com.gateway.connector.utils.LicenseUtil Maven / Gradle / Ivy

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package com.gateway.connector.utils;

import de.schlichtherle.license.CipherParam;
import de.schlichtherle.license.DefaultCipherParam;
import de.schlichtherle.license.DefaultKeyStoreParam;
import de.schlichtherle.license.DefaultLicenseParam;
import de.schlichtherle.license.KeyStoreParam;
import de.schlichtherle.license.LicenseContent;
import de.schlichtherle.license.LicenseManager;
import de.schlichtherle.license.LicenseParam;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.prefs.Preferences;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class LicenseUtil {
	private static String license_public_alias = "publiccert";
	private static String license_key_store_pwd = "Gjk_123456";
	public static String license_path = "dc.dat";
	private static String license_Subject = "dc";
	private static LicenseManager licenseManager;
	private static Logger logger = LoggerFactory.getLogger(LicenseUtil.class);

	private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

	private static synchronized LicenseManager getLicenseManager(LicenseParam licenseParams) {
		if (licenseManager == null) {
			licenseManager = new LicenseManager(licenseParams);
		}
		return licenseManager;
	}
	static LicenseContent content = null;
	public static void install() {
		licenseManager = getLicenseManager(initLicenseParams());
		
		try {
			File file = new File(license_path);
			System.out.println(license_path + ":" + file.exists());
			content = licenseManager.install(file);

		} catch (Exception e) {
			System.out.println("license install failed,system exit.");
			
			logger.error("license install failed,system exit.", e);
			System.exit(0);
		}
	}

	public static void verify() {
		try {
			licenseManager.verify();		
		} catch (Exception e) {
			printLicense(content);
			logger.error("license verify failed,system exit.");
			System.exit(0);
		}
	}

	private static void printLicense(LicenseContent content) {
		if (content != null) {
			StringBuilder sb = new StringBuilder();
			sb.append("**************license**************").append("\n");
			sb.append("     Server:").append(content.getSubject()).append("\n");
			sb.append("create date:").append(sdf.format(content.getIssued())).append("\n");
			sb.append("start  date:").append(sdf.format(content.getNotBefore())).append("\n");
			sb.append("end    date:").append(sdf.format(content.getNotAfter())).append("\n");
			sb.append("    comment:").append(content.getInfo()).append("\n");
			sb.append("**************license**************").append("\n");
			logger.info(sb.toString());
		}
	}

	private static LicenseParam initLicenseParams() {
		Preferences preference = Preferences.userNodeForPackage(LicenseUtil.class);
		CipherParam cipherParam = new DefaultCipherParam(license_key_store_pwd);

		KeyStoreParam privateStoreParam = new DefaultKeyStoreParam(LicenseUtil.class, "publicCerts.store",
				license_public_alias, license_key_store_pwd, null);
		LicenseParam licenseParams = new DefaultLicenseParam(license_Subject, preference, privateStoreParam,
				cipherParam);
		return licenseParams;
	}
}