/*
* 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 java.util.List;
import org.apache.wicket.Component;
import org.apache.wicket.authorization.Action;
import org.apache.wicket.authorization.IAuthorizationStrategy;
import org.apache.wicket.request.component.IRequestableComponent;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.request.resource.IResource;
/**
* 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 List<IAuthorizationStrategy> 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)
*/
@Override
public final <T extends IRequestableComponent> boolean isInstantiationAuthorized(
Class<T> componentClass)
{
for (IAuthorizationStrategy strategy : strategies)
{
if (!strategy.isInstantiationAuthorized(componentClass))
{
return false;
}
}
return true;
}
/**
* @see org.apache.wicket.authorization.IAuthorizationStrategy#isActionAuthorized(org.apache.wicket.Component,
* org.apache.wicket.authorization.Action)
*/
@Override
public final boolean isActionAuthorized(Component component, Action action)
{
for (IAuthorizationStrategy strategy : strategies)
{
if (!strategy.isActionAuthorized(component, action))
{
return false;
}
}
return true;
}
@Override
public boolean isResourceAuthorized(IResource resource, PageParameters parameters)
{
for (IAuthorizationStrategy strategy : strategies)
{
if (!strategy.isResourceAuthorized(resource, parameters))
{
return false;
}
}
return true;
}
}