Duplicates removal

appointment-import/src/main/java/smash/appointment/parse/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;
+	}
+}