From 7f2edc4bf3b3d2ac429abb9a06ac7f425b2a01fd Mon Sep 17 00:00:00 2001
From: luxiaotao1123 <t1341870251@63.com>
Date: 星期三, 28 十二月 2022 09:00:42 +0800
Subject: [PATCH] #
---
src/main/java/com/zy/core/News.java | 137 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 135 insertions(+), 2 deletions(-)
diff --git a/src/main/java/com/zy/core/News.java b/src/main/java/com/zy/core/News.java
index 6257bd1..47b3c24 100644
--- a/src/main/java/com/zy/core/News.java
+++ b/src/main/java/com/zy/core/News.java
@@ -1,15 +1,148 @@
package com.zy.core;
+import com.alibaba.fastjson.JSON;
import lombok.extern.slf4j.Slf4j;
+import java.lang.reflect.Array;
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+
/**
- * news stories
+ * news stories for zoneyung
* Created by vincent on 2022/12/22
*/
@Slf4j
-@SuppressWarnings({"unchecked","rawtypes"})
public class News {
+ public static void main(String[] args) {
+ News.info("info{}", 1);
+ News.warn("warn{}", 2);
+ News.error("error{}", 3);
+ System.out.println(JSON.toJSONString(NEWS_QUEUE.data()));
+ }
+ interface NewsSupport<T> { boolean execute(T t); }
+
+ private static final NewsQueue<NewsDomain> NEWS_QUEUE = new NewsQueue<>(NewsDomain.class, 1024);
+
+ @SuppressWarnings({"unchecked"})
+ static class NewsQueue<T> {
+
+ private final transient Class<T> cls;
+ private final T[] arr;
+ private final int capacity;
+ private int head;
+ private int tail;
+
+ { this.head = 0; this.tail = 0; }
+
+ public NewsQueue(Class<T> cls, int capacity) {
+ this.cls = cls;
+ this.arr = (T[]) Array.newInstance(cls, capacity);
+ this.capacity = capacity;
+ }
+
+ public synchronized boolean offer(T t) {
+ if (this.tail == this.capacity) {
+ this.peek();
+ }
+ this.reform();
+ this.arr[this.tail] = t;
+ this.tail ++;
+ return true;
+ }
+
+ public synchronized boolean put(T t) {
+ if (this.tail == this.capacity) {
+ return false;
+ } else {
+ this.reform();
+ }
+ this.arr[this.tail] = t;
+ this.tail ++;
+ return true;
+ }
+
+ public synchronized T peek() {
+ if (this.head == this.tail) {
+ return null;
+ }
+ T t = this.arr[this.head];
+ this.head ++;
+ this.reform();
+ return t;
+ }
+
+ private void reform() {
+ for (int i = this.head; i < this.tail; i++) {
+ this.arr[i-this.head] = this.arr[i];
+ }
+ this.tail -= this.head;
+ this.head = 0;
+ }
+
+ public synchronized int size() {
+ return this.tail - this.head;
+ }
+
+ public synchronized List<T> data() {
+ T[] ts = (T[]) Array.newInstance(this.cls, size());
+ if (this.tail - this.head >= 0) {
+ System.arraycopy(this.arr, this.head, ts, 0, this.tail - this.head);
+ }
+ return Arrays.asList(ts);
+ }
+
+ }
+
+ public static void info(String format, Object... arguments) {
+ offer(NewsLevel.INFO, format, arguments);
+ }
+
+ public static void warn(String format, Object... arguments) {
+ offer(NewsLevel.WARN, format, arguments);
+ }
+
+ public static void error(String format, Object... arguments) {
+ offer(NewsLevel.ERROR, format, arguments);
+ }
+
+ private static boolean offer(NewsLevel level, String msg, Object[] args) {
+ return NEWS_QUEUE.offer(new NewsDomain(level, replace(msg, args), new Date()));
+ }
+
+ private static String replace(String str, Object[] objs){
+ if (null == objs || objs.length == 0 || null == str || "".equals(str.trim())) {
+ return str;
+ } else {
+ StringBuilder sb = new StringBuilder(str);
+ for (Object obj : objs) {
+ int idx = sb.indexOf("{}");
+ if (idx == -1) { break; }
+ sb.replace(idx, idx + 2, String.valueOf(obj));
+ }
+ return sb.toString();
+ }
+ }
+
+ static class NewsDomain {
+ public NewsLevel level;
+ public String content;
+ public Date date;
+
+ public NewsDomain(NewsLevel level, String content, Date date) {
+ this.level = level;
+ this.content = content;
+ this.date = date;
+ }
+ }
+
+ enum NewsLevel {
+ INFO,
+ WARN,
+ ERROR,
+ ;
+ }
}
--
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