Use Java 17

java/.mvn/jvm.config

@@ -0,0 +1,10 @@
+--add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.main=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.model=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.processing=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED
+--add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED
+--add-opens jdk.compiler/com.sun.tools.javac.code=ALL-UNNAMED
+--add-opens jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED

java/pom.xml

@@ -5,11 +5,11 @@
     <parent>
         <groupId>io.cucumber</groupId>
         <artifactId>cucumber-parent</artifactId>
-        <version>4.5.0</version>
+        <version>5.0.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>testng-xml-formatter</artifactId>
-    <version>0.7.1-SNAPSHOT</version>
+    <version>0.8.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>TestNG XML Formatter</name>
     <description>Renders Cucumber Messages as TestNG XML</description>
@@ -59,12 +59,12 @@
         <dependency>
             <groupId>io.cucumber</groupId>
             <artifactId>messages</artifactId>
-            <version>[29.0.1,31.0.0)</version>
+            <version>[32.0.0-SNAPSHOT,33.0.0)</version>
         </dependency>
         <dependency>
             <groupId>io.cucumber</groupId>
             <artifactId>query</artifactId>
-            <version>[14.0.1,15.0.0)</version>
+            <version>[15.0.0-SNAPSHOT,16.0.0)</version>
         </dependency>
 
         <dependency>
@@ -85,13 +85,6 @@
             <scope>test</scope>
         </dependency>
 
-        <dependency>
-            <groupId>org.hamcrest</groupId>
-            <artifactId>hamcrest</artifactId>
-            <version>3.0</version>
-            <scope>test</scope>
-        </dependency>
-
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
@@ -111,4 +104,22 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-checkstyle-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>validate</id>
+                        <phase>validate</phase>
+                        <goals>
+                            <goal>check</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 </project>

java/src/main/java/io/cucumber/testngxmlformatter/EscapingXmlStreamWriter.java

@@ -20,6 +20,7 @@ public void close() throws XMLStreamException {
         writer.close();
     }
 
+    @SuppressWarnings("SameParameterValue")
     void writeStartDocument(String encoding, String version) throws XMLStreamException {
         writer.writeStartDocument(encoding, version);
     }
@@ -56,7 +57,7 @@ void writeAttribute(String localName, String value) throws XMLStreamException {
 
     void writeCData(String data) throws XMLStreamException {
         // https://stackoverflow.com/questions/223652/is-there-a-way-to-escape-a-cdata-end-token-in-xml
-        for (String part : CDATA_TERMINATOR_SPLIT.split(data)) {
+        for (String part : CDATA_TERMINATOR_SPLIT.split(data, -1)) {
             // see https://www.w3.org/TR/xml/#dt-cdsection
             writer.writeCData(escapeIllegalChars(part));
         }
@@ -88,6 +89,7 @@ private static String escapeIllegalChars(String value) {
         return escaped.toString();
     }
 
+    @SuppressWarnings("UnnecessaryParentheses")
     private static boolean isLegal(int codePoint) {
         // see https://www.w3.org/TR/xml/#charsets
         return codePoint == 0x9

java/src/main/java/io/cucumber/testngxmlformatter/XmlReportData.java

@@ -41,7 +41,7 @@
 class XmlReportData {
 
     private static final io.cucumber.messages.types.Duration ZERO_DURATION =
-            new io.cucumber.messages.types.Duration(0L, 0L);
+            new io.cucumber.messages.types.Duration(0L, 0);
     // By definition, but see https://github.com/cucumber/gherkin/issues/11
     private static final TestStepResult SCENARIO_WITH_NO_STEPS = new TestStepResult(ZERO_DURATION, null, PASSED, null);
     private final Repository repository = Repository.builder()

java/src/main/java/io/cucumber/testngxmlformatter/XmlReportWriter.java

@@ -50,8 +50,8 @@ private void writeTestngResultsAttributes(EscapingXmlStreamWriter writer) throws
         Map<TestStepResultStatus, Long> counts = data.getTestCaseStatusCounts();
 
         writer.writeAttribute("failed", String.valueOf(countFailures(counts)));
-        writer.writeAttribute("passed", counts.get(PASSED).toString());
-        writer.writeAttribute("skipped", counts.get(SKIPPED).toString());
+        writer.writeAttribute("passed", String.valueOf(counts.get(PASSED)));
+        writer.writeAttribute("skipped", String.valueOf(counts.get(SKIPPED)));
         writer.writeAttribute("total", String.valueOf(data.getTestCaseCount()));
     }
 
