add error handle: ComponentException & PacketException

src/main/java/component/SignatureValue.java

@@ -27,7 +27,7 @@ public class SignatureValue implements TlvComponentBase, IEncodingAble {
      * 根据 TLV Block 创建一个 SignatureValue
      * @param block
      */
-    public SignatureValue(Block block) throws VlIntException {
+    public SignatureValue(Block block) throws ComponentException {
         this.buildSignatureValueByBlock(block);
     }
 
@@ -47,7 +47,7 @@ public class SignatureValue implements TlvComponentBase, IEncodingAble {
      * @param block
      * @return
      */
-    public boolean buildSignatureValueByBlock(Block block) throws VlIntException {
+    public boolean buildSignatureValueByBlock(Block block) throws ComponentException {
         return this.wireDecode(block);
     }
 
@@ -65,24 +65,37 @@ public class SignatureValue implements TlvComponentBase, IEncodingAble {
      * @return
      */
     @Override
-    public int wireEncode(Encoder encoder) throws EncoderException {
+    public int wireEncode(Encoder encoder) throws ComponentException {
         int totalLength=0;
         // 编码 TLV-VALUE
-        int tmplen=encoder.prependByteArray(this.value,new SizeT(this.value.length));
+        int tmplen= 0;
+        try {
+            tmplen = encoder.prependByteArray(this.value,new SizeT(this.value.length));
+        } catch (EncoderException e) {
+            throw new ComponentException("SignatureValue.wireEncode: "+e.getMessage());
+        }
         if(tmplen<=0){
             return -1;
         }
         totalLength+=tmplen;
 
         // 编码 TLV-LENGTH
-        tmplen=encoder.prependVarNumber(new VlInt(totalLength));
+        try {
+            tmplen=encoder.prependVarNumber(new VlInt(totalLength));
+        } catch (EncoderException e) {
+            throw new ComponentException("SignatureValue.wireEncode: "+e.getMessage());
+        }
         if(tmplen<=0){
             return -1;
         }
         totalLength+=tmplen;
 
         // 编码 TLV-TYPE
-        tmplen=encoder.prependVarNumber(new VlInt(TLV.TlvSignatureValue));
+        try {
+            tmplen=encoder.prependVarNumber(new VlInt(TLV.TlvSignatureValue));
+        } catch (EncoderException e) {
+            throw new ComponentException("SignatureValue.wireEncode: "+e.getMessage());
+        }
         if(tmplen<=0){
             return -1;
         }
@@ -97,18 +110,18 @@ public class SignatureValue implements TlvComponentBase, IEncodingAble {
      * @return
      */
     @Override
-    public boolean wireDecode(Block block) throws VlIntException {
+    public boolean wireDecode(Block block) throws ComponentException {
         // 检查 Type 是否正确
         if(!TLV.expectType(block.getType(),new VlInt(TLV.TlvSignatureValue))){
             return false;
         }
 
         int len= 0;
-//        try {
+        try {
             len = block.getLength().getVlIntValue2Int();
-//        } catch (VlIntException e) {
-//            e.printStackTrace();
-//        }
+        } catch (VlIntException e) {
+            throw new ComponentException("SignatureValue.wireDecode: "+e.getMessage());
+        }
         this.value=new byte[len];
         System.arraycopy(block.getValue(),0,this.value,0,len);
         return true;