1 files changed, 193 insertions, 0 deletions
diff --git a/sdo-java/branches/emf-2.5/impl/src/main/java/org/apache/tuscany/sdo/helper/HelperContextImpl.java b/sdo-java/branches/emf-2.5/impl/src/main/java/org/apache/tuscany/sdo/helper/HelperContextImpl.java
new file mode 100644
index 0000000000..64ee628693
--- /dev/null
+++ b/sdo-java/branches/emf-2.5/impl/src/main/java/org/apache/tuscany/sdo/helper/HelperContextImpl.java
@@ -0,0 +1,193 @@
+/**
+ *
+ *  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 java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EcorePackage;
+import org.eclipse.emf.ecore.change.ChangePackage;
+import org.eclipse.emf.ecore.impl.EPackageRegistryImpl;
+import org.eclipse.emf.ecore.util.ExtendedMetaData;
+import org.eclipse.emf.ecore.xml.namespace.XMLNamespacePackage;
+import org.eclipse.emf.ecore.xml.type.XMLTypePackage;
+
+import commonj.sdo.helper.CopyHelper;
+import commonj.sdo.helper.DataFactory;
+import commonj.sdo.helper.DataHelper;
+import commonj.sdo.helper.EqualityHelper;
+import commonj.sdo.helper.HelperContext;
+import commonj.sdo.helper.TypeHelper;
+import commonj.sdo.helper.XMLHelper;
+import commonj.sdo.helper.XSDHelper;
+
+import org.apache.tuscany.sdo.SDOPackage;
+import org.apache.tuscany.sdo.api.XMLStreamHelper;
+
+public class HelperContextImpl implements HelperContext {
+    /*
+     * Relationship: HelperContext*Impl* ---1:1---> ExtendedMetaData ---1:1--->
+     * Map (:defaultOption) <---1:1---> TypeHelper <---1:1---> XMLHelper
+     * <---1:1---> XMLStreamHelper <---1:1---> XSDHelper <---1:1---> DataFactory
+     */
+
+    protected ExtendedMetaData extendedMetaData;
+    protected DataFactory dataFactory;
+    protected TypeHelper typeHelper;
+    protected XMLHelper xmlHelper;
+    protected XSDHelper xsdHelper;
+    protected XMLStreamHelper xmlStreamHelper;
+    protected Map defaultOptions = null;
+    
+    public HelperContextImpl(ExtendedMetaData extendedMetaData, boolean extensibleNamespaces) {
+        this.defaultOptions = null;
+        this.extendedMetaData = extendedMetaData;
+        typeHelper = new TypeHelperImpl(this);
+        dataFactory = new DataFactoryImpl(this);
+        xmlHelper = new XMLHelperImpl(this);
+        xsdHelper = new XSDHelperImpl(this, null, extensibleNamespaces);
+        xmlStreamHelper = new XMLStreamHelperImpl(this);
+    }
+    
+
+    public HelperContextImpl(ExtendedMetaData extendedMetaData, boolean extensibleNamespaces, Map options) {
+        this.defaultOptions = options;
+        this.extendedMetaData = extendedMetaData;
+        typeHelper = new TypeHelperImpl(this);
+        dataFactory = new DataFactoryImpl(this);
+        xmlHelper = new XMLHelperImpl(this);
+        xsdHelper = new XSDHelperImpl(this, null, extensibleNamespaces);
+        xmlStreamHelper = new XMLStreamHelperImpl(this);
+    }
+
+    // many places this is called in existing code
+    // This is used for supporting the deprecated util -
+    // org.apache.tuscany.sdo.util.SDOUtil
+    // Once we conpletely remove this deprecated util, we can remove the below
+    // constructor
+    public HelperContextImpl(TypeHelper scope) {
+        this(scope, null);
+    }
+
+
+    public HelperContextImpl(TypeHelper scope, Map options) {
+        this.defaultOptions = options;
+        typeHelper = scope;
+        this.extendedMetaData = ((TypeHelperImpl)scope).getExtendedMetaData();
+        dataFactory = new DataFactoryImpl(this);
+        xmlHelper = new XMLHelperImpl(this);
+        xsdHelper = new XSDHelperImpl(this);
+        xmlStreamHelper = new XMLStreamHelperImpl(this);
+    }
+
+    public HelperContextImpl(boolean extensibleNamespaces) {
+        this(new SDOExtendedMetaDataImpl(new EPackageRegistryImpl(getBuiltInModelRegistry())), extensibleNamespaces);
+    }
+
+
+    public HelperContextImpl(boolean extensibleNamespaces, Map options) {
+        this(new SDOExtendedMetaDataImpl(new EPackageRegistryImpl(getBuiltInModelRegistry())), extensibleNamespaces,
+             options);
+    }
+
+    static protected EPackage.Registry builtInModelRegistry = null;
+
+    static public EPackage.Registry getBuiltInModelRegistry() {
+        if (builtInModelRegistry == null) {
+            EPackageRegistryImpl registry = new EPackageRegistryImpl();
+            for (Iterator iter = TypeHelperImpl.getBuiltInModels().iterator(); iter.hasNext();) {
+                EPackage ePackage = (EPackage)iter.next();
+                registry.put(ePackage.getNsURI(), ePackage);
+            }
+            
+            registry.put(EcorePackage.eNS_URI, EcorePackage.eINSTANCE);
+            registry.put(XMLTypePackage.eNS_URI, XMLTypePackage.eINSTANCE);
+            registry.put(ChangePackage.eNS_URI, ChangePackage.eINSTANCE);
+            registry.put(XMLNamespacePackage.eNS_URI, XMLNamespacePackage.eINSTANCE);
+            registry.put(SDOPackage.eNS_URI, SDOPackage.eINSTANCE);
+            
+            builtInModelRegistry = registry;
+        }
+        return builtInModelRegistry;
+    }
+
+    public CopyHelper getCopyHelper() {
+        return CopyHelper.INSTANCE;
+    }
+
+    public DataFactory getDataFactory() {
+        return dataFactory;
+    }
+
+    public DataHelper getDataHelper() {
+        return DataHelper.INSTANCE;
+    }
+
+    public EqualityHelper getEqualityHelper() {
+        return EqualityHelper.INSTANCE;
+    }
+
+    public TypeHelper getTypeHelper() {
+        return typeHelper;
+    }
+
+    public XMLHelper getXMLHelper() {
+        return xmlHelper;
+    }
+
+    public XMLStreamHelper getXMLStreamHelper() {
+        return xmlStreamHelper;
+    }
+
+    public XSDHelper getXSDHelper() {
+        return xsdHelper;
+    }
+
+    public void setOptions(Map options) {
+        this.defaultOptions = options;
+    }
+
+    public Map getOptions() {
+        return this.defaultOptions;
+    }
+
+    public Map getMergedOption(Map options) {
+        Map mergedOptions = null;// copy to be used for merge
+
+        if (defaultOptions == null) {
+            return options;
+        }
+        
+        mergedOptions = new HashMap(defaultOptions);
+        if (options == null) {
+            return mergedOptions;
+        }
+        mergedOptions.putAll(options);
+        
+        return mergedOptions;
+    }
+
+    public ExtendedMetaData getExtendedMetaData() {
+        return extendedMetaData;
+    }
+}