@@ -142,14 +142,11 @@ private void writeTestMethodAttributes(EscapingXmlStreamWriter writer, TestCaseS
     }
 
     private String writeStatus(TestStepResult status) {
-        switch (status.getStatus()) {
-            case PASSED:
-                return "PASS";
-            case SKIPPED:
-                return "SKIP";
-            default:
-                return "FAIL";
-        }
+        return switch (status.getStatus()) {
+            case PASSED -> "PASS";
+            case SKIPPED -> "SKIP";
+            default -> "FAIL";
+        };
     }
 
     private void writeException(EscapingXmlStreamWriter writer, TestCaseStarted testCaseStarted, TestStepResult result) throws XMLStreamException {
@@ -216,9 +213,7 @@ private String createStepResultList(List<Entry<String, String>> results) {
             String status = r.getValue();
             sb.append(stepText);
             sb.append(".");
-            for (int i = 75 - stepText.length(); i > 0; i--) {
-                sb.append(".");
-            }
+            sb.append(".".repeat(Math.max(0, 75 - stepText.length())));
             sb.append(status);
             sb.append("\n");
         });

java/src/main/java/io/cucumber/testngxmlformatter/package-info.java

@@ -0,0 +1,4 @@
+@NullMarked
+package io.cucumber.testngxmlformatter;
+
+import org.jspecify.annotations.NullMarked;

java/src/test/java/io/cucumber/testngxmlformatter/EscapingXmlStreamWriterTest.java

@@ -64,7 +64,7 @@ void shouldEscapeCDataElement() throws XMLStreamException {
     }
 
     private static String asString(ByteArrayOutputStream out) {
-        String s = new String(out.toByteArray(), UTF_8);
+        String s = out.toString(UTF_8);
         return removeXmlHeader(s);
     }
 

java/src/test/java/io/cucumber/testngxmlformatter/Jackson.java

@@ -1,7 +1,6 @@
 package io.cucumber.testngxmlformatter;
 
 import com.fasterxml.jackson.annotation.JsonCreator.Mode;
-import com.fasterxml.jackson.annotation.JsonInclude.Include;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -11,11 +10,14 @@
 import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
 import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;
 
+import static com.fasterxml.jackson.annotation.JsonInclude.Include.NON_ABSENT;
+import static com.fasterxml.jackson.annotation.JsonInclude.Value.construct;
+
 final class Jackson {
     public static final ObjectMapper OBJECT_MAPPER = JsonMapper.builder()
             .addModule(new Jdk8Module())
             .addModule(new ParameterNamesModule(Mode.PROPERTIES))
-            .serializationInclusion(Include.NON_ABSENT)
+            .defaultPropertyInclusion(construct(NON_ABSENT, NON_ABSENT))
             .constructorDetector(ConstructorDetector.USE_PROPERTIES_BASED)
             .enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING)
             .enable(DeserializationFeature.READ_ENUMS_USING_TO_STRING)

java/src/test/java/io/cucumber/testngxmlformatter/MessagesToTestngXmlWriterAcceptanceTest.java

@@ -22,10 +22,11 @@
 import java.util.stream.Stream;
 
 import static io.cucumber.testngxmlformatter.Jackson.OBJECT_MAPPER;
+import static java.util.Objects.requireNonNull;
 import static org.xmlunit.assertj.XmlAssert.assertThat;
 
 class MessagesToTestngXmlWriterAcceptanceTest {
-    private static final NdjsonToMessageIterable.Deserializer deserializer = (json) -> OBJECT_MAPPER.readValue(json, Envelope.class);
+    private static final NdjsonToMessageIterable.Deserializer deserializer = json -> OBJECT_MAPPER.readValue(json, Envelope.class);
 
     static List<TestCase> acceptance() throws IOException {
         try (Stream<Path> paths = Files.list(Paths.get("../testdata/src"))) {
@@ -68,17 +69,16 @@ private static <T extends OutputStream> T writeTestngXmlReport(TestCase testCase
         return out;
     }
 
-    static class TestCase {
+    private static final class TestCase {
         private final Path source;
         private final Path expected;
-
         private final String name;
 
