de.blizzy.documentr.web.search.SearchController.java Source code

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Here is the source code for de.blizzy.documentr.web.search.SearchController.java

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/*
documentr - Edit, maintain, and present software documentation on the web.
Copyright (C) 2012-2013 Maik Schreiber
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package de.blizzy.documentr.web.search;

import java.io.IOException;
import java.util.Set;
import java.util.concurrent.TimeoutException;

import lombok.extern.slf4j.Slf4j;

import org.apache.commons.lang3.StringUtils;
import org.apache.lucene.queryparser.classic.ParseException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
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.bind.annotation.ResponseBody;

import de.blizzy.documentr.access.DocumentrAnonymousAuthenticationFactory;
import de.blizzy.documentr.access.UserStore;
import de.blizzy.documentr.search.PageIndex;
import de.blizzy.documentr.search.SearchResult;
import de.blizzy.documentr.web.util.ErrorController;

@Controller
@RequestMapping("/search")
@Slf4j
public class SearchController {
    @Autowired
    private PageIndex pageIndex;
    @Autowired
    private DocumentrAnonymousAuthenticationFactory authenticationFactory;

    @RequestMapping(value = "/page", method = RequestMethod.GET)
    @PreAuthorize("permitAll")
    public String findPages(@RequestParam("q") String searchText,
            @RequestParam(value = "p", required = false) Integer page, Authentication authentication, Model model)
            throws IOException {

        if (page == null) {
            page = 1;
        }

        // TODO: why can authentication be null here?
        if (authentication == null) {
            authentication = authenticationFactory.create(UserStore.ANONYMOUS_USER_LOGIN_NAME);
        }

        try {
            SearchResult result = pageIndex.findPages(searchText, page, authentication);
            model.addAttribute("searchText", searchText); //$NON-NLS-1$
            model.addAttribute("searchResult", result); //$NON-NLS-1$
            model.addAttribute("page", page); //$NON-NLS-1$
        } catch (ParseException e) {
            log.warn(StringUtils.EMPTY, e);
        } catch (TimeoutException e) {
            return ErrorController.timeout();
        }
        return "/search/result"; //$NON-NLS-1$
    }

    @RequestMapping(value = "/tags/json", method = RequestMethod.GET)
    @ResponseBody
    @PreAuthorize("permitAll")
    public Set<String> getAllTags(Authentication authentication) throws IOException, TimeoutException {
        // TODO: why can authentication be null here?
        if (authentication == null) {
            authentication = authenticationFactory.create(UserStore.ANONYMOUS_USER_LOGIN_NAME);
        }

        return pageIndex.getAllTags(authentication);
    }
}