support for conversion from java.util.Date to LocalDate/LocalDateTime

Author: fugerit79

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- support for conversion from java.util.Date to LocalDate/LocalDateTime
 - fj-bom version set to 1.6.5
 - DBUtils.indentifyDB() now recognizes h2 (600) and hsqldb (700) databases.
 - IdGenerator for h2 is mapped to Postgres by default

fj-core/src/main/java/org/fugerit/java/core/db/daogen/SQLTypeConverter.java

@@ -4,6 +4,7 @@
 import java.sql.SQLException;
 import java.sql.Time;
 import java.sql.Timestamp;
+import java.time.*;
 import java.util.function.Function;
 
 import org.fugerit.java.core.function.SafeFunction;
@@ -33,5 +34,20 @@ public static ByteArrayDataHandler blobToByteHandler( java.sql.Blob s ) throws S
 	public static CharArrayDataHandler clobToCharHandler( java.sql.Clob s ) throws SQLException {
 		return SafeFunction.getEx( () -> CharArrayDataHandler.newHandlerDefault( s ) , CONVERT_EX );
 	}
+
+	public static ZonedDateTime toZonedDateTime(java.util.Date dateToConvert) {
+		return SafeFunction.getIfNotNull( dateToConvert , () ->
+				new java.util.Date( dateToConvert.getTime() )
+						.toInstant()
+						.atZone(ZoneId.systemDefault()) );
+	}
+
+	public static LocalDate utilDateToLocalDate(java.util.Date dateToConvert) {
+		return SafeFunction.getIfNotNull( dateToConvert , () -> toZonedDateTime( dateToConvert  ).toLocalDate() );
+	}
+
+	public static LocalDateTime utilDateToLocalDateTime(java.util.Date dateToConvert) {
+		return SafeFunction.getIfNotNull( dateToConvert , () -> toZonedDateTime( dateToConvert  ).toLocalDateTime() );
+	}
 
 }

fj-core/src/test/java/test/org/fugerit/java/core/db/daogein/TestSQLTypeConverter.java

@@ -0,0 +1,32 @@
+package test.org.fugerit.java.core.db.daogein;
+
+import lombok.extern.slf4j.Slf4j;
+import org.fugerit.java.core.db.daogen.SQLTypeConverter;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.sql.Date;
+import java.sql.Timestamp;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+@Slf4j
+public class TestSQLTypeConverter {
+
+    private static final int TEST_YEAR = 2024;
+
+    @Test
+    public void testLocalDate() {
+        LocalDate d = SQLTypeConverter.utilDateToLocalDate(Date.valueOf( TEST_YEAR+"-05-05" ));
+        log.info( "local date : {}", d );
+        Assert.assertEquals( TEST_YEAR, d.getYear() );
+    }
+
+    @Test
+    public void testLocalDateTime() {
+        LocalDateTime d = SQLTypeConverter.utilDateToLocalDateTime(Timestamp.valueOf( TEST_YEAR+"-05-05 11:30:00.000" ));
+        log.info( "local date time : {}", d );
+        Assert.assertEquals( TEST_YEAR, d.getYear() );
+    }
+
+}