Example usage for org.apache.hadoop.security.token.delegation.web DelegationTokenAuthenticatedURL getDelegationToken

Introduction

In this page you can find the example usage for org.apache.hadoop.security.token.delegation.web DelegationTokenAuthenticatedURL getDelegationToken.

Prototype

public org.apache.hadoop.security.token.Token<AbstractDelegationTokenIdentifier> getDelegationToken(URL url,
        Token token, String renewer) throws IOException, AuthenticationException 

Source Link

Document

Requests a delegation token using the configured Authenticator for authentication.

Usage

From source file:org.apache.sqoop.client.request.ResourceRequest.java

License:Apache License

public Token<?>[] addDelegationTokens(String strURL, String renewer, Credentials credentials)
        throws IOException {
    Token<?>[] tokens = null;/*from  ww w.  j a  v a2  s. c  om*/
    Text dtService = getDelegationTokenService(strURL);
    Token<?> token = credentials.getToken(dtService);
    if (token == null) {
        URL url = new URL(strURL);
        DelegationTokenAuthenticatedURL authUrl = new DelegationTokenAuthenticatedURL(
                new ConnectionConfigurator() {
                    @Override
                    public HttpURLConnection configure(HttpURLConnection conn) throws IOException {
                        return conn;
                    }
                });
        try {
            token = authUrl.getDelegationToken(url, authToken, renewer);
            if (token != null) {
                credentials.addToken(token.getService(), token);
                tokens = new Token<?>[] { token };
            } else {
                throw new IOException("Got NULL as delegation token");
            }
        } catch (AuthenticationException ex) {
            throw new IOException(ex);
        }
    }
    return tokens;
}

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