/*
* Copyright (C) 2003-2008 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see<http://www.gnu.org/licenses/>.
*/
package org.exoplatform.services.wcm.javascript;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.PathNotFoundException;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.ValueFormatException;
import javax.jcr.query.Query;
import javax.jcr.query.QueryManager;
import javax.jcr.query.QueryResult;
import javax.servlet.ServletContext;
import org.apache.commons.lang.StringUtils;
import org.exoplatform.services.jcr.RepositoryService;
import org.exoplatform.services.jcr.core.ManageableRepository;
import org.exoplatform.services.jcr.ext.common.SessionProvider;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.wcm.core.NodeLocation;
import org.exoplatform.services.wcm.core.NodetypeConstant;
import org.exoplatform.services.wcm.core.WCMConfigurationService;
import org.exoplatform.services.wcm.portal.LivePortalManagerService;
import org.exoplatform.services.wcm.utils.WCMCoreUtils;
import org.exoplatform.web.application.javascript.JavascriptConfigService;
import org.picocontainer.Startable;
/**
* Created by The eXo Platform SAS
* Author : Hoa.Pham
* hoa.pham@exoplatform.com
* Apr 9, 2008
*/
public class XJavascriptService implements Startable {
private static String WEBCONTENT_JS_QUERY = "select * from exo:jsFile "
+ "where jcr:path like '{path}/%' and exo:active='true' "
+ "order by exo:priority ASC";
/** The MODUL e_ name. */
final private String MODULE_NAME = "eXo.WCM.Live";
public final static String JS_PATH_REGEXP = "/(.*)/javascript/eXo/(.*)/live";
/** The PATH. */
final private String PATH = "/javascript/eXo/{portalName}/live";
/** The js config service. */
private JavascriptConfigService jsConfigService ;
/** The configuration service. */
private WCMConfigurationService configurationService;
private LivePortalManagerService livePortalManagerService_;
/** The servlet context. */
private ServletContext servletContext;
/** The log. */
private static final Log LOG = ExoLogger.getLogger(XJavascriptService.class.getName());
private Set<String> loadedJSModule = new HashSet<String>();
private Set<String> loadedSharedJSModule = new HashSet<String>();
/**
* Instantiates a new x javascript service.
*
* @param livePortalService the livePortal service
*
* @throws Exception the exception
*/
public XJavascriptService(LivePortalManagerService livePortalService) throws Exception{
this.livePortalManagerService_ = livePortalService;
this.jsConfigService = WCMCoreUtils.getService(JavascriptConfigService.class);
this.jsConfigService.addResourceResolver(
new WCMJavascriptResourceResolver(livePortalManagerService_, jsConfigService));
this.configurationService = WCMCoreUtils.getService(WCMConfigurationService.class);
this.servletContext = WCMCoreUtils.getService(ServletContext.class);
}
/**
* Get active java script.
*
* @param webcontent the webcontent's node
* @return Code of all js file in home node.
* @throws Exception the exception
*/
public String getActiveJavaScript(Node webcontent) throws Exception {
StringBuffer buffer = new StringBuffer();
String jsQuery = StringUtils.replaceOnce(WEBCONTENT_JS_QUERY, "{path}", webcontent.getPath());
// Need re-login to get session because this node is get from template and the session is not live anymore.
NodeLocation webcontentLocation = NodeLocation.getNodeLocationByNode(webcontent);
RepositoryService repositoryService = WCMCoreUtils.getService(RepositoryService.class);
ManageableRepository repository = repositoryService.getCurrentRepository();
Session session = null;
if (webcontentLocation.getPath().startsWith("/jcr:system"))
session = repository.getSystemSession(repository.getConfiguration().getSystemWorkspaceName());
else {
session = repository.getSystemSession(webcontentLocation.getWorkspace());
}
QueryManager queryManager = session.getWorkspace().getQueryManager();
Query query = queryManager.createQuery(jsQuery, Query.SQL);
QueryResult queryResult = query.execute();
NodeIterator iterator = queryResult.getNodes();
while(iterator.hasNext()) {
Node registeredJSFile = iterator.nextNode();
buffer.append(getActivedJSData(registeredJSFile));
}
session.logout();
return buffer.toString();
}
/**
* Update and merged all Java Script in all portal when content of js file is modified.
