001/* 002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * bstefanescu 016 * 017 * $Id$ 018 */ 019 020package org.nuxeo.ecm.webengine.security.guards; 021 022import java.util.Collection; 023 024import org.nuxeo.ecm.webengine.security.Guard; 025import org.nuxeo.runtime.model.Adaptable; 026 027/** 028 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 029 */ 030public class And implements Guard { 031 032 protected Guard[] perms; 033 034 public And(Collection<Guard> guards) { 035 this(guards.toArray(new Guard[guards.size()])); 036 } 037 038 public And(Guard... perms) { 039 if (perms == null) { 040 throw new IllegalArgumentException("Argument cannot be null"); 041 } 042 this.perms = perms; 043 } 044 045 public boolean check(Adaptable context) { 046 for (Guard perm : perms) { 047 if (!perm.check(context)) { 048 return false; 049 } 050 } 051 return true; 052 } 053 054 @Override 055 public String toString() { 056 StringBuilder buf = new StringBuilder(); 057 if (perms == null) { 058 return "[AND]"; 059 } 060 buf.append('(').append(perms[0]); 061 for (int i = 1; i < perms.length; i++) { 062 buf.append(" AND ").append(perms[i]); 063 } 064 return buf.append(')').toString(); 065 } 066 067}