com.huateng.ebank.framework.web.struts.BaseAction.java Source code

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Here is the source code for com.huateng.ebank.framework.web.struts.BaseAction.java

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/*
 * Created on 2005-4-2
 * $Id: BaseAction.java,v 1.15 2005/07/12 08:07:21 liuwen Exp $
 * 
 * Copyright 2005 Shanghai Huateng Software, Limited. All rights reserved.
 * HUATENG PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 * 
 */
package com.huateng.ebank.framework.web.struts;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.huateng.common.err.Module;
import com.huateng.common.err.Rescode;
import com.huateng.commquery.result.databus.CommonQueryDataBusMng;
import com.huateng.commquery.result.databus.DataBus;
import com.huateng.ebank.business.common.ErrorCode;
import com.huateng.ebank.business.common.ErrorCodeUtil;
import com.huateng.ebank.business.common.GlobalInfo;
import com.huateng.ebank.framework.exceptions.CommonException;
import com.huateng.ebank.framework.session.SessionManager;
import com.huateng.ebank.framework.util.ExceptionUtil;
import com.huateng.exception.AppException;

/**
 * @author liu_wen@huateng.com
 * @version $Revision: 1.15 $
 * 
 * Base class for action used in the application.
 */
public class BaseAction extends Action {
    private static Log log = LogFactory.getLog(BaseAction.class);

    /**
     * session???.
     * 
     * @param session
     *            ??session.
     * @param attribute
     *            ???key.
     */
    protected void refineSession(HttpSession session, String attribute) {
    }

    protected ActionForward getErrorForward(ActionMapping mapping) {
        /*
         * ActionForward f = mapping.getInputForward(); if ( null == f ){ f =
         * mapping.findForward("error"); } return f;
         */
        return mapping.findForward("error");
    }

    /**
     * Initialize function for action
     * 
     * @param request
     *            HttpServletRequest
     * @throws CommonException
     *             If error happened.
     */
    protected void init(HttpServletRequest request) throws CommonException {
        this.checkGlobalInfo(request);

    }

    protected GlobalInfo checkGlobalInfo(HttpServletRequest request) throws CommonException {
        GlobalInfo globalInfo = GlobalInfo.getFromRequest(request);
        if (null == globalInfo) {
            ExceptionUtil.throwCommonException(".", ErrorCode.ERROR_CODE_TLRNO_SESSION_INVALID);
        }
        GlobalInfo.setCurrentInstance(globalInfo);
        return globalInfo;
    }

    //? GlobalInfo
    protected GlobalInfo initGlobalInfo(HttpServletRequest request) throws CommonException {

        return checkGlobalInfo(request);
    }

    /**
     * Session data manage For session data
     */
    /**
     * Retrieve a session object based on the request and the attribute name.
     */
    protected Object getSessionObject(HttpServletRequest req, String attrName) {
        return SessionManager.getInstance().getSessionObject(req, attrName);
    }

    /**
     * Set a session object based on the request and the attribute name.
     */
    protected boolean setSessionObject(HttpServletRequest req, String attrName, Object value) {
        return SessionManager.getInstance().setSessionObject(req, attrName, value);
    }

    /**
     * Remove a session object based on the request and the attribute name.
     */
    protected boolean removeSessionObject(HttpServletRequest req, String attrName) {
        return SessionManager.getInstance().removeSessionObject(req, attrName);
    }

    /**
     * Session manage For session
     */
    public HttpSession getNewSession(HttpServletRequest req) {
        return SessionManager.getInstance().getNewSession(req);
    }

    protected HttpSession getSession(HttpServletRequest req) {
        return SessionManager.getInstance().getSession(req);
    }

    protected String getSessionID(HttpServletRequest req) {
        return SessionManager.getInstance().getSessionID(req);
    }

    protected boolean isExpired(HttpServletRequest req) {
        return SessionManager.getInstance().isExpired(req);
    }

    protected boolean destroySessionData(HttpServletRequest req) {
        return SessionManager.getInstance().destroySessionData(req);
    }

    protected boolean destroySession(HttpServletRequest req) {
        return SessionManager.getInstance().destroySession(req);
    }

    //databus
    public void setValue2DataBus(HttpServletRequest request, String databusId, String fieldId, String fieldValue)
            throws AppException {
        try {
            if (fieldValue == null)
                fieldValue = "";
            HttpSession session = null;
            session = request.getSession();
            DataBus dataBus = CommonQueryDataBusMng.getDataBus(session.getId(), databusId, session);
            dataBus.setField(fieldId, fieldValue);
        } catch (AppException appEx) {
            throw new AppException(appEx.getModuleName(), appEx.getErrCd(),
                    ErrorCodeUtil.convertErrorMessage(log, appEx), appEx);
        } catch (Exception ex) {
            throw new AppException(Module.SYSTEM_MODULE, Rescode.DEFAULT_RESCODE, ex);
        }
    }

    //databus
    public String getValueFromDataBus(HttpServletRequest request, String databusId, String fieldId)
            throws AppException {
        try {
            HttpSession session = null;
            session = request.getSession();
            DataBus dataBus = CommonQueryDataBusMng.getDataBus(session.getId(), databusId, session);
            return dataBus.getFieldValue(fieldId);
        } catch (AppException appEx) {
            throw new AppException(appEx.getModuleName(), appEx.getErrCd(),
                    ErrorCodeUtil.convertErrorMessage(log, appEx), appEx);
        } catch (Exception ex) {
            throw new AppException(Module.SYSTEM_MODULE, Rescode.DEFAULT_RESCODE, ex);
        }
    }

}