diff options
Diffstat (limited to 'sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly')
4 files changed, 211 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/JavaScriptAssemblyFactory.java b/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/JavaScriptAssemblyFactory.java new file mode 100644 index 0000000000..0072bcdaa1 --- /dev/null +++ b/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/JavaScriptAssemblyFactory.java @@ -0,0 +1,28 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed 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.js.assembly; + +import org.apache.tuscany.model.assembly.AssemblyFactory; + +public interface JavaScriptAssemblyFactory extends AssemblyFactory { + + /** + * Returns a new object of class '<em>JavaScript Implementation</em>'. + */ + JavaScriptImplementation createJavaScriptImplementation(); + +} diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/JavaScriptImplementation.java b/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/JavaScriptImplementation.java new file mode 100644 index 0000000000..6edaf2b60a --- /dev/null +++ b/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/JavaScriptImplementation.java @@ -0,0 +1,34 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed 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.js.assembly; + +import org.apache.tuscany.common.resource.ResourceLoader; +import org.apache.tuscany.model.assembly.ComponentImplementation; + +/** + * A representation of a JavaScript component implementation type + * + * @version $Rev$ $Date$ + */ +public interface JavaScriptImplementation extends ComponentImplementation { + + public ResourceLoader getResourceLoader(); + + public String getScriptFile(); + + public void setScriptFile(String fn); +} diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/impl/JavaScriptAssemblyFactoryImpl.java b/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/impl/JavaScriptAssemblyFactoryImpl.java new file mode 100644 index 0000000000..21930d22ec --- /dev/null +++ b/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/impl/JavaScriptAssemblyFactoryImpl.java @@ -0,0 +1,33 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed 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.js.assembly.impl; + +import org.apache.tuscany.container.js.assembly.JavaScriptAssemblyFactory; +import org.apache.tuscany.container.js.assembly.JavaScriptImplementation; +import org.apache.tuscany.model.assembly.impl.AssemblyFactoryImpl; + +public class JavaScriptAssemblyFactoryImpl extends AssemblyFactoryImpl implements JavaScriptAssemblyFactory { + + public JavaScriptAssemblyFactoryImpl() { + super(); + } + + public JavaScriptImplementation createJavaScriptImplementation() { + return new JavaScriptImplementationImpl(); + } + +} diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/impl/JavaScriptImplementationImpl.java b/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/impl/JavaScriptImplementationImpl.java new file mode 100644 index 0000000000..c6b58a25c6 --- /dev/null +++ b/sca-java-1.x/tags/java-stable-20060304/sca/container.js/src/main/java/org/apache/tuscany/container/js/assembly/impl/JavaScriptImplementationImpl.java @@ -0,0 +1,116 @@ +package org.apache.tuscany.container.js.assembly.impl; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; + +import org.apache.tuscany.common.resource.ResourceLoader; +import org.apache.tuscany.container.js.assembly.JavaScriptImplementation; +import org.apache.tuscany.model.assembly.AssemblyModelContext; +import org.apache.tuscany.model.assembly.ComponentType; +import org.apache.tuscany.model.assembly.ModelInitException; +import org.apache.tuscany.model.assembly.impl.ComponentImplementationImpl; + +/** + * Default implementation of a JavScript component implementation type + * + * @version $Rev$ $Date$ + */ +public class JavaScriptImplementationImpl extends ComponentImplementationImpl implements JavaScriptImplementation { + + private ResourceLoader resourceLoader; + + public JavaScriptImplementationImpl() { + super(); + } + + public ResourceLoader getResourceLoader() { + return null; + } + + public void initialize(AssemblyModelContext modelContext) throws ModelInitException { + if (isInitialized()) { + return; + } + this.resourceLoader = modelContext.getApplicationResourceLoader(); + if(resourceLoader == null){ + throw new ModelInitException("No resource loader set on model context"); + } + getScriptFile(); + + // Initialize the component type + ComponentType componentType = getComponentType(); + if (componentType == null) { + try { + componentType = createComponentType(modelContext); + } catch (IOException e) { + throw new ModelInitException("Error retrieving component type file",e); + } + setComponentType(componentType); + } + + super.initialize(modelContext); + + } + + String script; + + public String getScriptFile() { + return script; + } + + public void setScriptFile(String fn) { + script = fn; + } + + private String scriptCode; + + public String getScript() throws ModelInitException { + if (scriptCode != null) { + return scriptCode; + } + try { + URL url = resourceLoader.getResource(getScriptFile()); + if (url == null) { + ModelInitException ce = new ModelInitException("Script not found"); + ce.setIdentifier(getScriptFile()); + throw ce; + } + InputStream inputStream = url.openStream(); + try { + StringBuffer sb = new StringBuffer(); + int n = 0; + while ((n = inputStream.read()) != -1) { + sb.append((char) n); + } + scriptCode = sb.toString(); + return scriptCode; + } finally { + inputStream.close(); + } + } catch (IOException e) { + ModelInitException ce = new ModelInitException("Error reading script file",e); + ce.setIdentifier(getScriptFile()); + throw ce; + } + } + + /** + * Create the component type + * + * @param modelContext + * @param implementationClass + */ + private ComponentType createComponentType(AssemblyModelContext modelContext) throws IOException{ + String prefix = script.substring(0,script.lastIndexOf('.')); + URL componentTypeFile = resourceLoader.getResource(prefix + ".componentType"); + if (componentTypeFile != null) { + return modelContext.getAssemblyLoader().loadComponentType(componentTypeFile.toString()); + } else { + // TODO we could introspect the JavaScript source + return modelContext.getAssemblyFactory().createComponentType(); + } + } + + +} |