DuplicateRemoveParser.java

package smash.appointment.parse;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

public class DuplicateRemoveParser {
	private SubjectDao subjectDao;

	public void removeDuplicates(String filename) throws IOException {
		try (BufferedReader br = new BufferedReader(new FileReader(filename))) {
			String line;
			while ((line = br.readLine()) != null) {
				String tmp[] = line.split("\t");
				Subject subject = subjectDao.getByScreeningNumber(tmp[0]);
				if (subject == null) {
					throw new InvalidArgumentException("Cannot find subject with id: " + tmp[0]);
				}
				for (int i = 1; i < tmp.length; i++) {
					Subject duplicate = subjectDao.getByScreeningNumber(tmp[i]);

					if (duplicate == null) {
						throw new InvalidArgumentException("Cannot find subject with id: " + tmp[i]);
					}
					subjectDao.removeDuplicate(subject, duplicate, "DUPLICATES: " + tmp[0] + ", " + tmp[i]);
				}
			}
		}

	}

	/**
	 * @return the subjectDao
	 * @see #subjectDao
	 */
	public SubjectDao getSubjectDao() {
		return subjectDao;
	}

	/**
	 * @param subjectDao
	 *          the subjectDao to set
	 * @see #subjectDao
	 */
	public void setSubjectDao(SubjectDao subjectDao) {
		this.subjectDao = subjectDao;
	}
}