/* | |
* 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.wicket; | |
import java.lang.reflect.Field; | |
import org.apache.tuscany.sca.implementation.web.runtime.utils.ContextHelper; | |
import org.apache.tuscany.sca.runtime.RuntimeComponent; | |
import org.apache.wicket.injection.IFieldValueFactory; | |
import org.oasisopen.sca.annotation.ComponentName; | |
import org.oasisopen.sca.annotation.Context; | |
import org.oasisopen.sca.annotation.Property; | |
import org.oasisopen.sca.annotation.Reference; | |
public class TuscanyFieldValueFactory implements IFieldValueFactory { | |
private IContextLocator contextLocator; | |
public TuscanyFieldValueFactory(IContextLocator contextLocator) { | |
this.contextLocator = contextLocator; | |
} | |
public Object getFieldValue(Field field, Object instance) { | |
Object value = null; | |
if (field.isAnnotationPresent(Reference.class)) { | |
Reference ref = field.getAnnotation(Reference.class); | |
String name = ref.name() != null && !ref.name().equals("") ? ref.name() : field.getName(); | |
value = ContextHelper.getReference(name, field.getType(), contextLocator.getServletContext()); | |
} else if (field.isAnnotationPresent(Property.class)) { | |
Property prop = field.getAnnotation(Property.class); | |
String name = prop.name() != null && !prop.name().equals("") ? prop.name() : field.getName(); | |
value = ContextHelper.getProperty(name, contextLocator.getServletContext()); | |
} else if (field.isAnnotationPresent(ComponentName.class)) { | |
RuntimeComponent rc = (RuntimeComponent)contextLocator.getServletContext().getAttribute(ContextHelper.COMPONENT_ATTR); | |
value = rc.getName(); | |
} else if (field.isAnnotationPresent(Context.class)) { | |
value = ContextHelper.getComponentContext(contextLocator.getServletContext()); | |
} | |
return value; | |
} | |
public boolean supportsField(Field field) { | |
return field.isAnnotationPresent(Reference.class) | |
|| field.isAnnotationPresent(Property.class) | |
|| field.isAnnotationPresent(Context.class) | |
|| field.isAnnotationPresent(ComponentName.class); | |
} | |
} |