com.solab.iso8583.util.SimpleParser Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of j8583 Show documentation

Java implementation of the ISO 8583 protocol, focused on making the creation, edition and reading of ISO8583 messages as simple and flexible as possible.

There is a newer version: 2.0.0

Show newest version

/*
 * j8583 A Java implementation of the ISO8583 protocol
 * Copyright (C) 2007 Enrique Zamudio Lopez
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */
package com.solab.iso8583.util;

import com.solab.iso8583.IsoMessage;
import com.solab.iso8583.IsoValue;
import com.solab.iso8583.MessageFactory;
import com.solab.iso8583.parse.ConfigParser;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.text.ParseException;

/** A simple command-line program that reads a configuration file to set up a MessageFactory
 * and parse messages read from STDIN.
 *
 * @author Enrique Zamudio
 *         Date: 20/06/12 02:11
 */
public class SimpleParser {

    private static BufferedReader reader;

    private static String getMessage() throws IOException {
        if (reader == null) {
            reader = new BufferedReader(new InputStreamReader(System.in));
        }
        System.out.println("Paste your ISO8583 message here (no ISO headers): ");
        return reader.readLine();
    }

    public static void main(String [] args) throws IOException, ParseException {
        final MessageFactory mf = new MessageFactory();
        if (args.length == 0) {
            ConfigParser.configureFromDefault(mf);
        } else {
            if (System.console() != null) {
                System.console().printf("Attempting to configure MessageFactory from %s...%n", args[0]);
            }
            String url = args[0];
            if (url.contains("://")) {
                ConfigParser.configureFromUrl(mf, new URL(args[0]));
            } else {
                ConfigParser.configureFromUrl(mf, new File(url).toURI().toURL());
            }
        }
        //Now read messages in a loop
        String line = getMessage();
        while (line != null && line.length() > 0) {
            IsoMessage m = mf.parseMessage(line.getBytes(), 0);
            if (m != null) {
                System.out.printf("Message type: %04x%n", m.getType());
                System.out.println("FIELD TYPE    VALUE");
                for (int i = 2; i <= 128; i++) {
                    IsoValue f = m.getField(i);
                    if (f != null) {
                        System.out.printf("%5d %-7s (%4d) [", i, f.getType(), f.getLength());
                        System.out.print(f.toString());
                        System.out.println(']');
                    }
                }
            }
            line = getMessage();
        }
    }
}