/**
* Initialize internal policy state, from file if policyFile != null This method is intended to be
* called at the beginning of a subclass initialize() method to handle the generic policy setup,
* after which the subclass initialize() should adjust policy (including calling readPolicy) as
* appropriate. If both "policy file" and "initial namespace" are non-null the policy file takes
* precedence
*
* @param policyFile policy file
* @param initial namespace
* @throws RepositoryException
* @throws FileNotFoundException
* @throws ContentDecodingException
* @throws MalformedContentNameStringException
*/
public PolicyXML startInitPolicy(File policyFile, String nameSpace) throws RepositoryException {
BasicPolicy policy = new BasicPolicy(null);
policy.setVersion(getVersion());
if (null != policyFile) {
try {
FileInputStream fis = new FileInputStream(policyFile);
try {
policy.updateFromInputStream(fis);
} finally {
try {
fis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
} catch (FileNotFoundException e) {
throw new RepositoryException(e.getMessage());
}
} else if (null != nameSpace) { // Try setting an initial namespace from the namespace parameter
ArrayList<ContentName> nameSpaceAL = new ArrayList<ContentName>(1);
try {
nameSpaceAL.add(ContentName.fromNative(nameSpace));
} catch (MalformedContentNameStringException e) {
Log.warning(Log.FAC_REPO, "Invalid namespace specified: {0}", nameSpace);
}
policy.setNamespace(nameSpaceAL);
}
return policy.getPolicyXML();
}
/**
* Get the version of the stored node key name
*
* @return the version
*/
public NDNTime nodeKeyVersion() {
try {
return VersioningProfile.getLastVersionAsTimestamp(storedNodeKeyName());
} catch (VersionMissingException e) {
if (Log.isLoggable(Log.FAC_ACCESSCONTROL, Level.WARNING)) {
Log.warning(
Log.FAC_ACCESSCONTROL,
"Unexpected: name that was confirmed to have a version on construction throws a VersionMissingException: "
+ storedNodeKeyName());
}
throw new IllegalStateException(
"Unexpected: name that was confirmed to have a version on construction throws a VersionMissingException: "
+ storedNodeKeyName());
}
}