package com.meikai.core.action;



import java.io.IOException;

import java.io.PrintWriter;

import java.util.Map;



import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;



import com.meikai.core.util.Pagination;



import org.apache.log4j.Logger;

import org.apache.struts2.ServletActionContext;



import com.opensymphony.xwork2.ActionContext;

import com.opensymphony.xwork2.ActionSupport;



/**

 * Action公共处理类

 * 

 * @author ntyookien

 * 

 * @version $Revision: 1.9 $ $Date: 2008/04/02 05:48:40 $

 */

public abstract class BasicActionSupport extends ActionSupport  {



	public static Logger logger = Logger.getLogger(sun.reflect.Reflection.getCallerClass(1)); 

	public static String CREATE = "create";

	public static String EDIT = "edit";

	public static String UPDATE = "update";

	public static String DELETE = "delete";

	public static String SELECT = "select";

	public static String INFO = "info";

	public static String WARN = "warn";

	public static String LIST = "list";

	public static String VIEW = "view";



	// 编号

	protected int id;

	public void setId(int id){

		this.id = id;

	}

	

	// 动作

	protected String action;

	public void setAction(String action){

		this.action = action;

	}

	

    /**

     * 取得request中parameter的值

     * @param parameter 参数

     * @return string 参数的值

     */

    protected String getParameter(String parameter) {

    	Object value = getParameters().get(parameter);

    	if(value!=null){

    		return ((String[])value)[0];

    	}

 		return "";

    }

  

	protected HttpServletRequest getRequest() {

        return ServletActionContext.getRequest();  

    }

    

	protected HttpServletResponse getResponse() {

		return ServletActionContext.getResponse();

	}

    

    /**

     * 取得request中parameter的值

     * @param parameter 参数

     * @return string 参数的值

     */

    protected String[] getParameterValues(String parameter) {

    	String[] values = this.getRequest().getParameterValues(parameter);

    	if(values!=null){

    		return values;

    	}

    	return new String[]{};

    }

    

    /**

     * 取得整型参数的值

     * @param parameter 参数

     * @return int 当前类别

     */

    protected int getIntParameter(String parameter){

    	Object value = getParameters().get(parameter);

    	if(value!=null){

    		try{

    			return Integer.parseInt(((String[])value)[0]);

    		}

    		catch(Exception e){

    			return 0;

    		}

    	}

 		return 0;    	

    }

    

    /**

     * 取得分页的起始页

     * @return

     */

    protected int getPaginationStart(){

    	return getIntParameter("start");

    }



    /**

     * 取得IP

     * @return

     */

    protected String getRemoteAddr() {

    	return getRequest().getRemoteAddr();

    }

    

    /**

     * 

     * @return

     */

    protected Map getParameters(){

        ActionContext actionContext = ActionContext.getContext();

    	Map parameters = (Map)actionContext.getParameters();    

    	return parameters;

    }

    

    /**

     * 取得web发布路径

     * @return 容器路径

     */

    public String getContextPath(){

    	return ServletActionContext.getServletContext().getRealPath("/");

    }

    



	/**

	 * 运用j2ee api将数据发给客户端

	 * 

	 * @param content

	 * @throws IOException

	 */

	protected void sendClient(String content) throws IOException

	{

		PrintWriter out = getResponseWriter();

		out.print(content);

		out.flush();

		out.close();

	}

	protected PrintWriter getResponseWriter() throws IOException

	{

		HttpServletResponse response = ServletActionContext.getResponse();

		response.setContentType("text/html;charset=utf-8");

		return response.getWriter();

	}

       

    /**

     * 返回值的定义

     */

    public String actionMessage;

	public String getActionMessage() {

		return actionMessage;

	}

	public void setActionMessage(String actionMessage) {

		this.actionMessage = actionMessage;

	}

	

    public String errorMessage;	

	public String getErrorMessage() {

		return errorMessage;

	}

	public void setErrorMessage(String errorMessage) {

		this.errorMessage = errorMessage;

	}

	

	public String warnMessage;

	public String getWarnMessage() {

		return warnMessage;

	}

	public void setWarnMessage(String warnMessage) {

		this.warnMessage = warnMessage;

	}	

	

	public String infoMessage;

	public String getInfoMessage() {

		return infoMessage;

	}

	public void setInfoMessage(String infoMessage) {

		this.infoMessage = infoMessage;

	}	

	

    /**

     * 分页Bean的设置

     */

	private Pagination pagination = null;

	

	public Pagination getPagination() {

		return pagination;

	}



	public void setPagination(Pagination pagination) {

		this.pagination = pagination;

	}

	

}