Support for java.time

src/main/java/com/j256/ormlite/db/BaseDatabaseType.java

@@ -86,6 +86,26 @@ public void appendColumnArg(String tableName, StringBuilder sb, FieldType fieldT
 				appendDateType(sb, fieldType, fieldWidth);
 				break;
 
+			case LOCAL_DATE:
+				appendLocalDateType(sb, fieldType, fieldWidth);
+				break;
+
+			case LOCAL_TIME:
+				appendLocalTimeType(sb, fieldType, fieldWidth);
+				break;
+
+			case LOCAL_DATE_TIME:
+				appendLocalDateTimeType(sb, fieldType, fieldWidth);
+				break;
+
+			case OFFSET_TIME:
+				appendOffsetTimeType(sb, fieldType, fieldWidth);
+				break;
+
+			case OFFSET_DATE_TIME:
+				appendOffsetDateTimeType(sb, fieldType, fieldWidth);
+				break;
+
 			case CHAR:
 				appendCharType(sb, fieldType, fieldWidth);
 				break;
@@ -208,6 +228,41 @@ protected void appendDateType(StringBuilder sb, FieldType fieldType, int fieldWi
 		sb.append("TIMESTAMP");
 	}
 
+	/**
+	 * Output the SQL type for a Java LocalDate.
+	 */
+	protected void appendLocalDateType(StringBuilder sb, FieldType fieldType, int fieldWidth) {
+		sb.append("DATE");
+	}
+
+	/**
+	 * Output the SQL type for a Java LocalTime.
+	 */
+	protected void appendLocalTimeType(StringBuilder sb, FieldType fieldType, int fieldWidth) {
+		sb.append("TIME");
+	}
+
+	/**
+	 * Output the SQL type for a Java LocalDateTime.
+	 */
+	protected void appendLocalDateTimeType(StringBuilder sb, FieldType fieldType, int fieldWidth) {
+		sb.append("TIMESTAMP");
+	}
+
+	/**
+	 * Output the SQL type for a Java OffsetTime.
+	 */
+	protected void appendOffsetTimeType(StringBuilder sb, FieldType fieldType, int fieldWidth) {
+		sb.append("TIME WITH TIME ZONE");
+	}
+
+	/**
+	 * Output the SQL type for a Java OffsetDateTime or Instant.
+	 */
+	protected void appendOffsetDateTimeType(StringBuilder sb, FieldType fieldType, int fieldWidth) {
+		sb.append("TIMESTAMP WITH TIME ZONE");
+	}
+
 	/**
 	 * Output the SQL type for a Java boolean.
 	 */

src/main/java/com/j256/ormlite/field/DataType.java

@@ -41,6 +41,16 @@
 import com.j256.ormlite.field.types.StringType;
 import com.j256.ormlite.field.types.TimeStampType;
 import com.j256.ormlite.field.types.UuidType;
+import com.j256.ormlite.field.types.LocalDateType;
+import com.j256.ormlite.field.types.LocalTimeType;
+import com.j256.ormlite.field.types.LocalDateTimeType;
+import com.j256.ormlite.field.types.OffsetTimeType;
+import com.j256.ormlite.field.types.OffsetDateTimeType;
+import com.j256.ormlite.field.types.InstantType;
+import com.j256.ormlite.field.types.LocalDateSqlType;
+import com.j256.ormlite.field.types.LocalTimeSqlType;
+import com.j256.ormlite.field.types.LocalDateTimeSqlType;
+import com.j256.ormlite.field.types.OffsetTimeCompatType;
 
 /**
  * Data type enumeration that corresponds to a {@link DataPersister}.
@@ -249,6 +259,60 @@ public enum DataType {
 	 * Marker for fields that are unknown.
 	 */
 	UNKNOWN(null),
+	/**
+	 * Persists the {@link java.time.LocalDate} Java class.
+	 *
+	 */
+	LOCAL_DATE(LocalDateType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.LocalTime} Java class.
+	 *
+	 */
+	LOCAL_TIME(LocalTimeType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.LocalDateTime} Java class.
+	 *
+	 */
+	LOCAL_DATE_TIME(LocalDateTimeType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.OffsetTime} Java class.
+	 *
+	 */
+	OFFSET_TIME(OffsetTimeType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.OffsetDateTime} Java class.
+	 *
+	 */
+	OFFSET_DATE_TIME(OffsetDateTimeType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.Instant} Java class.
+	 *
+	 */
+	INSTANT(InstantType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.LocalDate} Java class. By default this will use
+	 * {@link #LOCAL_DATE} so you will need to specify this using {@link DatabaseField#dataType()}.
+	 *
+	 */
+	LOCAL_DATE_SQL(LocalDateSqlType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.LocalTime} Java class. By default this will use
+	 * {@link #LOCAL_TIME} so you will need to specify this using {@link DatabaseField#dataType()}.
+	 *
+	 */
+	LOCAL_TIME_SQL(LocalTimeSqlType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.LocalDateTime} Java class. By default this will use
+	 * {@link #LOCAL_DATE_TIME} so you will need to specify this using {@link DatabaseField#dataType()}.
+	 *
+	 */
+	LOCAL_DATE_TIME_SQL(LocalDateTimeSqlType.getSingleton()),
+	/**
+	 * Persists the {@link java.time.OffsetTime} Java class. By default this will use
+	 * {@link #OFFSET_TIME} so you will need to specify this using {@link DatabaseField#dataType()}.
+	 *
+	 */
+	OFFSET_TIME_COMPAT(OffsetTimeCompatType.getSingleton()),
 	// end
 	;
 

