diff options
Diffstat (limited to 'sca-java-1.x/tags/0.90-incubating/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOContextHelper.java')
-rw-r--r-- | sca-java-1.x/tags/0.90-incubating/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOContextHelper.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.90-incubating/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOContextHelper.java b/sca-java-1.x/tags/0.90-incubating/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOContextHelper.java new file mode 100644 index 0000000000..78058a5969 --- /dev/null +++ b/sca-java-1.x/tags/0.90-incubating/modules/databinding-sdo/src/main/java/org/apache/tuscany/sca/databinding/sdo/SDOContextHelper.java @@ -0,0 +1,106 @@ +/* + * 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.databinding.sdo; + +import java.awt.Component; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.util.XMLType; +import org.apache.tuscany.sdo.util.SDOUtil; + +import commonj.sdo.helper.HelperContext; +import commonj.sdo.impl.HelperProvider; + +/** + * Helper class to get TypeHelper from the context + */ +public final class SDOContextHelper { + private SDOContextHelper() { + } + + public static HelperContext getHelperContext(TransformationContext context) { + if (context == null || context.getMetadata() == null) { + return getDefaultHelperContext(); + } + HelperContext helperContext = null; + Component composite = (Component)context.getMetadata().get(Component.class); + if (composite != null) { + // SDOHelperContext sdoContext = + // (SDOHelperContext)composite.getExtensions().get(HelperContext.class.getName()); + // if (sdoContext != null) { + // helperContext = sdoContext.getHelperContext(); + // } + // AtomicComponent child = + // (AtomicComponent)composite.getSystemChild(HelperContext.class.getName()); + // try { + // helperContext = (HelperContext)child.getTargetInstance(); + // } catch (TargetResolutionException e) { + // helperContext = null; + // } + } + if (helperContext == null) { + return getDefaultHelperContext(); + } else { + return helperContext; + } + } + + public static HelperContext getHelperContext(Composite model) { + HelperContext helperContext = null; + for (Object ext : model.getExtensions()) { + if (ext instanceof HelperContext) { + helperContext = (HelperContext)ext; + break; + } + } + if (helperContext == null) { + helperContext = SDOUtil.createHelperContext(); + model.getExtensions().add(helperContext); + } + + if (helperContext == null) { + helperContext = getDefaultHelperContext(); + } + + return helperContext; + } + + protected static HelperContext getDefaultHelperContext() { + // SDOUtil.createHelperContext(); + return HelperProvider.getDefaultContext(); + } + + public static QName getElement(DataType<?> dataType) { + Object logical = dataType.getLogical(); + QName elementName = SDODataBinding.ROOT_ELEMENT; + if (logical instanceof XMLType) { + XMLType xmlType = (XMLType)logical; + QName element = xmlType.getElementName(); + if (element != null) { + elementName = element; + } + } + return elementName; + } +} |