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Diffstat (limited to 'sdo-java/branches/sdo-1.0-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/DataFactoryImpl.java')
-rw-r--r-- | sdo-java/branches/sdo-1.0-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/DataFactoryImpl.java | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/sdo-java/branches/sdo-1.0-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/DataFactoryImpl.java b/sdo-java/branches/sdo-1.0-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/DataFactoryImpl.java new file mode 100644 index 0000000000..e3fbf0691a --- /dev/null +++ b/sdo-java/branches/sdo-1.0-incubating/impl/src/main/java/org/apache/tuscany/sdo/helper/DataFactoryImpl.java @@ -0,0 +1,69 @@ +/** + * + * 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.sdo.helper; + +import org.eclipse.emf.ecore.EClass; +import org.eclipse.emf.ecore.util.EcoreUtil; + +import commonj.sdo.DataObject; +import commonj.sdo.Type; +import commonj.sdo.helper.DataFactory; +import commonj.sdo.helper.HelperContext; +import commonj.sdo.helper.TypeHelper; + +/** + * A Factory for creating DataObjects. The created DataObjects are not connected + * to any other DataObjects. + */ +public class DataFactoryImpl implements DataFactory { + protected HelperContext helperContext; + + public DataFactoryImpl(HelperContext hc) { + this.helperContext = hc; + } + + public DataObject create(String uri, String typeName) { + Type type = helperContext.getTypeHelper().getType(uri, typeName); + return create(type); + } + + public DataObject create(Class interfaceClass) { + // TODO more efficient implementation ... this is a really bad one! + Type type = helperContext.getTypeHelper().getType(interfaceClass); + return create(type); + } + + public DataObject create(Type type) { + if ((type instanceof EClass) && !type.isAbstract()) { + EClass eClass = (EClass)type; + try { + return (DataObject)EcoreUtil.create(eClass); + } catch (ClassCastException e) { + throw new IllegalArgumentException(); + } + } + throw new IllegalArgumentException(); + } + + public HelperContext getHelperContext() { + return helperContext; + } + +} |