refactor: linter issue fixed

Author: haseeb-mhr

src/main/java/io/apimatic/core/security/DigestCodecFactory.java

@@ -59,7 +59,8 @@ public byte[] decode(String encoded) {
             }
             byte[] result = new byte[len / HEX_BYTE_LENGTH];
             for (int i = 0; i < len; i += HEX_BYTE_LENGTH) {
-                result[i / HEX_BYTE_LENGTH] = (byte) ((Character.digit(encoded.charAt(i), HEX_RADIX) << HEX_SHIFT)
+                result[i / HEX_BYTE_LENGTH] = (byte) (
+                        (Character.digit(encoded.charAt(i), HEX_RADIX) << HEX_SHIFT)
                         + Character.digit(encoded.charAt(i + 1), HEX_RADIX));
             }
             return result;

src/main/java/io/apimatic/core/security/HmacSignatureVerifier.java

@@ -144,15 +144,19 @@ public CompletableFuture<VerificationResult> verifyAsync(final Request request)
     private byte[] extractSignature(final String headerValue) {
         try {
             int index = signatureValueTemplate.indexOf(SIGNATURE_VALUE_PLACEHOLDER);
-            if (index < 0) { return null; }
+            if (index < 0) {
+                return null;
+            }
 
             String prefix = signatureValueTemplate.substring(0, index);
             String suffix = signatureValueTemplate.substring(
                     index + SIGNATURE_VALUE_PLACEHOLDER.length());
 
             // find prefix anywhere (case-insensitive)
             int prefixAt = indexOfIgnoreCase(headerValue, prefix, 0);
-            if (prefixAt < 0) { return null; }
+            if (prefixAt < 0) {
+                return null;
+            }
 
             int digestStart = prefixAt + prefix.length();
 
@@ -162,10 +166,14 @@ private byte[] extractSignature(final String headerValue) {
                 digestEnd = headerValue.length();
             } else {
                 digestEnd = indexOfIgnoreCase(headerValue, suffix, digestStart);
-                if (digestEnd < 0) { return null; }
+                if (digestEnd < 0) {
+                    return null;
+                }
             }
 
-            if (digestEnd < digestStart) { return null; }
+            if (digestEnd < digestStart) {
+                return null;
+            }
 
             String digest = headerValue.substring(digestStart, digestEnd).trim();
             // strip Optional Quotes
@@ -182,7 +190,7 @@ private byte[] extractSignature(final String headerValue) {
     }
 
     /**
-     * Finds the index of the first case-insensitive occurrence of {@code needle} in {@code haystack}
+     * Finds the index of the first case-insensitive {@code needle} in {@code haystack}
      * starting from {@code fromIndex}, or -1 if not found.
      *
      * @param haystack The string to search in.
@@ -195,7 +203,9 @@ private static int indexOfIgnoreCase(
             final String needle,
             final int fromIndex
     ) {
-        if (needle.isEmpty()) { return fromIndex; }
+        if (needle.isEmpty()) {
+            return fromIndex;
+        }
         int max = haystack.length() - needle.length();
         for (int i = Math.max(0, fromIndex); i <= max; i++) {
             if (haystack.regionMatches(true, i, needle, 0, needle.length())) {

src/test/java/apimatic/core/security/DigestCodecFactoryTest.java

@@ -95,7 +95,8 @@ public void testBase64DecodeInvalid() {
     @Test
     public void testBase64UrlEncodeDecode() {
         DigestCodec codec = DigestCodecFactory.base64Url();
-        byte[] input = {BASE64URL_BYTE_1, BASE64URL_BYTE_2, BASE64URL_BYTE_3, BASE64URL_BYTE_4, BASE64URL_BYTE_5};
+        byte[] input = {BASE64URL_BYTE_1, BASE64URL_BYTE_2,
+                BASE64URL_BYTE_3, BASE64URL_BYTE_4, BASE64URL_BYTE_5};
         String encoded = codec.encode(input);
         assertEquals("ChQeKDI", encoded); // without padding
         assertArrayEquals(input, codec.decode(encoded));

src/test/java/apimatic/core/security/HmacSignatureVerifierTest.java

@@ -414,7 +414,8 @@ public void verifyAsyncSuccessRequestSignatureTemplateResolverBody() throws Exce
         Map<String, String> headers = new HashMap<>();
         String signature = computeSignature(
                 SECRET_KEY,
-                "session=abc123:2025-09-17T12:34:56Z:POST:payment:{\"id\":123,\"type\":\"payment\",\"amount\":100.5}",
+                "session=abc123:2025-09-17T12:34:56Z:POST:payment" +
+                        ":{\"id\":123,\"type\":\"payment\",\"amount\":100.5}",
                 DEFAULT_ALGORITHM, codec
         );
         headers.put(SIGNATURE_HEADER, signature);
@@ -455,7 +456,8 @@ public void verifyAsyncSuccessRequestSignatureTemplateResolverHeaders() throws E
         Map<String, String> headers = new HashMap<>();
         String signature = computeSignature(
                 SECRET_KEY,
-                "session=abc123:2025-09-17T12:34:56Z:POST:x-signature-header-value:{\"id\":123,\"type\":\"payment\",\"amount\":100.5}",
+                "session=abc123:2025-09-17T12:34:56Z:POST:x-signature-header-value" +
+                        ":{\"id\":123,\"type\":\"payment\",\"amount\":100.5}",
                 DEFAULT_ALGORITHM, codec
         );
         headers.put(SIGNATURE_HEADER, signature);
@@ -470,7 +472,8 @@ public void verifyAsyncSuccessRequestSignatureTemplateResolverHeaders() throws E
             }
             String cookie = request.getHeaders().asSimpleMap().get("Cookie");
             String timestamp = request.getHeaders().asSimpleMap().get("X-Timestamp");
-            String resolvedBody = CoreHelper.resolveRequestPointer("$request.headers#/x-signature", request);
+            String resolvedBody = CoreHelper.resolveRequestPointer(
+                    "$request.headers#/x-signature", request);
 
             return String.join(
                     ":",