/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.aries.blueprint.plugin.model;
import org.apache.aries.blueprint.plugin.handlers.Handlers;
import org.apache.aries.blueprint.plugin.spi.CustomDependencyAnnotationHandler;
import org.apache.aries.blueprint.plugin.spi.XmlWriter;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import java.lang.annotation.Annotation;
import static org.apache.aries.blueprint.plugin.model.AnnotationHelper.findName;
import static org.apache.aries.blueprint.plugin.model.AnnotationHelper.findValue;
import static org.apache.aries.blueprint.plugin.model.NamingHelper.getBeanName;
class Argument implements XmlWriter {
private final String ref;
private final String value;
Argument(BlueprintRegistry blueprintRegistry, Class<?> argumentClass, Annotation[] annotations) {
this.value = findValue(annotations);
if (value != null) {
ref = null;
return;
}
this.ref = findRef(blueprintRegistry, argumentClass, annotations);
}
private String findRef(BlueprintRegistry blueprintRegistry, Class<?> argumentClass, Annotation[] annotations) {
String ref = findName(annotations);
for (CustomDependencyAnnotationHandler customDependencyAnnotationHandler : Handlers.CUSTOM_DEPENDENCY_ANNOTATION_HANDLERS) {
Annotation annotation = (Annotation) AnnotationHelper.findAnnotation(annotations, customDependencyAnnotationHandler.getAnnotation());
if (annotation != null) {
String generatedRef = customDependencyAnnotationHandler.handleDependencyAnnotation(argumentClass, annotation, ref, blueprintRegistry);
if (generatedRef != null) {
ref = generatedRef;
break;
}
}
}
if (ref == null) {
BeanTemplate template = new BeanTemplate(argumentClass, annotations);
BeanRef bean = blueprintRegistry.getMatching(template);
if (bean != null) {
ref = bean.id;
} else {
ref = getBeanName(argumentClass);
}
}
return ref;
}
String getRef() {
return this.ref;
}
String getValue() {
return this.value;
}
@Override
public void write(XMLStreamWriter writer) throws XMLStreamException {
writer.writeEmptyElement("argument");
if (ref != null) {
writer.writeAttribute("ref", ref);
} else if (value != null) {
writer.writeAttribute("value", value);
}
}
}