/**
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, version 2.1, dated February 1999.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the latest version of the GNU Lesser General
* Public License as published by the Free Software Foundation;
*
* This program 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. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program (LICENSE.txt); if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.jamwiki.taglib;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.commons.lang.StringUtils;
import org.jamwiki.WikiMessage;
import org.jamwiki.authentication.JAMWikiAuthenticationConstants;
import org.jamwiki.servlets.ServletUtil;
import org.jamwiki.utils.Utilities;
import org.jamwiki.utils.WikiLogger;
/**
* Utility tag for creating HTML checkboxes.
*/
public class AuthMsgTag extends TagSupport {
private static final WikiLogger logger = WikiLogger.getLogger(AuthMsgTag.class.getName());
private String css = null;
/**
*
*/
public int doEndTag() throws JspException {
String output = this.processSpringSecurityException();
if (output != null) {
try {
this.pageContext.getOut().print(output);
} catch (IOException e) {
logger.severe("Failure in authmsg tag", e);
throw new JspException(e);
}
}
return EVAL_PAGE;
}
/**
*
*/
private String formatMessage(String message) throws JspException {
if (message == null) {
return null;
}
StringBuilder output = new StringBuilder("<div");
if (!StringUtils.isBlank(this.css)) {
output.append(" class=\"").append(this.css).append('\"');
}
output.append('>');
output.append(message);
output.append("</div>");
return output.toString();
}
/**
*
*/
private String processSpringSecurityException() throws JspException {
HttpServletRequest request = (HttpServletRequest)this.pageContext.getRequest();
if (request.getSession().getAttribute(JAMWikiAuthenticationConstants.JAMWIKI_ACCESS_DENIED_ERROR_KEY) != null) {
return this.processAccessDeniedException(request);
}
if (request.getSession().getAttribute(JAMWikiAuthenticationConstants.JAMWIKI_AUTHENTICATION_REQUIRED_KEY) != null) {
return this.processAuthenticationRequiredException(request);
}
if (request.getParameter("message") != null) {
return this.processAuthorizationException(request);
}
if (request.getAttribute("messageObject") != null) {
return this.processLegacyLogin(request);
}
return null;
}
/**
*
*/
private String processAccessDeniedException(HttpServletRequest request) throws JspException {
String key = (String)request.getSession().getAttribute(JAMWikiAuthenticationConstants.JAMWIKI_ACCESS_DENIED_ERROR_KEY);
String uri = (String)request.getSession().getAttribute(JAMWikiAuthenticationConstants.JAMWIKI_ACCESS_DENIED_URI_KEY);
if (key == null) {
return null;
}
Object[] params = {uri};
String message = Utilities.formatMessage(key, ServletUtil.retrieveUserLocale(request), params);
request.getSession().removeAttribute(JAMWikiAuthenticationConstants.JAMWIKI_ACCESS_DENIED_ERROR_KEY);
request.getSession().removeAttribute(JAMWikiAuthenticationConstants.JAMWIKI_ACCESS_DENIED_URI_KEY);
return formatMessage(message);
}
/**
*
*/
private String processAuthenticationRequiredException(HttpServletRequest request) throws JspException {
String key = (String)request.getSession().getAttribute(JAMWikiAuthenticationConstants.JAMWIKI_AUTHENTICATION_REQUIRED_KEY);
String uri = (String)request.getSession().getAttribute(JAMWikiAuthenticationConstants.JAMWIKI_AUTHENTICATION_REQUIRED_URI_KEY);
if (key == null) {
return null;
}
Object[] params = {uri};
String message = Utilities.formatMessage(key, ServletUtil.retrieveUserLocale(request), params);
request.getSession().removeAttribute(JAMWikiAuthenticationConstants.JAMWIKI_AUTHENTICATION_REQUIRED_KEY);
request.getSession().removeAttribute(JAMWikiAuthenticationConstants.JAMWIKI_AUTHENTICATION_REQUIRED_URI_KEY);
return formatMessage(message);
}
/**
*
*/
private String processAuthorizationException(HttpServletRequest request) throws JspException {
String key = (String)request.getParameter("message");
if (key == null) {
return null;
}
String message = Utilities.formatMessage(key, ServletUtil.retrieveUserLocale(request));
return formatMessage(message);
}
/**
*
*/
private String processLegacyLogin(HttpServletRequest request) throws JspException {
WikiMessage messageObject = (WikiMessage)request.getAttribute("messageObject");
if (messageObject == null) {
return null;
}
String message = Utilities.formatMessage(messageObject.getKey(), ServletUtil.retrieveUserLocale(request), messageObject.getParams());
return formatMessage(message);
}
/**
*
*/
public String getCss() {
return this.css;
}
/**
*
*/
public void setCss(String css) {
this.css = css;
}
}