/*
* Copyright 1999-2004 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.
*/
package org.apache.cocoon.faces.context;
import org.apache.cocoon.environment.Context;
import org.apache.cocoon.environment.Request;
import org.apache.cocoon.environment.Response;
import org.apache.cocoon.faces.FacesAction;
import org.apache.cocoon.faces.FacesRedirector;
import org.apache.commons.collections.iterators.EnumerationIterator;
import javax.faces.context.ExternalContext;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.Principal;
import java.util.Collections;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
/**
* Implementation of the Java Server Faces ExternalContext
*
* @author <a href="mailto:vgritsenko@apache.org">Vadim Gritsenko</a>
* @version CVS $Id: ExternalContextImpl.java 46947 2004-09-20 20:13:51Z vgritsenko $
*/
public class ExternalContextImpl extends ExternalContext {
private Context context;
private Request request;
private Response response;
public ExternalContextImpl(Context context, Request request, Response response) {
this.context = context;
this.request = request;
this.response = response;
}
public void dispatch(String url) throws IOException {
FacesRedirector redirector = (FacesRedirector)request.getAttribute(FacesAction.REQUEST_REDIRECTOR_ATTRIBUTE);
if (redirector == null) {
throw new IOException("Can not dispatch to <" + url + ">: Redirector missing.");
}
redirector.dispatch(url);
}
public String encodeActionURL(String url) {
FacesRedirector redirector = (FacesRedirector)request.getAttribute(FacesAction.REQUEST_REDIRECTOR_ATTRIBUTE);
if (redirector == null) {
throw new RuntimeException("Can not encode action URL <" + url + ">: Redirector missing.");
}
return redirector.encodeActionURL(url);
}
public String encodeNamespace(String ns) {
return ns;
}
public String encodeResourceURL(String url) {
FacesRedirector redirector = (FacesRedirector)request.getAttribute(FacesAction.REQUEST_REDIRECTOR_ATTRIBUTE);
if (redirector == null) {
throw new RuntimeException("Can not encode resource URL <" + url + ">: Redirector missing.");
}
return redirector.encodeResourceURL(url);
}
public Map getApplicationMap() {
return new ApplicationMap(this.context);
}
public String getAuthType() {
return this.request.getAuthType();
}
public Object getContext() {
return this.context;
}
public String getInitParameter(String parameter) {
return this.context.getInitParameter(parameter);
}
public Map getInitParameterMap() {
return new InitParameterMap(this.context);
}
public String getRemoteUser() {
return this.request.getRemoteUser();
}
public Object getRequest() {
return this.request;
}
public String getRequestContextPath() {
return this.request.getContextPath();
}
public Map getRequestCookieMap() {
// TODO: Implement getRequestCookieMap
System.err.println("WARNING: getRequestCookieMap called.");
return Collections.EMPTY_MAP;
}
public Map getRequestHeaderMap() {
return new RequestHeaderMap(this.request);
}
public Map getRequestHeaderValuesMap() {
return new RequestHeaderValuesMap(this.request);
}
public Locale getRequestLocale() {
return this.request.getLocale();
}
public Iterator getRequestLocales() {
return new EnumerationIterator(this.request.getLocales());
}
public Map getRequestMap() {
return new RequestMap(this.request);
}
public Map getRequestParameterMap() {
return new RequestParameterMap(this.request);
}
public Iterator getRequestParameterNames() {
return new EnumerationIterator(this.request.getParameterNames());
}
public Map getRequestParameterValuesMap() {
return new RequestParameterValuesMap(this.request);
}
public String getRequestPathInfo() {
// HACK (VG):
// Emulate servlet prefix mapping. This allows to bypass suffix mapping calculations,
// as well as helps with WebSphere servlet container bugs (it treats default servlet
// as prefix mapped servlet).
// JSF Specification, 2.2.1 Restore View:
// o Derive the view identifier that corresponds to this request, as follows:
// o If prefix mapping (such as ?/faces/*?) is used for FacesServlet, the viewId
// is set from the extra path information of the request URI.
StringBuffer path = new StringBuffer();
boolean slash = false;
String s = request.getServletPath();
if (s != null) {
path.append(s);
slash = s.endsWith("/");
}
s = request.getPathInfo();
if (s != null) {
if (s.startsWith("/")) {
if (slash){
s = s.substring(1);
}
} else {
if (!slash) {
path.append('/');
}
}
path.append(s);
}
return path.toString();
}
public String getRequestServletPath() {
// See #getRequestPathInfo
return "";
}
public URL getResource(String resource) throws MalformedURLException {
return this.context.getResource(resource);
}
public InputStream getResourceAsStream(String resource) {
return this.context.getResourceAsStream(resource);
}
public Set getResourcePaths(String path) {
// TODO: Implement getResourcePaths
System.err.println("WARNING: getResourcePaths(" + path + ") called.");
throw new UnsupportedOperationException();
}
public Object getResponse() {
return this.response;
}
public Object getSession(boolean create) {
return this.request.getSession(create);
}
public Map getSessionMap() {
return new SessionMap(request.getSession());
}
public Principal getUserPrincipal() {
return this.request.getUserPrincipal();
}
public boolean isUserInRole(String role) {
return this.request.isUserInRole(role);
}
public void log(String message) {
// TODO: Implement
System.err.println("WARNING: log(" + message + ") called.");
}
public void log(String message, Throwable e) {
// TODO: Implement
System.err.println("WARNING: log(" + message + ", " + e + ") called.");
}
public void redirect(String url) throws IOException {
FacesRedirector redirector = (FacesRedirector)request.getAttribute(FacesAction.REQUEST_REDIRECTOR_ATTRIBUTE);
if (redirector == null) {
throw new IOException("Can not redirect to <" + url + ">: Redirector missing.");
}
redirector.redirect(url);
}
}