/**
*
* APDPlat - Application Product Development Platform
* Copyright (c) 2013, 杨尚川, yang-shangchuan@qq.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.apdplat.platform.action;
import org.apdplat.module.security.model.User;
import org.apdplat.platform.common.DataPrivilegeControl;
import org.apdplat.platform.criteria.Operator;
import org.apdplat.platform.criteria.Order;
import org.apdplat.platform.criteria.OrderCriteria;
import org.apdplat.platform.criteria.PageCriteria;
import org.apdplat.platform.criteria.Property;
import org.apdplat.platform.criteria.PropertyCriteria;
import org.apdplat.platform.criteria.PropertyEditor;
import org.apdplat.platform.criteria.Sequence;
import org.apdplat.platform.log.APDPlatLogger;
import org.apdplat.platform.model.Model;
import org.apdplat.platform.util.ReflectionUtils;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import javax.annotation.Resource;
import javax.persistence.MappedSuperclass;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.commons.lang.StringUtils;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.convention.annotation.Result;
import org.apache.struts2.convention.annotation.Results;
import org.apdplat.platform.log.APDPlatLoggerFactory;
import org.apdplat.platform.service.ServiceFacade;
@MappedSuperclass
@Results({
@Result(name = "error", location = "/error.jsp"),
@Result(name = "invalid.token", location = "/invalidToken.jsp"),
@Result(name = "success", location = "/_namespace_/_action_/success.jsp"),
@Result(name = "input", location = "/_namespace_/_action_/edit.jsp"),
@Result(name = "list", type = "freemarker", location = "/_namespace_/_action_/list.ftl"),
@Result(name = "detail", type = "freemarker", location = "/_namespace_/_action_/detail.ftl"),
@Result(name = "form", type = "freemarker", location = "/_namespace_/_action_/form.ftl")})
public abstract class ActionSupport extends DataPrivilegeControl{
protected final APDPlatLogger LOG = APDPlatLoggerFactory.getAPDPlatLogger(getClass());
protected static final String LIST = "list";
protected static final String FORM = "form";
protected static final String INPUT = "input";
protected static final String ERROR = "error";
protected static final String SUCCESS = "success";
protected static final String DETAIL = "detail";
private Feedback feedback;
private PageCriteria pageCriteria = new PageCriteria(1, 17);
private String propertyCriteria;
private String orderCriteria;
//客户端传过来的构造好的查询字符串
protected String queryString;
private String modelName;
//三种获取批量ID的形式
private Integer[] id;
private String ids;
private boolean allPage=false;
protected static final OrderCriteria defaultOrderCriteria = new OrderCriteria();
static {
defaultOrderCriteria.addOrder(new Order("id", Sequence.DESC));
}
@Resource(name = "serviceFacade")
private ServiceFacade service;
/**
* 子类可重载使用特定的数据库服务
* @return
*/
public ServiceFacade getService(){
return service;
}
public Locale getLocale() {
ActionContext ctx = ActionContext.getContext();
if (ctx != null) {
return ctx.getLocale();
} else {
LOG.debug("Action context not initialized");
return null;
}
}
public String execute() {
LOG.info("调用了action的默认execute方法");
return null;
}
protected String getDefaultModelName(Class clazz){
String modelClassName = ReflectionUtils.getSuperClassGenricType(clazz).getSimpleName();
return Character.toLowerCase(modelClassName.charAt(0))+modelClassName.substring(1);
}
public Integer[] getIds() {
if (ids != null && ids.contains("-") && ids.contains(",")) {
Set<Integer> result = new HashSet<>();
String[] idInfo = ids.split(",");
for (String info : idInfo) {
if (info.contains("-")) {
String[] inner = info.split("-");
int start = Integer.parseInt(inner[0]);
int end = Integer.parseInt(inner[1]);
if (start > end) {
int temp = start;
start = end;
end = temp;
}
for (int i = start; i < end + 1; i++) {
result.add(i);
}
} else {
result.add(Integer.parseInt(info));
}
}
return result.toArray(new Integer[result.size()]);
