org.springframework.security.acls.domain.CumulativePermission Maven / Gradle / Ivy
/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.acls.domain;
import org.springframework.security.acls.model.Permission;
/**
* Represents a Permission that is constructed at runtime from other
* permissions.
*
*
* Methods return this, in order to facilitate method chaining.
*
*
* @author Ben Alex
*/
public class CumulativePermission extends AbstractPermission {
private String pattern = THIRTY_TWO_RESERVED_OFF;
public CumulativePermission() {
super(0, ' ');
}
public CumulativePermission clear(Permission permission) {
this.mask &= ~permission.getMask();
this.pattern = AclFormattingUtils.demergePatterns(this.pattern,
permission.getPattern());
return this;
}
public CumulativePermission clear() {
this.mask = 0;
this.pattern = THIRTY_TWO_RESERVED_OFF;
return this;
}
public CumulativePermission set(Permission permission) {
this.mask |= permission.getMask();
this.pattern = AclFormattingUtils.mergePatterns(this.pattern,
permission.getPattern());
return this;
}
public String getPattern() {
return this.pattern;
}
}