/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.authorization.strategies;
import java.util.ArrayList;
import org.apache.wicket.Component;
import org.apache.wicket.authorization.Action;
import org.apache.wicket.authorization.IAuthorizationStrategy;
/**
* Compound implementation of the IAuthorizationStrategy that lets you chain two or more strategies
* together.
*
* @author ivaynberg
*/
public class CompoundAuthorizationStrategy implements IAuthorizationStrategy
{
/** List of strategies to consult */
private final ArrayList strategies = new ArrayList();
/**
* Adds a strategy to the chain
*
* @param strategy
* Strategy to add
*/
public final void add(IAuthorizationStrategy strategy)
{
if (strategy == null)
{
throw new IllegalArgumentException("Strategy argument cannot be null");
}
strategies.add(strategy);
}
/**
* @see org.apache.wicket.authorization.IAuthorizationStrategy#isInstantiationAuthorized(java.lang.Class)
*/
public final boolean isInstantiationAuthorized(Class componentClass)
{
int size = strategies.size();
for (int i = 0; i < size; i++)
{
IAuthorizationStrategy strategy = (IAuthorizationStrategy)strategies.get(i);
if (!strategy.isInstantiationAuthorized(componentClass))
{
return false;
}
}
return true;
}
/**
* @see org.apache.wicket.authorization.IAuthorizationStrategy#isActionAuthorized(org.apache.wicket.Component,
* org.apache.wicket.authorization.Action)
*/
public final boolean isActionAuthorized(Component component, Action action)
{
int size = strategies.size();
for (int i = 0; i < size; i++)
{
IAuthorizationStrategy strategy = (IAuthorizationStrategy)strategies.get(i);
if (!strategy.isActionAuthorized(component, action))
{
return false;
}
}
return true;
}
}