addbookform.java

struts-bookstore 值得参考的MVC代码!

package ch24.struts.form;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;

/** 
 * XDoclet definition:
 * @struts:form name="addBookForm"
 */
public class AddBookForm extends ActionForm {

	/** sum property */
	private int sum = 1;

	/** bookId property */
	private String bookId;

	/** 
	 * Method validate
	 * @param ActionMapping mapping
	 * @param HttpServletRequest request
	 * @return ActionErrors
	 */
	public ActionErrors validate(
		ActionMapping mapping,
		HttpServletRequest request) {

		ActionErrors errors = new ActionErrors();

		if ((bookId == null) || (bookId.length() < 1))
			errors.add("bookId", new ActionMessage("login.no.username.error"));
		if (sum <= 0)
			errors.add("bookSum", new ActionMessage("login.no.username.error"));

		return errors;
	}

	/** 
	 * Returns the sum.
	 * @return int
	 */
	public int getSum() {
		return sum;
	}

	/** 
	 * Set the sum.
	 * @param sum The sum to set
	 */
	public void setSum(int sum) {
		this.sum = sum;
	}

	/** 
	 * Returns the bookId.
	 * @return String
	 */
	public String getBookId() {
		return bookId;
	}

	/** 
	 * Set the bookId.
	 * @param bookId The bookId to set
	 */
	public void setBookId(String bookId) {
		this.bookId = bookId;
	}

	public void reset(ActionMapping arg0, HttpServletRequest arg1) {
		sum = 1;
		bookId = null;
	}

}