source: trunk/src/org/expeditee/items/UserAppliedPermission.java@ 1450

/**
 *    UserAppliedPermission.java
 *    Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
 *
 *    This program 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 program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.expeditee.items;

public enum UserAppliedPermission {
        denied(-1), none(0), followLinks(1), copy(2), createFrames(3), full(4);

        private final int val;

        private UserAppliedPermission(final int val) {
                this.val = val;
        }

        public static UserAppliedPermission getPermission(String permissionCode, final UserAppliedPermission defaultPermission) {
                if (permissionCode == null) {
                        return defaultPermission;
                }

                permissionCode = permissionCode.trim().toLowerCase();
                if (permissionCode.length() == 0) {
                        return defaultPermission;
                }

                try {
                        return resolve(Integer.parseInt(permissionCode), defaultPermission);
                } catch (final NumberFormatException e) {
                        try {
                                return valueOf(permissionCode);
                        } catch (final Exception ex) {
                                return defaultPermission;
                        }
                }
        }

        public int getCode() {
                return val;
        }

        public String toString() {
                return this.name();
        }

        public static UserAppliedPermission min(UserAppliedPermission p1, UserAppliedPermission p2) {
                return p1.val < p2.val ? p1 : p2;
        }

        public static UserAppliedPermission max(UserAppliedPermission p1, UserAppliedPermission p2) {
                return p1.val > p2.val ? p1 : p2;
        }

        private static UserAppliedPermission resolve(final int val, final UserAppliedPermission defaultPermission) {
                for (UserAppliedPermission p : UserAppliedPermission.values()) {
                        if (p.val == val) {
                                return p;
                        }
                }
                return defaultPermission;
        }
}