u01validator.java

持久层hibernate技术使用的一个例子

package cn.hope.mana.form.validation;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.validator.Field;
import org.apache.commons.validator.ValidatorAction;
import org.apache.commons.validator.util.ValidatorUtils;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.validator.Resources;

import cn.hope.mana.util.Utility;

public class U01Validator {
	/**
	 * @复选框验证
	 * @author lijia
	 * @param bean
	 * @param va
	 * @param field
	 * @param errors
	 * @param request
	 * @return boolean
	 */
	public static boolean checkSelectValidation(Object bean, ValidatorAction va,
			Field field, ActionMessages errors, HttpServletRequest request) {		
		String method = request.getParameter("method");
		String checkValidatoe = request.getParameter("checkValidatoe");
		try {
			if (method.equals("delete") || (method.equals("update") && checkValidatoe!=null && checkValidatoe.equals("0"))) {
				String value = ValidatorUtils.getValueAsString(bean, field
						.getProperty());
				if (value == null) {
					errors.add(field.getKey(), Resources.getActionMessage(request,
							va, field));
					return false;
				}
			}
		} catch (Exception e) {
			errors.add(field.getKey(), Resources.getActionMessage(request, va,
					field));
			return false;
		}
		return true;
	}
	/**
	 * @时间验证
	 * @author lijia
	 * @param bean
	 * @param va
	 * @param field
	 * @param errors
	 * @param request
	 * @return boolean
	 */
	public static boolean timeValidation(Object bean, ValidatorAction va,
			Field field, ActionMessages errors, HttpServletRequest request) {
		String startTime = request.getParameter("startTime");
		String endTime = request.getParameter("endTime");
		String method = request.getParameter("method");
		try {
			if (method.equals("search")){
				if ((startTime!=null && endTime!=null) && (!startTime.equals("") && (!endTime.equals("")))) {
					if(Utility.stringToDate(startTime).after(Utility.stringToDate(endTime))) {
						errors.add(field.getKey(), Resources.getActionMessage(request,
								va, field));
						return false;
					}
				}
			}
		} catch (Exception e) {
			errors.add(field.getKey(), Resources.getActionMessage(request, va,
					field));
			return false;
		}
		return true;
	}
	/**
	 * @空值验证
	 * @author lijia
	 * @param bean
	 * @param va
	 * @param field
	 * @param errors
	 * @param request
	 * @return boolean
	 */
	public static boolean requiredValidation(Object bean, ValidatorAction va,
			Field field, ActionMessages errors, HttpServletRequest request) {		
		String method = request.getParameter("method");
		try {
			if (method.equals("update") || method.equals("insert")){
				String value = ValidatorUtils.getValueAsString(bean, field
						.getProperty()).trim();
				if ((value == null || value.equals(""))) {
					errors.add(field.getKey(), Resources.getActionMessage(request,
							va, field));
					return false;
				}
			}
		} catch (Exception e) {
			errors.add(field.getKey(), Resources.getActionMessage(request, va,
					field));
			return false;
		}
		return true;
	}
	/**
	 * @长度验证 50
	 * @author lijia
	 * @param bean
	 * @param va
	 * @param field
	 * @param errors
	 * @param request
	 * @return boolean
	 */
	public static boolean l50Validation(Object bean, ValidatorAction va,
			Field field, ActionMessages errors, HttpServletRequest request) {
		String method = request.getParameter("method");
		try {
			if (method.equals("update") || method.equals("insert")){
				String value = ValidatorUtils.getValueAsString(bean, field
						.getProperty()).trim();
				if (value.length()>50) {
					System.out.println("ok");
					errors.add(field.getKey(), Resources.getActionMessage(request,
							va, field));
					return false;
				}
			}
		} catch (Exception e) {
			errors.add(field.getKey(), Resources.getActionMessage(request, va,
					field));
			return false;
		}
		return true;
	}
	/**
	 * @长度验证 200
	 * @author lijia
	 * @param bean
	 * @param va
	 * @param field
	 * @param errors
	 * @param request
	 * @return boolean
	 */
	public static boolean l200Validation(Object bean, ValidatorAction va,
			Field field, ActionMessages errors, HttpServletRequest request) {		
		String method = request.getParameter("method");
		try {
			if (method.equals("update") || method.equals("insert")){
				String value = ValidatorUtils.getValueAsString(bean, field
						.getProperty()).trim();
				if (value.length()>200) {
					System.out.println("ok");
					errors.add(field.getKey(), Resources.getActionMessage(request,
							va, field));
					return false;
				}
			}
		} catch (Exception e) {
			errors.add(field.getKey(), Resources.getActionMessage(request, va,
					field));
			return false;
		}
		return true;
	}
	/**
	 * @帮助管理下拉列表与文本框空值验证 
	 * @author lijia
	 * @param bean
	 * @param va
	 * @param field
	 * @param errors
	 * @param request
	 * @return boolean
	 */
	public static boolean required1MHelpValidation(Object bean, ValidatorAction va,
			Field field, ActionMessages errors, HttpServletRequest request) {		
		String method = request.getParameter("method");
		String htName = request.getParameter("mHtype.htName");
		try {
			if (method.equals("insert") || method.equals("update")){
				String value = ValidatorUtils.getValueAsString(bean, field
						.getProperty()).trim();
				if (value.equals("0") && (htName==null || htName.equals(""))) {
					errors.add(field.getKey(), Resources.getActionMessage(request,
							va, field));
					return false;
				}
			}
		} catch (Exception e) {
			errors.add(field.getKey(), Resources.getActionMessage(request, va,
					field));
			return false;
		}
		return true;
	}
	/**
	 * @公告管理下拉列表与文本框空值验证 
	 * @author lijia
	 * @param bean
	 * @param va
	 * @param field
	 * @param errors
	 * @param request
	 * @return boolean
	 */
	public static boolean required1MNounceValidation(Object bean, ValidatorAction va,
			Field field, ActionMessages errors, HttpServletRequest request) {		
		String method = request.getParameter("method");
		String tName = request.getParameter("mNtype.NType");
		try {
			if (method.equals("insert") || method.equals("update")){
				String value = ValidatorUtils.getValueAsString(bean, field
						.getProperty()).trim();
				if (value.equals("0") && (tName==null || tName.equals(""))) {
					errors.add(field.getKey(), Resources.getActionMessage(request,
							va, field));
					return false;
				}
			}
		} catch (Exception e) {
			errors.add(field.getKey(), Resources.getActionMessage(request, va,
					field));
			return false;
		}
		return true;
	}
}