/*
 * 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.myfaces.test.mock;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletContext;


/**
 * ServletContext attributes as a Map.
 *
 * @author Anton Koinov (latest modification by $Author: grantsmith $)
 * @version $Revision: 472618 $ $Date: 2006-11-08 15:06:54 -0500 (Mié, 08 Nov 2006) $
 */
class _ApplicationMap extends _AbstractAttributeMap
{
    final ServletContext _servletContext;

    _ApplicationMap(ServletContext servletContext)
    {
        _servletContext = servletContext;
    }

    protected Object getAttribute(String key)
    {
        return _servletContext.getAttribute(key);
    }

    protected void setAttribute(String key, Object value)
    {
        _servletContext.setAttribute(key, value);
    }

    protected void removeAttribute(String key)
    {
        _servletContext.removeAttribute(key);
    }

    protected Enumeration getAttributeNames()
    {
        return _servletContext.getAttributeNames();
    }

    public void putAll(Map t)
    {
        for (Iterator it = t.entrySet().iterator(); it.hasNext();)
        {
            Map.Entry entry = (Map.Entry) it.next();
            _servletContext.setAttribute((String)entry.getKey(), entry.getValue());
        }
    }

    public void clear()
    {
        List names = new ArrayList();
        for (Enumeration e = _servletContext.getAttributeNames(); e.hasMoreElements();)
        {
            String name = (String) e.nextElement();
            names.add(name);
        }
        for (int i = 0; i < names.size(); i++)
        {
            _servletContext.removeAttribute((String) names.get(i));
        }
    }
}