org.apache.camel.support.PropertyConfigurerHelper Maven / Gradle / Ivy
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* 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.support;
import org.apache.camel.CamelContext;
import org.apache.camel.Component;
import org.apache.camel.ExtendedCamelContext;
import org.apache.camel.spi.PropertyConfigurer;
import org.apache.camel.support.service.ServiceHelper;
import org.apache.camel.util.ObjectHelper;
/**
* Helper class for dealing with configurers.
*
* @see org.apache.camel.spi.PropertyConfigurer
* @see org.apache.camel.spi.PropertyConfigurerGetter
*/
public final class PropertyConfigurerHelper {
private PropertyConfigurerHelper() {
}
/**
* Resolves the given configurer.
*
* @param context the camel context
* @param target the target object for which we need a {@link org.apache.camel.spi.PropertyConfigurer}
* @return the resolved configurer, or null if no configurer could be found
*/
public static PropertyConfigurer resolvePropertyConfigurer(CamelContext context, Object target) {
ObjectHelper.notNull(target, "target");
ObjectHelper.notNull(context, "context");
PropertyConfigurer configurer = null;
if (target instanceof Component) {
// the component needs to be initialized to have the configurer ready
ServiceHelper.initService(target);
configurer = ((Component) target).getComponentPropertyConfigurer();
}
if (configurer == null) {
String name = target.getClass().getName();
// see if there is a configurer for it
configurer = context.adapt(ExtendedCamelContext.class)
.getConfigurerResolver()
.resolvePropertyConfigurer(name, context);
}
return configurer;
}
/**
* Resolves the given configurer.
*
* @param context the camel context
* @param targetType the target object type for which we need a {@link org.apache.camel.spi.PropertyConfigurer}
* @return the resolved configurer, or null if no configurer could be found
*/
public static PropertyConfigurer resolvePropertyConfigurer(CamelContext context, Class targetType) {
ObjectHelper.notNull(targetType, "targetType");
ObjectHelper.notNull(context, "context");
String name = targetType.getName();
// see if there is a configurer for it
return context.adapt(ExtendedCamelContext.class)
.getConfigurerResolver()
.resolvePropertyConfigurer(name, context);
}
/**
* Resolves the given configurer.
*
* @param context the camel context
* @param target the target object for which we need a {@link org.apache.camel.spi.PropertyConfigurer}
* @param type the specific type of {@link org.apache.camel.spi.PropertyConfigurer}
* @return the resolved configurer, or null if no configurer could be found
*/
public static T resolvePropertyConfigurer(CamelContext context, Object target, Class type) {
ObjectHelper.notNull(target, "target");
ObjectHelper.notNull(context, "context");
PropertyConfigurer configurer = resolvePropertyConfigurer(context, target);
if (type.isInstance(configurer)) {
return type.cast(configurer);
}
return null;
}
}