de.uni_koeln.spinfo.maalr.webapp.controller.AdminController.java Source code

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Here is the source code for de.uni_koeln.spinfo.maalr.webapp.controller.AdminController.java

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/*******************************************************************************
 * Copyright 2013 Sprachliche Informationsverarbeitung, University of Cologne
 * 
 * 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 de.uni_koeln.spinfo.maalr.webapp.controller;

import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.text.DateFormat;
import java.util.Date;
import java.util.zip.ZipException;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.bind.JAXBException;
import javax.xml.stream.XMLStreamException;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import de.uni_koeln.spinfo.maalr.common.shared.DatabaseException;
import de.uni_koeln.spinfo.maalr.common.shared.NoDatabaseAvailableException;
import de.uni_koeln.spinfo.maalr.common.shared.statistics.SystemSummary;
import de.uni_koeln.spinfo.maalr.lucene.exceptions.IndexException;
import de.uni_koeln.spinfo.maalr.lucene.exceptions.NoIndexAvailableException;
import de.uni_koeln.spinfo.maalr.lucene.query.MaalrQuery;
import de.uni_koeln.spinfo.maalr.lucene.stats.IndexStatistics;
import de.uni_koeln.spinfo.maalr.mongo.exceptions.DatabaseIOException;
import de.uni_koeln.spinfo.maalr.mongo.exceptions.InvalidEntryException;
import de.uni_koeln.spinfo.maalr.mongo.stats.BackupInfos;
import de.uni_koeln.spinfo.maalr.mongo.stats.DatabaseStatistics;
import de.uni_koeln.spinfo.maalr.services.admin.shared.AdminService;
import de.uni_koeln.spinfo.maalr.webapp.ui.admin.client.general.BackendService;

@Controller("backendService")
public class AdminController implements BackendService {

    @Autowired
    private AdminService service;

    @Override
    public void importDatabase(int maxItems) throws Exception {
        service.importDatabase(maxItems);
    }

    @Override
    public String dropDatabase() throws DatabaseException {
        return service.dropDatabase();
    }

    @Override
    public String reloadDatabase() throws DatabaseException, IndexException {
        return service.reloadDatabase();
    }

    @Override
    public String rebuildIndex() throws NoDatabaseAvailableException, IndexException {
        return service.rebuildIndex();
    }

    @Override
    public DatabaseStatistics getDatabaseStats() throws NoDatabaseAvailableException {
        return service.getDatabaseStats();
    }

    @Override
    public IndexStatistics getIndexStats() throws NoIndexAvailableException {
        return service.getIndexStats();
    }

    @Override
    public SystemSummary getSystemSummary() {
        return service.getSystemSummary();
    }

    @Override
    public BackupInfos getBackupInfos() {
        return service.getBackupInfos();
    }

    @ModelAttribute("query")
    public MaalrQuery getQuery() {
        return new MaalrQuery();
    }

    @RequestMapping(value = "/admin/rebuildIndex", method = RequestMethod.GET)
    public ModelAndView rebuildIndexMV() throws NoDatabaseAvailableException, IndexException {
        service.rebuildIndex();
        return new ModelAndView("admin/admin");
    }

    @RequestMapping(value = "/admin/importDatabase", method = RequestMethod.GET)
    public ModelAndView importDatabase() throws NoDatabaseAvailableException, InvalidEntryException,
            DatabaseIOException, ZipException, IndexException, IOException {
        service.importDatabase();
        return new ModelAndView("admin/admin");
    }

    @RequestMapping(value = "/admin/importDB", method = { RequestMethod.POST })
    public ModelAndView importDatabase(HttpServletRequest request) throws IOException, InvalidEntryException,
            NoDatabaseAvailableException, JAXBException, XMLStreamException {
        service.importDatabase(request);
        return new ModelAndView("admin/admin");
    }

    @RequestMapping("/admin/export")
    public void export(@RequestParam(value = "all", defaultValue = "true") boolean allVersions,
            @RequestParam(value = "dropKeys", defaultValue = "false") boolean dropKeys,
            HttpServletResponse response)
            throws IOException, NoDatabaseAvailableException, JAXBException, NoSuchAlgorithmException {
        response.setContentType("application/zip");
        StringBuilder fileName = new StringBuilder();
        fileName.append("maalr_db_dump_");
        if (allVersions) {
            fileName.append("all_versions_");
        } else {
            fileName.append("current_versions_");
        }
        if (dropKeys) {
            fileName.append("anonymized_");
        }
        fileName.append(DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(new Date()));
        response.setHeader("Content-Disposition", "attachment; filename=" + fileName + ".zip");
        ServletOutputStream out = response.getOutputStream();
        service.exportData(allVersions, dropKeys, out, fileName.toString());
    }

}