1 files changed, 80 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/PropertyReferenceValidator.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/PropertyReferenceValidator.java
new file mode 100644
index 0000000000..bc8ef02777
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/PropertyReferenceValidator.java
@@ -0,0 +1,80 @@
+/**
+ *
+ * Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ * Licensed 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.core.config.processor;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.lang.reflect.Field;
+import java.util.Set;
+
+import org.apache.tuscany.core.config.ConfigurationLoadException;
+import org.apache.tuscany.core.config.MetaDataException;
+import org.apache.tuscany.core.config.JavaIntrospectionHelper;
+import org.apache.tuscany.model.assembly.AssemblyFactory;
+import org.apache.tuscany.model.assembly.ComponentType;
+import org.osoa.sca.annotations.Property;
+import org.osoa.sca.annotations.Reference;
+
+/**
+ * Validates the use of {@link org.osoa.sca.annotations.Property} and {@link
+ * org.osoa.sca.annotations.Reference} annotations beyond native Java syntactic capabilities
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public class PropertyReferenceValidator extends ImplementationProcessorSupport {
+
+    public PropertyReferenceValidator(AssemblyFactory factory) {
+        super(factory);
+    }
+
+    public void visitEnd(Class<?> clazz, ComponentType type) throws ConfigurationLoadException {
+        // validate methods do not contain both @Reference and @Property annotations
+        Method[] methods = clazz.getMethods();
+        boolean found;
+        for (Method method : methods) {
+            found = false;
+            Annotation[] anotations = method.getAnnotations();
+            for (Annotation annotation : anotations) {
+                if (Property.class.equals(annotation.annotationType())
+                        || Reference.class.equals(annotation.annotationType())) {
+                    if (found) {
+                        MetaDataException e = new MetaDataException("Method cannot specify both property and reference");
+                        e.setIdentifier(method.getName());
+                        throw e;
+                    }
+                    found = true;
+                }
+            }
+        }
+        // validate fields do not contain both @Reference and @Property annotations
+        Set<Field> fields = JavaIntrospectionHelper.getAllPublicAndProtectedFields(clazz);
+        for (Field field : fields) {
+            found = false;
+            Annotation[] anotations = field.getAnnotations();
+            for (Annotation annotation : anotations) {
+                if (Property.class.equals(annotation.annotationType())
+                        || Reference.class.equals(annotation.annotationType())) {
+                    if (found) {
+                        MetaDataException e = new MetaDataException("Field cannot specify both property and reference");
+                        e.setIdentifier(field.getName());
+                        throw e;
+                    }
+                    found = true;
+                }
+            }
+        }
+
+    }
+
+}