package com.lib.actionform;import org.apache.struts.action.*;import javax.servlet.http.*;import java.util.List;import com.lib.util.FillDataUtil;import com.lib.vo.Book;import java.util.ArrayList;public class BookActionForm extends ActionForm {  private List books = new FillDataUtil(Book.class);  private ArrayList types = new ArrayList();  private String operation;  private Long deleteUID = null;  public BookActionForm()  {    operation = "display";  }  public ActionErrors validate(ActionMapping actionMapping, HttpServletRequest httpServletRequest) {    /**@todo: finish this method, this is just the skeleton.*/    return null;  }  public void reset(ActionMapping actionMapping, HttpServletRequest httpServletRequest) {  }  public Long getDeleteUID() {    return deleteUID;  }  public void setDeleteUID(Long deleteUID) {    this.deleteUID = deleteUID;  }  public String getOperation() {    return operation;  }  public void setOperation(String operation) {    this.operation = operation;  }  public ArrayList getTypes() {    return types;  }  public void setTypes(ArrayList types) {    this.types = types;  }  public List getUsers() {    return users;  }  public void setUsers(List users) {    this.users = users;  }}