error(context.getMonitor(), "AttributeNameSpaceMissing", reader); + //throw new ContributionReadException("Attribute 'namespace' is missing"); + } else { + namespaceExport.setNamespace(ns); + } + readExtendedAttributes(reader, namespaceExport, attributeProcessor, extensionFactory, context); + } else { + //read extended elements + Object ext = extensionProcessor.read(reader, context); + if (namespaceExport != null) { + namespaceExport.getExtensions().add(ext); + } + } + + break; + case XMLStreamConstants.END_ELEMENT: + if (EXPORT.equals(reader.getName())) { + return namespaceExport; + } + break; + } + + // Read the next element + if (reader.hasNext()) { + reader.next(); + } + } + } + catch (XMLStreamException e) { + ContributionReadException ex = new ContributionReadException(e); + error(context.getMonitor(), "XMLStreamException", reader, ex); + } + + return namespaceExport; + } + + public void write(NamespaceExport namespaceExport, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { + + // Write <export> + writer.writeStartElement(EXPORT.getNamespaceURI(), EXPORT.getLocalPart()); + + if (namespaceExport.getNamespace() != null) { + writer.writeAttribute(NAMESPACE, namespaceExport.getNamespace()); + } + + writeExtendedAttributes(writer, namespaceExport, attributeProcessor, context); + + // handle extended elements + for (Object ext : namespaceExport.getExtensions()) { + extensionProcessor.write(ext, writer, context); + } + + writer.writeEndElement(); + } + + public void resolve(NamespaceExport namespaceExport, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + + if (namespaceExport.getNamespace() != null) + // Initialize the export's resolver + namespaceExport.setModelResolver(new NamespaceExportModelResolver(resolver)); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportExportFactoryImpl.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportExportFactoryImpl.java new file mode 100644 index 0000000000..1146e593a9 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportExportFactoryImpl.java @@ -0,0 +1,41 @@ +/* + * 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.contribution.namespace.impl; + +import org.apache.tuscany.sca.contribution.namespace.NamespaceExport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImportExportFactory; + +/** + * Namespace Import/Export model factory implementation + * + * @version $Rev$ $Date$ + */ +public class NamespaceImportExportFactoryImpl implements NamespaceImportExportFactory { + + public NamespaceImport createNamespaceImport() { + return new NamespaceImportImpl(); + } + + public NamespaceExport createNamespaceExport() { + return new NamespaceExportImpl(); + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportImpl.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportImpl.java new file mode 100644 index 0000000000..35e2d539d4 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportImpl.java @@ -0,0 +1,93 @@ +/* + * 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.contribution.namespace.impl; + +import org.apache.tuscany.sca.assembly.impl.ExtensibleImpl; +import org.apache.tuscany.sca.contribution.Export; +import org.apache.tuscany.sca.contribution.namespace.NamespaceExport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * The representation of an import for the contribution + * + * @version $Rev$ $Date$ + */ +public class NamespaceImportImpl extends ExtensibleImpl implements NamespaceImport { + private ModelResolver modelResolver; + + /** + * The namespace to be imported + */ + private String namespace; + /** + * Optional location URI pointing to a Contribution that exports the namespace + */ + private String location; + + + protected NamespaceImportImpl() { + super(); + } + + public String getLocation() { + return location; + } + + public void setLocation(String location) { + this.location = location; + } + + public String getNamespace() { + return namespace; + } + + public void setNamespace(String namespace) { + this.namespace = namespace; + } + + public ModelResolver getModelResolver() { + return modelResolver; + } + + public void setModelResolver(ModelResolver modelResolver) { + this.modelResolver = modelResolver; + } + + + /** + * Match a NamespaceImport to a given NamespaceExport based on : + * location is not provided + * import and export namespaces match + */ + public boolean match(Export export) { + if (export instanceof NamespaceExport) { + if (this.getNamespace().equals(((NamespaceExport)export).getNamespace())) { + return true; + } + } + return