Upgrade to JDK 17

.github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
       - name: Set up Maven Central Repository
         uses: actions/setup-java@v4
         with:
-          java-version: 8
+          java-version: 17
           distribution: "adopt"
       - uses: s4u/maven-settings-action@v3.0.0
         with:
@@ -58,7 +58,7 @@ jobs:
                 "password": "${{ secrets.GH_PACKAGES_PASSWORD }}"
             }]
       - name: Test
-        run: mvn package -DskipTests
+        run: mvn package
   test-sonar-package:
     name: Run Trevas tests with coverage & sonar checks
     # Trevas main repo commit branch or merged PR

README.md

@@ -28,7 +28,7 @@ If you want to contribute, see this [guide](docs/CONTRIBUTING.md).
 
 ## Requirements
 
-Open JDK 8+ is required.
+Open JDK 17 + is required.
 
 ## References
 

docs/docs/introduction/index-introduction.mdx

@@ -43,6 +43,6 @@ import Video from '@theme/Video';
 
 ## Technical description
 
-Trevas provides VTL engines for different execution contexts, in particular a Java 11 engine and an [Apache Spark](https://spark.apache.org/) engine.
+Trevas provides VTL engines for different execution contexts, in particular a Java 17 engine and an [Apache Spark](https://spark.apache.org/) engine.
 
 Trevas engines are based on the [JSR 223](https://jcp.org/en/jsr/detail?id=223) specification (Scripting for the Java Platform), which describes the use of scripting languages in Java.

docs/i18n/fr/docusaurus-plugin-content-docs/current/introduction/index-introduction.mdx

@@ -43,6 +43,6 @@ import Video from '@theme/Video';
 
 ## Description technique
 
-Trevas fournit des moteurs VTL pour différents environnemens d'exécution, notamment un moteur Java 11 et un moteur [Apache Spark](https://spark.apache.org/).
+Trevas fournit des moteurs VTL pour différents environnemens d'exécution, notamment un moteur Java 17 et un moteur [Apache Spark](https://spark.apache.org/).
 
 Les moteurs Trevas se basent sur la spécification [JSR 223](https://jcp.org/en/jsr/detail?id=223) qui décrit l'utilisation de langages de scripts en Java.

docs/i18n/no/docusaurus-plugin-content-docs/current/introduction/index-introduction.mdx

@@ -43,6 +43,6 @@ import Video from '@theme/Video';
 
 ## Teknisk beskrivelse
 
-Trevas leverer VTL-motorer for ulike driftsmiljøer, inkludert en Java 11-motor og en [Apache Spark](https://spark.apache.org/) motor.
+Trevas leverer VTL-motorer for ulike driftsmiljøer, inkludert en Java 17-motor og en [Apache Spark](https://spark.apache.org/) motor.
 
 Trevas-motorer er basert på [JSR 223](https://jcp.org/en/jsr/detail?id=223) spesifikasjonen som beskriver bruken av skriptspråk i Java.

pom.xml

@@ -69,12 +69,14 @@
     </distributionManagement>
 
     <properties>
-        <jdk.version>1.8</jdk.version>
+        <jdk.version>17</jdk.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <jacoco.version>0.8.7</jacoco.version>
+        <jacoco.version>0.8.13</jacoco.version>
         <sonar.coverage.jacoco.xmlReportPaths>
             ${project.basedir}/coverage/target/site/jacoco-aggregate/jacoco.xml
         </sonar.coverage.jacoco.xmlReportPaths>
+        <maven.compiler.source>${jdk.version}</maven.compiler.source>
+        <maven.compiler.target>${jdk.version}</maven.compiler.target>
     </properties>
 
     <dependencies>
@@ -110,7 +112,7 @@
                         <configuration>
                             <rules>
                                 <requireJavaVersion>
-                                    <version>1.8</version>
+                                    <version>17.0.0</version>
                                 </requireJavaVersion>
                                 <requireMavenVersion>
                                     <version>3.3.9</version>
@@ -171,16 +173,20 @@
                 <artifactId>sonar-maven-plugin</artifactId>
                 <version>3.9.1.2184</version>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
         </plugins>
         <pluginManagement>
             <plugins>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.13.0</version>
+                    <version>3.14.0</version>
                     <configuration>
-                        <target>${jdk.version}</target>
-                        <source>${jdk.version}</source>
+                        <release>${jdk.version}</release>
+                        <testRelease>${jdk.version}</testRelease>
                     </configuration>
                 </plugin>
             </plugins>
@@ -220,7 +226,7 @@
                         <artifactId>maven-javadoc-plugin</artifactId>
                         <version>3.8.0</version>
                         <configuration>
-                            <source>8</source>
+                            <source>${jdk.version}</source>
                             <detectJavaApiLink>false</detectJavaApiLink>
                             <doclint>none</doclint>
                         </configuration>
@@ -280,7 +286,7 @@
                         <artifactId>maven-javadoc-plugin</artifactId>
                         <version>3.7.0</version>
                         <configuration>
-                            <source>8</source>
+                            <source>${jdk.version}</source>
                             <detectJavaApiLink>false</detectJavaApiLink>
                             <doclint>none</doclint>
                         </configuration>