}
if (ids != null && ids.contains("-")) {
String[] idInfo = ids.split("-");
int start = Integer.parseInt(idInfo[0]);
int end = Integer.parseInt(idInfo[1]);
if (start > end) {
int temp = start;
start = end;
end = temp;
}
Set<Integer> result = new HashSet<>();
for (int i = start; i < end + 1; i++) {
result.add(i);
}
return result.toArray(new Integer[result.size()]);
}
if (ids != null && ids.contains(",")) {
String[] idInfo = ids.split(",");
Set<Integer> result = new HashSet<>();
for (int i = 0; i < idInfo.length; i++) {
result.add(Integer.parseInt(idInfo[i]));
}
return result.toArray(new Integer[result.size()]);
}
if (ids != null) {
Integer[] result = new Integer[1];
result[0] = Integer.parseInt(ids);
return result;
}
return id;
}
//propertyCriteria =score:gt:30,score:lt:60,birthday:gt:1983-10-21,birthday:lt:2009-12-12
public PropertyCriteria buildPropertyCriteria() {
if (StringUtils.isBlank(propertyCriteria)) {
return null;
}
PropertyCriteria result = new PropertyCriteria();
propertyCriteria=propertyCriteria.replace("，", ",");
propertyCriteria=propertyCriteria.replace(";", ",");
propertyCriteria=propertyCriteria.replace("；", ",");
//,号用来分割属性
String[] properties = propertyCriteria.split(",");
int start=0;
//判断是否支持集合查询
if(propertyCriteria.startsWith("collection:") && properties.length>2){
String collection=properties[0].split(":")[1];
String object=properties[1].split(":")[1];
result.setCollection(collection);
result.setObject(object);
start=2;
}
for (int i=start;i<properties.length;i++) {
String prop=properties[i];
//:号用来分割属性内部的类型、属性名、操作符、属性值
String[] propInfo = prop.split(":");
if(propInfo.length!=3){
LOG.error("属性过滤器错误："+prop);
continue;
}
PropertyEditor propertyEditor = new PropertyEditor(propInfo[0], propInfo[1], propInfo[2]);
result.addPropertyEditor(propertyEditor);
}
return result;
}
public OrderCriteria buildOrderCriteria() {
if (orderCriteria == null) {
return defaultOrderCriteria;
}
OrderCriteria result = new OrderCriteria();
String[] orders = orderCriteria.split(",");
for (String order : orders) {
String[] orderInfo = order.split(":");
result.addOrder(new Order(orderInfo[0], orderInfo[1]));
}
return result;
}
public static String dealWithResult(String finalLocation, ActionInvocation invocation) {
String namespace = invocation.getProxy().getNamespace();
String action = invocation.getProxy().getActionName();
String method = invocation.getProxy().getMethod();
if (finalLocation.contains("_namespace_")) {
finalLocation = finalLocation.replace("_namespace_", namespace);
}
if (finalLocation.contains("_action_")) {
finalLocation = finalLocation.replace("_action_", action);
}
return finalLocation;
}
protected HttpServletRequest getRequest() {
return ServletActionContext.getRequest();
}
protected HttpSession getSession() {
return ServletActionContext.getRequest().getSession();
}
private Enumeration<?> getRequestParameterNames() {
return getRequest().getParameterNames();
}
private String getRequestParameterValue(String par) {
return getRequest().getParameter(par);
}
public boolean hasRequest() {
if (getRequest() != null) {
return true;
}
return false;
}
/**
* 在更新一个特定的部分的Model之前对Model添加需要修改的属性
* @return
*/
protected void assemblyModelForPartUpdate(List<Property> properties) {
}
protected <T extends Model> List<Property> getPartProperties(T model) {
List<Property> properties = new ArrayList<>();
Enumeration<?> pars = getRequestParameterNames();
while (pars.hasMoreElements()) {
String par = (String) pars.nextElement();
if (par.startsWith("model.") && !par.equals("model.id")) {
String prop = par.replace("model.", "");
if(prop.contains(".")){
if(prop.contains(".id")){
//处理两个对象之间的引用，如：model.org.id=1
String[] attr=prop.replace(".",",").split(",");
if(attr.length==2){
Object obj=ReflectionUtils.getFieldValue(model, attr[0]);
properties.add(new Property(prop, ReflectionUtils.getFieldValue(obj, attr[1])));
}
}
}
else{
properties.add(new Property(prop, ReflectionUtils.getFieldValue(model, prop)));
