/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* 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.
*/
package com.liferay.portal.deploy.hot;
import com.liferay.portal.kernel.deploy.hot.BaseHotDeployListener;
import com.liferay.portal.kernel.deploy.hot.HotDeployEvent;
import com.liferay.portal.kernel.deploy.hot.HotDeployException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.model.Theme;
import com.liferay.portal.kernel.service.ThemeLocalServiceUtil;
import com.liferay.portal.kernel.servlet.FileTimestampUtil;
import com.liferay.portal.kernel.template.TemplateConstants;
import com.liferay.portal.kernel.template.TemplateResourceLoaderUtil;
import com.liferay.portal.kernel.util.ClassLoaderUtil;
import com.liferay.portal.kernel.util.HttpUtil;
import com.liferay.portal.kernel.util.ThemeHelper;
import com.liferay.portal.kernel.util.WebKeys;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import javax.servlet.ServletContext;
/**
* @author Brian Wing Shun Chan
* @author Brian Myunghun Kim
* @author Ivica Cardic
*/
public class ThemeHotDeployListener extends BaseHotDeployListener {
@Override
public void invokeDeploy(HotDeployEvent hotDeployEvent)
throws HotDeployException {
try {
doInvokeDeploy(hotDeployEvent);
}
catch (Throwable t) {
throwHotDeployException(
hotDeployEvent, "Error registering themes for ", t);
}
}
@Override
public void invokeUndeploy(HotDeployEvent hotDeployEvent)
throws HotDeployException {
try {
doInvokeUndeploy(hotDeployEvent);
}
catch (Throwable t) {
throwHotDeployException(
hotDeployEvent, "Error unregistering themes for ", t);
}
}
protected void doInvokeDeploy(HotDeployEvent hotDeployEvent)
throws Exception {
ServletContext servletContext = hotDeployEvent.getServletContext();
String servletContextName = servletContext.getServletContextName();
if (_log.isDebugEnabled()) {
_log.debug("Invoking deploy for " + servletContextName);
}
String[] xmls = new String[] {
HttpUtil.URLtoString(
servletContext.getResource(
"/WEB-INF/liferay-look-and-feel.xml"))
};
if (xmls[0] == null) {
return;
}
if (_log.isInfoEnabled()) {
_log.info("Registering themes for " + servletContextName);
}
FileTimestampUtil.reset();
List<Theme> themes = ThemeLocalServiceUtil.init(
servletContextName, servletContext, null, true, xmls,
hotDeployEvent.getPluginPackage());
_themes.put(servletContextName, themes);
servletContext.setAttribute(WebKeys.PLUGIN_THEMES, themes);
if (_log.isInfoEnabled()) {
if (themes.size() == 1) {
_log.info(
"1 theme for " + servletContextName +
" is available for use");
}
else {
_log.info(
themes.size() + " themes for " + servletContextName +
" are available for use");
}
}
if (_log.isWarnEnabled()) {
for (Theme theme : themes) {
if (!Objects.equals(
theme.getTemplateExtension(),
ThemeHelper.TEMPLATE_EXTENSION_VM)) {
continue;
}
_log.warn(
"Support of Velocity is deprecated. Update theme " +
theme.getName() +
" to use FreeMarker for forward compatibility.");
}
}
}
protected void doInvokeUndeploy(HotDeployEvent hotDeployEvent)
throws Exception {
ServletContext servletContext = hotDeployEvent.getServletContext();
String servletContextName = servletContext.getServletContextName();
if (_log.isDebugEnabled()) {
_log.debug("Invoking undeploy for " + servletContextName);
}
List<Theme> themes = _themes.remove(servletContextName);
if (themes != null) {
if (_log.isInfoEnabled()) {
_log.info("Unregistering themes for " + servletContextName);
}
try {
ThemeLocalServiceUtil.uninstallThemes(themes);
}
catch (Exception e) {
_log.error(e, e);
}
}
else {
return;
}
// LEP-2057
ClassLoader contextClassLoader =
ClassLoaderUtil.getContextClassLoader();
try {
ClassLoaderUtil.setContextClassLoader(
ClassLoaderUtil.getPortalClassLoader());
TemplateResourceLoaderUtil.clearCache(
TemplateConstants.LANG_TYPE_VM);
}
finally {
ClassLoaderUtil.setContextClassLoader(contextClassLoader);
}
if (_log.isInfoEnabled()) {
if (themes.size() == 1) {
_log.info(
"1 theme for " + servletContextName + " was unregistered");
}
else {
_log.info(
themes.size() + " themes for " + servletContextName +
" were unregistered");
}
}
}
private static final Log _log = LogFactoryUtil.getLog(
ThemeHotDeployListener.class);
private static final Map<String, List<Theme>> _themes = new HashMap<>();
}