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 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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// Portions Copyright [2018] Payara Foundation and/or affiliates

package com.sun.enterprise.admin.util.test;

import com.sun.enterprise.admin.util.LineTokenReplacer;
import com.sun.enterprise.admin.util.TokenValue;
import com.sun.enterprise.admin.util.TokenValueSet;

import java.io.FileReader;
import java.io.BufferedReader;
import java.util.StringTokenizer;

/**
 *
 * @author  kedar
 */
public class TokenReplacementTester {

    /** Creates a new instance of TokenReplacementTester */
    private final LineTokenReplacer replacer;

    public TokenReplacementTester(String tokensFileName, String fromFile, String toFile) {
        final TokenValueSet tokens = getTokensFromFile(tokensFileName);
        replacer = new LineTokenReplacer(tokens);
        replacer.replace(fromFile, toFile);
    }

    private TokenValueSet getTokensFromFile(String fileName) {
        final TokenValueSet tokens  = new TokenValueSet();
        try (BufferedReader reader = new BufferedReader(new FileReader(fileName))) {
            String line = null;
            while ((line = reader.readLine()) != null) {
                final TokenValue tv = getTokenValue(line);
                tokens.add(tv);
            }
            reader.close();
        }
        catch(Exception e) {
            e.printStackTrace();
        }
        return tokens;
    }

    private TokenValue getTokenValue(String line) {
        final String delim = "=";
        final StringTokenizer parser = new StringTokenizer(line, delim);
        final String[] output = new String[2];
        int i = 0;
        while(parser.hasMoreTokens()) {
            output[i++] = parser.nextToken();
        }
        final String DELIM = "%%%";
        TokenValue tv = new TokenValue(output[0], output[1], DELIM);
        return ( tv );
    }
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        int length = args.length;
        if (length < 2) {
            usage();
            System.exit(1);
        }
        final String tokensFile = args[0];
        final String fromFile = args[1];
        final String toFile = fromFile + ".out";
        new TokenReplacementTester(tokensFile, fromFile, toFile);
    }

    private static void usage() {
        System.out.println("java TokenReplacementTester  ");
    }
}