RefreshMappingsController.java

/**
 * Copyright 2008 The University of North Carolina at Chapel Hill
 *
 * Licensed 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 edu.unc.lib.dl.ui.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import edu.unc.lib.dl.acl.util.AccessGroupConstants;
import edu.unc.lib.dl.acl.util.AccessGroupSet;
import edu.unc.lib.dl.ui.exception.ResourceNotFoundException;
import edu.unc.lib.dl.ui.util.HeaderMenuSettings;
import edu.unc.lib.dl.ui.util.LookupMappingsSettings;
import edu.unc.lib.dl.ui.view.XSLViewResolver;

/**
 * Allows admin users to trigger reloads of various UI specific mappings.
 * @author bbpennel
 */
@Controller
@RequestMapping("/refreshMappings")
public class RefreshMappingsController extends CDRBaseController {
	private static final Logger LOG = LoggerFactory.getLogger(RefreshMappingsController.class);
	
	@Autowired(required=true)
	private XSLViewResolver xslViewResolver;
	
	@Autowired
	private HeaderMenuSettings headerMenuSettings;
	
	@RequestMapping(method = RequestMethod.GET)
	public void handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
		AccessGroupSet accessGroups = getUserAccessGroups(request);
		if (!accessGroups.contains(AccessGroupConstants.ADMIN_GROUP)){
			throw new ResourceNotFoundException();
		}
		
		try {
			LookupMappingsSettings.updateMappings();
		} catch (Exception e){
			response.getWriter().append("Failed to refresh mappings, check logs.");
			LOG.error("Failed to refresh mappings", e);
		}
		
		try {
			xslViewResolver.refreshViews();
		} catch (Exception e){
			response.getWriter().append("Failed to refresh transform mappings, check logs.");
			LOG.error("Failed to refresh transform mappings", e);
		}
		
		headerMenuSettings.init();
		
		response.getWriter().append("Mappings refresh was successful.");
	}

	public void setXslViewResolver(XSLViewResolver xslViewResolver) {
		this.xslViewResolver = xslViewResolver;
	}

	public void setHeaderMenuSettings(HeaderMenuSettings headerMenuSettings) {
		this.headerMenuSettings = headerMenuSettings;
	}
}