package org.eclipse.internal.orbit;

import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MapFileGenerator {
	File root;

	String username;

	String pwd;

	String addressPrefix;

	String inputFile;

	String outpuFile;

	public void execute() {
		BufferedReader reader = null;
		BufferedWriter writer = null;
		try {
			try {
				reader = new BufferedReader(new FileReader(inputFile));
				writer = new BufferedWriter(new FileWriter(outpuFile));
				Pattern replacementExpression = Pattern
						.compile("^([a-zA-Z0-9\\-.]*)_?([0-9]*\\.[0-9]*\\.[0-9]*)?=(.*)$");
				Matcher m = null;
				String current = null;
				while ((current = reader.readLine()) != null) {
					m = replacementExpression.matcher(current);
					m.matches();
					if (!m.matches())
						continue;
					String fileName = m.group(1) + "_" + m.group(3);
					boolean isJar = isJar(fileName);
					writer.write("bundle@" + m.group(1) + (m.group(2) == null ? "" : m.group(2)) + "=GET,"
							+ addressPrefix + fileName + (isJar ? ".jar" : ".zip,unpack=true")
							+ (username == null ? "" : ',' + username) + (pwd == null ? "" : ',' + pwd) + '\n');
				}
			} finally {
				if (writer != null)
					writer.close();
				if (reader != null)
					reader.close();
			}
		} catch (IO e) {
		}
	}

	private boolean isJar(String path) {
		File checked = new File(root, path + ".jar");
		if (checked.exists())
			return true;
		return false;
	}

	public static void main(String[] args) {
		MapFileGenerator mfg = new MapFileGenerator();
		mfg.root = new File("d:/foo");
		mfg.addressPrefix = "http://eclipse.org/";
		mfg.inputFile = "D:\\pdeBuildTutorial\\BuildPlace\\finalPluginsVersions.properties";
		mfg.outpuFile = "d:\\tmp\\map.txt";
		mfg.execute();
	}

	public void setRoot(File root) {
		this.root = root;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public void setPwd(String pwd) {
		this.pwd = pwd;
	}

	public void setAddressPrefix(String addressPrefix) {
		this.addressPrefix = addressPrefix;
	}

	public void setInputFile(String inputFile) {
		this.inputFile = inputFile;
	}

	public void setOutpuFile(String outpuFile) {
		this.outpuFile = outpuFile;
	}
}