/*
 * $Id$
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.struts2.showcase.action;

import org.apache.log4j.Logger;
import org.apache.struts2.showcase.dao.Dao;
import org.apache.struts2.showcase.dao.SkillDao;
import org.apache.struts2.showcase.model.Skill;

import com.opensymphony.xwork2.Preparable;

/**
 * SkillAction.
 *
 */

public class SkillAction extends AbstractCRUDAction implements Preparable {

    private static final Logger log = Logger.getLogger(SkillAction.class);

    private String skillName;
    protected SkillDao skillDao;
    private Skill currentSkill;

    public String getSkillName() {
        return skillName;
    }

    public void setSkillName(String skillName) {
        this.skillName = skillName;
    }

    protected Dao getDao() {
        return skillDao;
    }

    public void setSkillDao(SkillDao skillDao) {
        if (log.isDebugEnabled()) {
            log.debug("SkillAction - [setSkillDao]: skillDao injected.");
        }
        this.skillDao = skillDao;
    }

    public Skill getCurrentSkill() {
        return currentSkill;
    }

    public void setCurrentSkill(Skill currentSkill) {
        this.currentSkill = currentSkill;
    }

    /**
     * This method is called to allow the action to prepare itself.
     *
     * @throws Exception thrown if a system level exception occurs.
     */
    public void prepare() throws Exception {
        Skill preFetched = (Skill) fetch(getSkillName(), getCurrentSkill());
        if (preFetched != null) {
            setCurrentSkill(preFetched);
        }
    }

    public String save() throws Exception {
        if (getCurrentSkill() != null) {
            setSkillName((String) skillDao.merge(getCurrentSkill()));
        }
        return SUCCESS;
    }

}
