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author | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
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committer | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
commit | bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch) | |
tree | 38a92061c0793434c4be189f1d70c3458b6bc41d /branches/sca-java-M2/sca/services/containers/container.javascript/src/main/java/org/apache/tuscany/container/javascript/JavaScriptComponentTypeLoader.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 '')
-rw-r--r-- | branches/sca-java-M2/sca/services/containers/container.javascript/src/main/java/org/apache/tuscany/container/javascript/JavaScriptComponentTypeLoader.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/branches/sca-java-M2/sca/services/containers/container.javascript/src/main/java/org/apache/tuscany/container/javascript/JavaScriptComponentTypeLoader.java b/branches/sca-java-M2/sca/services/containers/container.javascript/src/main/java/org/apache/tuscany/container/javascript/JavaScriptComponentTypeLoader.java new file mode 100644 index 0000000000..e28daeceb0 --- /dev/null +++ b/branches/sca-java-M2/sca/services/containers/container.javascript/src/main/java/org/apache/tuscany/container/javascript/JavaScriptComponentTypeLoader.java @@ -0,0 +1,113 @@ +/* + * 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.container.javascript; + +import java.net.URL; + +import org.apache.tuscany.spi.annotation.Autowire; +import org.apache.tuscany.spi.component.CompositeComponent; +import org.apache.tuscany.spi.deployer.DeploymentContext; +import org.apache.tuscany.spi.extension.ComponentTypeLoaderExtension; +import org.apache.tuscany.spi.idl.InvalidServiceContractException; +import org.apache.tuscany.spi.idl.java.JavaInterfaceProcessorRegistry; +import org.apache.tuscany.spi.loader.LoaderException; +import org.apache.tuscany.spi.loader.MissingResourceException; +import org.apache.tuscany.spi.model.ComponentType; + +import org.apache.tuscany.container.javascript.rhino.RhinoSCAConfig; +import org.apache.tuscany.container.javascript.rhino.RhinoScript; + +/** + * @version $Rev$ $Date$ + */ +public class JavaScriptComponentTypeLoader extends ComponentTypeLoaderExtension<JavaScriptImplementation> { + + private JavaInterfaceProcessorRegistry processorRegistry; + + public JavaScriptComponentTypeLoader(@Autowire JavaInterfaceProcessorRegistry processorRegistry) { + this.processorRegistry = processorRegistry; + } + + @Override + protected Class<JavaScriptImplementation> getImplementationClass() { + return JavaScriptImplementation.class; + } + + protected JavaScriptComponentType loadByIntrospection(CompositeComponent parent, + JavaScriptImplementation implementation, + DeploymentContext deploymentContext) throws + MissingResourceException, + InvalidServiceContractException { + + RhinoScript rhinoScript = implementation.getRhinoScript(); + RhinoSCAConfig scaConfig = rhinoScript.getSCAConfig(); + if (!scaConfig.hasSCAConfig()) { + throw new IllegalArgumentException( + "must use either .componentType side file or JS SCA varriable definition"); + } + + // FIXME this should be a system service, not instantiated here + JavaScriptComponentType componentType = new JavaScriptIntrospector(null, processorRegistry) + .introspectScript(scaConfig, rhinoScript.getClassLoader()); + + return componentType; + } + + protected String getResourceName(JavaScriptImplementation implementation) { + return implementation.getRhinoScript().getScriptName(); + } + + // TODO: must be possible to move all the following up in to ComponentTypeLoaderExtension + + public void load(CompositeComponent parent, JavaScriptImplementation implementation, + DeploymentContext deploymentContext) + throws LoaderException { + + URL resource = implementation.getRhinoScript().getClassLoader().getResource(getSideFileName(implementation)); + JavaScriptComponentType componentType; + if (resource == null) { + try { + componentType = loadByIntrospection(parent, implementation, deploymentContext); + } catch (InvalidServiceContractException e) { + throw new LoaderException("Invalid service contract", e); + } + } else { + componentType = loadFromSidefile(resource, deploymentContext); + } + + implementation.setComponentType(componentType); + } + + protected JavaScriptComponentType loadFromSidefile(URL url, DeploymentContext deploymentContext) + throws LoaderException { + ComponentType ct = loaderRegistry.load(null, url, ComponentType.class, deploymentContext); + JavaScriptComponentType jsct = new JavaScriptComponentType(ct); + return jsct; + } + + private String getSideFileName(JavaScriptImplementation implementation) { + String baseName = getResourceName(implementation); + int lastDot = baseName.lastIndexOf('.'); + if (lastDot != -1) { + baseName = baseName.substring(0, lastDot); + } + return baseName + ".componentType"; + } + +} |