*
* @param portalNode the portal node
* @param jsFile the js file
*
* @throws Exception the exception
*/
public void updatePortalJSOnModify(Node portalNode, Node jsFile) throws Exception {
String sharedPortalName = configurationService.getSharedPortalName();
if(sharedPortalName.equals(portalNode.getName())) {
addSharedPortalJavascript(portalNode, jsFile, false);
}else {
addPortalJavascript(portalNode, jsFile, false);
}
}
/**
* Update and merged all Java Script in all portal when content of js file is modified.
*
* @param portalNode the portal node
* @param jsFile the js file
*
* @throws Exception the exception
*/
public void updatePortalJSOnRemove(Node portalNode, Node jsFile) throws Exception {
String sharedPortalName = configurationService.getSharedPortalName();
if(sharedPortalName.equals(portalNode.getName())) {
addSharedPortalJavascript(portalNode, jsFile, false);
}else {
addPortalJavascript(portalNode, jsFile, false);
}
}
/**
* Adds the javascript.
*
* @param portalNode the portal node
* @param jsFile the js data
* @param isStartup
*/
private void addPortalJavascript(Node portalNode, Node jsFile, boolean isStartup) throws Exception {
String javascriptPath = StringUtils.replaceOnce(PATH, "{portalName}", portalNode.getName());
String moduleName = MODULE_NAME + '.' + portalNode.getName();
// jsConfigService.invalidateCachedJScript("/" + servletContext.getServletContextName() +
// javascriptPath);
if (!loadedJSModule.contains(moduleName)) {
loadedJSModule.add(moduleName);
// jsConfigService.addPortalJScript(
// new PortalJScript(moduleName, javascriptPath,"/" + servletContext.getServletContextName(),
// 10, portalNode.getName()));
}
}
/**
* Adds the javascript.
*
* @param portalNode the portal node
* @param jsFile the js data
* @param isStartup
*/
private void addSharedPortalJavascript(Node portalNode, Node jsFile, boolean isStartup) throws Exception {
String javascriptPath = StringUtils.replaceOnce(PATH, "{portalName}", portalNode.getName());
String moduleName = MODULE_NAME + '.' + portalNode.getName();
// jsConfigService.invalidateMergedCommonJScripts();
// jsConfigService.invalidateCachedJScript("/" + servletContext.getServletContextName() +
// javascriptPath);
if (!loadedSharedJSModule.contains(moduleName)) {
loadedSharedJSModule.add(moduleName);
// jsConfigService.addCommonJScript(
// new Javascript(moduleName, javascriptPath,"/" + servletContext.getServletContextName(), 10));
}
}
private String getActivedJSData(Node jsFile) throws ValueFormatException,
RepositoryException,
PathNotFoundException {
if (jsFile != null && !jsFile.isNodeType("exo:restoreLocation")
&& jsFile.hasNode(NodetypeConstant.JCR_CONTENT)
&& jsFile.getNode(NodetypeConstant.JCR_CONTENT).hasProperty(NodetypeConstant.JCR_DATA)
&& jsFile.hasProperty(NodetypeConstant.EXO_ACTIVE)
&& jsFile.getProperty(NodetypeConstant.EXO_ACTIVE).getBoolean() == true) {
return jsFile.getNode(NodetypeConstant.JCR_CONTENT).getProperty(NodetypeConstant.JCR_DATA).getString();
}
return "";
}
/* (non-Javadoc)
* @see org.picocontainer.Startable#start()
*/
public void start() {
SessionProvider sessionProvider = SessionProvider.createSystemProvider();
try {
LivePortalManagerService livePortalManagerService = WCMCoreUtils.getService(LivePortalManagerService.class);
List<Node> livePortals = livePortalManagerService.getLivePortals(sessionProvider);
for(Node portal: livePortals) {
addPortalJavascript(portal, null, true);
}
Node sharedPortal = livePortalManagerService.getLiveSharedPortal(sessionProvider);
addSharedPortalJavascript(sharedPortal, null, true);
} catch (PathNotFoundException e) {
if (LOG.isWarnEnabled()) {
LOG.warn("Exception when merging inside Portal : WCM init is not completed.");
}
} catch (Exception e) {
if (LOG.isErrorEnabled()) {
LOG.error("Exception when start XJavascriptService");
}
} finally {
sessionProvider.close();
}
}
/* (non-Javadoc)
* @see org.picocontainer.Startable#stop()
*/
public void stop() {
}
}