TagController.java

package no.dusken.aranea.admin.control;

import no.dusken.aranea.model.Tag;
import no.dusken.aranea.service.TagService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.LinkedList;
import java.util.List;

/**
 * @author Marvin B. Lillehaug <lillehau@underdusken.no>
 */
@Controller
public class TagController {
    private TagService tagService;

    @RequestMapping("/blank/tags/list")
    public @ResponseBody List<JQueryJSONMapper> listTagsJson(@RequestParam String term){
        return wrapTagInJQueryJSONMapper(tagService.getTags());
    }

    @RequestMapping("/blank/tags/set")
    public @ResponseBody List<JQueryJSONMapper> setTagsJson(@RequestParam String term) {
        List<Tag> tlist = new LinkedList<Tag>();
        if (StringUtils.hasLength(term)) {
            Tag t = new Tag();
            t.setName(term);
            tlist.add(tagService.saveOrUpdate(t));
        }
        return wrapTagInJQueryJSONMapper(tlist);
    }
    

    @Autowired
    public void setTagService(TagService tagService) {
        this.tagService = tagService;
    }

    private List<JQueryJSONMapper> wrapTagInJQueryJSONMapper(List<Tag> tags){
        List<JQueryJSONMapper> list = new LinkedList<JQueryJSONMapper>();
        for(Tag tag : tags){
            list.add(new JQueryJSONMapper(tag.getName(), tag.getID().toString()));
        }
        return list;
    }

    private class JQueryJSONMapper{
        public String label;
        public String value;

        public JQueryJSONMapper(String label, String value){
            this.label = label;
            this.value = value;
        }
    }
}