diff options
Diffstat (limited to 'sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java')
-rw-r--r-- | sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java new file mode 100644 index 0000000000..beb0bc2731 --- /dev/null +++ b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/loader/ComponentTypeElementLoader.java @@ -0,0 +1,86 @@ +/* + * 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.core.loader; + +import javax.xml.namespace.QName; +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import static org.osoa.sca.Constants.SCA_NS; +import org.osoa.sca.annotations.Constructor; +import org.osoa.sca.annotations.Reference; + +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.LoaderExtension; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.LoaderRegistry; +import org.apache.tuscany.spi.model.ComponentType; +import org.apache.tuscany.spi.model.ModelObject; +import org.apache.tuscany.spi.model.Property; +import org.apache.tuscany.spi.model.ReferenceDefinition; +import org.apache.tuscany.spi.model.ServiceDefinition; + +/** + * @version $Rev$ $Date$ + */ +public class ComponentTypeElementLoader extends LoaderExtension<ComponentType> { + public static final QName COMPONENT_TYPE = new QName(SCA_NS, "componentType"); + + @Constructor + public ComponentTypeElementLoader(@Reference LoaderRegistry registry) { + super(registry); + } + + public QName getXMLType() { + return COMPONENT_TYPE; + } + + @SuppressWarnings("unchecked") + public ComponentType load(ModelObject object, XMLStreamReader reader, DeploymentContext context) + throws XMLStreamException, LoaderException { + assert COMPONENT_TYPE.equals(reader.getName()); + ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>> componentType; + if (object != null) { + assert object instanceof ComponentType; + // a specialized component type was passed in + componentType = (ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>>) object; + } else { + componentType = new ComponentType<ServiceDefinition, ReferenceDefinition, Property<?>>(); + } + + while (true) { + switch (reader.next()) { + case START_ELEMENT: + ModelObject o = registry.load(componentType, reader, context); + if (o instanceof ServiceDefinition) { + componentType.add((ServiceDefinition) o); + } else if (o instanceof ReferenceDefinition) { + componentType.add((ReferenceDefinition) o); + } else if (o instanceof Property) { + componentType.add((Property<?>) o); + } + break; + case END_ELEMENT: + return componentType; + } + } + } +} |