Refactor the databinding introspection to tuscany-implementation-java-runtime to avoid deployment time dependency

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@903738 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 103 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/databinding/PropertyDataTypeProcessor.java b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/databinding/PropertyDataTypeProcessor.java
new file mode 100644
index 0000000000..99a8b6d3d7
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/databinding/PropertyDataTypeProcessor.java
@@ -0,0 +1,83 @@
+/*
+ * 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.implementation.java.databinding;
+
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.databinding.Mediator;
+import org.apache.tuscany.sca.implementation.java.IntrospectionException;
+import org.apache.tuscany.sca.implementation.java.JavaElementImpl;
+import org.apache.tuscany.sca.implementation.java.JavaImplementation;
+import org.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor;
+import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.JavaXMLMapper;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+
+/**
+ * 
+ */
+public class PropertyDataTypeProcessor extends BaseJavaClassVisitor {
+    private Mediator mediator;
+
+    /**
+     * @param registry
+     */
+    public PropertyDataTypeProcessor(ExtensionPointRegistry registry) {
+        super(registry);
+        UtilityExtensionPoint utilityExtensionPoint = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        this.mediator = utilityExtensionPoint.getUtility(Mediator.class);
+    }
+
+    /**
+     * Introspect the property 
+     * @param javaElement
+     * @return
+     */
+    private DataType<?> introspect(Property property, JavaElementImpl javaElement) {
+        XMLType xmlType = new XMLType(property.getXSDElement(), property.getXSDType());
+        DataType<XMLType> dt =
+            new DataTypeImpl<XMLType>(null, javaElement.getType(), javaElement.getGenericType(), xmlType);
+        mediator.getDataBindings().introspectType(dt, null);
+        return dt;
+    }
+
+    @Override
+    public <T> void visitEnd(Class<T> clazz, JavaImplementation type) throws IntrospectionException {
+        for (Property property : type.getProperties()) {
+            String name = property.getName();
+            JavaElementImpl element = type.getPropertyMembers().get(name);
+            DataType dt = introspect(property, element);
+            property.setDataType(dt);
+            if (dt.getLogical() instanceof XMLType) {
+                XMLType xmlType = (XMLType)dt.getLogical();
+                property.setXSDType(xmlType.getTypeName());
+                property.setXSDElement(xmlType.getElementName());
+            } else {
+                Class<?> baseType = JavaIntrospectionHelper.getBaseType(element.getType(), element.getGenericType());
+                property.setXSDType(JavaXMLMapper.getXMLType(baseType));
+            }
+        }
+        super.visitEnd(clazz, type);
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor
new file mode 100644
index 0000000000..e649b68466
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation 

+# 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 

+# "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.

+# 

+# NOTE: The ranking attribute is important for the JavaClassVistors 

+# Some visitors need to be called after the others 

+org.apache.tuscany.sca.implementation.java.databinding.PropertyDataTypeProcessor;ranking=750