Accept Docker progress on numbers >2GB

Update `ProgressUpdateEvent` to support images of a file size
>2GB without provoking build failures.

See gh-43328

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/docker/ProgressUpdateEvent.java

@@ -22,6 +22,7 @@ import com.fasterxml.jackson.annotation.JsonCreator;
  * An {@link UpdateEvent} that includes progress information.
  *
  * @author Phillip Webb
+ * @author Wolfgang Kronberg
  * @since 2.3.0
  */
 public abstract class ProgressUpdateEvent extends UpdateEvent {
@@ -67,12 +68,12 @@ public abstract class ProgressUpdateEvent extends UpdateEvent {
 	 */
 	public static class ProgressDetail {
 
-		private final Integer current;
+		private final Long current;
 
-		private final Integer total;
+		private final Long total;
 
 		@JsonCreator
-		public ProgressDetail(Integer current, Integer total) {
+		public ProgressDetail(Long current, Long total) {
 			this.current = current;
 			this.total = total;
 		}
@@ -81,7 +82,7 @@ public abstract class ProgressUpdateEvent extends UpdateEvent {
 		 * Return the current progress value.
 		 * @return the current progress
 		 */
-		public int getCurrent() {
+		public long getCurrent() {
 			return this.current;
 		}
 
@@ -89,7 +90,7 @@ public abstract class ProgressUpdateEvent extends UpdateEvent {
 		 * Return the total progress possible value.
 		 * @return the total progress possible
 		 */
-		public int getTotal() {
+		public long getTotal() {
 			return this.total;
 		}
 

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/docker/ProgressUpdateEventTests.java

@@ -28,6 +28,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  * @param <E> The event type
  * @author Phillip Webb
  * @author Scott Frederick
+ * @author Wolfgang Kronberg
  */
 abstract class ProgressUpdateEventTests<E extends ProgressUpdateEvent> {
 
@@ -44,6 +45,13 @@ abstract class ProgressUpdateEventTests<E extends ProgressUpdateEvent> {
 		assertThat(event.getProgressDetail().getTotal()).isEqualTo(2);
 	}
 
+	@Test
+	void getProgressDetailsReturnsProgressDetailsForLongNumbers() {
+		ProgressUpdateEvent event = createEvent("status", new ProgressDetail(4000000000L, 8000000000L), "progress");
+		assertThat(event.getProgressDetail().getCurrent()).isEqualTo(4000000000L);
+		assertThat(event.getProgressDetail().getTotal()).isEqualTo(8000000000L);
+	}
+
 	@Test
 	void getProgressReturnsProgress() {
 		ProgressUpdateEvent event = createEvent();
@@ -52,24 +60,24 @@ abstract class ProgressUpdateEventTests<E extends ProgressUpdateEvent> {
 
 	@Test
 	void progressDetailIsEmptyWhenCurrentIsNullReturnsTrue() {
-		ProgressDetail detail = new ProgressDetail(null, 2);
+		ProgressDetail detail = new ProgressDetail(null, 2L);
 		assertThat(ProgressDetail.isEmpty(detail)).isTrue();
 	}
 
 	@Test
 	void progressDetailIsEmptyWhenTotalIsNullReturnsTrue() {
-		ProgressDetail detail = new ProgressDetail(1, null);
+		ProgressDetail detail = new ProgressDetail(1L, null);
 		assertThat(ProgressDetail.isEmpty(detail)).isTrue();
 	}
 
 	@Test
 	void progressDetailIsEmptyWhenTotalAndCurrentAreNotNullReturnsFalse() {
-		ProgressDetail detail = new ProgressDetail(1, 2);
+		ProgressDetail detail = new ProgressDetail(1L, 2L);
 		assertThat(ProgressDetail.isEmpty(detail)).isFalse();
 	}
 
 	protected E createEvent() {
-		return createEvent("status", new ProgressDetail(1, 2), "progress");
+		return createEvent("status", new ProgressDetail(1L, 2L), "progress");
 	}
 
 	protected abstract E createEvent(String status, ProgressDetail progressDetail, String progress);