vtl-csv/src/main/java/fr/insee/vtl/csv/CSVDataset.java

@@ -1,7 +1,6 @@
 package fr.insee.vtl.csv;
 
 import fr.insee.vtl.model.Dataset;
-import fr.insee.vtl.model.utils.Java8Helpers;
 import org.supercsv.cellprocessor.Optional;
 import org.supercsv.cellprocessor.ParseBool;
 import org.supercsv.cellprocessor.ParseDouble;
@@ -27,8 +26,8 @@ public class CSVDataset implements Dataset {
     public CSVDataset(DataStructure structure, Reader csv) throws IOException {
         this.structure = structure;
         this.csvReader = new CsvMapReader(csv, CsvPreference.EXCEL_NORTH_EUROPE_PREFERENCE);
-        String[] columns = this.csvReader.getHeader(true);
-        if (!this.structure.keySet().containsAll(Java8Helpers.listOf(columns))) {
+        var columns = this.csvReader.getHeader(true);
+        if (!this.structure.keySet().containsAll(List.of(columns))) {
             throw new RuntimeException("missing columns in CSV");
         }
     }
@@ -69,8 +68,8 @@ public List<DataPoint> getDataPoints() {
         if (this.data == null) {
             this.data = new ArrayList<>();
             try {
-                String[] header = getNameMapping();
-                CellProcessor[] processors = getProcessors();
+                var header = getNameMapping();
+                var processors = getProcessors();
                 Map<String, Object> datum;
                 while ((datum = this.csvReader.read(header, processors)) != null) {
                     this.data.add(new DataPoint(this.structure, datum));

vtl-engine/pom.xml

@@ -44,16 +44,10 @@
             <artifactId>commons-text</artifactId>
             <version>1.10.0</version>
         </dependency>
-        <!-- Because of safety mirror -->
         <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>1.18.34</version>
-        </dependency>
-        <dependency>
-            <groupId>org.jetbrains</groupId>
-            <artifactId>annotations</artifactId>
-            <version>20.1.0</version>
+            <groupId>com.github.hervian</groupId>
+            <artifactId>safety-mirror</artifactId>
+            <version>4.0.1</version>
         </dependency>
     </dependencies>
     <build>
@@ -77,21 +71,6 @@
                     </execution>
                 </executions>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <source>8</source>
-                    <target>8</target>
-                    <annotationProcessorPaths>
-                        <path>
-                            <groupId>org.projectlombok</groupId>
-                            <artifactId>lombok</artifactId>
-                            <version>1.18.34</version>
-                        </path>
-                    </annotationProcessorPaths>
-                </configuration>
-            </plugin>
         </plugins>
     </build>
 

vtl-engine/src/main/java/fr/insee/vtl/engine/TemporalFunctions.java

@@ -1,10 +1,14 @@
 package fr.insee.vtl.engine;
 
+import fr.insee.vtl.engine.exceptions.VtlRuntimeException;
+import fr.insee.vtl.model.exceptions.VtlScriptException;
 import org.threeten.extra.Interval;
 import org.threeten.extra.PeriodDuration;
 
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
 import java.time.*;
-import java.time.temporal.ChronoUnit;
+import java.time.temporal.*;
 
 /**
  * This comment explains the temporal functionality supported by Trevas, as defined in the VTL 2.0 specification.
@@ -184,19 +188,19 @@ public static PeriodDuration period_indicator(Interval timePeriod) {
     public static Interval timeshift(Interval time, Long n) {
         OffsetDateTime from = time.getStart().atOffset(ZoneOffset.UTC);
         OffsetDateTime to = time.getEnd().atOffset(ZoneOffset.UTC);
-        PeriodDuration dur = PeriodDuration.between(from, to)
+        var dur = PeriodDuration.between(from, to)
                 .multipliedBy(n.intValue());
         return Interval.of(from.plus(dur.getPeriod()).toInstant(), to.plus(dur.getPeriod()).toInstant());
     }
 
     public static ZonedDateTime at_zone(Instant op, String zone) {
-        ZoneId zid = ZoneId.of(zone);
+        var zid = ZoneId.of(zone);
         return op.atZone(zid);
     }
 
 
     private static Interval truncate_time(Interval op, ChronoUnit unit, ZoneId zone) {
-        Instant start = truncate_time(op.getStart(), unit, zone);
+        var start = truncate_time(op.getStart(), unit, zone);
         return Interval.of(start, unit.getDuration());
     }
 
