Parser.java
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			package io;

			public class Parser {

			public static Integer parsePatientID(String patientIDToken) {

			Integer patientID;

			if(patientIDToken.matches("^\\d+$")) {
			patientID = Integer.parseInt(patientIDToken);
			}
			else if(patientIDToken.matches("^.*_\\d+$")) {
			String[] subtokens = patientIDToken.split("_");
			patientID = Integer.parseInt(subtokens[subtokens.length-1]);
			}
			else {
			throw new IllegalArgumentException("Input file does not have a valid line format.");
			}

			return patientID;
			}
			}

genopri-shcs/project/PPPCommons/src/io/Parser.javaba32552da914ms_access_migration