ScrapeProfessor.java

package com.tevinjeffrey.rmp.scraper;

import com.tevinjeffrey.rmp.common.Location;
import com.tevinjeffrey.rmp.common.Parameter;
import com.tevinjeffrey.rmp.common.Professor;
import com.tevinjeffrey.rmp.common.Rating;

import org.apache.commons.lang3.StringUtils;

import java.util.Comparator;
import java.util.Locale;

public class ScrapeProfessor extends Professor {

    public int compareTo(Professor o) {
        return 0;
    }

    public static class ProfessorComparator {

        final private String mLocation;
        final private String mSubject;
        final private String mFirstName;

        final private LocationComparator locationComparator;
        final private NameComparator nameComparator;
        final private DepartmentComparator departmentComparator;

        public ProfessorComparator(Parameter params) {
            this.mLocation = params.location;
            this.mSubject = params.department;
            this.mFirstName = params.firstName;

            locationComparator = new LocationComparator(mLocation);
            nameComparator = new NameComparator(mFirstName);
            departmentComparator = new DepartmentComparator(mSubject);
        }

        public LocationComparator getLocationComparator() {
            return locationComparator;
        }

        public NameComparator getNameComparator() {
            return nameComparator;
        }

        public DepartmentComparator getDepartmentComparator() {
            return departmentComparator;
        }

        public static class LocationComparator implements Comparator<ScrapeProfessor> {

            final private String mLocation;

            public LocationComparator(String location) {
                this.mLocation = location;
            }

            @Override
            public int compare(ScrapeProfessor prof1, ScrapeProfessor prof2) {
                if (prof1.getLocation().equals(mLocation) && !prof2.getLocation().equals(mLocation)) {
                    return -1;
                } else if (!prof1.getLocation().equals(mLocation) && prof2.getLocation().equals(mLocation)) {
                    return 1;
                } else {
                    return prof1.getLocation().getCity().compareTo(prof2.getLocation().getCity());
                }
            }
        }


        public static class NameComparator implements Comparator<ScrapeProfessor> {

            final private String firstName;

            public NameComparator(String firstName) {
                this.firstName = firstName;
            }

            @Override
            public int compare(ScrapeProfessor prof1, ScrapeProfessor prof2) {
                if (firstName.length() == 0) {
                    return prof1.compareTo(prof2);
                } else {
                    if (prof1.getFirstName() != null && prof1.getFirstName().charAt(0) == firstName.charAt(0) &&
                            prof2.getFirstName() != null && prof2.getFirstName().charAt(0) != firstName.charAt(0)) {
                        return -1;
                    } else if (prof1.getFirstName() != null && prof1.getFirstName().charAt(0) != firstName.charAt(0) &&
                            prof2.getFirstName() != null && prof2.getFirstName().charAt(0) == firstName.charAt(0)) {
                        return 1;
                    } else {
                        return prof1.compareTo(prof2);
                    }
                }
            }
        }

        public static class DepartmentComparator implements Comparator<ScrapeProfessor> {

            final private String mDepartment;

            public DepartmentComparator(String department) {
                this.mDepartment = department;
            }

            @Override
            public int compare(ScrapeProfessor prof1, ScrapeProfessor prof2) {
                if (StringUtils.getFuzzyDistance(prof1.getDepartment(), mDepartment, Locale.ENGLISH) >
                        StringUtils.getFuzzyDistance(prof2.getDepartment(), mDepartment, Locale.ENGLISH)) {
                    return -1;
                } else if (StringUtils.getFuzzyDistance(prof1.getDepartment(), mDepartment, Locale.ENGLISH) <
                        StringUtils.getFuzzyDistance(prof2.getDepartment(), mDepartment, Locale.ENGLISH)) {
                    return 1;
                } else {
                    return 0;
                }
            }
        }
    }
}