@@ -209,25 +213,18 @@ public static Interval truncate_time(Interval op, String unit) {
     }
 
     private static Instant truncate_time(Instant op, ChronoUnit unit, ZoneId zone) {
-        ZonedDateTime zonedOp = op.atZone(zone);
-        switch (unit) {
-            case DAYS:
-                return zonedOp.truncatedTo(ChronoUnit.DAYS).toInstant();
-            case MONTHS:
-                return zonedOp.withDayOfMonth(1)
-                        .truncatedTo(ChronoUnit.DAYS).toInstant();
-            case YEARS:
-                return zonedOp.withDayOfYear(1)
-                        .truncatedTo(ChronoUnit.DAYS).toInstant();
-            case HOURS:
-                return zonedOp.truncatedTo(ChronoUnit.HOURS).toInstant();
-            case MINUTES:
-                return zonedOp.truncatedTo(ChronoUnit.MINUTES).toInstant();
-            case SECONDS:
-                return zonedOp.truncatedTo(ChronoUnit.SECONDS).toInstant();
-            default:
-                throw new IllegalArgumentException("Unsupported unit: " + unit);
-        }
+        var zonedOp = op.atZone(zone);
+        return switch (unit) {
+            case DAYS -> zonedOp.truncatedTo(ChronoUnit.DAYS).toInstant();
+            case MONTHS -> zonedOp.withDayOfMonth(1)
+                    .truncatedTo(ChronoUnit.DAYS).toInstant();
+            case YEARS -> zonedOp.withDayOfYear(1)
+                    .truncatedTo(ChronoUnit.DAYS).toInstant();
+            case HOURS -> zonedOp.truncatedTo(ChronoUnit.HOURS).toInstant();
+            case MINUTES -> zonedOp.truncatedTo(ChronoUnit.MINUTES).toInstant();
+            case SECONDS -> zonedOp.truncatedTo(ChronoUnit.SECONDS).toInstant();
+            default -> throw new IllegalArgumentException("Unsupported unit: " + unit);
+        };
     }
 
     public static Instant truncate_time(Instant op, String unit, String zone) {
@@ -244,26 +241,19 @@ public static ZonedDateTime truncate_time(ZonedDateTime op, String unit) {
     }
 
     public static OffsetDateTime truncate_time(OffsetDateTime op, String unit) {
-        ZonedDateTime zoned = op.toZonedDateTime();
+        var zoned = op.toZonedDateTime();
         return truncate_time(zoned.toInstant(), toChronoUnit(unit), zoned.getZone()).atOffset(op.getOffset());
     }
 
     private static ChronoUnit toChronoUnit(String unit) {
-        switch (unit.toLowerCase()) {
-            case "day":
-                return ChronoUnit.DAYS;
-            case "month":
-                return ChronoUnit.MONTHS;
-            case "year":
-                return ChronoUnit.YEARS;
-            case "hour":
-                return ChronoUnit.HOURS;
-            case "minute":
-                return ChronoUnit.MINUTES;
-            case "second":
-                return ChronoUnit.SECONDS;
-            default:
-                throw new IllegalArgumentException("Unsupported unit: " + unit);
-        }
+        return switch (unit.toLowerCase()) {
+            case "day" -> ChronoUnit.DAYS;
+            case "month" -> ChronoUnit.MONTHS;
+            case "year" -> ChronoUnit.YEARS;
+            case "hour" -> ChronoUnit.HOURS;
+            case "minute" -> ChronoUnit.MINUTES;
+            case "second" -> ChronoUnit.SECONDS;
+            default -> throw new IllegalArgumentException("Unsupported unit: " + unit);
+        };
     }
 }

vtl-engine/src/main/java/fr/insee/vtl/engine/VtlNativeMethods.java

@@ -1,24 +1,22 @@
 package fr.insee.vtl.engine;
 
-import fr.insee.vtl.engine.utils.safetymirror.Fun;
+import com.github.hervian.reflection.Fun;
 import fr.insee.vtl.engine.visitors.expression.*;
 import fr.insee.vtl.engine.visitors.expression.functions.ComparisonFunctionsVisitor;
 import fr.insee.vtl.engine.visitors.expression.functions.DistanceFunctionsVisitor;
 import fr.insee.vtl.engine.visitors.expression.functions.NumericFunctionsVisitor;
 import fr.insee.vtl.engine.visitors.expression.functions.StringFunctionsVisitor;
-import fr.insee.vtl.model.utils.Java8Helpers;
 import org.threeten.extra.Interval;
 import org.threeten.extra.PeriodDuration;
 
 import java.lang.reflect.Method;
-import java.time.Instant;
-import java.time.OffsetDateTime;
-import java.time.ZonedDateTime;
+import java.time.*;
+import java.time.temporal.ChronoUnit;
 import java.util.Set;
 
 public class VtlNativeMethods {
 
-    public static final Set<Method> NATIVE_METHODS = Java8Helpers.setOf(
+    public static final Set<Method> NATIVE_METHODS = Set.of(
             // NumericFunctionsVisitor
             Fun.toMethod(NumericFunctionsVisitor::ceil),
             Fun.toMethod(NumericFunctionsVisitor::floor),