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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.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import org.apache.tuscany.core.config.ConfigurationLoadException;
import org.apache.tuscany.core.config.InvalidSetterException;
import org.apache.tuscany.core.config.JavaIntrospectionHelper;
import org.apache.tuscany.model.assembly.AssemblyFactory;
import org.apache.tuscany.model.assembly.ComponentType;
import org.apache.tuscany.model.assembly.Property;
import org.osoa.sca.annotations.Scope;
/**
* Processes the {@link org.osoa.sca.annotations.Property} annotation
*
* @version $$Rev$$ $$Date$$
*/
@Scope("MODULE")
public class PropertyProcessor extends ImplementationProcessorSupport {
public PropertyProcessor(AssemblyFactory factory) {
super(factory);
}
public PropertyProcessor() {
}
@Override
public void visitMethod(Method method, ComponentType type) throws ConfigurationLoadException {
if (method.getDeclaringClass().equals(Object.class)) {
return;
}
org.osoa.sca.annotations.Property annotation = method.getAnnotation(org.osoa.sca.annotations.Property.class);
if (annotation != null) {
if (!Modifier.isPublic(method.getModifiers())) {
InvalidSetterException e = new InvalidSetterException("Property setter method is not public");
e.setIdentifier(method.toString());
throw e;
}
Class<?>[] params = method.getParameterTypes();
if (params.length != 1) {
InvalidSetterException e = new InvalidSetterException("Property setter method must have one parameter");
e.setIdentifier(method.toString());
throw e;
}
String name = annotation.name();
if (name.length() == 0) {
name = method.getName();
if (name.length() > 3 && name.startsWith("set")) {
// follow JavaBeans conventions
name = JavaIntrospectionHelper.toPropertyName(name);
}
}
addProperty(name, method.getParameterTypes()[0], annotation.required(), type);
}
}
@Override
public void visitField(Field field, ComponentType type) throws ConfigurationLoadException {
if (field.getDeclaringClass().equals(Object.class)) {
return;
}
int modifiers = field.getModifiers();
org.osoa.sca.annotations.Property annotation = field.getAnnotation(org.osoa.sca.annotations.Property.class);
if (annotation != null) {
if (!Modifier.isPublic(modifiers) && !Modifier.isProtected(modifiers)) {
InvalidSetterException e = new InvalidSetterException("Property field is not public or protected");
e.setIdentifier(field.getName());
throw e;
}
String name = annotation.name();
if (name.length() == 0) {
name = field.getName();
}
addProperty(name, field.getType(), annotation.required(), type);
}
}
private void addProperty(String name, Class<?> propType, boolean required, ComponentType type) {
Property property = factory.createProperty();
property.setName(name);
property.setRequired(required);
property.setType(propType);
type.getProperties().add(property);
}
}
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