libreccm-legacy/ccm-cms/src/com/arsdigita/cms/dispatcher/ContentItemXSLServlet.java

104 lines
3.3 KiB
Java
Executable File

/*
* Copyright (C) 2004 Red Hat 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.
*
* 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 com.arsdigita.cms.dispatcher;
import com.arsdigita.util.IO;
import com.arsdigita.web.BaseServlet;
import com.arsdigita.templating.Templating;
import com.arsdigita.web.Web;
import com.arsdigita.util.servlet.HttpParameterMap;
import com.arsdigita.util.servlet.HttpResourceLocator;
import java.net.URL;
import java.net.MalformedURLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
import java.util.Collections;
import org.apache.log4j.Logger;
/**
* A servlet that takes an Template OID and a delegated URL and
* combines them into a single XSL file.
*/
public class ContentItemXSLServlet extends BaseServlet {
private static final Logger s_log =
Logger.getLogger(ContentItemXSLServlet.class);
//cache for the template resolver
public static Map s_templateResolverCache =
Collections.synchronizedMap(new HashMap());
@Override
protected void doService(HttpServletRequest sreq,
HttpServletResponse sresp)
throws ServletException, IOException {
String oid = sreq.getParameter("oid");
String delegated = sreq.getParameter("delegated");
String context = sreq.getParameter("context");
if (s_log.isDebugEnabled()) {
s_log.debug("Template OID is " + oid);
s_log.debug("Delegated URL is " + delegated);
}
if (oid == null || delegated == null) {
sresp.sendError(404, "Page Not Found");
return;
}
ArrayList paths = new ArrayList();
HttpParameterMap params = new HttpParameterMap();
params.setParameter("oid", oid);
HttpResourceLocator loc = new HttpResourceLocator(
Web.getConfig().getHost(),
Web.getConfig().getDispatcherContextPath(),
"/themes/servlet/template",
"/index.xsl",
params);
// first, add the main cms xsl
try {
paths.add(new URL(delegated));
paths.add(loc.toURL());
} catch (MalformedURLException me) {
s_log.warn("Malformed URL of " + delegated, me);
sresp.sendError(404, "Page Not Found");
return;
}
InputStream is = Templating.multiplexXSLFiles(paths.iterator());
sresp.setContentType("text/xml; charset=UTF-8");
IO.copy(is, sresp.getOutputStream());
}
}