serval-dna/java/org/servalproject/servaldna/rhizome/RhizomeBundleStatus.java
2014-07-10 06:43:17 +09:30

74 lines
2.4 KiB
Java

/**
* Copyright (C) 2014 Serval Project Inc.
*
* This file is part of Serval Software (http://www.servalproject.org)
*
* Serval Software is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This source code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this source code; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.servalproject.servaldna.rhizome;
import org.servalproject.servaldna.ServalDInterfaceException;
/* This enum is a direct isomorphism from the C "enum rhizome_bundle_status" defined in rhizome.h.
*/
public enum RhizomeBundleStatus {
ERROR(-1), // internal error
NEW(0), // bundle is newer than store
SAME(1), // same version already in store
DUPLICATE(2), // equivalent bundle already in store
OLD(3), // newer version already in store
INVALID(4), // manifest is invalid
FAKE(5), // manifest signature not valid
INCONSISTENT(6), // manifest filesize/filehash does not match supplied payload
NO_ROOM(7), // doesn't fit; store may contain more important bundles
READONLY(8) // cannot modify manifest; secret unknown
;
final public int code;
private RhizomeBundleStatus(int code) {
this.code = code;
}
public static RhizomeBundleStatus fromCode(int code) throws InvalidException
{
RhizomeBundleStatus status = null;
switch (code) {
case -1: status = ERROR; break;
case 0: status = NEW; break;
case 1: status = SAME; break;
case 2: status = DUPLICATE; break;
case 3: status = OLD; break;
case 4: status = INVALID; break;
case 5: status = FAKE; break;
case 6: status = INCONSISTENT; break;
case 7: status = NO_ROOM; break;
case 8: status = READONLY; break;
default: throw new InvalidException(code);
}
assert status.code == code;
return status;
}
public static class InvalidException extends ServalDInterfaceException
{
public InvalidException(int code) {
super("invalid Rhizome bundle status code = " + code);
}
}
}