[COMMON] rewrite Header by java 17 record

app/src/test/java/org/astraea/app/web/RecordHandlerTest.java

@@ -588,7 +588,7 @@ void testGetResponse() {
               .topic(topic)
               .key("astraea".getBytes(UTF_8))
               .value(ByteBuffer.allocate(Integer.BYTES).putInt(100).array())
-              .headers(List.of(Header.of("a", "b".getBytes(UTF_8))))
+              .headers(List.of(new Header("a", "b".getBytes(UTF_8))))
               .timestamp(timestamp)
               .build());
       producer.flush();
@@ -641,7 +641,7 @@ void testGetJsonResponse() {
               .topic(topic)
               .key("astraea".getBytes())
               .value(ByteBuffer.allocate(Integer.BYTES).putInt(100).array())
-              .headers(List.of(Header.of("a", null)))
+              .headers(List.of(new Header("a", null)))
               .timestamp(timestamp)
               .build());
       producer.flush();

common/src/main/java/org/astraea/common/Header.java

@@ -22,31 +22,17 @@
 import java.util.stream.StreamSupport;
 import org.apache.kafka.common.header.Headers;
 
-public interface Header {
-  static List<Header> of(Headers headers) {
+public record Header(String key, byte[] value) {
+  public static List<Header> of(Headers headers) {
     var iter = headers.iterator();
     // a minor optimization to avoid create extra collection.
     if (!iter.hasNext()) return List.of();
     return StreamSupport.stream(Spliterators.spliteratorUnknownSize(iter, 0), false)
-        .map(h -> of(h.key(), h.value()))
+        .map(h -> new Header(h.key(), h.value()))
         .collect(Collectors.toUnmodifiableList());
   }
 
-  static Header of(String key, byte[] value) {
-    return new Header() {
-      @Override
-      public String key() {
-        return key;
-      }
-
-      @Override
-      public byte[] value() {
-        return value;
-      }
-    };
+  public static Header of(String key, byte[] value) {
+    return new Header(key, value);
   }
-
-  String key();
-
-  byte[] value();
 }

common/src/main/java/org/astraea/common/backup/RecordReaderBuilder.java

@@ -75,7 +75,7 @@ public String topic() {
       @Override
       public List<Header> headers() {
         return outerRecord.getHeadersList().stream()
-            .map(header -> Header.of(header.getKey(), header.getValue().toByteArray()))
+            .map(header -> new Header(header.getKey(), header.getValue().toByteArray()))
             .collect(Collectors.toUnmodifiableList());
       }
 

common/src/test/java/org/astraea/common/partitioner/PartitionerTest.java

@@ -117,7 +117,7 @@ void multipleThreadTest(String className) throws IOException {
     var key = "tainan";
     var value = "shanghai";
     var timestamp = System.currentTimeMillis() + 10;
-    var header = Header.of("a", "b".getBytes());
+    var header = new Header("a", "b".getBytes());
     try (var producer =
         Producer.builder()
             .keySerializer(Serializer.STRING)
@@ -173,7 +173,7 @@ void interdependentTest(String className) throws IOException {
     var key = "tainan";
     var value = "shanghai";
     var timestamp = System.currentTimeMillis() + 10;
-    var header = Header.of("a", "b".getBytes());
+    var header = new Header("a", "b".getBytes());
     try (var producer =
         Producer.builder()
             .keySerializer(Serializer.STRING)

common/src/test/java/org/astraea/common/producer/ProducerTest.java

@@ -53,7 +53,7 @@ void testSender() {
     var topicName = "testSender-" + System.currentTimeMillis();
     var key = "key";
     var timestamp = System.currentTimeMillis() + 10;
-    var header = Header.of("a", "b".getBytes());
+    var header = new Header("a", "b".getBytes());
     try (var producer =
         Producer.builder()
             .bootstrapServers(SERVICE.bootstrapServers())
@@ -100,7 +100,7 @@ void testTransaction() {
     var topicName = "testTransaction-" + System.currentTimeMillis();
     var key = "key";
     var timestamp = System.currentTimeMillis() + 10;
-    var header = Header.of("a", "b".getBytes());
+    var header = new Header("a", "b".getBytes());
     try (var producer =
         Producer.builder()
             .bootstrapServers(SERVICE.bootstrapServers())

connector/src/main/java/org/astraea/connector/SinkTask.java

@@ -136,7 +136,7 @@ private static List<Header> toHeaders(Headers headers) {
     var hs = new ArrayList<Header>(headers.size());
     headers
         .iterator()
-        .forEachRemaining(h -> hs.add(Header.of(h.key(), toBytes(h.schema(), h.value()))));
+        .forEachRemaining(h -> hs.add(new Header(h.key(), toBytes(h.schema(), h.value()))));
     return Collections.unmodifiableList(hs);
   }
 

connector/src/test/java/org/astraea/connector/SourceDataTest.java

@@ -158,7 +158,7 @@ protected Collection<Record<byte[], byte[]>> take() throws InterruptedException
                       .key(KEY)
                       .value(VALUE)
                       .topic(t)
-                      .headers(List.of(Header.of(HEADER_KEY, HEADER_VALUE)))
+                      .headers(List.of(new Header(HEADER_KEY, HEADER_VALUE)))
                       .build())
           .collect(Collectors.toList());
     }