| /* Direction.java -- |
| Copyright (C) 2003, 2006 Free Software Foundation, Inc. |
| |
| This file is a part of GNU Classpath. |
| |
| GNU Classpath 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 2 of the License, or (at |
| your option) any later version. |
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| 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 GNU Classpath; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 |
| USA |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
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| independent module, the terms and conditions of the license of that |
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| exception statement from your version. */ |
| |
| |
| package gnu.javax.crypto.assembly; |
| |
| /** |
| * An enumeration type for wiring {@link Stage} instances into {@link Cascade} |
| * Cipher chains, as well as for operating a {@link Cascade} in a given |
| * direction. |
| * <p> |
| * The possible values for this type are two: |
| * <ol> |
| * <li>FORWARD: equivalent to {@link gnu.javax.crypto.mode.IMode#ENCRYPTION}, |
| * and its inverse value</li> |
| * <li>REVERSED: equivalent to {@link gnu.javax.crypto.mode.IMode#DECRYPTION}. |
| * </li> |
| * </ol> |
| */ |
| public final class Direction |
| { |
| public static final Direction FORWARD = new Direction(1); |
| |
| public static final Direction REVERSED = new Direction(2); |
| |
| private int value; |
| |
| private Direction(int value) |
| { |
| super(); |
| |
| this.value = value; |
| } |
| |
| public static final Direction reverse(Direction d) |
| { |
| return (d.equals(FORWARD) ? REVERSED : FORWARD); |
| } |
| |
| public String toString() |
| { |
| return (this == FORWARD ? "forward" : "reversed"); |
| } |
| } |