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72 lines
2.4 KiB
Java
72 lines
2.4 KiB
Java
/**
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* Copyright (C) 2014 Serval Project Inc.
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*
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* This file is part of Serval Software (http://www.servalproject.org)
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*
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* Serval Software is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this source code; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package org.servalproject.servaldna.rhizome;
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import org.servalproject.servaldna.ServalDInterfaceException;
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/* This enum is a direct isomorphism from the C "enum rhizome_payload_status" defined in rhizome.h.
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*/
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public enum RhizomePayloadStatus {
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ERROR(-1), // unexpected error (underlying failure)
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EMPTY(0), // payload is empty (zero length)
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NEW(1), // payload is not yet in store (added)
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STORED(2), // payload is already in store
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WRONG_SIZE(3), // payload's size does not match manifest
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WRONG_HASH(4), // payload's hash does not match manifest
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CRYPTO_FAIL(5), // cannot encrypt/decrypt (payload key unknown)
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TOO_BIG(6), // payload will never fit in our store
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EVICTED(7) // other payloads in our store are more important
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;
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final public int code;
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private RhizomePayloadStatus(int code) {
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this.code = code;
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}
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public static RhizomePayloadStatus fromCode(int code) throws InvalidException
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{
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RhizomePayloadStatus status = null;
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switch (code) {
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case -1: status = ERROR; break;
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case 0: status = EMPTY; break;
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case 1: status = NEW; break;
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case 2: status = STORED; break;
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case 3: status = WRONG_SIZE; break;
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case 4: status = WRONG_HASH; break;
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case 5: status = CRYPTO_FAIL; break;
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case 6: status = TOO_BIG; break;
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case 7: status = EVICTED; break;
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default: throw new InvalidException(code);
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}
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assert status.code == code;
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return status;
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}
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public static class InvalidException extends ServalDInterfaceException
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{
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public InvalidException(int code) {
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super("invalid Rhizome payload status code = " + code);
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}
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}
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}
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