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EE4J Compatible Implementation for Jakarta Faces API
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.config.processor;
import static java.text.MessageFormat.format;
import static java.util.logging.Level.FINE;
import static java.util.logging.Level.WARNING;
import java.text.MessageFormat;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.faces.application.ViewHandler;
import javax.faces.context.FacesContext;
import javax.servlet.ServletContext;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import com.sun.faces.config.WebConfiguration;
import com.sun.faces.config.manager.documents.DocumentInfo;
import com.sun.faces.util.FacesLogger;
/**
* This ConfigProcessor
handles all elements defined under
* /protected-views
.
*
*/
public class ProtectedViewsConfigProcessor extends AbstractConfigProcessor {
private static final Logger LOGGER = FacesLogger.CONFIG.getLogger();
/**
* /faces-config/protected-views
*/
private static final String PROTECTED_VIEWS = "protected-views";
/**
* /faces-config/protected-views/url-pattern
*/
private static final String URL_PATTERN = "url-pattern";
// ------------------------------------------------------------ Constructors
public ProtectedViewsConfigProcessor() {
}
// -------------------------------------------- Methods from ConfigProcessor
/**
* @see ConfigProcessor#process(javax.servlet.ServletContext,com.sun.faces.config.manager.documents.DocumentInfo[])
*/
@Override
public void process(ServletContext servletContext, FacesContext facesContext, DocumentInfo[] documentInfos) throws Exception {
for (int i = 0; i < documentInfos.length; i++) {
if (LOGGER.isLoggable(FINE)) {
LOGGER.log(FINE, format("Processing protected-views element for document: ''{0}''", documentInfos[i].getSourceURI()));
}
Document document = documentInfos[i].getDocument();
String namespace = document.getDocumentElement().getNamespaceURI();
NodeList protectedViews = document.getDocumentElement().getElementsByTagNameNS(namespace, PROTECTED_VIEWS);
if (protectedViews != null && protectedViews.getLength() > 0) {
processProtectedViews(facesContext, protectedViews, namespace, documentInfos[i]);
}
}
}
// --------------------------------------------------------- Private Methods
private void processProtectedViews(FacesContext context, NodeList protectedViews, String namespace, DocumentInfo info) {
WebConfiguration config = null;
ViewHandler viewHandler = null;
for (int i = 0, size = protectedViews.getLength(); i < size; i++) {
Node urlPatterns = protectedViews.item(i);
NodeList children = ((Element) urlPatterns).getElementsByTagNameNS(namespace, "*");
for (int c = 0, csize = children.getLength(); c < csize; c++) {
Node n = children.item(c);
String urlPattern = null;
if (URL_PATTERN.equals(n.getLocalName())) {
urlPattern = getNodeText(n);
} else {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING, MessageFormat.format(
"Processing protected-views elements for document: ''{0}'', encountered unexpected configuration ''{1}'', ignoring and continuing",
info.getSourceURI(), getNodeText(n)));
}
}
if (urlPattern != null) {
if (config == null) {
config = WebConfiguration.getInstance();
}
if (viewHandler == null) {
viewHandler = context.getApplication().getViewHandler();
}
viewHandler.addProtectedView(urlPattern);
} else {
if (LOGGER.isLoggable(WARNING)) {
LOGGER.log(WARNING, format(
"Processing protected-views elements for document: ''{0}'', encountered element without expected children",
info.getSourceURI()));
}
}
}
}
}
}