org.apache.camel.model.DynamicRouterDefinition Maven / Gradle / Ivy
/**
* 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 java.util.Collections;
import java.util.List;
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 org.apache.camel.Expression;
import org.apache.camel.Processor;
import org.apache.camel.model.language.ExpressionDefinition;
import org.apache.camel.processor.DynamicRouter;
import org.apache.camel.spi.Metadata;
import org.apache.camel.spi.RouteContext;
/**
* Routes messages based on dynamic rules
*/
@Metadata(label = "eip,endpoint,routing")
@XmlRootElement(name = "dynamicRouter")
@XmlAccessorType(XmlAccessType.FIELD)
public class DynamicRouterDefinition> extends NoOutputExpressionNode {
public static final String DEFAULT_DELIMITER = ",";
@XmlAttribute @Metadata(defaultValue = ",")
private String uriDelimiter;
@XmlAttribute
private Boolean ignoreInvalidEndpoints;
public DynamicRouterDefinition() {
}
public DynamicRouterDefinition(Expression expression) {
super(expression);
}
@Override
public String toString() {
return "DynamicRouter[" + getExpression() + "]";
}
@Override
public String getLabel() {
return "dynamicRouter[" + getExpression() + "]";
}
@Override
public List> getOutputs() {
return Collections.emptyList();
}
@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
Expression expression = getExpression().createExpression(routeContext);
String delimiter = getUriDelimiter() != null ? getUriDelimiter() : DEFAULT_DELIMITER;
DynamicRouter dynamicRouter = new DynamicRouter(routeContext.getCamelContext(), expression, delimiter);
if (getIgnoreInvalidEndpoints() != null) {
dynamicRouter.setIgnoreInvalidEndpoints(getIgnoreInvalidEndpoints());
}
return dynamicRouter;
}
/**
* Expression to call that returns the endpoint(s) to route to in the dynamic routing.
*
* Important: The expression will be called in a while loop fashion, until the expression returns null
* which means the dynamic router is finished.
*/
@Override
public void setExpression(ExpressionDefinition expression) {
// override to include javadoc what the expression is used for
super.setExpression(expression);
}
public void setUriDelimiter(String uriDelimiter) {
this.uriDelimiter = uriDelimiter;
}
public String getUriDelimiter() {
return uriDelimiter;
}
public void setIgnoreInvalidEndpoints(Boolean ignoreInvalidEndpoints) {
this.ignoreInvalidEndpoints = ignoreInvalidEndpoints;
}
public Boolean getIgnoreInvalidEndpoints() {
return ignoreInvalidEndpoints;
}
// Fluent API
// -------------------------------------------------------------------------
@Override
@SuppressWarnings("unchecked")
public Type end() {
// allow end() to return to previous type so you can continue in the DSL
return (Type) super.end();
}
/**
* Ignore the invalidate endpoint exception when try to create a producer with that endpoint
*
* @return the builder
*/
public DynamicRouterDefinition ignoreInvalidEndpoints() {
setIgnoreInvalidEndpoints(true);
return this;
}
/**
* Sets the uri delimiter to use
*
* @param uriDelimiter the delimiter
* @return the builder
*/
public DynamicRouterDefinition uriDelimiter(String uriDelimiter) {
setUriDelimiter(uriDelimiter);
return this;
}
}