From 336cbdc97f3c7055ebdf858141bfc160fd4d412b Mon Sep 17 00:00:00 2001
From: Mikolaj Izdebski <mizdebsk@redhat.com>
Date: Fri, 8 Dec 2017 18:00:54 +0100
Subject: [PATCH] Don't use JAXB for converting bytes to hex string

---
 .../java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java   | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/xmvn-core/src/main/java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java b/xmvn-core/src/main/java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java
index 1d6c193b..0902aa88 100644
--- a/xmvn-core/src/main/java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java
+++ b/xmvn-core/src/main/java/org/fedoraproject/xmvn/resolver/impl/CacheManager.java
@@ -16,14 +16,13 @@
 package org.fedoraproject.xmvn.resolver.impl;
 
 import java.io.IOException;
+import java.math.BigInteger;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 
-import javax.xml.bind.annotation.adapters.HexBinaryAdapter;
-
 /**
  * @author Mikolaj Izdebski
  */
@@ -31,8 +30,6 @@ class CacheManager
 {
     private static final String DIGEST_ALGORITHM = "SHA-1";
 
-    private final HexBinaryAdapter hexAdapter;
-
     private final MessageDigest digest;
 
     private static volatile Path cacheHome;
@@ -41,7 +38,6 @@ class CacheManager
     {
         try
         {
-            hexAdapter = new HexBinaryAdapter();
             digest = MessageDigest.getInstance( DIGEST_ALGORITHM );
         }
         catch ( NoSuchAlgorithmException e )
@@ -53,7 +49,7 @@ class CacheManager
     private String hash( Path path )
         throws IOException
     {
-        return hexAdapter.marshal( digest.digest( Files.readAllBytes( path ) ) );
+        return new BigInteger( 1, digest.digest( Files.readAllBytes( path ) ) ).setBit( 160 ).toString( 16 ).substring( 1 ).toUpperCase();
     }
 
     private static Path getPathDefault( String key, Object defaultValue )
-- 
2.14.3