writting component: Identifier

src/main/java/component/Identifier.java

@@ -0,0 +1,94 @@
+package component;
+
+import encoding.Block;
+import encoding.Encoder;
+import encoding.IEncodingAble;
+
+import java.util.List;
+
+/*
+ * @Author: Wang Feng
+ * @Description: 标识一个MIN网络标识
+// 	1. 身份标识为由单个名称组件组成的平面标识
+//	2. 内容标识为一到多个名称组件组成的层级化标识
+//	3. 包格式如下：
+//		Identifier = 101 TLV-LENGTH
+//             *IdentifierComponent
+ * @Version: 1.0.0
+ * @Date: 17:34 2021/3/10
+ * @Copyright: MIN-Group；国家重大科技基础设施——未来网络北大实验室；深圳市信息论与未来网络重点实验室
+ */
+class IdentifierComponentContainer{
+    private List<IdentifierComponent> identifierComponents;
+
+}
+
+public class Identifier implements TlvComponentBase, IEncodingAble {
+    private IdentifierComponentContainer components;
+
+    /**
+     * 根据一个 TLV Block 创建一个Identifier
+     * @param block
+     */
+    public Identifier(Block block){
+        this.buildIdentifierByBlock(block);
+    }
+
+    /**
+     * 根据标识的字符串标识创建一个标识
+     * @param identifierString
+     */
+    public Identifier(String identifierString){
+        this.buildIdentifierByString(identifierString);
+    }
+
+    /**
+     * 根据components构造一个Identifier
+     * @param container
+     */
+    public Identifier(IdentifierComponentContainer container){
+        this.buildIdentifierByComponents(container);
+    }
+
+
+    /**
+     * 根据一个 TLV Block 初始化当前Identifier
+     * @param block
+     */
+    public boolean buildIdentifierByBlock(Block block){
+        // 如果不存在子 TLV， 则不可能是一个 Identifier
+        if(!block.parseSubElements()){
+            return false;
+        }
+        if(block.getSubElements().length()<1){
+            return false;
+        }
+        return this.wireDecode(block);
+    }
+
+    /**
+     * 根据标识字符串初始化当前Identifier
+     * @param identifierString
+     * @return
+     */
+    public boolean buildIdentifierByString(String  identifierString){
+        if((identifierString.length()<=0)||(!identifierString.startsWith("/"))){
+            return false;
+        }
+        String[] componentStrings=identifierString.split("/");
+        IdentifierComponentContainer identifierComponentContainer=new IdentifierComponentContainer();
+        //...
+        return true;
+    }
+
+    @Override
+    public int wireEncode(Encoder encoder) {
+
+        return 0;
+    }
+
+    @Override
+    public boolean wireDecode(Block block) {
+        return false;
+    }
+}

src/main/java/component/IdentifierComponent.java

@@ -3,6 +3,7 @@ package component;
 /*
  * @Author: Wang Feng
  * @Description: 名称组件
+ * todo: toUri()函数待完善
  * @Version: 1.0.0
  * @Date: 21:26 2021/3/9
  * @Copyright: MIN-Group；国家重大科技基础设施——未来网络北大实验室；深圳市信息论与未来网络重点实验室
@@ -102,10 +103,8 @@ public class IdentifierComponent implements TlvComponentBase, IEncodingAble {
      * @param block
      * @return
      */
-    public static IdentifierComponent createIdentifierComponentByBlock(Block block){
-        IdentifierComponent identifierComponent=new IdentifierComponent(0);
-        identifierComponent.wireDecode(block);
-        return identifierComponent;
+    public  IdentifierComponent(Block block){
+        this.wireDecode(block);
     }
 
     /**

src/test/java/others/HumanImpl.java

@@ -22,8 +22,15 @@ public class HumanImpl implements God,Animal {
 //        HumanImpl h=new HumanImpl();
 //        h.sayHi();
 //        h.makeWorld();
-        String ss="hello";
-        System.out.println(ss.length());
-        System.out.println(ss.getBytes().length);
+//        String ss="hello";
+//        System.out.println(ss.length());
+//        System.out.println(ss.getBytes().length);
+        String[] i="/1/wefree/a.avi".split("/");
+        System.out.println("-------------");
+        for (int j = 0; j < i.length; j++) {
+            System.out.println(i[j]);
+        }
+        System.out.println("-------------");
+//        System.out.println();
     }
 }