forked from liferay/liferay-portal
/
FreeMarkerPortlet.java
136 lines (110 loc) · 4.08 KB
/
FreeMarkerPortlet.java
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/**
* 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.util.bridges.freemarker;
import com.liferay.portal.kernel.io.unsync.UnsyncStringWriter;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet;
import com.liferay.portal.kernel.template.Template;
import com.liferay.portal.kernel.template.TemplateConstants;
import com.liferay.portal.kernel.template.TemplateException;
import com.liferay.portal.kernel.template.TemplateManager;
import com.liferay.portal.kernel.template.TemplateManagerUtil;
import com.liferay.portal.kernel.template.TemplateResource;
import com.liferay.portal.kernel.template.TemplateResourceLoaderUtil;
import com.liferay.portal.kernel.util.UnsyncPrintWriterPool;
import com.liferay.portal.util.PortalUtil;
import java.io.IOException;
import java.io.Writer;
import javax.portlet.MimeResponse;
import javax.portlet.PortletContext;
import javax.portlet.PortletException;
import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;
/**
* @author Raymond Augé
*/
public class FreeMarkerPortlet extends MVCPortlet {
@Override
public void destroy() {
super.destroy();
Class<?> clazz = getClass();
TemplateManagerUtil.destroy(clazz.getClassLoader());
}
@Override
protected void include(
String path, PortletRequest portletRequest,
PortletResponse portletResponse, String lifecycle)
throws IOException, PortletException {
PortletContext portletContext = getPortletContext();
String servletContextName = portletContext.getPortletContextName();
String resourcePath = servletContextName.concat(
TemplateConstants.SERVLET_SEPARATOR).concat(path);
boolean resourceExists = false;
try {
resourceExists = TemplateResourceLoaderUtil.hasTemplateResource(
TemplateConstants.LANG_TYPE_FTL, resourcePath);
}
catch (TemplateException te) {
throw new IOException(te);
}
if (!resourceExists) {
_log.error(path + " is not a valid include");
}
else {
try {
TemplateResource templateResource =
TemplateResourceLoaderUtil.getTemplateResource(
TemplateConstants.LANG_TYPE_FTL, resourcePath);
TemplateManager templateManager =
TemplateManagerUtil.getTemplateManager(
TemplateConstants.LANG_TYPE_FTL);
Template template = TemplateManagerUtil.getTemplate(
TemplateConstants.LANG_TYPE_FTL, templateResource, false);
templateManager.addTaglibApplication(
template, "Application", getServletContext());
templateManager.addTaglibFactory(
template, "PortletJspTagLibs", getServletContext());
templateManager.addTaglibRequest(
template, "Request",
PortalUtil.getHttpServletRequest(portletRequest),
PortalUtil.getHttpServletResponse(portletResponse));
template.put("portletContext", getPortletContext());
template.put(
"userInfo",
portletRequest.getAttribute(PortletRequest.USER_INFO));
Writer writer = null;
if (portletResponse instanceof MimeResponse) {
MimeResponse mimeResponse = (MimeResponse)portletResponse;
writer = UnsyncPrintWriterPool.borrow(
mimeResponse.getWriter());
}
else {
writer = new UnsyncStringWriter();
}
template.processTemplate(writer);
}
catch (Exception e) {
throw new PortletException(e);
}
}
if (clearRequestParameters) {
if (lifecycle.equals(PortletRequest.RENDER_PHASE)) {
portletResponse.setProperty("clear-request-parameters", "true");
}
}
}
private static final Log _log = LogFactoryUtil.getLog(
FreeMarkerPortlet.class);
}