resolver/src/main/java/org/apache/james/jspf/policies/local/BestGuessPolicy.java

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package org.apache.james.jspf.policies.local;

import org.apache.james.jspf.core.SPF1Record;
import org.apache.james.jspf.core.SPF1Utils;
import org.apache.james.jspf.core.exceptions.NeutralException;
import org.apache.james.jspf.core.exceptions.NoneException;
import org.apache.james.jspf.core.exceptions.PermErrorException;
import org.apache.james.jspf.core.exceptions.TempErrorException;
import org.apache.james.jspf.policies.PolicyPostFilter;

/**
 * PolicyPostFilter which handles best guess. 
 * See http://www.openspf.org/FAQ/Best_guess_record for more informations 
 * 
 *
 */
public class BestGuessPolicy implements PolicyPostFilter {

    /**
     * @see org.apache.james.jspf.policies.PolicyPostFilter#getSPFRecord(java.lang.String, org.apache.james.jspf.core.SPF1Record)
     */
    public SPF1Record getSPFRecord(String currentDomain, SPF1Record record)
            throws PermErrorException, TempErrorException, NoneException,
            NeutralException {
        if (record == null) {
            // We should use bestguess
            return new SPF1Record(SPF1Utils.BEST_GUESS_RECORD);
        } else {
            return record;
        }
    }
}