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 * SciJava Common shared library for SciJava software.
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 *    this list of conditions and the following disclaimer.
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 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
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package org.scijava.util;

import java.io.*;
import java.util.HashMap;
import java.util.Map;

/**
 * Simple utility for reading and writing a property map to/from plain text.
 */
public final class PropertiesHelper {

	public static Map<String, String> get(File filename) {
		Map<String, String> map = new HashMap<>();
		try (BufferedReader reader = new BufferedReader(new FileReader(filename))) {
			String line;
			while ((line = reader.readLine()) != null) {
				String[] parts = line.split("=", 2);
				if (parts.length == 2) {
					map.put(parts[0], parts[1]);
				}
			}
		}
		catch (FileNotFoundException e) {
			throw new RuntimeException(e);
		}
		catch (IOException e) {
			throw new RuntimeException(e);
		}
		return map;
	}

	public static void put(Map<String, String> properties, File filename) {
		try (BufferedWriter writer = new BufferedWriter(new FileWriter(filename))) {
			for (Map.Entry<String, String> entry : properties.entrySet()) {
				writer.write(entry.getKey() + "=" + entry.getValue());
				writer.newLine();
			}
		}
		catch (IOException e) {
			throw new RuntimeException(e);
		}
	}
}
