finished component: IdentifierComponent

src/main/java/encoding/Block.java

@@ -20,6 +20,10 @@ public class Block {
     private ElementContainer elements;   // TLV-sub-elements
     private byte[] raw;                  // TLV编码后的字节数组
 
+    public Block(){
+        this.tlvType=new VlInt(TLV.TlvInvalid);
+    }
+
     /**
      * 从一个包含TLV的字节数组中构造一个 Block 对象
      * @param buffer
@@ -27,7 +31,7 @@ public class Block {
      *                     则会对比解析到的 TLV-LENGTH 与 TLV-VALUE的实际长度是否匹配
      * @return
      */
-    public Block createBlockByBuffer(byte[] buffer,boolean verifyLength){
+    public static Block createBlockByBuffer(byte[] buffer,boolean verifyLength){
         if(buffer.length==0){
             return null;
         }
@@ -57,7 +61,7 @@ public class Block {
      * @param verifyLength
      * @return
      */
-    public Block createBlockByTypeLengthBuffer(VlInt tlvType,VlInt tlvLength,byte[] buffer,boolean verifyLength){
+    public static Block createBlockByTypeLengthBuffer(VlInt tlvType,VlInt tlvLength,byte[] buffer,boolean verifyLength){
         return new Block(tlvType,tlvLength,buffer,verifyLength);
     }
 
@@ -103,14 +107,18 @@ public class Block {
     }
 
     public Block(Block block){
-
+        this.tlvType=block.tlvType;
+        this.length=block.length;
+        this.value=block.value;
+        this.elements=block.elements;
+        this.raw=block.raw;
     }
 
-    public VlInt getTlvType() {
+    public VlInt getType() {
         return tlvType;
     }
 
-    public void setTlvType(VlInt tlvType) {
+    public void setType(VlInt tlvType) {
         this.tlvType = tlvType;
     }