diff options
author | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
---|---|---|
committer | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
commit | bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch) | |
tree | 38a92061c0793434c4be189f1d70c3458b6bc41d /branches/sca-java-1.0/modules/topology-xml/src/main/java/org/apache/tuscany/sca/topology/xml/BaseTopologyArtifactProcessor.java |
Move Tuscany from Incubator to top level.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-1.0/modules/topology-xml/src/main/java/org/apache/tuscany/sca/topology/xml/BaseTopologyArtifactProcessor.java')
-rw-r--r-- | branches/sca-java-1.0/modules/topology-xml/src/main/java/org/apache/tuscany/sca/topology/xml/BaseTopologyArtifactProcessor.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/branches/sca-java-1.0/modules/topology-xml/src/main/java/org/apache/tuscany/sca/topology/xml/BaseTopologyArtifactProcessor.java b/branches/sca-java-1.0/modules/topology-xml/src/main/java/org/apache/tuscany/sca/topology/xml/BaseTopologyArtifactProcessor.java new file mode 100644 index 0000000000..a72b20cb8e --- /dev/null +++ b/branches/sca-java-1.0/modules/topology-xml/src/main/java/org/apache/tuscany/sca/topology/xml/BaseTopologyArtifactProcessor.java @@ -0,0 +1,141 @@ +/* + * 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.topology.xml; + +import java.util.List; + +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.Contract; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; +import org.apache.tuscany.sca.topology.TopologyFactory; + +/** + * A base class with utility methods for the other artifact processors in this module. + * + * @version $Rev$ $Date$ + */ +public abstract class BaseTopologyArtifactProcessor extends BaseStAXArtifactProcessor implements Constants { + + protected TopologyFactory topologyFactory; + protected AssemblyFactory assemblyFactory; + protected StAXArtifactProcessor<Object> extensionProcessor; + + private static final DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance(); + static { + domFactory.setNamespaceAware(true); + } + + /** + * Construct a new BaseArtifactProcessor. + * @param factory + * @param policyFactory + */ + @SuppressWarnings("unchecked") + public BaseTopologyArtifactProcessor(TopologyFactory topologyFactory, AssemblyFactory assemblyFactory, StAXArtifactProcessor extensionProcessor) { + this.topologyFactory = topologyFactory; + this.assemblyFactory = assemblyFactory; + this.extensionProcessor = extensionProcessor; + } + + /** + * Start an element. + * @param writer + * @param name + * @param attrs + * @throws XMLStreamException + */ + protected void writeStart(XMLStreamWriter writer, String name, XAttr... attrs) throws XMLStreamException { + writeStart(writer, TUSCANY_TOPOLOGY_10_NS, name, attrs); + } + + /** + * Start a document. + * @param writer + * @throws XMLStreamException + */ + protected void writeStartDocument(XMLStreamWriter writer, String name, XAttr... attrs) throws XMLStreamException { + writeStartDocument(writer, TUSCANY_TOPOLOGY_10_NS, name, attrs); + } + + /** + * Resolve an implementation. + * @param implementation + * @param resolver + * @return + * @throws ContributionResolveException + */ + protected Implementation resolveImplementation(Implementation implementation, ModelResolver resolver) throws ContributionResolveException { + if (implementation != null) { + if (implementation.isUnresolved()) { + implementation = resolver.resolveModel(Implementation.class, implementation); + + // Lazily resolve implementations + if (implementation.isUnresolved()) { + extensionProcessor.resolve(implementation, resolver); + if (!implementation.isUnresolved()) { + resolver.addModel(implementation); + } + } + } + } + return implementation; + } + + /** + * Resolve interface, callback interface and bindings on a list of contracts. + * @param contracts the list of contracts + * @param resolver the resolver to use to resolve models + */ + protected <C extends Contract> void resolveContracts(List<C> contracts, ModelResolver resolver) throws ContributionResolveException { + for (Contract contract: contracts) { + + // Resolve the interface contract + InterfaceContract interfaceContract = contract.getInterfaceContract(); + if (interfaceContract != null) { + extensionProcessor.resolve(interfaceContract, resolver); + } + + // Resolve bindings + for (int i = 0, n = contract.getBindings().size(); i < n; i++) { + Binding binding = contract.getBindings().get(i); + extensionProcessor.resolve(binding, resolver); + } + + // Resolve callback bindings + if (contract.getCallback() != null) { + for (int i = 0, n = contract.getCallback().getBindings().size(); i < n; i++) { + Binding binding = contract.getCallback().getBindings().get(i); + extensionProcessor.resolve(binding, resolver); + } + } + } + } + +} |