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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:08:02 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:08:02 +0000 |
commit | e0ff67c0b32813ea48734c770a5ffc1952644e29 (patch) | |
tree | f36cc42aee12d0f41c8ddd1f20b4e67364283352 /sca-java-1.x/branches/sca-java-1.3.1/modules/node2-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java | |
parent | 89d72264d0af4c65c9bf0b7a6f823f13d69162aa (diff) |
Moving 1.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835128 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.3.1/modules/node2-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-1.3.1/modules/node2-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.3.1/modules/node2-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java b/sca-java-1.x/branches/sca-java-1.3.1/modules/node2-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java new file mode 100644 index 0000000000..35ffbc4024 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.3.1/modules/node2-api/src/main/java/org/apache/tuscany/sca/node/SCANode2Factory.java @@ -0,0 +1,115 @@ +/* + * 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.Constructor; + +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 SCANode2Factory { + + + /** + * Returns a new SCA node factory instance. + * + * @return a new SCA node factory + */ + public static SCANode2Factory newInstance() { + SCANode2Factory scaNodeFactory = null; + + try { + final ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); + String className = "org.apache.tuscany.sca.node.impl.NodeFactoryImpl"; + + Class<?> cls = Class.forName(className, true, classLoader); + + Constructor<?> constructor = null; + + try { + constructor = cls.getConstructor(); + } catch (NoSuchMethodException e) { + // ignore + } + + if (constructor != null) { + scaNodeFactory = (SCANode2Factory)constructor.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 SCANode2 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 SCANode2 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 SCANode2 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 SCANode2 createSCANode(String compositeURI, String compositeContent, SCAContribution... contributions); + +} |