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Object Modeling System (OMS) is a pure Java object-oriented framework. OMS v3.+ is a highly interoperable and lightweight modeling framework for component-based model and simulation development on multiple platforms.
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/*
 * $Id: Convert.java 50798ee5e25c 2013-01-09 [email protected] $
 * 
 * This file is part of the Object Modeling System (OMS),
 * 2007-2012, Olaf David and others, Colorado State University.
 *
 * OMS 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, version 2.1.
 *
 * OMS 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 OMS.  If not, see .
 */
package ngmf.ui;

import java.io.*;
import java.io.BufferedReader;
import java.util.*;
import ngmf.ui.mms.MMSParameterAdapter;
import ngmf.ui.mms.MMSParameterAdapter.MmsParamInfo;
import oms3.io.DataIO;

public class Convert {

    public static void main(String[] args) {
        data("C:/tmp/east.data");
    }

    public static String data(String file) {
        File dataFile = new File(file);
        if (!dataFile.isAbsolute()) {
            String work = System.getProperty("oms3.work");
            if (work == null) {
                return "Error no $work property found, use full qualifies name instead.)";
            }
            dataFile = new File(work + "/data", file);
        }
        String name = dataFile.getName().substring(0, dataFile.getName().indexOf('.'));
        File out = new File(dataFile.getParentFile(), name + ".csv");

        StringBuffer head = new StringBuffer("@H, date");
        StringBuffer type = new StringBuffer(" " +  DataIO.KEY_TYPE + ", Date");
        StringBuffer dout = new StringBuffer(",");

        try {
            FileReader fr = new FileReader(dataFile);
            BufferedReader br = new BufferedReader(fr);
            String h = br.readLine();
            String statHdr = br.readLine();

            while (!statHdr.startsWith("###")) {
                if (statHdr.startsWith("//") || statHdr.isEmpty()) {
                    statHdr = br.readLine();
                    continue;
                }
                String[] st = statHdr.split("\\s+");
                int cols = Integer.parseInt(st[1]);
                for (int i = 0; i < cols; i++) {
                    head.append(", " + st[0] + "[" + i + "]");
                    type.append(", double");
                }
                statHdr = br.readLine();
            }

            PrintWriter w = new PrintWriter(out);
            w.println("@T, \"Table\"");
            w.println(" " + DataIO.KEY_CREATED_AT + ", \"" + new Date() + "\"");
            w.println(" " + DataIO.KEY_CONVERTED_FROM + ", \"" + dataFile + "\"");
            w.println(" " + DataIO.DATE_FORMAT + ", yyyy MM dd H m s");
            w.println(" Title, \"" + h + "\"");
            w.println(head);
            w.println(type);

            String data;
            while ((data = br.readLine()) != null) {
                String[] str = data.split(" ");
                for (int i = 0; i < 6; i++) {
                    dout.append(str[i] + " ");
                }
                for (int i = 6; i < str.length; i++) {
                    dout.append("," + str[i]);
                }
                w.println(dout);
                dout.delete(1, dout.length());
            }
            fr.close();
            w.close();
            return "  Converted: '" + file + "' -> '" + out + "'\n";
        } catch (IOException ioe) {
            return "Error : " + ioe.getMessage() + "\n";
        }
    }

    public static String param(String file) {
        File param = new File(file);
        if (!param.isAbsolute()) {
            String work = System.getProperty("oms3.work");
            if (work == null) {
                return "Error no $work property found, use full qualifies name instead.)";
            }
            param = new File(work + "/data", file);
        }
        String name = param.getName().substring(0, param.getName().indexOf('.'));
        File out = new File(param.getParentFile(), name + ".csv");

        try {
            MmsParamInfo info = MMSParameterAdapter.map(param);
            info.store(new FileOutputStream(out));
            return "  Converted: '" + file + "' -> '" + out + "'\n";
        } catch (IOException ex) {
            return "Error: " + ex.getMessage();
        }
    }

    public static String statvar(String file) {
        StringBuffer head = new StringBuffer("@H, date");
        StringBuffer type = new StringBuffer(" " +  DataIO.KEY_TYPE + ", Date");
        StringBuffer dout = new StringBuffer(",");

        File statvar = new File(file);
        if (!statvar.isAbsolute()) {
            String work = System.getProperty("oms3.work");
            if (work == null) {
                return "Error no $work property found, use full qualifies name instead.)";
            }
            statvar = new File(work + "/data", file);
        }
        String name = statvar.getName().substring(0, statvar.getName().indexOf('.'));
        File out = new File(statvar.getParentFile(), name + ".csv");

        try {
            FileReader fr = new FileReader(statvar);
            BufferedReader br = new BufferedReader(fr);

            String statHdr = br.readLine();
            int varNum = Integer.parseInt(statHdr);
            for (int i = 0; i < varNum; i++) {
                String s = br.readLine();
                String[] st = s.split("\\s+");
                head.append(", " + st[0]);
                type.append(", double");
            }

            PrintWriter w = new PrintWriter(out);
            w.println("@T, \"Table\"");
            w.println(" " + DataIO.KEY_CREATED_AT + ", \"" + new Date() + "\"");
            w.println(" " + DataIO.KEY_CONVERTED_FROM + ", \"" + statvar + "\"");
            w.println(" " + DataIO.DATE_FORMAT + ", yyyy MM dd H m s");
            w.println(head);
            w.println(type);

            String data;
            while ((data = br.readLine()) != null) {
                String[] str = data.split(" ");
                for (int i = 1; i < 7; i++) {
                    dout.append(str[i] + " ");
                }
                dout.append(",");
                for (int i = 7; i < str.length - 1; i++) {
                    dout.append(str[i] + ",");
                }
                dout.append(str[str.length - 1]);
                w.println(dout);
                dout.delete(1, dout.length());
            }
            fr.close();
            w.close();
            return "  Converted: '" + file + "' -> '" + out + "'\n";
        } catch (IOException ioe) {
            return "Error : " + ioe.getMessage() + "\n";
        }
    }
}