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atguigu.ssh-2.actions

2015-09-14 07:50 309 查看

package com.atguigu.ssh.actions;

import java.io.ByteArrayInputStream;

import java.io.InputStream;

import java.io.UnsupportedEncodingException;

import java.util.Date;

import java.util.Map;

import org.apache.struts2.interceptor.RequestAware;

import com.atguigu.ssh.entities.Employee;

import com.atguigu.ssh.service.DepartmentService;

import com.atguigu.ssh.service.EmployeeService;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

import com.opensymphony.xwork2.Preparable;

public class EmployeeAction extends ActionSupport implements RequestAware,

ModelDriven<Employee>, Preparable{

/**
*
*/
private static final long serialVersionUID = 1L;

private EmployeeService employeeService;

public void setEmployeeService(EmployeeService employeeService) {
this.employeeService = employeeService;
}

private DepartmentService departmentService;

public void setDepartmentService(DepartmentService departmentService) {
this.departmentService = departmentService;
}

public String list() {
request.put("employees", employeeService.getAll());
return "list";
}

private Integer id;

public void setId(Integer id) {
this.id = id;
}

private InputStream inputStream;

public InputStream getInputStream() {
return inputStream;
}

public String delete() {
try {
employeeService.delete(id);
inputStream = new ByteArrayInputStream("1".getBytes("UTF-8"));
} catch (Exception e) {
e.printStackTrace();
try {
inputStream = new ByteArrayInputStream("0".getBytes("UTF-8"));
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}
}
return "ajax-success";
}

public String input(){
request.put("departments", departmentService.getAll());
return INPUT;
}

public void prepareInput(){
if(id != null){
model = employeeService.get(id);
}
}

public String save(){
if(id == null){
model.setCreateTime(new Date());
}
employeeService.saveOrUpdate(model);
return SUCCESS;
}

/**
* 可以根据 id 来判断为 save 方法准备的 model 是 new 的还是从数据库获取的!
*/
public void prepareSave(){
if(id == null){
model = new Employee();
}else{
model = employeeService.get(id);
}
}

private String lastName;

public void setLastName(String lastName) {
this.lastName = lastName;
}

public String validateLastName() throws UnsupportedEncodingException{
if(employeeService.lastNameIsValid(lastName)){
inputStream = new ByteArrayInputStream("1".getBytes("UTF-8"));
}else{
inputStream = new ByteArrayInputStream("0".getBytes("UTF-8"));
}

return "ajax-success";
}

private Map<String, Object> request;

@Override
public void setRequest(Map<String, Object> arg0) {
this.request = arg0;
}

@Override
public void prepare() throws Exception {}

private Employee model;

@Override
public Employee getModel() {
return model;
}

}

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