| /** |
| * 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.processor.DelegateProcessor; |
| import org.apache.camel.processor.Traceable; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| /** |
| * A processor which validates the content of the inbound message body |
| * against a regular expression. |
| * |
| * @version $Revision$ |
| */ |
| public class PredicateValidatingProcessor extends DelegateProcessor implements Traceable { |
| |
| private static final Log LOG = LogFactory.getLog(PredicateValidatingProcessor.class); |
| |
| private final Predicate predicate; |
| |
| public PredicateValidatingProcessor(Predicate predicate, Processor processor) { |
| super(processor); |
| this.predicate = predicate; |
| } |
| |
| public void process(Exchange exchange) throws Exception { |
| boolean matches = predicate.matches(exchange); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Validation " + (matches ? "succeed " : "failed ") + "for " + exchange + " with Predicate[" + predicate + "]"); |
| } |
| |
| if (matches) { |
| super.process(exchange); |
| } else { |
| throw new PredicateValidationException(exchange, predicate); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "validate[" + predicate + "]"; |
| } |
| |
| public String getTraceLabel() { |
| return "validate"; |
| } |
| |
| public Predicate getPredicate() { |
| return predicate; |
| } |
| } |