[SPARK-11565] Replace deprecated DigestUtils.shaHex call

Author: Gábor Lipták <gliptak@gmail.com>

Closes #9532 from gliptak/SPARK-11565.

sql/catalyst/pom.xml

@@ -75,6 +75,10 @@
       <groupId>org.antlr</groupId>
       <artifactId>antlr-runtime</artifactId>
     </dependency>
+    <dependency>
+      <groupId>commons-codec</groupId>
+      <artifactId>commons-codec</artifactId>
+    </dependency>
   </dependencies>
   <build>
     <outputDirectory>target/scala-${scala.binary.version}/classes</outputDirectory>

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/misc.scala

@@ -143,11 +143,11 @@ case class Sha1(child: Expression) extends UnaryExpression with ImplicitCastInpu
   override def inputTypes: Seq[DataType] = Seq(BinaryType)
 
   protected override def nullSafeEval(input: Any): Any =
-    UTF8String.fromString(DigestUtils.shaHex(input.asInstanceOf[Array[Byte]]))
+    UTF8String.fromString(DigestUtils.sha1Hex(input.asInstanceOf[Array[Byte]]))
 
   override def genCode(ctx: CodegenContext, ev: ExprCode): String = {
     defineCodeGen(ctx, ev, c =>
-      s"UTF8String.fromString(org.apache.commons.codec.digest.DigestUtils.shaHex($c))"
+      s"UTF8String.fromString(org.apache.commons.codec.digest.DigestUtils.sha1Hex($c))"
     )
   }
 }