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// 
// ========================================================================
// Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// 
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
// 
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// 
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
// 
package org.eclipse.jetty.util;

import java.io.InputStream;
import java.time.Instant;
import java.util.Properties;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;

// @deprecated The Eclipse Jetty and Apache Felix Http Jetty packages are no longer supported.
@Deprecated(since = "2021-05-27")
public class Jetty {

    private static final Logger LOG = Log.getLogger(Jetty.class);

    public static final String VERSION;

    public static final String POWERED_BY;

    public static final boolean STABLE;

    public static final String GIT_HASH;

    /**
     * a formatted build timestamp with pattern yyyy-MM-dd'T'HH:mm:ssXXX
     */
    public static final String BUILD_TIMESTAMP;

    private static final Properties __buildProperties = new Properties();

    static {
        try {
            try (// 
            InputStream inputStream = Jetty.class.getResourceAsStream("/org/eclipse/jetty/version/build.properties")) {
                __buildProperties.load(inputStream);
            }
        } catch (Exception e) {
            LOG.ignore(e);
        }
        String gitHash = __buildProperties.getProperty("buildNumber", "unknown");
        if (gitHash.startsWith("${"))
            gitHash = "unknown";
        GIT_HASH = gitHash;
        System.setProperty("jetty.git.hash", GIT_HASH);
        BUILD_TIMESTAMP = formatTimestamp(__buildProperties.getProperty("timestamp", "unknown"));
        // using __buildProperties.getProperty("version") will contain version from the pom
        Package pkg = Jetty.class.getPackage();
        if (pkg != null && "Eclipse Jetty Project".equals(pkg.getImplementationVendor()) && pkg.getImplementationVersion() != null)
            VERSION = pkg.getImplementationVersion();
        else
            VERSION = System.getProperty("jetty.version", __buildProperties.getProperty("version", "9.4.z-SNAPSHOT"));
        POWERED_BY = "Powered by Jetty:// " + VERSION + "";
        // Show warning when RC# or M# is in version string
        STABLE = !VERSION.matches("^.*\\.(RC|M)[0-9]+$");
    }

    private Jetty() {
    }

    private static String formatTimestamp(String timestamp) {
        try {
            long epochMillis = Long.parseLong(timestamp);
            return Instant.ofEpochMilli(epochMillis).toString();
        } catch (NumberFormatException e) {
            LOG.ignore(e);
            return "unknown";
        }
    }
}