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The Core Camel Java DSL based router
/**
* 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.processor.validation;
import org.apache.camel.Exchange;
import org.apache.camel.Predicate;
import org.apache.camel.Processor;
import org.apache.camel.Traceable;
import org.apache.camel.support.ServiceSupport;
import org.apache.camel.util.ObjectHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A processor which validates the content of the inbound message body against a {@link Predicate}.
*
* @version
*/
public class PredicateValidatingProcessor extends ServiceSupport implements Processor, Traceable {
private static final Logger LOG = LoggerFactory.getLogger(PredicateValidatingProcessor.class);
private final Predicate predicate;
public PredicateValidatingProcessor(Predicate predicate) {
ObjectHelper.notNull(predicate, "predicate", this);
this.predicate = predicate;
}
public void process(Exchange exchange) throws Exception {
boolean matches = predicate.matches(exchange);
if (LOG.isDebugEnabled()) {
LOG.debug("Validation {} for {} with Predicate[{}]", matches ? "succeed" : "failed", exchange, predicate);
}
if (!matches) {
throw new PredicateValidationException(exchange, predicate);
}
}
public Predicate getPredicate() {
return predicate;
}
@Override
public String toString() {
return "validate(" + predicate + ")";
}
public String getTraceLabel() {
return "validate[" + predicate + "]";
}
@Override
protected void doStart() throws Exception {
// noop
}
@Override
protected void doStop() throws Exception {
// noop
}
}