java解析任意层的json数据(递归解析)

/**
 * JSONObject解析方法(可以解析任意层json,采用递归解析的方法)
 * @param objJson
 * @param menu 父菜单实体类
 * @param list List集合
 * @return
 */
@SuppressWarnings("rawtypes")
public static List analysisJson(Object objJson,Menu menu,List list) {
        // 如果obj为json数组
	if (objJson instanceof JSONArray) {
		//将接收到的对象转换为JSONArray数组
		JSONArray objArray = (JSONArray) objJson;
		//对JSONArray数组进行循环遍历
		for (int i = 0; i < objArray.size(); i++) {
			//新建menu对象
			Menu menu1 = new  Menu();
			//设置menu属性
			menu1.setParentIds(((JSONObject)objArray.get(i)).get("parentIds").toString());
			menu1.setSort(Integer.parseInt(((JSONObject)objArray.get(i)).get("sort").toString()));
			menu1.setRemarks(((JSONObject)objArray.get(i)).get("remarks").toString());
			menu1.setId(((JSONObject)objArray.get(i)).get("id").toString());
			menu1.setPermission(((JSONObject)objArray.get(i)).get("key").toString());
			menu1.setHref(((JSONObject)objArray.get(i)).get("parameter").toString());
			menu1.setName(((JSONObject)objArray.get(i)).get("name").toString());
			menu1.setIsShow(((JSONObject)objArray.get(i)).get("isShow").toString());
			//如果menu的ID为空,则说明父级菜单为顶级菜单,则设其ID为1
			if("".equals(menu.getId())|| menu.getId() == null){
				menu.setId("1");
			}
			//设置menu对象的Parent的值为父级菜单对象
			menu1.setParent(menu);
			//将该级菜单对象存进list集合中
			list.add(menu1);
			//调用回调方法
			analysisJson(objArray.get(i),menu1,list);
		}
	// 如果为json对象
	}else if (objJson instanceof JSONObject) {
		//将Object对象转换为JSONObject对象
		JSONObject jsonObject = (JSONObject) objJson;
		//迭代多有的Key值
		Iterator it = jsonObject.keys();
		//遍历每个Key值
		while (it.hasNext()) {
			//将key值转换为字符串
			String key = it.next().toString();
			//根据key获取对象
			Object object = jsonObject.get(key);
			// 如果得到的是数组
			if (object instanceof JSONArray) {
				//将Object对象转换为JSONObject对象
				JSONArray objArray = (JSONArray) object;
				//调用回调方法
				analysisJson(objArray,menu,list);
			}
			// 如果key中是一个json对象
			else if (object instanceof JSONObject) {
				//调用回调方法
				analysisJson((JSONObject) object,menu,list);
			}
		}
	}
	return list;
}     
组装实体类:  
/** 
 * 菜单Entity 
 * @author ThinkGem 
 * @version 2013-05-15 
 */  
public class Menu extends DataEntity {  
  
    private static final long serialVersionUID = 1L;  
    private Menu parent;    // 父级菜单  
    private String parentIds; // 所有父级编号  
    private String name;     // 名称  
    private String href;     // 链接  
    private String target;     // 目标( mainFrame、_blank、_self、_parent、_top)  
    private String icon;     // 图标  
    private Integer sort;     // 排序  
    private String isShow;     // 是否在菜单中显示(1:显示;0:不显示)  
    private String permission; // 权限标识  
      
    private String userId;  
      
    public Menu(){  
        super();  
        this.sort = 30;  
        this.isShow = "1";  
    }  
      
    public Menu(String id){  
        super(id);  
    }  
      
    @JsonBackReference  
    @NotNull  
    public Menu getParent() {  
        return parent;  
    }  
  
    public void setParent(Menu parent) {  
        this.parent = parent;  
    }  
  
    @Length(min=1, max=2000)  
    public String getParentIds() {  
        return parentIds;  
    }  
  
    public void setParentIds(String parentIds) {  
        this.parentIds = parentIds;  
    }  
      
    @Length(min=1, max=100)  
    public String getName() {  
        return name;  
    }  
  
    public void setName(String name) {  
        this.name = name;  
    }  
  
    @Length(min=0, max=2000)  
    public String getHref() {  
        return href;  
    }  
  
    public void setHref(String href) {  
        this.href = href;  
    }  
  
    @Length(min=0, max=20)  
    public String getTarget() {  
        return target;  
    }  
  
    public void setTarget(String target) {  
        this.target = target;  
    }  
      
    @Length(min=0, max=100)  
    public String getIcon() {  
        return icon;  
    }  
  
    public void setIcon(String icon) {  
        this.icon = icon;  
    }  
      
    @NotNull  
    public Integer getSort() {  
        return sort;  
    }  
      
    public void setSort(Integer sort) {  
        this.sort = sort;  
    }  
      
    @Length(min=1, max=1)  
    public String getIsShow() {  
        return isShow;  
    }  
  
    public void setIsShow(String isShow) {  
        this.isShow = isShow;  
    }  
  
    @Length(min=0, max=200)  
    public String getPermission() {  
        return permission;  
    }  
  
    public void setPermission(String permission) {  
        this.permission = permission;  
    }  
  
    public String getParentId() {  
        return parent != null && parent.getId() != null ? parent.getId() : "0";  
    }  
  
    @JsonIgnore  
    public static void sortList(List list, List sourcelist, String parentId, boolean cascade){  
        for (int i=0; i


 
  

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