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Diffstat (limited to 'branches/sca-android/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java')
-rw-r--r-- | branches/sca-android/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/branches/sca-android/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java b/branches/sca-android/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java deleted file mode 100644 index e41afd29c4..0000000000 --- a/branches/sca-android/modules/node-api/src/main/java/org/apache/tuscany/sca/node/SCANodeFactory.java +++ /dev/null @@ -1,201 +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.node; - -import java.lang.reflect.InvocationTargetException; - -import org.osoa.sca.CallableReference; -import org.osoa.sca.ServiceReference; -import org.osoa.sca.ServiceRuntimeException; - -/** - * A factory for SCA processing nodes. An SCA processing node can be loaded - * with an SCA composite and the SCA contributions required by the composite. - * - * @version $Rev$ $Date$ - */ -public abstract class SCANodeFactory { - - public static class NodeProxy implements SCANode, SCAClient { - private Object node; - - private NodeProxy(Object node) { - super(); - this.node = node; - } - - public static <T> T createProxy(Class<T> type, Object node) { - try { - return type.getDeclaredConstructor(Object.class).newInstance(node); - } catch (Exception e) { - throw new IllegalArgumentException(e); - } - } - - public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException { - try { - return (R)node.getClass().getMethod("cast", Object.class).invoke(node, target); - } catch (Throwable e) { - handleException(e); - return null; - } - } - - public <B> B getService(Class<B> businessInterface, String serviceName) { - try { - return (B)node.getClass().getMethod("getService", Class.class, String.class).invoke(node, - businessInterface, - serviceName); - } catch (Throwable e) { - handleException(e); - return null; - } - } - - public <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String serviceName) { - try { - return (ServiceReference<B>)node.getClass().getMethod("getServiceReference", Class.class, String.class) - .invoke(node, businessInterface, serviceName); - } catch (Throwable e) { - handleException(e); - return null; - } - } - - public void start() { - try { - node.getClass().getMethod("start").invoke(node); - } catch (Throwable e) { - handleException(e); - } - } - - public void stop() { - try { - node.getClass().getMethod("stop").invoke(node); - } catch (Throwable e) { - handleException(e); - } - } - - private static void handleException(Throwable ex) { - if (ex instanceof InvocationTargetException) { - ex = ((InvocationTargetException)ex).getTargetException(); - } - if (ex instanceof RuntimeException) { - throw (RuntimeException)ex; - } - if (ex instanceof Error) { - throw (Error)ex; - } else { - throw new RuntimeException(ex); - } - } - - } - - /** - * Returns a new SCA node factory instance. - * - * @return a new SCA node factory - */ - public static SCANodeFactory newInstance() { - SCANodeFactory scaNodeFactory = null; - - try { - // final ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); - // Use reflection APIs to call ServiceDiscovery to avoid hard dependency to tuscany-extensibility - try { - Class<?> discoveryClass = - Class.forName("org.apache.tuscany.sca.extensibility.ServiceDiscovery"); - Object instance = discoveryClass.getMethod("getInstance").invoke(null); - Class<?> factoryImplClass = - (Class<?>)discoveryClass.getMethod("loadFirstServiceClass", Class.class) - .invoke(instance, SCANodeFactory.class); - if (factoryImplClass != null) { - scaNodeFactory = (SCANodeFactory)factoryImplClass.newInstance(); - return scaNodeFactory; - } - } catch (ClassNotFoundException e) { - // Ignore - } - - // Fail back to default impl - String className = "org.apache.tuscany.sca.node.impl.NodeFactoryImpl"; - - Class<?> cls = Class.forName(className); - scaNodeFactory = (SCANodeFactory)cls.newInstance(); - return scaNodeFactory; - - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - } - - /** - * Create a SCA node based on the discovery of the contribution on the classpath for the - * given classloader. This method should be treated a convinient shortcut with the following - * assumptions: - * <ul> - * <li>This is a standalone application and there is a deployable composite file on the classpath. - * <li>There is only one contribution which contains the deployable composite file physically in its packaging hierarchy. - * </ul> - * @param compositeURI The URI of the composite file relative to the root of the enclosing contribution - * @param classLoader The ClassLoader used to load the composite file as a resource. If the value is null, - * then thread context classloader will be used - * @return A newly created SCA node - */ - public abstract SCANode createSCANodeFromClassLoader(String compositeURI, ClassLoader classLoader); - - /** - * Creates a new SCA node from the configuration URL - * - * @param configurationURL the URL of the node configuration which is the ATOM feed - * that contains the URI of the composite and a collection of URLs for the contributions - * - * @return a new SCA node. - */ - public abstract SCANode createSCANodeFromURL(String configurationURL); - - /** - * Creates a new SCA node. - * - * @param compositeURI the URI of the composite to use - * @param contributions the URI of the contributions that provides the composites and related - * artifacts. If the list is empty, then we will use the thread context classloader to discover - * the contribution on the classpath - * - * @return a new SCA node. - */ - public abstract SCANode createSCANode(String compositeURI, SCAContribution... contributions); - - /** - * Creates a new SCA node. - * - * @param compositeURI the URI of the composite to use - * @param compositeContent the XML content of the composite to use - * @param contributions the URI of the contributions that provides the composites and related artifacts - * @return a new SCA node. - */ - public abstract SCANode createSCANode(String compositeURI, - String compositeContent, - SCAContribution... contributions); - -} |