}
}
}
assemblyModelForPartUpdate(properties);
return properties;
}
protected void buildModel(Model model) {
Enumeration<?> pars = getRequestParameterNames();
while (pars.hasMoreElements()) {
String par = (String) pars.nextElement();
if (par.startsWith("model.")) {
String fieldName = par.replace("model.", "");
String value = getRequestParameterValue(par);
//这里应该有类型转换和合法性校验
PropertyEditor propertyEditor = new PropertyEditor(fieldName, Operator.eq, value);
Class<?> fieldType = ReflectionUtils.getDeclaredField(model, fieldName).getType();
Object fieldValue;
if (fieldType != propertyEditor.getPropertyType().getValue()) {
LOG.debug(fieldType + "!=" + propertyEditor.getPropertyType().getValue());
fieldValue = propertyEditor.getProperty().getValue().toString();
} else {
fieldValue = propertyEditor.getProperty().getValue();
}
ReflectionUtils.setFieldValue(model, fieldName, fieldValue);
}
}
}
public void setId(Integer[] id) {
this.id = id;
}
public String getQueryString() {
StringBuilder result=new StringBuilder();
if(queryString!=null && !queryString.trim().equals("")){
String[] props=queryString.trim().split(" ");
for(int i=0;i<props.length-1;i++){
String prop=props[i];
if("".equals(prop.trim())){
continue;
}
if(prop.contains("[")){
result.append(prop).append(" ");
continue;
}
if(prop.contains("-")){
result.append(prop).append(" ");
continue;
}
if(prop.contains(":")){
result.append(prop).append(" ");
continue;
}
if("TO".equals(prop.trim())){
result.append(prop).append(" ");
continue;
}
if(prop.contains("]")){
result.append(prop).append(" ");
continue;
}
if("AND".equals(prop.trim())){
result.append("AND").append(" ");
continue;
}
String[] term=prop.split(":");
//处理关键词为空格的情况
if(term.length!=2){
prop=prop.trim()+"*";
term=prop.split(":");
}
//如果关键词的长度为1,并且不为*,?以及数字，则在此字符之前和之后加入*
if(term[1].trim().length()==1 && !term[1].trim().equals("*") && !term[1].trim().equals("?") && !Character.isDigit(term[1].trim().charAt(0))){
result.append(term[0])
.append(":")
.append("*")
.append(term[1])
.append("*")
.append(" ");
}else{
result.append(prop).append(" ");
}
}
result.append(props[props.length-1]);
}
String ret=result.toString().trim();
while(ret.contains("AND AND")){
ret=ret.replace("AND AND", "AND");
}
ret=getCustomQueryString(ret);
/*
User user=UserHolder.getCurrentLoginUser();
int s=ret.lastIndexOf(":");
String modelClass=ret.substring(s+1).trim();
//如果用户不是超级用户就限制数据访问
if(user!=null && !user.isSuperManager() && needPrivilege(modelClass)){
user=refreshUser(user);
Org org=user.getOrg();
List<String> child=OrgService.getChildNames(org);
StringBuilder str=new StringBuilder();
str.append("(");
//用户可以操纵自己的数据
str.append(" +username:").append(user.getUsername());
//如果用户的组织架构有子机构，则用户除了能操纵自己的数据，还能操纵子机构的所有数据
if(!child.isEmpty()){
for(String orgName : child){
str.append(" OR +orgName:").append(orgName);
}
}
str.append(") AND ");
ret=str.toString()+ret;
}
*
*/
return ret;
}
protected String getCustomQueryString(String queryString){
return queryString;
}
protected User refreshUser(User user){
return user;
}
public void setQueryString(String queryString) {
this.queryString = queryString;
}
public PageCriteria getPageCriteria() {
if(this.isAllPage()){
return null;
}
return pageCriteria;
}
public void setPageCriteria(PageCriteria pageCriteria) {
this.pageCriteria = pageCriteria;
}
public void setPropertyCriteria(String propertyCriteria) {
this.propertyCriteria = propertyCriteria;
}
public void setOrderCriteria(String orderCriteria) {
this.orderCriteria = orderCriteria;
}
public void setIds(String ids) {
this.ids = ids;
}
public String getModelName() {
return modelName;
}
public void setModelName(String modelName) {
this.modelName = modelName;
}
public Feedback getFeedback() {
return feedback;
}
public void setFeedback(Feedback feedback) {
this.feedback = feedback;
}
public boolean isAllPage() {
return allPage;
}
public void setAllPage(boolean allPage) {
this.allPage = allPage;
}
}