registaction.java

java电子相册一般网页里面实现图片切换的这个电子相册的代码

/* ====================================================================
 * $Id$
 * ====================================================================
 *  文件名    RegistAction.java
 *  机能名    注册新用户
 *  履历      2005-1-30 dlxu 创建新文件  
 *           Copyright 2004 东南大学 All Rights Reserved
 * ====================================================================
 */
package cn.edu.seu.album.web;

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

import org.apache.log4j.Category;
import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessages;

import cn.edu.seu.album.common.PJAction;
import cn.edu.seu.album.common.PJActionForm;
import cn.edu.seu.album.common.PJBizBroker;
import cn.edu.seu.album.common.PJConst;
import cn.edu.seu.album.common.PJException;
import cn.edu.seu.album.common.StringUtil;
import cn.edu.seu.album.model.RegistNewUserCondition;
import cn.edu.seu.album.model.RegistNewUserRslt;
import cn.edu.seu.album.model.RegistSrchCondtion;
import cn.edu.seu.album.model.SessionBean;
import cn.edu.seu.album.pojo.Person;

/**
 * <p> [概 要] 注册新用户</p>
 * <p> [详 细] 注册新用户</p>
 * <p> [备 考] 无。</p>
 *
 * @author dlxu
 * @version 1.0 2005-1-30
 * @since 1.0
 */
/**
 * <p> [概 要] </p>
 * <p> [详 细] </p>
 * <p> [备 考] 无。</p>
 *
 * @author dlxu
 * @version 1.0 2005-1-30
 * @since 1.0
 */
public final class RegistAction extends PJAction {

    /**
     * 日志定义。
     */
    private static final Category log = Logger.getInstance(RegistAction.class);

    /**
     * 成功注册新用户。
     */
    private static final String SUC_FORWARD = "success";

    /**
     * <p> [概 要] 注册新用户</p>
     * <p> [详 细] 注册新用户</p>
     * <p> [备 考] 无。</p>
     * @param mapping
     * @param aForm
     * @param request
     * @param response
     * @param errs
     * @return
     * @throws PJException
     * @see cn.edu.seu.album.common.PJAction#doAction(org.apache.struts.action.ActionMapping, cn.edu.seu.album.common.PJActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, org.apache.struts.action.ActionMessages)
     */
    protected ActionForward doAction(ActionMapping mapping, PJActionForm aForm,
            HttpServletRequest request, HttpServletResponse response,
            ActionMessages errs) throws PJException {
        log.debug("doAction开始");
        ActionForward af = mapping.getInputForward();
        log.debug(aForm);

        String actionType = aForm.getActionType();

        RegistForm form = (RegistForm) aForm;

        if (ACTION_INIT.equals(actionType)) {
            doInit(form);
        } else if (ACTION_SEARCH.equals(actionType)) {
            doCheckSearch(form, errs, request);
        } else if (ACTION_INSERT.equals(actionType)) {
            doNewUser(form, errs, request);
            if (errs.isEmpty()) {
                af = mapping.findForward(SUC_FORWARD);

            }
        } else {
            throw new PJException(PJConst.ACTION_TYPE_ERR);
        }

        log.debug("doAction结束");
        return af;
    }

    /**
     * <p> [概 要] </p>
     * <p> [详 细] </p>
     * <p> [备 考] 无。</p>
     * @param form
     * @param errs
     * @param request
     * @throws PJException
     */
    private void doNewUser(RegistForm form, ActionMessages errs,
            HttpServletRequest request) throws PJException {
        log.debug("doNewUser开始");

        // 去首位空格
        String userName = StringUtil.safeTrim(form.getUserName());
        String password1 = StringUtil.safeTrim(form.getPassword1());
        String password2 = StringUtil.safeTrim(form.getPassword2());
        String sex = form.getSex();
        String description = StringUtil.safeTrim(form.getDescription());

        // 把去除首位空格的字段设回Form。
        form.setUserName(userName);
        form.setPassword1(password1);
        form.setPassword2(password2);
        form.setDescription(description);

        RegistNewUserCondition cond = new RegistNewUserCondition();
        cond.setUserName(userName);
        cond.setPassword1(password1);
        cond.setPassword2(password2);
        cond.setSex(sex);
        cond.setDescription(description);

        RegistNewUserRslt rslt = (RegistNewUserRslt) PJBizBroker.invoke(
                "RegistNewUserBiz", cond, errs, request);

        if (errs.isEmpty() && null != rslt) {
            Person person = rslt.getPerson();

            SessionBean sb = new SessionBean();
            sb.setPerson(person);

            // 设置会话Bean
            HttpSession session = request.getSession(true);
            session.setAttribute(PJConst.SESSION_BEAN_KEY, sb);
        }
        log.debug("doNewUser结束");

    }

    /**
     * <p> [概 要] </p>
     * <p> [详 细] </p>
     * <p> [备 考] 无。</p>
     * @param form
     * @param errs
     * @param request
     * @throws PJException
     */
    private void doCheckSearch(RegistForm form, ActionMessages errs,
            HttpServletRequest request) throws PJException {
        log.debug("doCheckSearch开始");
        String userName = StringUtil.safeTrim(form.getUserName());
        form.setUserName(userName);

        RegistSrchCondtion cond = new RegistSrchCondtion();
        cond.setUserName(userName);

        PJBizBroker.invoke("RegistCheckBiz", cond, errs, request);

        log.debug("doCheckSearch结束");

    }

    /**
     * <p> [概 要] </p>
     * <p> [详 细] </p>
     * <p> [备 考] 无。</p>
     * @param form
     */
    private void doInit(RegistForm form) {
        log.debug("doInit开始");
        form.setSex(PJConst.SEX_MALE);
        log.debug("doInit结束");
    }

}