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* JBoss, a division of Red Hat *
* Copyright 2011, Red Hat Middleware, LLC, and individual *
* contributors as indicated by the @authors tag. See the *
* copyright.txt in the distribution for a full listing of *
* individual contributors. *
* *
* This 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 software 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 software; if not, write to the Free *
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA *
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******************************************************************************/
package org.gatein.web.redirect.implementation;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
import org.exoplatform.portal.config.DataStorage;
import org.exoplatform.portal.config.model.PortalConfig;
import org.exoplatform.portal.config.model.PortalRedirect;
import org.exoplatform.portal.mop.navigation.NavigationService;
import org.gatein.common.logging.Logger;
import org.gatein.common.logging.LoggerFactory;
import org.gatein.web.redirect.Mapper;
import org.gatein.web.redirect.Redirector;
import org.gatein.web.redirect.api.RedirectKey;
import org.gatein.web.redirect.api.SiteRedirectService;
import org.picocontainer.Startable;
/**
* @author <a href="mailto:mwringe@redhat.com">Matt Wringe</a>
* @version $Revision$
*/
public class SiteRedirectServiceImpl implements SiteRedirectService, Startable {
protected static Logger log = LoggerFactory.getLogger(SiteRedirectServiceImpl.class);
// Handles which site to redirect to
Redirector redirector;
// Handles node mappings between sites
Mapper mapper;
// Used for retrieving the stored portal configuration
DataStorage dataStorage;
public SiteRedirectServiceImpl(DataStorage dataStorage, NavigationService navService) throws IOException {
this.dataStorage = dataStorage;
this.redirector = new Redirector();
this.mapper = new Mapper(navService);
}
@Override
public RedirectKey getRedirectSite(String origin, String userAgentString, Map<String, String> deviceProperties) {
try {
if (redirector != null && dataStorage != null) {
PortalConfig pConfig = dataStorage.getPortalConfig(origin);
if (pConfig != null) {
return redirector.getRedirectSite(pConfig.getPortalRedirects(), userAgentString, deviceProperties);
} else {
log.warn("No PortalConfig found for site : " + origin + ". Site redirection cannot be peformed.");
return null;
}
} else {
log.warn("Redirector(" + redirector + ") and DataStorage(" + dataStorage
+ ") need to be both be set. Site redirection cannot be performed.");
return null;
}
} catch (Exception e) {
log.error("Error trying to get site redirect.", e);
return null;
}
}
@Override
public String getRedirectPath(String origin, String redirect, String originRequestPath) {
try {
if (mapper != null) {
if (originRequestPath == null || originRequestPath.isEmpty()) {
originRequestPath = "/";
}
PortalConfig pConfig = dataStorage.getPortalConfig(origin);
if (pConfig == null || pConfig.getPortalRedirects() == null) {
log.warn("No PortalConfig found for site : " + origin + ". Site redirection cannot be peformed.");
return null;
}
// TODO: determine how portalredirects should be properly stored in the portal config.
// We should not be looping over all the portal redirects to find the right one, but using something
// like a LinkedHashMap (we need order + mapability) is awkward and more difficult to setup in xml bindings
// and jcr configuration.
// NOTE: should be a minor issue, there should only ever really be 2-3 redirects for any portal configuration so
// looping over all of them should not be a big problem. But its still a bad design which should be fixed.
PortalRedirect pRedirect = null;
for (PortalRedirect portalRedirect : pConfig.getPortalRedirects()) {
if (portalRedirect.getRedirectSite().equals(redirect)) {
pRedirect = portalRedirect;
break;
}
}
if (pRedirect != null) {
String redirectPath = mapper.getRedirectPath(origin, redirect, originRequestPath, pRedirect.getMappings());
if (redirectPath != null) {
if (redirectPath.startsWith("/")) {
return redirectPath;
} else {
return "/" + redirectPath;
}
} else
return redirectPath; // aka null;
} else {
log.debug("Site '" + origin + "' does not have a redirect configured for site '" + redirect
+ "'. Cannot perform redirect.");
return null;
}
} else {
log.debug("Mapper not set. Cannot determine node to map to. Returning Null.");
return null;
}
} catch (Exception e) {
log.error("Error trying to get site redirect path.", e);
return null;
}
}
@Override
public Map<String, String> getAlternativeSites(String site, boolean onlyEnabled) {
Map<String, String> siteKeys = new LinkedHashMap<String, String>();
try {
if (dataStorage != null) {
PortalConfig portalConfig = dataStorage.getPortalConfig(site);
if (portalConfig != null && portalConfig.getPortalRedirects() != null) {
for (PortalRedirect portalRedirect : portalConfig.getPortalRedirects()) {
if (onlyEnabled && !portalRedirect.isEnabled()) {
continue;
}
siteKeys.put(portalRedirect.getName(), portalRedirect.getRedirectSite());
}
}
} else {
log.debug("DataStorage is null. Cannot retrieve the PortalConfig object.");
}
} catch (Exception e) {
log.error("Error trying to retrieve alternative sites.", e);
}
return siteKeys;
}
@Override
public void start() {
// only needed because exo kernel requires this method (really its the underlying picocontianer that needs it)
}
@Override
public void stop() {
// only needed because exo kernel requires this method (really its the underlying picocontianer that needs it)
}
}