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package org.bcos.web3j.utils;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

/**
 * Build version utility method.
 */
public class Version {

    private Version() {}

    public static final String DEFAULT = "none";

    private static final String TIMESTAMP = "timestamp";
    private static final String VERSION = "version";

    public static String getVersion() throws IOException {
        return loadProperties().getProperty(VERSION);
    }

    public static String getTimestamp() throws IOException {
        return loadProperties().getProperty(TIMESTAMP);
    }

    private static Properties loadProperties() throws IOException {
        Properties properties = new Properties();
        InputStream in = null;
        try {
        	 in = Version.class.getResourceAsStream("/version.properties");
             properties.load(in);
        } finally {
        	if (in != null) {
        		in.close();
        	}
        }
        return properties;
    }
}