001/* ***** BEGIN LICENSE BLOCK *****
002 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
003 *
004 * The contents of this file are subject to the Mozilla Public License Version
005 * 1.1 (the "License"); you may not use this file except in compliance with
006 * the License. You may obtain a copy of the License at
007 * http://www.mozilla.org/MPL/
008 *
009 * Software distributed under the License is distributed on an "AS IS" basis,
010 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
011 * for the specific language governing rights and limitations under the
012 * License.
013 *
014 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
015 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
016 *
017 * The Initial Developer of the Original Code is
018 * Agfa Healthcare.
019 * Portions created by the Initial Developer are Copyright (C) 2012
020 * the Initial Developer. All Rights Reserved.
021 *
022 * Contributor(s):
023 * See @authors listed below
024 *
025 * Alternatively, the contents of this file may be used under the terms of
026 * either the GNU General Public License Version 2 or later (the "GPL"), or
027 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
028 * in which case the provisions of the GPL or the LGPL are applicable instead
029 * of those above. If you wish to allow use of your version of this file only
030 * under the terms of either the GPL or the LGPL, and not to allow others to
031 * use your version of this file under the terms of the MPL, indicate your
032 * decision by deleting the provisions above and replace them with the notice
033 * and other provisions required by the GPL or the LGPL. If you do not delete
034 * the provisions above, a recipient may use your version of this file under
035 * the terms of any one of the MPL, the GPL or the LGPL.
036 *
037 * ***** END LICENSE BLOCK ***** */
038
039package org.dcm4che3.tool.xml2hl7;
040
041import java.io.File;
042import java.io.OutputStreamWriter;
043import java.text.MessageFormat;
044import java.util.ResourceBundle;
045
046import javax.xml.parsers.SAXParser;
047import javax.xml.parsers.SAXParserFactory;
048
049import org.dcm4che3.hl7.HL7ContentHandler;
050
051/**
052 * @author Gunter Zeilinger <gunterze@gmail.com>
053 *
054 */
055public class Xml2HL7 {
056
057    private static ResourceBundle rb =
058            ResourceBundle.getBundle("org.dcm4che3.tool.xml2hl7.messages");
059
060    public static void main(String[] args) {
061        try {
062            parseXML(fname(args));
063        } catch (Exception e) {
064            System.err.println("xml2hl7: " + e.getMessage());
065            e.printStackTrace();
066            System.exit(2);
067        }
068    }
069
070    private static void parseXML(String fname) throws Exception {
071        SAXParserFactory f = SAXParserFactory.newInstance();
072        SAXParser p = f.newSAXParser();
073        HL7ContentHandler ch = new HL7ContentHandler(
074                new OutputStreamWriter(System.out));
075        if (fname.equals("-")) {
076            p.parse(System.in, ch);
077        } else {
078            p.parse(new File(fname), ch);
079        }
080    }
081
082    private static String fname(String[] args) {
083        if (args.length == 0) {
084            System.err.println(rb.getString("missing"));
085            System.err.println(rb.getString("usage"));
086            System.exit(2);
087        }
088        if (args.length > 1) {
089            System.err.println(rb.getString("too-many"));
090            System.err.println(rb.getString("usage"));
091            System.exit(2);
092        }
093        String arg0 = args[0];
094        if (arg0.equals("-h") || arg0.equals("--help")) {
095            System.out.println(rb.getString("usage"));
096            System.exit(0);
097        }
098        if (arg0.equals("-V") || arg0.equals("--version")) {
099            Package p = Xml2HL7.class.getPackage();
100            String s = p.getName();
101            System.out.println(s.substring(s.lastIndexOf('.')+1) + ": " +
102                   p.getImplementationVersion());
103            System.exit(0);
104        }
105        if (arg0.startsWith("-") && arg0.length() > 1) {
106            System.err.println(MessageFormat.format(
107                    rb.getString("unrecognized-option"), arg0));
108            System.err.println(rb.getString("usage"));
109            System.exit(2);
110        }
111        return arg0;
112    }
113}