/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jsf.context;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
import javax.faces.FacesException;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.caucho.server.http.CauchoRequest;
import com.caucho.util.L10N;
public class ServletExternalContext extends ExternalContext {
private static final L10N L = new L10N(ServletExternalContext.class);
private static final Logger log
= Logger.getLogger(ServletFacesContextImpl.class.getName());
private ServletContext _webApp;
private HttpServletRequest _request;
private HttpServletResponse _response;
private Map<String,String> _requestParameterMap;
private Map<String,Object> _applicationMap;
private Map<String,Object> _requestMap;
private Map<String,Object> _sessionMap;
ServletExternalContext(ServletContext webApp,
HttpServletRequest request,
HttpServletResponse response)
{
_webApp = webApp;
_request = request;
_response = response;
}
public void dispatch(String path)
throws IOException
{
try {
//_request.getRequestDispatcher(path).include(_request, _response);
RequestDispatcher rd = _request.getRequestDispatcher(path);
if (rd == null)
throw new FacesException(L.l("'{0}' is an unknown dispatcher.",
path));
rd.forward(_request, _response);
} catch (ServletException e) {
throw new FacesException(e);
}
}
public String encodeActionURL(String url)
{
if (url == null)
throw new NullPointerException();
return _response.encodeURL(url);
}
public String encodeNamespace(String name)
{
if (name == null)
throw new NullPointerException();
return name;
}
public String encodeResourceURL(String url)
{
if (url == null)
throw new NullPointerException();
return _response.encodeURL(url);
}
public Map<String,Object> getApplicationMap()
{
if (_applicationMap == null)
_applicationMap = new ApplicationMap();
return _applicationMap;
}
public String getAuthType()
{
return _request.getAuthType();
}
public Object getContext()
{
return _webApp;
}
public String getInitParameter(String name)
{
if (name == null)
throw new NullPointerException();
return _webApp.getInitParameter(name);
}
public Map getInitParameterMap()
{
HashMap map = new HashMap();
Enumeration e = _webApp.getInitParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
map.put(name, _webApp.getInitParameter(name));
}
return Collections.unmodifiableMap(map);
}
public String getRemoteUser()
{
return _request.getRemoteUser();
}
public Object getRequest()
{
return _request;
}
/**
* @Since 1.2
*/
public void setRequest(Object request)
{
//hack: trinidad passes an instance of ServerRequest
// for an internal check that does not seem to affect
// further operation
if (request instanceof HttpServletRequest)
_request = (HttpServletRequest) request;
else
log.warning("parameter request is not HttpServletRequest");
}
/**
* @Since 1.2
*/
public void setRequestCharacterEncoding(String encoding)
throws UnsupportedEncodingException
{
_request.setCharacterEncoding(encoding);
}
public String getRequestContextPath()
{
return _request.getContextPath();
}
public Map<String,Object> getRequestCookieMap()
{
HashMap<String,Object> map = new HashMap<String,Object>();
Cookie []cookies = _request.getCookies();
if (cookies == null)
return map;
for (int i = 0; i < cookies.length; i++) {
map.put(cookies[i].getName(), cookies[i]);
}
return Collections.unmodifiableMap(map);
}
public Map<String,String> getRequestHeaderMap()
{
HashMap<String,String> map = new HashMap<String,String>();
Enumeration e = _request.getHeaderNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
map.put(name, _request.getHeader(name));
}
return Collections.unmodifiableMap(map);
}
public Map<String,String[]> getRequestHeaderValuesMap()
{
HashMap<String,String[]> map = new HashMap<String,String[]>();
Enumeration e = _request.getHeaderNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
Enumeration e1 = _request.getHeaders(name);
ArrayList<String> values = new ArrayList<String>();
while (e1.hasMoreElements()) {
values.add((String) e1.nextElement());
}
map.put(name, values.toArray(new String[values.size()]));
}
return Collections.unmodifiableMap(map);
}
public Locale getRequestLocale()
{
return _request.getLocale();
}
public Iterator<Locale> getRequestLocales()
{
ArrayList<Locale> locales = new ArrayList<Locale>();
Enumeration e = _request.getLocales();
while (e.hasMoreElements())
locales.add((Locale) e.nextElement());
return locales.iterator();
