org.kuali.coeus.s2sgen.impl.generate.support.ProposalPersonComparator.java Source code

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Here is the source code for org.kuali.coeus.s2sgen.impl.generate.support.ProposalPersonComparator.java

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/*
 * Copyright 2005-2014 The Kuali Foundation
 * 
 * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.kuali.coeus.s2sgen.impl.generate.support;

import org.kuali.coeus.propdev.api.person.ProposalPersonContract;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Comparator;

import static org.apache.commons.lang3.StringUtils.isNotBlank;

/**
 * Used to order <code>{@link ProposalPersonContract}</code> instances by the role.
 */
public class ProposalPersonComparator implements Comparator<ProposalPersonContract> {
    private static final Logger LOG = LoggerFactory.getLogger(ProposalPersonComparator.class);

    /**
     * compare one <code>{@link ProposalPersonContract}</code> instance to another. Sort by the role of the
     *  <code>{@link ProposalPersonContract}</code>
     * 
     * @param person1
     * @param person2
     * @return int
     */
    public int compare(ProposalPersonContract person1, ProposalPersonContract person2) {
        int retval = 0;

        if (person1.isInvestigator() || person2.isInvestigator()) {
            if (person1.isPrincipalInvestigator() || person2.isPrincipalInvestigator()) {
                if (person1.isPrincipalInvestigator()) {
                    retval--;
                }

                if (person2.isPrincipalInvestigator()) {
                    retval++;
                }
            }
        }

        if (retval == 0) {
            retval = massageOrdinalNumber(person1).compareTo(massageOrdinalNumber(person2));
        }

        if (retval == 0) {
            if (isNotBlank(person1.getFullName())) {
                retval = person1.getLastName().compareTo(person2.getLastName());
            } else if (isNotBlank(person2.getLastName())) {
                retval--;
            }
        }

        LOG.info("retval = " + retval);

        return retval;
    }

    private Integer massageOrdinalNumber(ProposalPersonContract person) {
        return person.getOrdinalPosition() != null ? person.getOrdinalPosition() : -1;
    }

}