/* See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* Esri Inc. licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.esri.gpt.control.search.browse;
import com.esri.gpt.catalog.search.SearchFilterHarvestSites;
import com.esri.gpt.framework.context.BaseServlet;
import com.esri.gpt.framework.context.RequestContext;
import com.esri.gpt.framework.jsf.FacesContextBroker;
import com.esri.gpt.framework.util.Val;
import java.util.logging.Logger;
import javax.el.ELContext;
import javax.el.ELResolver;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Serves tables of content supporting browse functionality.
*/
public class TocServlet extends BaseServlet {
/** class variables ========================================================= */
/** The Logger. */
private static Logger LOGGER = Logger.getLogger(TocServlet.class.getName());
/** methods ================================================================= */
/**
* Executes a request.
* @param request the HTTP servlet request
* @param response the HTTP servlet response
* @param context the request context
* @throws Exception if a processing exception occurs
*/
@Override
protected void execute(HttpServletRequest request,
HttpServletResponse response,
RequestContext context)
throws Exception {
// initialize
TocContext tocContext = null;
String mimeType = "application/json";
String sResponse = "";
try {
tocContext = new TocContext();
tocContext.setRequestContext(context);
// parse the input parameters
String key = Val.chkStr(request.getParameter("key"));
String uuid = Val.chkStr(request.getParameter("uuid"));
String format = Val.chkStr(request.getParameter("f"));
if (uuid.length() > 0) {
tocContext.setSubjectResourceID(uuid);
}
if (format.length() > 0) {
tocContext.setOutputFormat(format);
}
if (key.length() > 0) {
// set the message broker
FacesContextBroker fcb = new FacesContextBroker(request,response);
tocContext.setMessageBroker(fcb.extractMessageBroker());
RequestContext requestCtx = fcb.extractRequestContext();
// determine the XML file path
String relativePath = "";
TocCollection tocs = requestCtx.getCatalogConfiguration().getConfiguredTocs();
if(tocs!= null && tocs.containsKey(key)){
relativePath = tocs.get(key);
} else{
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Toc not configured.");
LOGGER.finer("Toc not configured for key " + key);
}
// the search filter harvest sites selected site is set to local
FacesContext fc = FacesContext.getCurrentInstance();
if(fc != null){
ELContext elCtx = fc.getELContext();
if(elCtx != null){
ELResolver resolver = elCtx.getELResolver();
if(resolver != null){
SearchFilterHarvestSites searchFilterHarvestSites = (SearchFilterHarvestSites) resolver.getValue(elCtx, null, "SearchFilterHarvestSites");
if(searchFilterHarvestSites != null){
searchFilterHarvestSites.setSelectedHarvestSiteId("local");
}
}
}
}
// generate the tree
TocTree tree = TocTree.build(tocContext,relativePath);
sResponse = tree.generateResponse(tocContext);
mimeType = tocContext.getMimeType();
}
} finally {
try {if (tocContext != null) tocContext.getIndexAdapter().close();} catch (Exception ef) {}
}
// write the response
LOGGER.finer("tocResponse:\n"+sResponse);
if ((sResponse != null) && (sResponse.length() > 0)) {
writeCharacterResponse(response,sResponse,"UTF-8",mimeType+"; charset=UTF-8");
}
}
}