001/*
002 * (C) Copyright 2006-2008 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.webengine.security.guards;
023
024import java.security.Principal;
025
026import org.nuxeo.common.xmap.annotation.XContent;
027import org.nuxeo.common.xmap.annotation.XObject;
028import org.nuxeo.ecm.webengine.security.Guard;
029import org.nuxeo.runtime.model.Adaptable;
030
031/**
032 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
033 */
034@XObject("user")
035public class UserGuard implements Guard {
036
037    @XContent
038    protected String username;
039
040    public UserGuard() {
041    }
042
043    public UserGuard(String username) {
044        this.username = username;
045    }
046
047    public boolean check(Adaptable context) {
048        Principal principal = context.getAdapter(Principal.class);
049        if (principal == null) {
050            return false;
051        }
052        return username.equals(principal.getName());
053    }
054
055    @Override
056    public String toString() {
057        return "USER[" + username + ']';
058    }
059
060}