org.apache.myfaces.context.servlet.InitParameterMap Maven / Gradle / Ivy
/*
* 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.context.servlet;
import java.util.Enumeration;
import java.util.Map;
import javax.servlet.ServletContext;
import org.apache.myfaces.util.AbstractAttributeMap;
/**
* ServletContext init parameters as Map.
*
* @author Anton Koinov (latest modification by $Author: lu4242 $)
* @version $Revision: 982465 $ $Date: 2010-08-04 23:39:32 -0500 (Wed, 04 Aug 2010) $
*/
public final class InitParameterMap extends AbstractAttributeMap
{
private final ServletContext _servletContext;
InitParameterMap(final ServletContext servletContext)
{
_servletContext = servletContext;
}
@Override
protected String getAttribute(final String key)
{
return _servletContext.getInitParameter(key);
}
@Override
protected void setAttribute(final String key, final String value)
{
throw new UnsupportedOperationException(
"Cannot set ServletContext InitParameter");
}
@Override
protected void removeAttribute(final String key)
{
throw new UnsupportedOperationException(
"Cannot remove ServletContext InitParameter");
}
@Override
@SuppressWarnings("unchecked")
protected Enumeration getAttributeNames()
{
return _servletContext.getInitParameterNames();
}
@Override
public void putAll(final Map t)
{
throw new UnsupportedOperationException();
}
@Override
public void clear()
{
throw new UnsupportedOperationException();
}
}