package org.apache.beehive.controls.runtime.servlet;
/*
* Copyright 2004 The Apache Software Foundation.
*
* 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.
*
* $Header:$
*/
import javax.servlet.ServletContext;
import org.apache.beehive.controls.api.context.ControlContainerContext;
import org.apache.beehive.controls.api.context.ControlThreadContext;
/**
* This class is the contextual service implementation for javax.servlet.ServletContext. It
* acts as an intermediary between the client and the ServletContext instance held by the
* associated ServletBeanContext. It validates that attempt to access the ServletContext
* only occur during the servlet request processing lifecycle, then delegates to the underlying
* ServletContext instance for actual services.
*/
/* package */ class ServletContextService implements ServletContext
{
/* package */ ServletContextService(ServletBeanContext beanContext)
{
_beanContext = beanContext;
}
/**
* This method retrieves the current ServletBeanContext for the service. It is capable
* of reassociating with the current active context, if the service instance has been
* serialized/deserialized.
*/
final protected ServletBeanContext getServletBeanContext()
{
if (_beanContext == null)
{
ControlContainerContext ccc = ControlThreadContext.getContext();
if (! (ccc instanceof ServletBeanContext))
throw new IllegalStateException("No ServletBeanContext available");
_beanContext = (ServletBeanContext)ccc;
}
return _beanContext;
}
final protected ServletContext getServletContext()
{
ServletContext servletContext = getServletBeanContext().getServletContext();
if (servletContext == null)
throw new IllegalStateException("No access to ServletContext outside request processing");
return servletContext;
}
public java.lang.Object getAttribute(java.lang.String name)
{
return getServletContext().getAttribute(name);
}
public java.util.Enumeration getAttributeNames()
{
return getServletContext().getAttributeNames();
}
public ServletContext getContext(java.lang.String uripath)
{
return getServletContext().getContext(uripath);
}
public java.lang.String getInitParameter(java.lang.String name)
{
return getServletContext().getInitParameter(name);
}
public java.util.Enumeration getInitParameterNames()
{
return getServletContext().getInitParameterNames();
}
public int getMajorVersion()
{
return getServletContext().getMajorVersion();
}
public java.lang.String getMimeType(java.lang.String file)
{
return getServletContext().getMimeType(file);
}
public int getMinorVersion()
{
return getServletContext().getMinorVersion();
}
public javax.servlet.RequestDispatcher getNamedDispatcher(java.lang.String name)
{
return getServletContext().getNamedDispatcher(name);
}
public java.lang.String getRealPath(java.lang.String path)
{
return getServletContext().getRealPath(path);
}
public javax.servlet.RequestDispatcher getRequestDispatcher(java.lang.String path)
{
return getServletContext().getRequestDispatcher(path);
}
public java.net.URL getResource(java.lang.String path) throws java.net.MalformedURLException
{
return getServletContext().getResource(path);
}
public java.io.InputStream getResourceAsStream(java.lang.String path)
{
return getServletContext().getResourceAsStream(path);
}
public java.util.Set getResourcePaths(java.lang.String path)
{
return getServletContext().getResourcePaths(path);
}
public java.lang.String getServerInfo()
{
return getServletContext().getServerInfo();
}
public javax.servlet.Servlet getServlet(java.lang.String name) throws javax.servlet.ServletException
{
return getServletContext().getServlet(name);
}
public java.lang.String getServletContextName()
{
return getServletContext().getServletContextName();
}
public java.util.Enumeration getServletNames()
{
return getServletContext().getServletNames();
}
public java.util.Enumeration getServlets()
{
return getServletContext().getServlets();
}
public void log(java.lang.String msg)
{
getServletContext().log(msg);
}
public void log(java.lang.Exception exception, java.lang.String msg)
{
getServletContext().log(exception, msg);
}
public void log(java.lang.String message, java.lang.Throwable throwable)
{
getServletContext().log(message, throwable);
}
public void removeAttribute(java.lang.String name)
{
getServletContext().removeAttribute(name);
}
public void setAttribute(java.lang.String name, java.lang.Object object)
{
getServletContext().setAttribute(name, object);
}
transient private ServletBeanContext _beanContext; // never access directly
}