/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.staticexport;
import org.opencms.file.CmsObject;
import org.opencms.i18n.CmsLocaleManager;
import org.opencms.main.OpenCms;
import org.opencms.util.CmsRequestUtil;
import org.opencms.util.CmsStringUtil;
import java.util.Locale;
import java.util.Map;
/**
* Test handler for custom link substitution.<p>
*/
public class CmsTestLinkSubstitutionHandler extends CmsDefaultLinkSubstitutionHandler {
/** Path to the news folder, missing the locale (for news link replacement). */
private static final String FOLDER_NEWS = "/news/";
/** Path to the system folder (for news link replacement). */
private static final String FOLDER_SYSTEM = "/system/";
/** Path to the system news folder (for newslink replacement). */
private static final String FOLDER_SYSTEM_NEWS = FOLDER_SYSTEM + "news/";
/**
* Checks if the given path is pointing to a system news folder (like <code>/system/news/</code>),
* and in this case replaces it with the localized news path (like <code>/en/news/</code>).<p>
*
* @param path the path to check and replace
* @param locale the locale to build the news path with
*
* @return the localized news path if the path points to the system news folder, or the path parameter if not
*/
private static String replaceNewsUri(String path, Locale locale) {
String result = path;
if (CmsStringUtil.isEmptyOrWhitespaceOnly(path)) {
return result;
}
if (path.startsWith(FOLDER_SYSTEM_NEWS)) {
String newsPath = path.substring(FOLDER_SYSTEM_NEWS.length());
String loc = locale.getLanguage();
// check if a "__locale" parameter is part of the path, if so overwrite the locale
int pos = newsPath.indexOf('?');
if ((pos > 0) && (newsPath.indexOf(CmsLocaleManager.PARAMETER_LOCALE, pos) >= 0)) {
// locale parameter was found
String query = newsPath.substring(pos);
Map params = CmsRequestUtil.createParameterMap(query);
String[] locs = (String[])params.get(CmsLocaleManager.PARAMETER_LOCALE);
if ((locs != null) && (locs.length > 0)) {
// remove locale from parameters and change URI to target language
loc = locs[0];
params.remove(CmsLocaleManager.PARAMETER_LOCALE);
newsPath = CmsRequestUtil.appendParameters(newsPath.substring(0, pos), params, true);
}
}
result = "/" + loc + FOLDER_NEWS + newsPath;
}
return result;
}
/**
* Checks if the given path is pointing to a localized news path(like <code>/en/news/</code>),
* and in this case replaces it with the system news folder (like <code>/system/news/</code>).<p>
*
* @param path the path to check and replace
* @param addLocale if true, the locale parameter <code>__locale=xx</code> is appended
*
* @return the system news folder if the path points to a localized news path, or the path parameter if not
*/
private static String replaceSystemUri(String path, boolean addLocale) {
String result = path;
if (CmsStringUtil.isEmptyOrWhitespaceOnly(path) || (path.length() < 4)) {
return result;
}
String check = path.substring(3);
if (check.startsWith(FOLDER_NEWS)) {
String loc = path.substring(1, 3);
check = check.substring(FOLDER_NEWS.length());
if (addLocale && (check.indexOf(CmsLocaleManager.PARAMETER_LOCALE) < 0)) {
// append locale parameter if required, but not for default "en" locale
check = CmsRequestUtil.appendParameter(check, CmsLocaleManager.PARAMETER_LOCALE, loc);
}
result = FOLDER_SYSTEM_NEWS + check;
}
return result;
}
/**
* @see org.opencms.staticexport.CmsDefaultLinkSubstitutionHandler#getLink(org.opencms.file.CmsObject, java.lang.String, java.lang.String, boolean)
*/
@Override
public String getLink(CmsObject cms, String link, String siteRoot, boolean forceSecure) {
// do link replacement for news
link = replaceNewsUri(link, cms.getRequestContext().getLocale());
// the rest is just like the default
return super.getLink(cms, link, siteRoot, forceSecure);
}
/**
* @see org.opencms.staticexport.CmsDefaultLinkSubstitutionHandler#getRootPath(org.opencms.file.CmsObject, java.lang.String, java.lang.String)
*/
@Override
public String getRootPath(CmsObject cms, String targetUri, String basePath) {
// first do the normal calculation
String result = super.getRootPath(cms, targetUri, basePath);
if (result != null) {
// there was a replacement, so the system assumes this is a root path
String siteRoot = OpenCms.getSiteManager().getSiteRoot(result);
// in case a site root was appended, it must be removed
String path = (siteRoot != null) ? result.substring(siteRoot.length()) : result;
boolean addLocale = (path.indexOf("/de/") >= 0) || (path.indexOf(CmsLocaleManager.PARAMETER_LOCALE) >= 0);
String replace = replaceSystemUri(path, addLocale);
if (!path.equals(replace)) {
// this is a link to a news folder
result = replace;
}
}
return result;
}
}