/**
* 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.model;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import org.apache.camel.Processor;
import org.apache.camel.spi.Policy;
import org.apache.camel.spi.RouteContext;
/**
* Represents an XML <policy/> element
*
* @version $Revision: 705880 $
*/
@XmlRootElement(name = "policy")
@XmlAccessorType(XmlAccessType.FIELD)
public class PolicyRef extends OutputType<ProcessorType> {
@XmlAttribute(required = true)
private String ref;
@XmlTransient
private Policy policy;
public PolicyRef() {
}
public PolicyRef(Policy policy) {
this.policy = policy;
}
@Override
public String toString() {
return "Policy[" + description() + "]";
}
@Override
public String getShortName() {
return "policy";
}
@Override
public String getLabel() {
if (ref != null) {
return "ref: " + ref;
} else if (policy != null) {
return policy.toString();
} else {
return "";
}
}
public String getRef() {
return ref;
}
public void setRef(String ref) {
this.ref = ref;
}
@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
Processor childProcessor = createOutputsProcessor(routeContext);
Policy policy = resolvePolicy(routeContext);
if (policy == null) {
throw new IllegalArgumentException("No policy configured: " + this);
}
return policy.wrap(childProcessor);
}
protected Policy resolvePolicy(RouteContext routeContext) {
if (policy == null) {
policy = routeContext.lookup(getRef(), Policy.class);
}
return policy;
}
protected String description() {
if (policy != null) {
return policy.toString();
} else {
return "ref: " + ref;
}
}
}