/*
 * Copyright 2005-2010 the original author or authors.
 * 
 * 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.wamblee.security.authorization;


import javax.persistence.Column;
import javax.persistence.DiscriminatorValue;
import javax.persistence.Entity;
import javax.persistence.Transient;

import org.wamblee.security.authentication.UserAdministration;


/**
 * Checks if a user against a specific group.
 * 
 * @author Erik Brakkee
 */
@Entity
@DiscriminatorValue("GROUP")
public class GroupUserCondition extends AbstractUserCondition {
    /**
     * Group the user must be in.
     */
    @Column(name = "GRP")
    private String group;
    
    @Transient
    private UserAdministration admin; 

    /**
     * Constructs the condition.
     * 
     * @param aGroup
     *            Group the user must be in.
     */
    public GroupUserCondition(String aGroup) {
        group = aGroup;
    }

    /**
     * For OR mapping.
     * 
     */
    protected GroupUserCondition() {
        group = null;
    }
    
    @Override
    public void setUserAdmin(UserAdministration aAdmin) {
        admin = aAdmin;   
    }

    @Override
    public boolean matches(String aUser) {
        return admin.isInGroup(aUser, group);
    }

    /**
     * 
     * @return Returns the group.
     */
    protected String getGroup() {
        return group;
    }

    /**
     * 
     * @param aGroup
     *            The group to set.
     */
    protected void setGroup(String aGroup) {
        group = aGroup;
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "GroupUserCondition(group=" + group + ")";
    }
}