SimplePermissionMask.java

/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU General Public License, version 2 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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.
 */
package org.pentaho.platform.engine.security;

import org.pentaho.platform.api.engine.IPermissionMask;

public class SimplePermissionMask implements IPermissionMask {
  int permissionMask;

  public SimplePermissionMask() {
  }

  public SimplePermissionMask(final int permissionMask) {
    this.permissionMask = permissionMask;
  }

  public void setPermissionMask(final int permissionMask) {
    this.permissionMask = permissionMask;
  }

  public int getMask() {
    return permissionMask;
  }

  public void addPermission(final int permissionMask) {
    this.permissionMask |= permissionMask;
  }

  public void addPermissions(final int[] permissionMasks) {
    for (int element : permissionMasks) {
      this.permissionMask |= element;
    }
  }

  public void deletePermission(int permissionMask) {
    this.permissionMask &= ~permissionMask;
  }

  public void deletePermissions(final int[] permissionMasks) {
    for (int i = 0; i < permissionMasks.length; i++) {
      this.permissionMask &= ~permissionMasks[i];
    }
  }

  @Override
  public boolean equals(final Object obj) {
    return (obj instanceof SimplePermissionMask) && (permissionMask == ((SimplePermissionMask) obj).permissionMask);
  }

  @Override
  public int hashCode() {
    return permissionMask;
  }
  
  @Override
  public String toString() {
    return String.format("SimplePermissionMask[permissionMask=%d]", permissionMask); //$NON-NLS-1$
  }
}