error handle to all: VlIntException

src/main/java/component/SignatureInfo.java

@@ -38,7 +38,7 @@ public class SignatureInfo implements TlvComponentBase, IEncodingAble {
      * 根据 TLV Block 创建一个 SignatureInfo
      * @param block
      */
-    public SignatureInfo(Block block){
+    public SignatureInfo(Block block) throws VlIntException {
         this.buildSignatureInfoByBlock(block);
     }
 
@@ -74,7 +74,7 @@ public class SignatureInfo implements TlvComponentBase, IEncodingAble {
      * @param block
      * @return
      */
-    public boolean buildSignatureInfoByBlock(Block block){
+    public boolean buildSignatureInfoByBlock(Block block) throws VlIntException {
         return this.wireDecode(block);
     }
 
@@ -127,7 +127,7 @@ public class SignatureInfo implements TlvComponentBase, IEncodingAble {
         // 编码 TLV-TYPE
         tmplen=encoder.prependVarNumber(new VlInt(TLV.TlvSignatureInfo));
         if(tmplen<=0){
-            return 0;
+            return -1;
         }
         totalLength+=tmplen;
 
@@ -140,7 +140,7 @@ public class SignatureInfo implements TlvComponentBase, 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.TlvSignatureInfo))){
             return false;