move validation to object creation

Author: jdvega

.gitignore

@@ -4,4 +4,4 @@
 target/
 .idea/
 *.iml
-*.asc 
+*.asc

src/main/java/com/idealista/fpe/FormatPreservingEncryption.java

@@ -3,7 +3,7 @@
 import static com.idealista.fpe.FormatPreservingEncryptionErrorMessage.*;
 
 import com.idealista.fpe.algorithm.Cipher;
-import com.idealista.fpe.builder.AlgorithmInput;
+import com.idealista.fpe.builder.validate.BuildValidator;
 import com.idealista.fpe.component.functions.prf.PseudoRandomFunction;
 import com.idealista.fpe.config.Domain;
 import com.idealista.fpe.config.LengthRange;
@@ -15,11 +15,12 @@ public class FormatPreservingEncryption {
     private final PseudoRandomFunction selectedPRF;
     private final LengthRange lengthRange;
 
-    public FormatPreservingEncryption(AlgorithmInput algorithmInput) {
-        this.cipher = algorithmInput.getCipher();
-        this.selectedDomain = algorithmInput.getSelectedDomain();
-        this.selectedPRF = algorithmInput.getSelectedPRF();
-        this.lengthRange = algorithmInput.getLengthRange();
+    public FormatPreservingEncryption(Cipher cipher, Domain selectedDomain, PseudoRandomFunction selectedPRF, LengthRange lengthRange) {
+        new BuildValidator(selectedDomain.alphabet().radix(), lengthRange.min(), lengthRange.max()).validate();
+        this.cipher = cipher;
+        this.selectedDomain = selectedDomain;
+        this.selectedPRF = selectedPRF;
+        this.lengthRange = lengthRange;
     }
 
     public String encrypt(String plainText, byte[] tweak) {

src/main/java/com/idealista/fpe/builder/AlgorithmInput.java

@@ -103,8 +103,7 @@ private TheBuilder(Cipher cipher, Domain selectedDomain, PseudoRandomFunction se
 
         @Override
         public FormatPreservingEncryption build() {
-            new BuildValidator(selectedDomain.alphabet().radix(), lengthRange.min(), lengthRange.max()).validate();
-            return new FormatPreservingEncryption(new AlgorithmInput(cipher, selectedDomain, selectedPRF, lengthRange));
+            return new FormatPreservingEncryption(cipher, selectedDomain, selectedPRF, lengthRange);
         }
     }
 }