private static void reloadDefaultCredential() throws CredentialException {
String proxyLocation = CoGProperties.getDefault().getProxyFile();
defaultCred = new X509Credential(proxyLocation);
credentialFile = new File(proxyLocation);
credentialLastModified = credentialFile.lastModified();
defaultCred.verify();
}
/**
* Returns the default credential. The default credential is usually the user proxy certificate.
* <br>
* The credential will be loaded on the initial call. It must not be expired. All subsequent calls
* to this function return cached credential object. Once the credential is cached, and the
* underlying file changes, the credential will be reloaded.
*
* @return the default credential.
* @exception CredentialException if the credential expired or some other error with the
* credential.
*/
public static synchronized X509Credential getDefaultCredential() throws CredentialException {
if (defaultCred == null) {
reloadDefaultCredential();
} else if (!credentialSet) {
if (credentialFile.lastModified() == credentialLastModified) {
defaultCred.verify();
} else {
defaultCred = null;
reloadDefaultCredential();
}
}
return defaultCred;
}