EDIT

/**

* Copyright (C) 2009 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.remote.controller;

import java.io.IOException;

import java.util.Arrays;

import java.util.List;

import java.util.UUID;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.servlet.ModelAndView;

import eu.etaxonomy.cdm.api.service.ITermService;

import eu.etaxonomy.cdm.model.term.DefinedTermBase;

import eu.etaxonomy.cdm.model.term.OrderedTermBase;

import io.swagger.annotations.Api;

/**

 * @author a.kohlbecker

 * @since 22.07.2010

 *

 */

@Controller

@Api("term")

@RequestMapping(value = {"/term/{uuid}"})

public class TermController

        extends AbstractIdentifiableController<DefinedTermBase, ITermService> {

    private static final List<String> TERM_COMPARE_INIT_STRATEGY = Arrays.asList(new String []{

            "vocabulary"

    });

    @Autowired

    @Override

    public void setService(ITermService service) {

        this.service = service;

    }

    /**

     * TODO write controller method documentation

     *

     * @param request

     * @param response

     * @return

     * @throws IOException

     */

    @RequestMapping(method = RequestMethod.GET,	value = "compareTo/{uuidThat}")

    public ModelAndView doCompare(

            @PathVariable("uuid") UUID uuid,

            @PathVariable("uuidThat") UUID uuidThat,

            HttpServletRequest request, HttpServletResponse response) throws IOException {

        ModelAndView mv = new ModelAndView();

        DefinedTermBase<?> thisTerm = service.load(uuid, TERM_COMPARE_INIT_STRATEGY);

        DefinedTermBase<?> thatTerm = service.load(uuidThat, TERM_COMPARE_INIT_STRATEGY);

        if(thisTerm.getVocabulary().equals(thatTerm.getVocabulary())){

            if(OrderedTermBase.class.isAssignableFrom(thisTerm.getClass())){

                Integer result = ((OrderedTermBase)thisTerm).compareTo((OrderedTermBase)thatTerm);

                mv.addObject(result);

                return mv;

            }else{

                response.sendError(400, "Only ordered term types can be compared");

                return mv;

            }

        }else{

            response.sendError(400, "Terms of different vocabuaries can not be compared");

            return mv;

        }

    }

}