From cbb17cf73f3d5edde489701a4401a36c8c1c6994 Mon Sep 17 00:00:00 2001
From: luxiaotao1123 <t1341870251@163.com>
Date: 星期一, 14 九月 2020 12:53:55 +0800
Subject: [PATCH] #
---
src/main/java/com/zy/common/utils/Struct.java | 28 ++++++++++++++++++++++------
1 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/src/main/java/com/zy/common/utils/Struct.java b/src/main/java/com/zy/common/utils/Struct.java
index 29baf5c..0ee0939 100644
--- a/src/main/java/com/zy/common/utils/Struct.java
+++ b/src/main/java/com/zy/common/utils/Struct.java
@@ -16,10 +16,15 @@
import java.nio.charset.StandardCharsets;
import java.util.*;
+/**
+ * Tcp鍗忚鎶ユ枃鍩虹被
+ * @author vincent
+ */
public class Struct implements java.io.Serializable {
private transient Map<String,byte[]> decodeByteMapping = new HashMap<>();
private transient Map<String,byte[]> encodeByteMapping = new HashMap<>();
+ // 瑙ｇ爜鍓嶇殑鍘熺敓瀛楄妭鏁扮粍
private transient byte[] dataBytes = null;
private transient byte[] decodeBytes = null;
private transient byte[] encodeBytes = null;
@@ -28,11 +33,18 @@
public Class getClassType(String name){
return null;
}
-
+
+ /**
+ * 鍒ゆ柇澶у皬绔�
+ * @return true: 灏忕 / false: 澶х
+ */
public boolean isReverse() {
return this.getClass().getAnnotation(little.class)!=null;
}
-
+
+ /**
+ * 鑾峰彇瀛楄妭鏁扮粍
+ */
public byte[] toBytes() throws Exception {
return encode(this);
}
@@ -77,7 +89,6 @@
*
* @param dos
* @param entity
- * @throws Exception
*/
public void write(DataOutputStream dos, Struct entity) throws Exception {
if(entity==null)return;
@@ -237,6 +248,9 @@
return instance.decode(bytes);
}
+ /**
+ * 瑙ｇ爜锛� 瀛楄妭鏁扮粍 ====>> java瀵硅薄
+ */
@SuppressWarnings({ "unchecked", "rawtypes" })
public <T extends Struct> T decode(byte[] bytes) throws Exception{
this.dataBytes = bytes;
@@ -244,6 +258,7 @@
Class<? extends Struct> cls = this.getClass();
Field[] fields = cls.getFields();
if(this.decodeByteMapping==null)instance.decodeByteMapping=new HashMap();
+ // spring el琛ㄨ揪寮�
EvaluationContext context = new StandardEvaluationContext();
context.setVariable("_", bytes.length);
int bited = 0;//宸茶浣嶆暟
@@ -252,9 +267,9 @@
bit bit = field.getAnnotation(bit.class);
expr expr = field.getAnnotation(expr.class);
flag flag = field.getAnnotation(flag.class);
+ // 娌℃湁size銆乥it銆乪xpr娉ㄨВ鐨勫彉閲忎笉杩涜瑙ｆ瀽
if(size==null && bit==null && expr==null){
continue;
- //throw new RuntimeException(cls.getSimpleName()+"瀛楁"+field.getName()+"鏈爣璁癅size|@bit|@expr");
}
String name = field.getName();
Class<?> type = field.getType();
@@ -355,10 +370,12 @@
instance.unusedBytes = unusedBytes;
return (T) instance;
}
+
+ // 瀛楄妭鏁扮粍 ===>> 杞负鍗佸叚杩涘埗瀛楃涓�
public static String toHex(byte[] bytes) {
StringBuilder buf = new StringBuilder(bytes.length * 2);
for(byte b : bytes) { // 浣跨敤String鐨刦ormat鏂规硶杩涜杞崲
- buf.append(String.format("%02x", new Integer(b & 0xff)));
+ buf.append(String.format("%02x", b & 0xff));
}
return buf.toString().toUpperCase();
}
@@ -429,7 +446,6 @@
}
return bbt;
}
-
public static class TestMessage {
public @size(1) byte begin = 0x7e;//璧峰绗�
--
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