/*
 * Copyright 2005 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 static org.wamblee.security.authorization.AuthorizationResult.DENIED;
import static org.wamblee.security.authorization.AuthorizationResult.GRANTED;

import org.wamblee.usermgt.User;

/**
 * Test authorization rule that also counts the number of times the rule matches. 
 */
public class TestAuthorizationRule extends UrlAuthorizationRule {
    
    /**
     * Counts the number of matches. 
     */
    private int _matches = 0; 

    public TestAuthorizationRule( AuthorizationResult aResult, String aGroup,
            String aPath, Class<? extends Operation> aOperation) {
       super(aResult, new GroupUserCondition(aGroup), 
               new StartsWithPathCondition(aPath), TestResource.class, new IsaOperationCondition(aOperation));
    }
    
    protected TestAuthorizationRule() { 
        super();
    }
    
    /* (non-Javadoc)
     * @see org.wamblee.security.authorization.UrlAuthorizationRule#getPath(java.lang.Object)
     */
    @Override
    protected String getResourcePath(Object aResource) {
        return ((TestResource)aResource).getPath();
    }
    
    /* (non-Javadoc)
     * @see org.wamblee.security.authorization.UrlAuthorizationRule#isAllowed(java.lang.Object, org.wamblee.security.authorization.Operation, org.wamblee.usermgt.UserAccessor)
     */
    @Override
    public AuthorizationResult isAllowed(Object aResource, Operation anOperation, User aUser) {
        
        AuthorizationResult result = super.isAllowed(aResource, anOperation, aUser);
        if ( result.equals(GRANTED) || result.equals(DENIED)) { 
            _matches++; 
        }
        return result; 
    }
    
    public int getMatchCount() { 
        return _matches; 
    }
    
    public void reset() { 
        _matches = 0; 
    }
   
}