         TestCase(Path source) {
             this.source = source;
             String fileName = source.getFileName().toString();
             this.name = fileName.substring(0, fileName.lastIndexOf(".ndjson"));
-            this.expected = source.getParent().resolve(name + ".xml");
+            this.expected = requireNonNull(source.getParent()).resolve(name + ".xml");
         }
 
         @Override
@@ -88,15 +88,13 @@ public String toString() {
 
         @Override
         public boolean equals(Object o) {
-            if (this == o) return true;
-            if (o == null || getClass() != o.getClass()) return false;
-            TestCase testCase = (TestCase) o;
-            return source.equals(testCase.source);
+            if (!(o instanceof TestCase testCase)) return false;
+            return Objects.equals(source, testCase.source) && Objects.equals(expected, testCase.expected) && Objects.equals(name, testCase.name);
         }
 
         @Override
         public int hashCode() {
-            return Objects.hash(source);
+            return Objects.hash(source, expected, name);
         }
     }
 

java/src/test/java/io/cucumber/testngxmlformatter/MessagesToTestngXmlWriterTest.java

@@ -3,6 +3,7 @@
 import io.cucumber.messages.types.Envelope;
 import io.cucumber.messages.types.TestRunFinished;
 import io.cucumber.messages.types.TestRunStarted;
+import io.cucumber.messages.types.Timestamp;
 import org.junit.jupiter.api.Test;
 
 import java.io.ByteArrayOutputStream;
@@ -26,28 +27,30 @@ void it_writes_two_messages_to_xml() throws IOException {
                 Envelope.of(new TestRunStarted(toMessage(started), null)),
                 Envelope.of(new TestRunFinished(null, true, toMessage(finished), null, null)));
 
-        assertThat(html).isEqualTo("" +
-                "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
-                "<testng-results failed=\"0\" passed=\"0\" skipped=\"0\" total=\"0\">\n" +
-                "<suite name=\"Cucumber\" duration-ms=\"20000\">\n" +
-                "<test name=\"Cucumber\" duration-ms=\"20000\">\n" +
-                "</test>\n" +
-                "</suite>\n" +
-                "</testng-results>\n"
+        assertThat(html).isEqualTo("""
+                <?xml version="1.0" encoding="UTF-8"?>
+                <testng-results failed="0" passed="0" skipped="0" total="0">
+                <suite name="Cucumber" duration-ms="20000">
+                <test name="Cucumber" duration-ms="20000">
+                </test>
+                </suite>
+                </testng-results>
+                """
         );
     }
 
     @Test
     void it_writes_no_message_to_xml() throws IOException {
         String html = renderAsJunitXml();
-        assertThat(html).isEqualTo("" +
-                "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
-                "<testng-results failed=\"0\" passed=\"0\" skipped=\"0\" total=\"0\">\n" +
-                "<suite name=\"Cucumber\" duration-ms=\"0\">\n" +
-                "<test name=\"Cucumber\" duration-ms=\"0\">\n" +
-                "</test>\n" +
-                "</suite>\n" +
-                "</testng-results>\n"
+        assertThat(html).isEqualTo("""
+                <?xml version="1.0" encoding="UTF-8"?>
+                <testng-results failed="0" passed="0" skipped="0" total="0">
+                <suite name="Cucumber" duration-ms="0">
+                <test name="Cucumber" duration-ms="0">
+                </test>
+                </suite>
+                </testng-results>
+                """
         );
     }
 
@@ -56,7 +59,9 @@ void it_throws_when_writing_after_close() throws IOException {
         ByteArrayOutputStream bytes = new ByteArrayOutputStream();
         MessagesToTestngXmlWriter messagesToHtmlWriter = new MessagesToTestngXmlWriter(bytes);
         messagesToHtmlWriter.close();
-        assertThrows(IOException.class, () -> messagesToHtmlWriter.write(null));
+        assertThrows(IOException.class, () -> messagesToHtmlWriter.write(
+                Envelope.of(new TestRunStarted(new Timestamp(0L, 0), ""))
+        ));
     }
 
     @Test
@@ -92,6 +97,6 @@ private static String renderAsJunitXml(Envelope... messages) throws IOException
             }
         }
 
-        return new String(bytes.toByteArray(), UTF_8);
+        return bytes.toString(UTF_8);
     }
 }