fixed integral nodes handling of {byte,short,int,long}Value()

Author: autermann

src/main/java/com/github/autermann/yaml/nodes/YamlByteNode.java

@@ -60,21 +60,6 @@ public byte byteValue() {
         return this.value;
     }
 
-    @Override
-    public long longValue() {
-        return (long) this.value;
-    }
-
-    @Override
-    public int intValue() {
-        return (int) this.value;
-    }
-
-    @Override
-    public short shortValue() {
-        return (short) this.value;
-    }
-
     @Override
     public Byte value() {
         return this.value;

src/main/java/com/github/autermann/yaml/nodes/YamlIntegerNode.java

@@ -62,16 +62,6 @@ public int intValue() {
         return this.value;
     }
 
-    @Override
-    public byte byteValue() {
-        return (byte) this.value;
-    }
-
-    @Override
-    public short shortValue() {
-        return (short) this.value;
-    }
-
     @Override
     public Integer value() {
         return value;

src/main/java/com/github/autermann/yaml/nodes/YamlIntegralNode.java

@@ -50,21 +50,41 @@ public boolean isLong() {
         return fitsIntoLong();
     }
 
+    @Override
+    public long longValue() {
+        return value().longValue();
+    }
+
     @Override
     public boolean isInt() {
         return fitsIntoInt();
     }
 
+    @Override
+    public int intValue() {
+        return value().intValue();
+    }
+
     @Override
     public boolean isShort() {
         return fitsIntoShort();
     }
 
+    @Override
+    public short shortValue() {
+        return value().shortValue();
+    }
+
     @Override
     public boolean isByte() {
         return fitsIntoByte();
     }
 
+    @Override
+    public byte byteValue() {
+        return value().byteValue();
+    }
+
     @Override
     public BigInteger bigIntegerValue() {
         return BigInteger.valueOf(numberValue().longValue());

src/main/java/com/github/autermann/yaml/nodes/YamlLongNode.java

@@ -58,11 +58,6 @@ public boolean fitsIntoShort() {
         return Numbers.fitsIntoShort(value);
     }
 
-    @Override
-    public long longValue() {
-        return this.value;
-    }
-
     @Override
     public Long value() {
         return this.value;

src/main/java/com/github/autermann/yaml/nodes/YamlShortNode.java

@@ -69,11 +69,6 @@ public short shortValue() {
         return this.value;
     }
 
-    @Override
-    public byte byteValue() {
-        return (byte) this.value;
-    }
-
     @Override
     public Short value() {
         return this.value;