summaryrefslogtreecommitdiffstats
path: root/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java
diff options
context:
space:
mode:
Diffstat (limited to 'java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java')
-rw-r--r--java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java292
1 files changed, 0 insertions, 292 deletions
diff --git a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java
deleted file mode 100644
index e76d6cb299..0000000000
--- a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultStAXAttributeProcessorExtensionPoint.java
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * 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.processor;
-
-import java.io.IOException;
-import java.lang.reflect.Constructor;
-import java.util.Collection;
-import java.util.Map;
-
-import javax.xml.namespace.QName;
-import javax.xml.stream.XMLInputFactory;
-import javax.xml.stream.XMLOutputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamReader;
-import javax.xml.stream.XMLStreamWriter;
-
-import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.apache.tuscany.sca.core.UtilityExtensionPoint;
-import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
-import org.apache.tuscany.sca.extensibility.ServiceDeclarationParser;
-import org.apache.tuscany.sca.monitor.Monitor;
-import org.apache.tuscany.sca.monitor.MonitorFactory;
-import org.apache.tuscany.sca.monitor.Problem;
-import org.apache.tuscany.sca.monitor.Problem.Severity;
-
-/**
- * The default implementation of an extension point for StAX artifact processors.
- *
- * @version $Rev$ $Date$
- */
-public class DefaultStAXAttributeProcessorExtensionPoint extends
- DefaultArtifactProcessorExtensionPoint<StAXAttributeProcessor<?>> implements StAXAttributeProcessorExtensionPoint {
-
- private ExtensionPointRegistry registry;
- private FactoryExtensionPoint modelFactories;
- private StAXAttributeProcessor<Object> extensibleStAXAttributeProcessor;
- private boolean loaded;
- private Monitor monitor = null;
-
- /**
- * Constructs a new extension point.
- */
- public DefaultStAXAttributeProcessorExtensionPoint(ExtensionPointRegistry extensionPoints) {
- this.registry = extensionPoints;
- this.modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
- XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class);
- XMLOutputFactory outputFactory = modelFactories.getFactory(XMLOutputFactory.class);
- UtilityExtensionPoint utilities = this.registry.getExtensionPoint(UtilityExtensionPoint.class);
- MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class);
- if (monitorFactory != null) {
- this.monitor = monitorFactory.createMonitor();
- }
- this.extensibleStAXAttributeProcessor = new ExtensibleStAXAttributeProcessor(this, inputFactory, outputFactory);
- }
-
- /**
- * Report a exception.
- *
- * @param problems
- * @param message
- * @param model
- */
- private void error(String message, Object model, Exception ex) {
- if (monitor != null) {
- Problem problem =
- monitor.createProblem(this.getClass().getName(),
- "contribution-validation-messages",
- Severity.ERROR,
- model,
- message,
- ex);
- monitor.problem(problem);
- }
- }
-
- public void addArtifactProcessor(StAXAttributeProcessor<?> artifactProcessor) {
- if (artifactProcessor.getArtifactType() != null) {
- processorsByArtifactType.put((Object)artifactProcessor.getArtifactType(), artifactProcessor);
- }
- if (artifactProcessor.getModelType() != null) {
- processorsByModelType.put(artifactProcessor.getModelType(), artifactProcessor);
- }
- }
-
- public void removeArtifactProcessor(StAXAttributeProcessor<?> artifactProcessor) {
- if (artifactProcessor.getArtifactType() != null) {
- processorsByArtifactType.remove((Object)artifactProcessor.getArtifactType());
- }
- if (artifactProcessor.getModelType() != null) {
- processorsByModelType.remove(artifactProcessor.getModelType());
- }
- }
-
- @Override
- public <T> StAXAttributeProcessor<T> getProcessor(Class<T> modelType) {
- loadArtifactProcessors();
- return (StAXAttributeProcessor<T>)super.getProcessor(modelType);
- }
-
- @Override
- public StAXAttributeProcessor<?> getProcessor(Object artifactType) {
- loadArtifactProcessors();
- return super.getProcessor(artifactType);
- }
-
- /**
- * Lazily load artifact processors registered in the extension point.
- */
- private synchronized void loadArtifactProcessors() {
- if (loaded)
- return;
-
- // Get the processor service declarations
- Collection<ServiceDeclaration> processorDeclarations;
- try {
- processorDeclarations =
- registry.getServiceDiscovery().getServiceDeclarations(StAXAttributeProcessor.class.getName());
- } catch (IOException e) {
- IllegalStateException ie = new IllegalStateException(e);
- error("IllegalStateException", extensibleStAXAttributeProcessor, ie);
- throw ie;
- }
-
- for (ServiceDeclaration processorDeclaration : processorDeclarations) {
- Map<String, String> attributes = processorDeclaration.getAttributes();
-
- // Load a StAX artifact processor
-
- // Get the model QName
- QName artifactType = ServiceDeclarationParser.getQName(attributes.get("qname"));
-
- // Get the model class name
- String modelTypeName = attributes.get("model");
-
- // Get the model factory class name
- String factoryName = attributes.get("factory");
-
- // Create a processor wrapper and register it
- StAXAttributeProcessor<?> processor =
- new LazyStAXAttributeProcessor(artifactType, modelTypeName, factoryName, processorDeclaration,
- registry, modelFactories, extensibleStAXAttributeProcessor);
- addArtifactProcessor(processor);
- }
-
- loaded = true;
- }
-
- /**
- * A wrapper around an Artifact processor class allowing lazy loading and
- * initialization of artifact processors.
