1 files changed, 108 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/BaseDataBinding.java b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/BaseDataBinding.java
new file mode 100644
index 0000000000..aa019ebdcf
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/BaseDataBinding.java
@@ -0,0 +1,108 @@
+/*
+ * 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;
+
+
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+
+/**
+ * Base Implementation of DataBinding
+ * 
+ * @version $Rev$ $Date$
+ * @tuscany.spi.extension.inheritfrom
+ */
+public abstract class BaseDataBinding implements DataBinding {
+
+    private Class<?> baseType;
+
+    private String name;
+
+    /**
+     * Create a databinding with the base java type whose name will be used as
+     * the name of the databinding
+     * 
+     * @param baseType The base java class or interface representing the
+     *            databinding, for example, org.w3c.dom.Node
+     */
+    protected BaseDataBinding(Class<?> baseType) {
+        this(baseType.getName(), baseType);
+    }
+
+    /**
+     * Create a databinding with the name and base java type
+     * 
+     * @param name The name of the databinding
+     * @param baseType The base java class or interface representing the
+     *            databinding, for example, org.w3c.dom.Node
+     */
+    protected BaseDataBinding(String name, Class<?> baseType) {
+        this.name = name;
+        this.baseType = baseType;
+    }
+
+    @SuppressWarnings("unchecked")
+    public boolean introspect(DataType type, Operation operation) {
+        assert type != null;
+        Class cls = type.getPhysical();
+        if (baseType != null && baseType.isAssignableFrom(cls)) {
+            type.setDataBinding(getName());
+            if (type.getLogical() == null) {
+                type.setLogical(XMLType.UNKNOWN);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    public DataType introspect(Object value, Operation operation) {
+        if (value == null) {
+            return null;
+        } else {
+            DataType<Class> dataType = new DataTypeImpl<Class>(value.getClass(), value.getClass());
+            if (introspect(dataType, (Operation) null)) {
+                return dataType;
+            } else {
+                return null;
+            }
+        }
+    }
+
+    public final String getName() {
+        return name;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.DataBinding#getWrapperHandler()
+     */
+    public WrapperHandler getWrapperHandler() {
+        return null;
+    }
+
+    public Object copy(Object object, DataType sourceDataType, DataType targetDataType, Operation sourceOperation, Operation targetOperation) {
+        return object;
+    }
+
+    public XMLTypeHelper getXMLTypeHelper() {
+        return null;
+    }
+
+}