Reading Open Library marc records

OpenLibraryMarc.java

package net.libcode.www.openlibrary;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;

import org.marc4j.MarcPermissiveStreamReader;
import org.marc4j.marc.Record;

public class OpenLibraryMarc {
	
	public static String ol_marc_records = "/home/mcooper/Downloads/all_meta.mrc";
	
	public static void main(String[] args) throws FileNotFoundException {
		long startTime = System.currentTimeMillis();
		validMarcReport(ol_marc_records, false);
		long endTime = System.currentTimeMillis();
		System.out.println("Total execution time: " + (millisToSeconds(endTime - startTime)) + "s");
		System.out.println();
		
		startTime = System.currentTimeMillis();
		validMarcReport(ol_marc_records, true);
		endTime = System.currentTimeMillis();
		System.out.println("Total execution time: " + (millisToSeconds(endTime - startTime)) + "s");
		System.out.println();
	}
	
	public static void validMarcReport(String file, boolean permissive) throws FileNotFoundException {
		MarcPermissiveStreamReader reader = new MarcPermissiveStreamReader(new FileInputStream(new File(ol_marc_records)), permissive, false);
		int valid = 0;
		int error = 0;
		while(reader.hasNext()) {
			try {
				@SuppressWarnings("unused")
				Record record = reader.next();
				valid += 1;
			} catch (Exception e) {
				error += 1;
			}
		}
		if(permissive) {
			System.out.println("PERMISSIVE READ");
		} else {
			System.out.println("DEFAULT READ");
		}
		System.out.println("VALID RECORDS: " + valid);
		if(permissive) error /= 3;
		System.out.println("ERROR RECORDS: " + error);
		System.out.println("TOTAL RECORDS: " + (valid + error));
	}
	
	public static long millisToSeconds(long milli) {
		return (long) (milli * 0.001);
	}

}