error handle to all: EncoderException

src/main/java/component/TTL.java

@@ -22,7 +22,7 @@ public class TTL implements IEncodingAble {
     public TTL(){
     }
 
-    public TTL(Block block){
+    public TTL(Block block) throws VlIntException {
         buildTTLByBlock(block);
     }
 
@@ -31,7 +31,7 @@ public class TTL implements IEncodingAble {
      * @param block
      * @return
      */
-    public boolean buildTTLByBlock(Block block){
+    public boolean buildTTLByBlock(Block block) throws VlIntException {
         return this.wireDecode(block);
     }
 
@@ -57,26 +57,26 @@ public class TTL implements IEncodingAble {
      * @return
      */
     @Override
-    public int wireEncode(Encoder encoder) {
+    public int wireEncode(Encoder encoder) throws EncoderException {
         int totalLength=0;
         // 编码 TLV-VALUE
         int tmpLen=encoder.prependNonNegativeInteger(this.ttl);
-        if(tmpLen==0){
-            return 0;
+        if(tmpLen<=0){
+            return -1;
         }
         totalLength+=tmpLen;
 
         // 编码 TLV-LENGTH
         tmpLen=encoder.prependVarNumber(new VlInt(totalLength));
-        if(tmpLen==0){
-            return 0;
+        if(tmpLen<=0){
+            return -1;
         }
         totalLength+=tmpLen;
 
         // 编码 TLV-TYPE
         tmpLen=encoder.prependVarNumber(new VlInt(TLV.TlvTTL));
-        if(tmpLen==0){
-            return 0;
+        if(tmpLen<=0){
+            return -1;
         }
         totalLength+=tmpLen;
 
@@ -89,17 +89,17 @@ public class TTL implements IEncodingAble {
      * @return
      */
     @Override
-    public boolean wireDecode(Block block) {
+    public boolean wireDecode(Block block) throws VlIntException {
         // 检查Type是否正确
         if(!TLV.expectType(block.getType(),new VlInt(TLV.TlvTTL))){
             return false;
         }
         long value= 0;
-        try {
+//        try {
             value = TLV.readNonNegativeInteger(block.getValue(),0,block.getLength().getVlIntValue2Int());
-        } catch (VlIntException e) {
-            e.printStackTrace();
-        }
+//        } catch (VlIntException e) {
+//            e.printStackTrace();
+//        }
         if(value<0){
             return false;
         }