AudioSecurityManager.java 文件源码

/**
 * 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));
    }
}