使用truelicense实现用于JAVA工程license机制（包括license生成和验证）

package cn.melina.license; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Properties; import java.util.prefs.Preferences; import javax.security.auth.x500.X500Principal; 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.LicenseParam; import de.schlichtherle.license.LicenseManager; /** * CreateLicense * @author melina */ public class CreateLicense { //common param private static String PRIVATEALIAS = ""; private static String KEYPWD = ""; private static String STOREPWD = ""; private static String SUBJECT = ""; private static String licPath = ""; private static String priPath = ""; //license content private static String issuedTime = ""; private static String notBefore = ""; private static String notAfter = ""; private static String consumerType = ""; private static int consumerAmount = 0; private static String info = ""; // 为了方便直接用的API里的例子 // X500Princal是一个证书文件的固有格式，详见API private final static X500Principal DEFAULTHOLDERANDISSUER = new X500Principal( "CN=Duke、OU=JavaSoft、O=Sun Microsystems、C=US"); public void setParam(String propertiesPath) { // 获取参数 Properties prop = new Properties(); InputStream in = getClass().getResourceAsStream(propertiesPath); try { prop.load(in); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } PRIVATEALIAS = prop.getProperty("PRIVATEALIAS"); KEYPWD = prop.getProperty("KEYPWD"); STOREPWD = prop.getProperty("STOREPWD"); SUBJECT = prop.getProperty("SUBJECT"); KEYPWD = prop.getProperty("KEYPWD"); licPath = prop.getProperty("licPath"); priPath = prop.getProperty("priPath"); //license content issuedTime = prop.getProperty("issuedTime"); notBefore = prop.getProperty("notBefore"); notAfter = prop.getProperty("notAfter"); consumerType = prop.getProperty("consumerType"); consumerAmount = Integer.valueOf(prop.getProperty("consumerAmount")); info = prop.getProperty("info"); } public boolean create() { try { /************** 证书发布者端执行 ******************/ LicenseManager licenseManager = LicenseManagerHolder .getLicenseManager(initLicenseParams0()); licenseManager.store((createLicenseContent()), new File(licPath)); } catch (Exception e) { e.printStackTrace(); System.out.println("客户端证书生成失败!"); return false; } System.out.println("服务器端生成证书成功!"); return true; } // 返回生成证书时需要的参数 private static LicenseParam initLicenseParams0() { Preferences preference = Preferences .userNodeForPackage(CreateLicense.class); // 设置对证书内容加密的对称密码 CipherParam cipherParam = new DefaultCipherParam(STOREPWD); // 参数1,2从哪个Class.getResource()获得密钥库;参数3密钥库的别名;参数4密钥库存储密码;参数5密钥库密码 KeyStoreParam privateStoreParam = new DefaultKeyStoreParam( CreateLicense.class, priPath, PRIVATEALIAS, STOREPWD, KEYPWD); LicenseParam licenseParams = new DefaultLicenseParam(SUBJECT, preference, privateStoreParam, cipherParam); return licenseParams; } // 从外部表单拿到证书的内容 public final static LicenseContent createLicenseContent() { DateFormat format = new SimpleDateFormat("yyyy-MM-dd"); LicenseContent content = null; content = new LicenseContent(); content.setSubject(SUBJECT); content.setHolder(DEFAULTHOLDERANDISSUER); content.setIssuer(DEFAULTHOLDERANDISSUER); try { content.setIssued(format.parse(issuedTime)); content.setNotBefore(format.parse(notBefore)); content.setNotAfter(format.parse(notAfter)); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } content.setConsumerType(consumerType); content.setConsumerAmount(consumerAmount); content.setInfo(info); // 扩展 content.setExtra(new Object()); return content; } }