false; + } + + @Override + public String toString() { + return String.valueOf(namespace); + } +} diff --git a/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportProcessor.java b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportProcessor.java new file mode 100644 index 0000000000..17b0dc3953 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceImportProcessor.java @@ -0,0 +1,178 @@ +/* + * 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.contribution.namespace.impl; + +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImportExportFactory; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * Artifact processor for Namespace import + * + * @version $Rev$ $Date$ + */ +public class NamespaceImportProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<NamespaceImport> { + private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200912"; + + private static final QName IMPORT = new QName(SCA11_NS, "import"); + + private static final String NAMESPACE = "namespace"; + private static final String LOCATION = "location"; + + private final NamespaceImportExportFactory factory; + private final AssemblyFactory extensionFactory; + private final StAXArtifactProcessor<Object> extensionProcessor; + private final StAXAttributeProcessor<Object> attributeProcessor; + + public NamespaceImportProcessor(FactoryExtensionPoint modelFactories, + StAXArtifactProcessor<Object> extensionProcessor, + StAXAttributeProcessor<Object> attributeProcessor) { + this.factory = modelFactories.getFactory(NamespaceImportExportFactory.class); + this.extensionFactory = modelFactories.getFactory(AssemblyFactory.class); + this.extensionProcessor = extensionProcessor; + this.attributeProcessor = attributeProcessor; + } + + /** + * Report a warning. + * + * @param problems + * @param message + * @param model + */ + private void error(Monitor monitor, String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(this.getClass().getName(), "contribution-namespace-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + public QName getArtifactType() { + return IMPORT; + } + + public Class<NamespaceImport> getModelType() { + return NamespaceImport.class; + } + + /** + * Process <import namespace="" location=""/> + */ + public NamespaceImport read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException { + NamespaceImport namespaceImport = this.factory.createNamespaceImport(); + QName element; + + try { + while (reader.hasNext()) { + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + element = reader.getName(); + + // Read <import> + if (IMPORT.equals(element)) { + String ns = reader.getAttributeValue(null, NAMESPACE); + if (ns == null) { + error(context.getMonitor(), "AttributeNameSpaceMissing", reader); + //throw new ContributionReadException("Attribute 'namespace' is missing"); + } else { + namespaceImport.setNamespace(ns); + } + + String location = getURIString(reader, LOCATION); + if (location != null) { + namespaceImport.setLocation(location); + } + readExtendedAttributes(reader, namespaceImport, attributeProcessor, extensionFactory, context); + } else { + // handle extended elements + Object ext = extensionProcessor.read(reader, context); + if (namespaceImport != null) { + namespaceImport.getExtensions().add(ext); + } + } + break; + case XMLStreamConstants.END_ELEMENT: + if (IMPORT.equals(reader.getName())) { + return namespaceImport; + } + break; + } + + // Read the next element + if (reader.hasNext()) { + reader.next(); + } + } + } + catch (XMLStreamException e) { + ContributionReadException ex = new ContributionReadException(e); + error(context.getMonitor(), "XMLStreamException", reader, ex); + } + + return namespaceImport; + } + + public void write(NamespaceImport namespaceImport, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { + + // Write <import> + writer.writeStartElement(IMPORT.getNamespaceURI(), IMPORT.getLocalPart()); + + if (namespaceImport.getNamespace() != null) { + writer.writeAttribute(NAMESPACE, namespaceImport.getNamespace()); + } + if (namespaceImport.getLocation() != null) { + writer.writeAttribute(LOCATION, namespaceImport.getLocation()); + } + + writeExtendedAttributes(writer, namespaceImport, attributeProcessor, context); + + //handle extended elements + for (Object ext : namespaceImport.getExtensions()) { + extensionProcessor.write(ext, writer, context); + } + + writer.writeEndElement(); + } + + + public void resolve(NamespaceImport model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + } +} |