- */
- private static class LazyStAXAttributeProcessor implements StAXAttributeProcessor {
-
- private ExtensionPointRegistry extensionPoints;
- private QName artifactType;
- private String modelTypeName;
- private String factoryName;
- private ServiceDeclaration processorDeclaration;
- private StAXAttributeProcessor<?> processor;
- private Class<?> modelType;
- private StAXAttributeProcessor<Object> extensionProcessor;
-
- LazyStAXAttributeProcessor(QName artifactType,
- String modelTypeName,
- String factoryName,
- ServiceDeclaration processorDeclaration,
- ExtensionPointRegistry extensionPoints,
- FactoryExtensionPoint modelFactories,
- StAXAttributeProcessor<Object> extensionProcessor) {
-
- this.extensionPoints = extensionPoints;
- this.artifactType = artifactType;
- this.modelTypeName = modelTypeName;
- this.factoryName = factoryName;
- this.processorDeclaration = processorDeclaration;
- this.extensionProcessor = extensionProcessor;
- }
-
- public QName getArtifactType() {
- return artifactType;
- }
-
- @SuppressWarnings("unchecked")
- private StAXAttributeProcessor getProcessor() {
- if (processor == null) {
- FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
-
- // Load and instantiate the processor class
- try {
- Class<StAXAttributeProcessor> processorClass =
- (Class<StAXAttributeProcessor>)processorDeclaration.loadClass();
- try {
- Constructor<StAXAttributeProcessor> constructor =
- processorClass.getConstructor(FactoryExtensionPoint.class);
- processor = constructor.newInstance(modelFactories);
- } catch (NoSuchMethodException e) {
- try {
- Constructor<StAXAttributeProcessor> constructor =
- processorClass.getConstructor(ExtensionPointRegistry.class);
- processor = constructor.newInstance(extensionPoints);
- } catch (NoSuchMethodException e1) {
- try {
- Constructor<StAXAttributeProcessor> constructor =
- processorClass.getConstructor(FactoryExtensionPoint.class,
- StAXArtifactProcessor.class);
- processor = constructor.newInstance(modelFactories, extensionProcessor);
- } catch (NoSuchMethodException e2) {
- try {
- Constructor<StAXAttributeProcessor> constructor =
- processorClass.getConstructor(ExtensionPointRegistry.class,
- StAXArtifactProcessor.class);
- processor = constructor.newInstance(extensionPoints, extensionProcessor);
- } catch (NoSuchMethodException e3) {
- try {
- Constructor<StAXAttributeProcessor> constructor =
- processorClass.getConstructor(FactoryExtensionPoint.class);
- processor = constructor.newInstance(modelFactories);
- } catch (NoSuchMethodException e4) {
- try {
- Constructor<StAXAttributeProcessor> constructor =
- processorClass.getConstructor(ExtensionPointRegistry.class);
- processor = constructor.newInstance(extensionPoints);
- } catch (NoSuchMethodException e4a) {
-
- Constructor<StAXAttributeProcessor> constructor =
- processorClass.getConstructor();
- processor = constructor.newInstance();
-
- }
- }
- }
- }
- }
- }
- } catch (Exception e) {
- IllegalStateException ie = new IllegalStateException(e);
- throw ie;
- }
-
- }
- return processor;
- }
-
- public Object read(QName attributeName, XMLStreamReader inputSource, ProcessorContext context)
- throws ContributionReadException, XMLStreamException {
- return getProcessor().read(attributeName, inputSource, context);
- }
-
- @SuppressWarnings("unchecked")
- public void write(Object model, XMLStreamWriter outputSource, ProcessorContext context)
- throws ContributionWriteException, XMLStreamException {
- getProcessor().write(model, outputSource, context);
- }
-
- public Class<?> getModelType() {
- if (modelTypeName != null && modelType == null) {
- try {
- modelType = processorDeclaration.loadClass(modelTypeName);
- } catch (Exception e) {
- IllegalStateException ie = new IllegalStateException(e);
- throw ie;
- }
- }
- return modelType;
- }
-
- @SuppressWarnings("unchecked")
- public void resolve(Object model, ModelResolver resolver, ProcessorContext context)
- throws ContributionResolveException {
- getProcessor().resolve(model, resolver, context);
- }
-
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-17 08:51:30 +0000