diff --git a/pom.xml b/pom.xml
index 7fd1b4c07..94acb4dff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -90,6 +90,13 @@
true
+
+ org.threeten
+ threetenbp
+ ${threetenbp}
+ true
+
+
com.mysema.querydsl
querydsl-core
diff --git a/src/main/java/org/springframework/data/convert/Jsr310BackPortConverters.java b/src/main/java/org/springframework/data/convert/Jsr310BackPortConverters.java
new file mode 100644
index 000000000..70f2a9058
--- /dev/null
+++ b/src/main/java/org/springframework/data/convert/Jsr310BackPortConverters.java
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.convert;
+
+import static org.threeten.bp.DateTimeUtils.*;
+import static org.threeten.bp.Instant.*;
+import static org.threeten.bp.LocalDateTime.*;
+import static org.threeten.bp.ZoneId.*;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.util.ClassUtils;
+import org.threeten.bp.Instant;
+import org.threeten.bp.LocalDate;
+import org.threeten.bp.LocalDateTime;
+import org.threeten.bp.LocalTime;
+
+/**
+ * Helper class to register {@link Converter} implementations for the ThreeTen Backport project in case it's present on
+ * the classpath.
+ *
+ * @author Oliver Gierke
+ * @see http://www.threeten.org/threetenbp
+ */
+public abstract class Jsr310BackPortConverters {
+
+ private static final boolean THREE_TEN_BACK_PORT_IS_PRESENT = ClassUtils.isPresent("org.threeten.bp.LocalDateTime",
+ Jsr310BackPortConverters.class.getClassLoader());
+
+ /**
+ * Returns the converters to be registered. Will only return converters in case we're running on Java 8.
+ *
+ * @return
+ */
+ public static Collection> getConvertersToRegister() {
+
+ if (!THREE_TEN_BACK_PORT_IS_PRESENT) {
+ return Collections.emptySet();
+ }
+
+ List> converters = new ArrayList>();
+ converters.add(DateToLocalDateTimeConverter.INSTANCE);
+ converters.add(LocalDateTimeToDateConverter.INSTANCE);
+ converters.add(DateToLocalDateConverter.INSTANCE);
+ converters.add(LocalDateToDateConverter.INSTANCE);
+ converters.add(DateToLocalTimeConverter.INSTANCE);
+ converters.add(LocalTimeToDateConverter.INSTANCE);
+ converters.add(DateToInstantConverter.INSTANCE);
+ converters.add(InstantToDateConverter.INSTANCE);
+
+ return converters;
+ }
+
+ public static enum DateToLocalDateTimeConverter implements Converter {
+
+ INSTANCE;
+
+ @Override
+ public LocalDateTime convert(Date source) {
+
+ return source == null ? null : ofInstant(toInstant(source), systemDefault());
+ }
+ }
+
+ public static enum LocalDateTimeToDateConverter implements Converter {
+
+ INSTANCE;
+
+ @Override
+ public Date convert(LocalDateTime source) {
+ return source == null ? null : toDate(source.atZone(systemDefault()).toInstant());
+ }
+ }
+
+ public static enum DateToLocalDateConverter implements Converter {
+
+ INSTANCE;
+
+ @Override
+ public LocalDate convert(Date source) {
+ return source == null ? null : ofInstant(ofEpochMilli(source.getTime()), systemDefault()).toLocalDate();
+ }
+ }
+
+ public static enum LocalDateToDateConverter implements Converter {
+
+ INSTANCE;
+
+ @Override
+ public Date convert(LocalDate source) {
+ return source == null ? null : toDate(source.atStartOfDay(systemDefault()).toInstant());
+ }
+ }
+
+ public static enum DateToLocalTimeConverter implements Converter {
+
+ INSTANCE;
+
+ @Override
+ public LocalTime convert(Date source) {
+ return source == null ? null : ofInstant(ofEpochMilli(source.getTime()), systemDefault()).toLocalTime();
+ }
+ }
+
+ public static enum LocalTimeToDateConverter implements Converter {
+
+ INSTANCE;
+
+ @Override
+ public Date convert(LocalTime source) {
+ return source == null ? null : toDate(source.atDate(LocalDate.now()).atZone(systemDefault()).toInstant());
+ }
+ }
+
+ public static enum DateToInstantConverter implements Converter {
+
+ INSTANCE;
+
+ @Override
+ public Instant convert(Date source) {
+ return source == null ? null : toInstant(source);
+ }
+ }
+
+ public static enum InstantToDateConverter implements Converter {
+
+ INSTANCE;
+
+ @Override
+ public Date convert(Instant source) {
+ return source == null ? null : toDate(source.atZone(systemDefault()).toInstant());
+ }
+ }
+}
diff --git a/src/test/java/org/springframework/data/convert/Jsr310BackPortConvertersUnitTests.java b/src/test/java/org/springframework/data/convert/Jsr310BackPortConvertersUnitTests.java
new file mode 100644
index 000000000..d12fd558e
--- /dev/null
+++ b/src/test/java/org/springframework/data/convert/Jsr310BackPortConvertersUnitTests.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.convert;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+import static org.threeten.bp.DateTimeUtils.*;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.junit.Test;
+import org.springframework.core.convert.ConversionService;
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.core.convert.support.GenericConversionService;
+import org.threeten.bp.Instant;
+import org.threeten.bp.LocalDate;
+import org.threeten.bp.LocalDateTime;
+import org.threeten.bp.LocalTime;
+
+/**
+ * Unit tests for {@link Jsr310BackPortConverters}.
