Remove JAXB dependency

ClickHouse · Nov 29, 2021 · ce528f1 · ce528f1
1 parent 66ba8d0
commit ce528f1
Showing 1 changed file with 52 additions and 22 deletions.
diff --git a/clickhouse-jdbc/src/test/java/ru/yandex/clickhouse/util/ClickHouseBlockChecksumTest.java b/clickhouse-jdbc/src/test/java/ru/yandex/clickhouse/util/ClickHouseBlockChecksumTest.java
@@ -4,50 +4,80 @@
 import org.testng.annotations.Test;
 import ru.yandex.clickhouse.response.ClickHouseLZ4Stream;
 
-import javax.xml.bind.DatatypeConverter;
-
 /**
  * @author Anton Sukhonosenko <a href="mailto:algebraic@yandex-team.ru"></a>
  * @date 08.06.18
  */
 public class ClickHouseBlockChecksumTest {
     private static final int HEADER_SIZE_BYTES = 9;
 
+    private static int hexToBin(char ch) {
+        if ('0' <= ch && ch <= '9') {
+            return ch - '0';
+        }
+        if ('A' <= ch && ch <= 'F') {
+            return ch - 'A' + 10;
+        }
+        if ('a' <= ch && ch <= 'f') {
+            return ch - 'a' + 10;
+        }
+        return -1;
+    }
+
+    private static byte[] parseHexBinary(String s) {
+        final int len = s.length();
+
+        // "111" is not a valid hex encoding.
+        if (len % 2 != 0) {
+            throw new IllegalArgumentException("hexBinary needs to be even-length: " + s);
+        }
+
+        byte[] out = new byte[len / 2];
+
+        for (int i = 0; i < len; i += 2) {
+            int h = hexToBin(s.charAt(i));
+            int l = hexToBin(s.charAt(i + 1));
+            if (h == -1 || l == -1) {
+                throw new IllegalArgumentException("contains illegal character for hexBinary: " + s);
+            }
+
+            out[i / 2] = (byte) (h * 16 + l);
+        }
+
+        return out;
+    }
+
     @Test(groups = "unit")
     public void trickyBlock() {
-        byte[] compressedData = DatatypeConverter.parseHexBinary("1F000100078078000000B4000000");
+        byte[] compressedData = parseHexBinary("1F000100078078000000B4000000");
         int uncompressedSizeBytes = 35;
 
         ClickHouseBlockChecksum checksum = ClickHouseBlockChecksum.calculateForBlock(
-            (byte) ClickHouseLZ4Stream.MAGIC,
-            compressedData.length + HEADER_SIZE_BYTES,
-            uncompressedSizeBytes,
-            compressedData,
-            compressedData.length
-        );
+                (byte) ClickHouseLZ4Stream.MAGIC,
+                compressedData.length + HEADER_SIZE_BYTES,
+                uncompressedSizeBytes,
+                compressedData,
+                compressedData.length);
 
         Assert.assertEquals(
-            new ClickHouseBlockChecksum(-493639813825217902L, -6253550521065361778L),
-            checksum
-        );
+                new ClickHouseBlockChecksum(-493639813825217902L, -6253550521065361778L),
+                checksum);
     }
 
     @Test(groups = "unit")
     public void anotherTrickyBlock() {
-        byte[] compressedData = DatatypeConverter.parseHexBinary("80D9CEF753E3A59B3F");
+        byte[] compressedData = parseHexBinary("80D9CEF753E3A59B3F");
         int uncompressedSizeBytes = 8;
 
         ClickHouseBlockChecksum checksum = ClickHouseBlockChecksum.calculateForBlock(
-            (byte) ClickHouseLZ4Stream.MAGIC,
-            compressedData.length + HEADER_SIZE_BYTES,
-            uncompressedSizeBytes,
-            compressedData,
-            compressedData.length
-        );
+                (byte) ClickHouseLZ4Stream.MAGIC,
+                compressedData.length + HEADER_SIZE_BYTES,
+                uncompressedSizeBytes,
+                compressedData,
+                compressedData.length);
 
         Assert.assertEquals(
-            new ClickHouseBlockChecksum(-7135037831041210418L, -8214889029657590490L),
-            checksum
-        );
+                new ClickHouseBlockChecksum(-7135037831041210418L, -8214889029657590490L),
+                checksum);
     }
 }