src/main/java/com/j256/ormlite/field/SqlType.java

@@ -32,6 +32,12 @@ public enum SqlType {
 	// for other types handled by custom persisters
 	OTHER,
 	UNKNOWN,
+	// java.time
+	LOCAL_DATE,
+	LOCAL_TIME,
+	LOCAL_DATE_TIME,
+	OFFSET_TIME,
+	OFFSET_DATE_TIME,
 	// end
 	;
 }

src/main/java/com/j256/ormlite/field/types/BaseLocalDateType.java

@@ -0,0 +1,35 @@
+package com.j256.ormlite.field.types;
+
+import com.j256.ormlite.field.SqlType;
+
+/**
+ * Base class for all of the java.time class types.
+ *
+ * @author graynk
+ */
+public abstract class BaseLocalDateType extends BaseDataType {
+    private static final String specificationVersion = System.getProperty("java.specification.version");
+    private static final boolean javaTimeSupported = !(specificationVersion.equals("1.6") || specificationVersion.equals("1.7"));
+
+    protected BaseLocalDateType(SqlType sqlType, Class<?>[] classes) {
+        super(sqlType, classes);
+    }
+
+    protected BaseLocalDateType(SqlType sqlType) {
+        super(sqlType);
+    }
+
+    protected static boolean isJavaTimeSupported() {
+        return javaTimeSupported;
+    }
+
+    @Override
+    public boolean isValidForVersion() {
+        return true;
+    }
+
+    @Override
+    public boolean isArgumentHolderRequired() {
+        return true;
+    }
+}

src/main/java/com/j256/ormlite/field/types/InstantType.java

@@ -0,0 +1,67 @@
+package com.j256.ormlite.field.types;
+
+import java.lang.reflect.Field;
+import java.sql.SQLException;
+import java.time.Instant;
+import java.time.OffsetDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+
+import com.j256.ormlite.field.FieldType;
+import com.j256.ormlite.field.SqlType;
+import com.j256.ormlite.misc.SqlExceptionUtil;
+import com.j256.ormlite.support.DatabaseResults;
+
+/**
+ * A custom persister that is able to store the java.time.Instant class in the database as Timestamp With Timezone object.
+ * This class does not have a SQL backup counter-part, the database should support JDBC 4.2 for it to be used.
+ * Instant is also not a part of JDBC specification, persister converts Instant to OffsetDateTime with timezone fixed at UTC
+ *
+ * @author graynk
+ */
+public class InstantType extends BaseLocalDateType {
+
+    private static final InstantType singleton = isJavaTimeSupported() ? new InstantType() : null;
+    public static InstantType getSingleton() { return singleton; }
+    private InstantType() { super(SqlType.OFFSET_DATE_TIME, new Class<?>[] { Instant.class }); }
+    protected InstantType(SqlType sqlType, Class<?>[] classes) { super(sqlType, classes); }
+
+    @Override
+    public Object parseDefaultString(FieldType fieldType, String defaultStr) throws SQLException {
+        try {
+            return OffsetDateTime.parse(defaultStr, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss[.SSS]x"));
+        } catch (NumberFormatException e) {
+            throw SqlExceptionUtil.create("Problems with field " + fieldType +
+                    " parsing default Instant value: " + defaultStr, e);
+        }
+    }
+
+    @Override
+    public Object resultToSqlArg(FieldType fieldType, DatabaseResults results, int columnPos) throws SQLException {
+        return results.getOffsetDateTime(columnPos);
+    }
+
+    @Override
+    public Object sqlArgToJava(FieldType fieldType, Object sqlArg, int columnPos) {
+        OffsetDateTime value = (OffsetDateTime) sqlArg;
+        return value.toInstant();
+    }
+
+    @Override
+    public Object javaToSqlArg(FieldType fieldType, Object javaObject) {
+        Instant instant = (Instant) javaObject;
+        // ZoneOffset.UTC is evaluated at InstantType creation, fails on Java 6. Using ZoneId.of() instead
+        return OffsetDateTime.ofInstant(instant, ZoneId.of("UTC"));
+    }
+
+    @Override
+    public Object moveToNextValue(Object currentValue) {
+        Instant datetime = (Instant) currentValue;
+        return datetime.plusNanos(1);
+    }
+
+    @Override
+    public boolean isValidForField(Field field) {
+        return (field.getType() == Instant.class);
+    }
+}

