userformbean.java

学生选课管理系统 struts hibernate

package com.action;
import javax.servlet.http.*;
import org.apache.struts.action.*;
public class UserFormBean extends ActionForm{
	private String username="sist";
	private String password="sist";
	private String name="sist";
	private String grade;
	private String major;
	private String[] defaultValues =
    { username, password, name };
	private String warning = "";
	
	public String getUsername()
	{
		return(username);
	}
	public void setUsername(String username)
	{
		this.username=username;
	}
	public String getPassword() {
		    return(password);
		  }

    public void setPassword(String password) {
		    this.password = password;
		  }
    public String getName()
    {
    	return(name);
    }
    public void setName(String name)
    {
    	this.name=name;
    }
    public String getMajor()
    {
    	return(major);
    }
    public void setMajor(String major)
    {
    	this.major=major;
    }
    public String getGrade()
    {
    	return(grade);
    }
    public void setGrade(String grade)
    {
    	this.grade=grade;
    }
    
    public ActionErrors validate(ActionMapping mapping,
            					 HttpServletRequest request) {
		ActionErrors errors = new ActionErrors();	
		if (isMissing(getUsername())) {
			errors.add("usernameMissing",
			new ActionMessage("value.required",
		                	  "username"));
		}
		if (isMissing(getPassword())) {
			errors.add("passwordMissing",
			new ActionMessage("value.required",
			                  "password"));
			}
		if (isMissing(getName())) {
			errors.add("nameMissing",
			new ActionMessage("value.required",
			                  "name"));
			}
		return(errors);
		}
		
		private boolean isMissing(String value) {
		if((value == null) || (value.trim().equals(""))) {
			return true;
		}else {
		      for(int i=0; i<defaultValues.length; i++) {
		          if (value.equals(defaultValues[i])) {
		            return(true);
		          }
		        }
		        return(false);
		      }
		}
}