/**
* 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.camel.component.bean;
import org.apache.camel.CamelContext;
import org.apache.camel.Processor;
import org.apache.camel.util.ObjectHelper;
/**
* A constant (singleton) bean implementation of {@link org.apache.camel.component.bean.BeanTypeHolder}
*
* @version
*/
public class ConstantTypeBeanHolder implements BeanTypeHolder {
private final Class<?> type;
private final BeanInfo beanInfo;
public ConstantTypeBeanHolder(Class<?> type, BeanInfo beanInfo) {
ObjectHelper.notNull(type, "type");
ObjectHelper.notNull(beanInfo, "beanInfo");
this.type = type;
this.beanInfo = beanInfo;
}
public ConstantTypeBeanHolder(Class<?> type, CamelContext context) {
this(type, new BeanInfo(context, type));
}
public ConstantTypeBeanHolder(Class<?> type, CamelContext context, ParameterMappingStrategy parameterMappingStrategy) {
this(type, new BeanInfo(context, type, parameterMappingStrategy));
}
/**
* Creates a cached and constant {@link org.apache.camel.component.bean.BeanHolder} from this holder.
*
* @return a new {@link org.apache.camel.component.bean.BeanHolder} that has cached the lookup of the bean.
*/
public ConstantBeanHolder createCacheHolder() throws Exception {
Object bean = getBean();
return new ConstantBeanHolder(bean, beanInfo);
}
@Override
public String toString() {
return type.toString();
}
public Object getBean() {
// only create a bean if we have constructors
if (beanInfo.hasPublicConstructors()) {
return getBeanInfo().getCamelContext().getInjector().newInstance(type);
} else {
return null;
}
}
public Processor getProcessor() {
return null;
}
public boolean supportProcessor() {
return false;
}
public BeanInfo getBeanInfo() {
return beanInfo;
}
public BeanInfo getBeanInfo(Object bean) {
return null;
}
public Class<?> getType() {
return type;
}
}