org.tonguetied.web.CountryController.java Source code

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Here is the source code for org.tonguetied.web.CountryController.java

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/*
 * Copyright 2008 The Tongue-Tied Authors
 * 
 * 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 org.tonguetied.web;

import java.util.HashMap;
import java.util.Map;

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

import org.apache.log4j.Logger;
import org.springframework.beans.propertyeditors.StringTrimmerEditor;
import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.CancellableFormController;
import org.tonguetied.keywordmanagement.Country;
import org.tonguetied.keywordmanagement.KeywordService;
import org.tonguetied.keywordmanagement.Country.CountryCode;

/**
 * Manage the submission of {@link Country}s. This controller is responsible 
 * for either creating a new {@link Country} or saving an existing one.
 *  
 * @author bsion
 *
 */
public class CountryController extends CancellableFormController {
    private KeywordService keywordService;

    private static final Logger logger = Logger.getLogger(CountryController.class);

    /**
     * Create new instance of CountryController 
     */
    public CountryController() {
        setCommandClass(Country.class);
    }

    @Override
    protected Object formBackingObject(HttpServletRequest request) throws Exception {
        final Long id = RequestUtils.getLongParameter(request, "countryId");
        Country country = keywordService.getCountry(id);
        if (country == null)
            country = new Country();

        return country;
    }

    @Override
    protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object command,
            BindException errors) throws Exception {
        if (logger.isDebugEnabled())
            logger.debug("saving country");
        Country country = (Country) command;

        keywordService.saveOrUpdate(country);

        return new ModelAndView(getSuccessView());
    }

    @Override
    protected ModelAndView onCancel(HttpServletRequest request, HttpServletResponse response, Object command)
            throws Exception {
        return new ModelAndView(getCancelView());
    }

    @Override
    protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception {
        binder.registerCustomEditor(CountryCode.class, new CountryCodeSupport());
        binder.registerCustomEditor(String.class, new StringTrimmerEditor(true));
    }

    @Override
    protected Map<String, Object> referenceData(HttpServletRequest request) throws Exception {
        Map<String, Object> model = new HashMap<String, Object>();
        model.put("countryCodes", CountryCode.values());

        return model;
    }

    /**
     * Assign the {@link KeywordService}.
     * 
     * @param keywordService the {@link KeywordService} to set.
     */
    public void setKeywordService(KeywordService keywordService) {
        this.keywordService = keywordService;
    }
}