Example usage for org.apache.hadoop.security.token.delegation AbstractDelegationTokenIdentifier getRenewer

Introduction

In this page you can find the example usage for org.apache.hadoop.security.token.delegation AbstractDelegationTokenIdentifier getRenewer.

Prototype

public Text getRenewer() 

Source Link

Usage

From source file:org.apache.slider.core.launch.CredentialUtils.java

License:Apache License

/**
 * Create a string for people to look at
 * @param token token to convert to a string form
 * @return a printable view of the token
 */// w w w.ja va2 s .c o  m
public static String tokenToString(Token<? extends TokenIdentifier> token) {
    DateFormat df = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
    StringBuilder buffer = new StringBuilder(128);
    buffer.append(token.toString());
    try {
        TokenIdentifier ti = token.decodeIdentifier();
        buffer.append("; ").append(ti);
        if (ti instanceof AbstractDelegationTokenIdentifier) {
            // details in human readable form, and compensate for information HDFS DT omits
            AbstractDelegationTokenIdentifier dt = (AbstractDelegationTokenIdentifier) ti;
            buffer.append("; Renewer: ").append(dt.getRenewer());
            buffer.append("; Issued: ").append(df.format(new Date(dt.getIssueDate())));
            buffer.append("; Max Date: ").append(df.format(new Date(dt.getMaxDate())));
        }
    } catch (IOException e) {
        //marshall problem; not ours
        LOG.debug("Failed to decode {}: {}", token, e, e);
    }
    return buffer.toString();
}

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