src/main/java/com/j256/ormlite/field/types/LocalDateSqlType.java

@@ -0,0 +1,53 @@
+package com.j256.ormlite.field.types;
+
+import java.sql.Date;
+import java.sql.SQLException;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+import com.j256.ormlite.field.FieldType;
+import com.j256.ormlite.field.SqlType;
+import com.j256.ormlite.misc.SqlExceptionUtil;
+import com.j256.ormlite.support.DatabaseResults;
+
+/**
+ * A custom persister that is able to store the java.time.LocalDate class in the database as Date object.
+ * This class should be used only when database used does not support JDBC 4.2, since it converts java.time.LocalDate
+ * to java.sql.Date.
+ *
+ * @author graynk
+ */
+public class LocalDateSqlType extends LocalDateType {
+
+    private static LocalDateSqlType singleton = isJavaTimeSupported() ? new LocalDateSqlType() : null;
+    public static LocalDateSqlType getSingleton() { return singleton; }
+    private LocalDateSqlType() { super(SqlType.LOCAL_DATE); }
+    protected LocalDateSqlType(SqlType sqlType, Class<?>[] classes) { super(sqlType, classes); }
+
+    @Override
+    public Object parseDefaultString(FieldType fieldType, String defaultStr) throws SQLException {
+        try {
+            return Date.valueOf(LocalDate.parse(defaultStr, DateTimeFormatter.ISO_LOCAL_DATE));
+        } catch (NumberFormatException e) {
+            throw SqlExceptionUtil.create("Problems with field " + fieldType +
+                    " parsing default LocalDate value: " + defaultStr, e);
+        }
+    }
+
+    @Override
+    public Object resultToSqlArg(FieldType fieldType, DatabaseResults results, int columnPos) throws SQLException {
+        return results.getDate(columnPos);
+    }
+
+    @Override
+    public Object javaToSqlArg(FieldType fieldType, Object javaObject) {
+        LocalDate date = (LocalDate) javaObject;
+        return Date.valueOf(date);
+    }
+
+    @Override
+    public Object sqlArgToJava(FieldType fieldType, Object sqlArg, int columnPos) {
+        Date date = (Date) sqlArg;
+        return date.toLocalDate();
+    }
+}

src/main/java/com/j256/ormlite/field/types/LocalDateTimeSqlType.java

@@ -0,0 +1,53 @@
+package com.j256.ormlite.field.types;
+
+import java.sql.SQLException;
+import java.sql.Timestamp;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+import com.j256.ormlite.field.FieldType;
+import com.j256.ormlite.field.SqlType;
+import com.j256.ormlite.misc.SqlExceptionUtil;
+import com.j256.ormlite.support.DatabaseResults;
+
+/**
+ * A custom persister that is able to store the java.time.LocalDateTime class in the database as Timestamp object.
+ * This class should be used only when database used does not support JDBC 4.2, since it converts java.time.LocalDateTime
+ * to java.sql.Timestamp.
+ *
+ * @author graynk
+ */
+public class LocalDateTimeSqlType extends LocalDateTimeType {
+
+    private static final LocalDateTimeSqlType singleton = isJavaTimeSupported() ? new LocalDateTimeSqlType() : null;
+    public static LocalDateTimeSqlType getSingleton() { return singleton; }
+    private LocalDateTimeSqlType() { super(SqlType.LOCAL_DATE_TIME); }
+    protected LocalDateTimeSqlType(SqlType sqlType, Class<?>[] classes) { super(sqlType, classes); }
+
+    @Override
+    public Object parseDefaultString(FieldType fieldType, String defaultStr) throws SQLException {
+        try {
+            return Timestamp.valueOf(LocalDateTime.parse(defaultStr, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss[.SSS]")));
+        } catch (NumberFormatException e) {
+            throw SqlExceptionUtil.create("Problems with field " + fieldType +
+                    " parsing default LocalDateTime value: " + defaultStr, e);
+        }
+    }
+
+    @Override
+    public Object resultToSqlArg(FieldType fieldType, DatabaseResults results, int columnPos) throws SQLException {
+        return results.getTimestamp(columnPos);
+    }
+
+    @Override
+    public Object sqlArgToJava(FieldType fieldType, Object sqlArg, int columnPos) {
+        Timestamp value = (Timestamp) sqlArg;
+        return value.toLocalDateTime();
+    }
+
+    @Override
+    public Object javaToSqlArg(FieldType fieldType, Object javaObject) {
+        LocalDateTime datetime = (LocalDateTime) javaObject;
+        return Timestamp.valueOf(datetime);
+    }
+}