}
public Map<String,Object> getRequestMap()
{
if (_requestMap == null)
_requestMap = new RequestMap();
return _requestMap;
}
public Map<String,String> getRequestParameterMap()
{
if (_requestParameterMap == null) {
HashMap<String,String> map = new HashMap<String,String>();
Enumeration e = _request.getParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
map.put(name, _request.getParameter(name));
}
_requestParameterMap = Collections.unmodifiableMap(map);
}
return _requestParameterMap;
}
public Iterator<String> getRequestParameterNames()
{
return getRequestParameterMap().keySet().iterator();
}
public Map<String,String[]> getRequestParameterValuesMap()
{
HashMap<String,String[]> map = new HashMap<String,String[]>();
Enumeration e = _request.getParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
map.put(name, _request.getParameterValues(name));
}
return Collections.unmodifiableMap(map);
}
public String getRequestPathInfo()
{
if (_request instanceof CauchoRequest) {
return ((CauchoRequest) _request).getPagePathInfo();
}
else {
// XXX: include
return _request.getPathInfo();
}
}
public String getRequestServletPath()
{
if (_request instanceof CauchoRequest) {
return ((CauchoRequest) _request).getPageServletPath();
}
else {
// XXX: include
return _request.getServletPath();
}
}
/**
* @Since 1.2
*/
public String getRequestCharacterEncoding()
{
return _request.getCharacterEncoding();
}
/**
* @Since 1.2
*/
public String getRequestContentType()
{
return _request.getContentType();
}
/**
* @Since 1.2
*/
public String getResponseCharacterEncoding()
{
return _response.getCharacterEncoding();
}
/**
* @Since 1.2
*/
public String getResponseContentType()
{
return _response.getContentType();
}
public URL getResource(String path)
throws MalformedURLException
{
return _webApp.getResource(path);
}
public InputStream getResourceAsStream(String path)
{
return _webApp.getResourceAsStream(path);
}
public Set<String> getResourcePaths(String path)
{
return _webApp.getResourcePaths(path);
}
public Object getResponse()
{
return _response;
}
/**
* @Since 1.2
*/
public void setResponse(Object response)
{
_response = (HttpServletResponse) response;
}
/**
* @Since 1.2
*/
public void setResponseCharacterEncoding(String encoding)
{
_response.setCharacterEncoding(encoding);
}
public Object getSession(boolean create)
{
return _request.getSession(create);
}
public Map<String,Object> getSessionMap()
{
if (_sessionMap == null)
_sessionMap = new SessionMap(_request.getSession(true));
return _sessionMap;
}
public Principal getUserPrincipal()
{
return _request.getUserPrincipal();
}
public boolean isUserInRole(String role)
{
return _request.isUserInRole(role);
}
public void log(String message)
{
_webApp.log(message);
}
public void log(String message, Throwable exn)
{
_webApp.log(message, exn);
}
public void redirect(String url)
throws IOException
{
_response.sendRedirect(url);
FacesContext.getCurrentInstance().responseComplete();
}
class ApplicationMap extends AttributeMap {
public Object get(String key)
{
return _webApp.getAttribute(key);
}
public Object put(String key, Object value)
{
Object oldValue = _webApp.getAttribute(key);
_webApp.setAttribute(key, value);
return oldValue;
}
public Object remove(String key)
{
Object value = _webApp.getAttribute(key);
_webApp.removeAttribute(key);
return value;
}
public Enumeration getNames()
{
return _webApp.getAttributeNames();
}
}
class SessionMap extends AttributeMap {
private HttpSession _session;
SessionMap(HttpSession session)
{
_session = session;
}
public Object get(String key)
{
return _session.getAttribute(key);
}
public Object put(String key, Object value)
{
Object oldValue = _session.getAttribute(key);
_session.setAttribute(key, value);
return oldValue;
}
public Object remove(String key)
{
Object value = _session.getAttribute(key);
_session.removeAttribute(key);
return value;
}
public Enumeration getNames()
{
return _session.getAttributeNames();
}
}
class RequestMap extends AttributeMap {
public Object get(String key)
{
return _request.getAttribute(key);
}
public Object put(String key, Object value)
{
Object oldValue = _request.getAttribute(key);
_request.setAttribute(key, value);
return oldValue;
}
public Object remove(String key)
{
Object value = _request.getAttribute(key);
_request.removeAttribute(key);
return value;
}
public Enumeration getNames()
{
return _request.getAttributeNames();
}
}
}