Use blocks for if statements.

Author: Gary Gregory

src/main/java/org/apache/commons/codec/digest/MurmurHash3.java

@@ -545,8 +545,9 @@ public final void start(int hash) {
 		}
 
 		public final void add(byte[] data, int offset, int length) {
-			if (length == 0)
-				return;
+			if (length == 0) {
+                return;
+            }
 			totalLen += length;
 			if (tailLen + length < 4) {
 				System.arraycopy(data, offset, tail, tailLen, length);
@@ -595,8 +596,9 @@ public final void add(byte[] data, int offset, int length) {
 
 			int consumed = (nblocks << 2);
 			tailLen = length2 - consumed;
-			if (consumed == length2)
-				return;
+			if (consumed == length2) {
+                return;
+            }
 			System.arraycopy(data, offset + consumed, tail, 0, tailLen);
 		}
 

src/test/java/org/apache/commons/codec/digest/DigestUtilsTest.java

@@ -314,7 +314,7 @@ public void testSha512() {
              DigestUtils.sha512Hex("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" +
                        "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"));
     }
-    
+
     @Test
     public void testSha3_224() {
         assumeJava9();
@@ -325,7 +325,7 @@ public void testSha3_224() {
                 "6b4e03423667dbb73b6e15454f0eb1abd4597f9a1b078e3f5b5a6bc7",
                 DigestUtils.sha3_224Hex(""));
     }
-    
+
     @Test
     public void testSha3_256() {
         assumeJava9();
@@ -336,7 +336,7 @@ public void testSha3_256() {
                 "a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a",
                 DigestUtils.sha3_256Hex(""));
     }
-    
+
     @Test
     public void testSha3_384() {
         assumeJava9();
@@ -347,7 +347,7 @@ public void testSha3_384() {
                 "0c63a75b845e4f7d01107d852e4c2485c51a50aaaa94fc61995e71bbee983a2ac3713831264adb47fb6bd1e058d5f004",
                 DigestUtils.sha3_384Hex(""));
     }
-    
+
     @Test
     public void testSha3_512() {
         assumeJava9();
@@ -358,7 +358,7 @@ public void testSha3_512() {
                 "a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26",
                 DigestUtils.sha3_512Hex(""));
     }
-    
+
     @Test
     public void testSha256HexInputStream() throws IOException {
         assertEquals(DigestUtils.sha256Hex(testData),

src/test/java/org/apache/commons/codec/digest/MurmurHash2Test.java

@@ -84,19 +84,21 @@ public class MurmurHash2Test {
 	public void testHash32ByteArrayIntInt() {
 		for (int i = 0; i < input.length; i++) {
 			int hash = MurmurHash2.hash32(input[i], input[i].length, 0x71b4954d);
-			if (hash != results32_seed[i])
-				fail(String.format("Unexpected hash32 result for example %d: 0x%08x instead of 0x%08x", i, hash,
+			if (hash != results32_seed[i]) {
+                fail(String.format("Unexpected hash32 result for example %d: 0x%08x instead of 0x%08x", i, hash,
 						results32_seed[i]));
+            }
 		}
 	}
 
 	@Test
 	public void testHash32ByteArrayInt() {
 		for (int i = 0; i < input.length; i++) {
 			int hash = MurmurHash2.hash32(input[i], input[i].length);
-			if (hash != results32_standard[i])
-				fail(String.format("Unexpected hash32 result for example %d: 0x%08x instead of 0x%08x", i, hash,
+			if (hash != results32_standard[i]) {
+                fail(String.format("Unexpected hash32 result for example %d: 0x%08x instead of 0x%08x", i, hash,
 						results32_standard[i]));
+            }
 		}
 	}
 

src/test/java/org/apache/commons/codec/digest/MurmurHash3Test.java

@@ -34,14 +34,14 @@ public class MurmurHash3Test {
 	public void test32_String() {
 		// Arrange
 		String origin = TEST;
-		
+
 		// Act
 		int result = MurmurHash3.hash32(origin);
 
 		// Assert
 		assertEquals(-436507231, result);
 	}
-	
+
 	@Test
 	public void testHashCodeM3_64() {
 		byte[] origin =TEST.getBytes();
@@ -145,7 +145,7 @@ public void test128_Double() {
 	public void test128_String() {
 		// Arrange
 		String origin = TEST;
-		
+
 		// Act
 		long[] result = MurmurHash3.hash128(origin);
 

src/test/java/org/apache/commons/codec/net/BCodecTest.java

@@ -153,7 +153,7 @@ public void testDecodeObjects() throws Exception {
             // Exception expected, test segment passes.
         }
     }
-    
+
     @Test
     public void testBase64ImpossibleSamples() {
         BCodec codec = new BCodec();