public class Data implements Serializable {
private static final long serialVersionUID = -1491499610244557029L;
public static int CODE_SUCCESS = 0;
public static int CODE_FAILURED = -1;
public static String NOOP = "";
private int code; // 处理状态:0: 成功
private String message;
private Object data; // 返回数据
private ArrayList<Button> links = new ArrayList<>();
private Data(int code, String message, Object data){
this.code = code;
this.message = message;
this.data = data;
}
/**
* 处理成功,并返回数据
* @param data
* @return
*/
public static final Data success(Object data){
return new Data(Data.CODE_SUCCESS, "Operation succeeded", data);
}
/**
*
* @param message
* @return
*/
public static final Data success(String message ){
return new Data(Data.CODE_SUCCESS, message, null);
}
public static final Data success(String message, Object data){
return new Data(Data.CODE_SUCCESS, message, data);
}
/**
* Processing fails, And return data (usually error information)
* @param code
* @return
*/
public static final Data failure(int code, String message){
return new Data(code, message, null);
}
public static final Data failure(String message){
return failure(Data.CODE_FAILURED, message);
}
public int getCode() {
return code;
}
public void setCode(int code) {
this.code = code;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public Object getData() {
return data;
}
public void setData(Object data) {
this.data = data;
}
public Data addLink(String link, String text) {
links.add(new Button(link, text));
return this;
}
public ArrayList<Button> getLinks() {
return links;
}
public void setLinks(ArrayList<Button> links) {
this.links = links;
}
public String toString() {
return "{code:\"" + code + "\", message:\"" + message + "\", data:\"" + (data != null ? data.toString():"") + "\"}";
}
public class Button {
private String text;
private String link;
public Button(String link, String text) {
this.link = link;
this.text = text;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
public String getLink() {
return link;
}
public void setLink(String link) {
this.link = link;
}
}
}
javaweb development return data format use case
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