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-/* AudioSecurityManager.java -- Manages Security requests for Sound classes.
-
- Copyright (C) 2007 Free Software Foundation, Inc.
-
-This file is 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, or (at your option)
-any later version.
-
-GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, 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
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-package gnu.javax.sound;
-
-import javax.sound.sampled.AudioPermission;
-
-/**
- * This class handles security requests for classes in the Sound API.
- *
- * A class that needs to check against a particular permission type may use this
- * class to query the <code>SecurityManager</code>.
- *
- * For example, to check for a read permission, a class can simply pass the
- * <code>Permission.READ</code> constant to
- * {@link #checkPermissions(gnu.javax.sound.AudioSecurityManager.Permission))},
- * like the following code demonstrates:
- *
- * <pre>
- * AudioSecurityManager.checkPermissions(Permission.PLAY);
- * </pre>
- *
- * If there is need to query for all the defined permissions type, the constant
- * <code>Permission.ALL</code> can be used. In alternative, the
- * {@link #checkPermissions()} is presented as a shorthand.
- *
- * @author Mario Torre <neugens@limasoftware.net>
- */
-public class AudioSecurityManager
-{
- /**
- * Defines a common set of permission allowed by the specification.
- */
- public static enum Permission
- {
- PLAY, RECORD, ALL
- }
-
- /**
- * Shorthand to <code>checkPermissions(Permission.ALL)</code>.
- */
- public static final void checkPermissions()
- {
- checkPermissions(Permission.ALL);
- }
-
- /**
- * Query the <code>SecurityManager</code> agains the given
- * <code>Permission</code>.
- *
- * @param permission
- */
- public static final void checkPermissions(Permission permission)
- {
- SecurityManager sm = System.getSecurityManager();
- if (sm != null)
- {
- String perm = null;
- switch (permission)
- {
- case PLAY:
- perm = "play";
- break;
-
- case RECORD:
- perm = "record";
- break;
-
- case ALL: default:
- perm = "*";
- break;
- }
-
- sm.checkPermission(new AudioPermission(perm));
- }
- }
-}