+ *
+ * @author Oliver Gierke
+ */
+public class Jsr310BackPortConvertersUnitTests {
+
+ static final Date NOW = new Date();
+ static final ConversionService CONVERSION_SERVICE;
+
+ static {
+
+ GenericConversionService conversionService = new GenericConversionService();
+
+ for (Converter, ?> converter : Jsr310BackPortConverters.getConvertersToRegister()) {
+ conversionService.addConverter(converter);
+ }
+
+ CONVERSION_SERVICE = conversionService;
+ }
+
+ /**
+ * @see DATACMNS-606
+ */
+ @Test
+ public void convertsDateToLocalDateTime() {
+ assertThat(CONVERSION_SERVICE.convert(NOW, LocalDateTime.class).toString(),
+ is(format(NOW, "yyyy-MM-dd'T'HH:mm:ss.SSS")));
+ }
+
+ /**
+ * @see DATACMNS-606
+ */
+ @Test
+ public void convertsLocalDateTimeToDate() {
+
+ LocalDateTime now = LocalDateTime.now();
+ assertThat(format(CONVERSION_SERVICE.convert(now, Date.class), "yyyy-MM-dd'T'HH:mm:ss.SSS"), is(now.toString()));
+ }
+
+ /**
+ * @see DATACMNS-606
+ */
+ @Test
+ public void convertsDateToLocalDate() {
+ assertThat(CONVERSION_SERVICE.convert(NOW, LocalDate.class).toString(), is(format(NOW, "yyyy-MM-dd")));
+ }
+
+ /**
+ * @see DATACMNS-606
+ */
+ @Test
+ public void convertsLocalDateToDate() {
+
+ LocalDate now = LocalDate.now();
+ assertThat(format(CONVERSION_SERVICE.convert(now, Date.class), "yyyy-MM-dd"), is(now.toString()));
+ }
+
+ /**
+ * @see DATACMNS-606
+ */
+ @Test
+ public void convertsDateToLocalTime() {
+ assertThat(CONVERSION_SERVICE.convert(NOW, LocalTime.class).toString(), is(format(NOW, "HH:mm:ss.SSS")));
+ }
+
+ /**
+ * @see DATACMNS-606
+ */
+ @Test
+ public void convertsLocalTimeToDate() {
+
+ LocalTime now = LocalTime.now();
+ assertThat(format(CONVERSION_SERVICE.convert(now, Date.class), "HH:mm:ss.SSS"), is(now.toString()));
+ }
+
+ /**
+ * @see DATACMNS-623
+ */
+ @Test
+ public void convertsDateToInstant() {
+
+ Date now = new Date();
+ assertThat(CONVERSION_SERVICE.convert(now, Instant.class), is(toInstant(now)));
+ }
+
+ /**
+ * @see DATACMNS-623
+ */
+ @Test
+ public void convertsInstantToDate() {
+
+ Date now = new Date();
+ assertThat(CONVERSION_SERVICE.convert(toInstant(now), Date.class), is(now));
+ }
+
+ private static String format(Date date, String format) {
+ return new SimpleDateFormat(format).format(date);
+ }
+}
diff --git a/template.mf b/template.mf
index abe2cad8f..cb5aa97f2 100644
--- a/template.mf
+++ b/template.mf
@@ -32,6 +32,7 @@ Import-Template:
org.aopalliance.*;version="[1.0.0, 2.0.0)";resolution:=optional,
org.joda.time.*;version="${jodatime:[=.=.=,+1.0.0)}";resolution:=optional,
org.slf4j.*;version="[1.6.0,2.0.0)",
+ org.threeten.bp.*;version="${threetenbp:[=.=.=,+1.0.0)}";resolution:=optional,
javax.servlet.*;version="[2.5.0, 4.0.0)";resolution:=optional,
org.w3c.dom.*;version="0"
DynamicImport-Package: *