Integración del verificador de tokens de medios

package com.adobe.entitlement.test;
import com.adobe.entitlement.verifier.CryptoDataHolder;
import com.adobe.entitlement.verifier.ITokenVerifier;
import com.adobe.entitlement.verifier.ITokenVerifierFactory;
import com.adobe.entitlement.verifier.SimpleTokenPKISignatureVerifierFactory;
import com.adobe.tve.crypto.SignatureVerificationCredential;
import java.io.InputStream;

public class EntitlementVerifierTest {
    String mRequestorID = null;
    String mTokenToVerify = null;
    String mPathToCertificate = null;
    String mKeystoreType = null;
    String mKeystorePasswd = null;
    String mResourceID = null;

    public static void main(String[] args) {
        if (args == null || args.length < 2 ) {
            System.out.println("Incorrect args: Usage: EntitlementVerifierTest requestorID tokenToVerify [resourceID]");
            return;
        }
        String requestorID = args[0];
        String tokenToVerify = args[1];
        String pathToCertificate = "media_token_keystore.jks"; // the default keystore provided in the entitlement jar
        String keystoreType = "jks";
        String keystorePasswd = "123456"; // password for the default keystore
        if (requestorID == null || tokenToVerify == null) {
            System.out.println("One or more arguments is null");
            return;
        }
        System.out.println("RequestorID: " + requestorID);
        System.out.println("token: " + tokenToVerify);
        System.out.println("cert: " + pathToCertificate);
        System.out.println("keystoretype: " + keystoreType);
        System.out.println("keystore passwd: " + keystorePasswd);
        String resourceID = null;
        if (args.length > 2) {
            resourceID = args[2];
        }
        System.out.println("Resource ID: " + resourceID);
        EntitlementVerifierTest verifier = new EntitlementVerifierTest(requestorID,
            tokenToVerify, pathToCertificate, keystoreType, keystorePasswd, resourceID);
        verifier.verifyToken();
    }

    protected EntitlementVerifierTest(String inRequestorID,
                                      String inTokenToVerify,
                                      String inPathToCertificate,
                                      String inKeystoreType,
                                      String inKeystorePasswd, String inResourceID) {
        mRequestorID = inRequestorID;
        mTokenToVerify = inTokenToVerify;
        mPathToCertificate = inPathToCertificate;
        mKeystoreType = inKeystoreType;
        mKeystorePasswd = inKeystorePasswd;
        mResourceID = inResourceID;
    }

    protected void verifyToken() {
        // It is expected that the SignatureVerificationCredential and
        // CryptoDataHolder could be created at Init time in a web application
        // and be reused for all token verifications.
        CryptoDataHolder cryptoData = createCryptoDataHolder(mPathToCertificate, mKeystoreType, mKeystorePasswd);
        ITokenVerifierFactory tokenVerifierFactory = new SimpleTokenPKISignatureVerifierFactory();
        ITokenVerifier tokenVerifier = tokenVerifierFactory.getInstance(mRequestorID, mTokenToVerify, cryptoData);
        ITokenVerifier.eReturnValue status = tokenVerifier.isValid(mResourceID);
        System.out.println("Is token Valid? : " + status.toString());
        System.out.println("Token User ID: " + tokenVerifier.getUserSessionGUID());
        System.out.println("Token was generated at: " + tokenVerifier.getTimeIssued());

        System.out.println("Token Mvpd ID: " + tokenVerifier.getMvpdId());
        System.out.println("Token Proxy Mvpd ID: " + tokenVerifier.getProxyMvpdId());
    }
    protected CryptoDataHolder createCryptoDataHolder(String pathToCertificate,
                                                      String keystoreType, String keystorePasswd) {
        SignatureVerificationCredential verificationCredential =
            readShortTokenVerificationCredential(pathToCertificate, keystoreType, keystorePasswd);
        CryptoDataHolder cryptoData = new CryptoDataHolder();
        cryptoData.setCertificateInfo(verificationCredential);
        return cryptoData;
    }
    protected SignatureVerificationCredential readShortTokenVerificationCredential(String keystoreFile,
                                                                                   String keystoreType,
                                                                                   String keystorePasswd) {
        SignatureVerificationCredential cred = null;
        if (keystoreFile != null){
            try {
                // load the keystore file
                ClassLoader loader = EntitlementVerifierTest.class.getClassLoader();
                InputStream certInputStream =  loader.getResourceAsStream(keystoreFile);
                if (certInputStream != null) {
                    cred = new SignatureVerificationCredential(certInputStream, keystorePasswd, keystoreType);
                }
            }
            catch (Exception e) {
                System.out.println("Error creating short token server credentials: " + e.getMessage());
            }
        }
        if (cred == null) {
            System.out.println("Error creating short token server credentials");
        }
        return cred;
    }
}