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/**
*
* 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;
}
}
}
}
}
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