Java 类com.amazonaws.services.s3.model.Grantee 实例源码

/**
 * Sets the access control headers for the request given.
 */
private static void addAclHeaders(Request<? extends AmazonWebServiceRequest> request, AccessControlList acl) {
    List<Grant> grants = acl.getGrantsAsList();
    Map<Permission, Collection<Grantee>> grantsByPermission = new HashMap<Permission, Collection<Grantee>>();
    for ( Grant grant : grants ) {
        if ( !grantsByPermission.containsKey(grant.getPermission()) ) {
            grantsByPermission.put(grant.getPermission(), new LinkedList<Grantee>());
        }
        grantsByPermission.get(grant.getPermission()).add(grant.getGrantee());
    }
    for ( Permission permission : Permission.values() ) {
        if ( grantsByPermission.containsKey(permission) ) {
            Collection<Grantee> grantees = grantsByPermission.get(permission);
            boolean seenOne = false;
            StringBuilder granteeString = new StringBuilder();
            for ( Grantee grantee : grantees ) {
                if ( !seenOne )
                    seenOne = true;
                else
                    granteeString.append(", ");
                granteeString.append(grantee.getTypeIdentifier()).append("=").append("\"")
                        .append(grantee.getIdentifier()).append("\"");
            }
            request.addHeader(permission.getHeaderName(), granteeString.toString());
        }
    }
}

/**
 * Returns an XML fragment representing the specified Grantee.
 *
 * @param grantee
 *            The grantee to convert to an XML representation that can be
 *            sent to Amazon S3 as part of a request.
 * @param xml
 *            The XmlWriter to which to concatenate this node to.
 *
 * @return The given XmlWriter containing the specified grantee.
 *
 * @throws SdkClientException
 *             If the specified grantee type isn't recognized.
 */
protected XmlWriter convertToXml(Grantee grantee, XmlWriter xml) throws SdkClientException {
    if (grantee instanceof CanonicalGrantee) {
        return convertToXml((CanonicalGrantee)grantee, xml);
    } else if (grantee instanceof EmailAddressGrantee) {
        return convertToXml((EmailAddressGrantee)grantee, xml);
    } else if (grantee instanceof GroupGrantee) {
        return convertToXml((GroupGrantee)grantee, xml);
    } else {
        throw new SdkClientException("Unknown Grantee type: " + grantee.getClass().getName());
    }
}