Remove all env related logic from factory

Defers all environment related decisions to factory initialization
All behavior is customizable through DI, but all deps are initialized to proper default instances
Removes static factory configuration

src/Codec/StringCodec.php

@@ -8,15 +8,16 @@ use Rhumsaa\Uuid\UuidInterface;
 use Rhumsaa\Uuid\Uuid;
 use Rhumsaa\Uuid\BigNumberConverter;
 use Rhumsaa\Uuid\UuidFactory;
+use Rhumsaa\Uuid\UuidBuilder;
 
 class StringCodec implements Codec
 {
 
-    private $factory;
+    private $builder;
 
-    public function __construct(UuidFactory $factory)
+    public function __construct(UuidBuilder $builder)
     {
-        $this->factory = $factory;
+        $this->builder = $builder;
     }
 
     public function encode(UuidInterface $uuid)
@@ -40,7 +41,7 @@ class StringCodec implements Codec
         return $bytes;
     }
 
-    public function decode(BigNumberConverter $converter, $encodedUuid)
+    public function decode($encodedUuid)
     {
         $nameParsed = str_replace(array(
             'urn:',
@@ -76,10 +77,10 @@ class StringCodec implements Codec
             'node' => sprintf('%012s', $components[4])
         );
 
-        return $this->factory->uuid($fields, $this);
+        return $this->builder->build($this, $fields);
     }
 
-    public function decodeBytes(BigNumberConverter $converter, $bytes)
+    public function decodeBytes($bytes)
     {
         if (strlen($bytes) !== 16) {
             throw new InvalidArgumentException('$bytes string should contain 16 characters.');
@@ -87,6 +88,6 @@ class StringCodec implements Codec
 
         $hexUuid = unpack('H*', $bytes);
 
-        return $this->decode($converter, $hexUuid[1]);
+        return $this->decode($hexUuid[1]);
     }
 }