DNSLookupProcessor.java

/**
 * 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.coheigea.camel.dns;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.xbill.DNS.Record;

/**
 * A Camel processor that takes the results of the DNS lookup + sets the Body with a String
 * representation of the result.
 */
public class DNSLookupProcessor implements Processor {

    public void process(Exchange exchange) throws Exception {
        Record[] data = exchange.getIn().getBody(Record[].class); 
        StringBuilder result = new StringBuilder();
        for (Object obj : data) {
            if (obj instanceof Record) {
                Record record = (Record)obj;
                
                // Write out the record
                result.append(record.rdataToString() + "\n");
            }
        }
        exchange.getIn().setBody(result.toString());
    }
    
}