Use Framework's StreamUtils instead of Commons Compress's IOUtils

Closes gh-45911

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/EphemeralBuilderTests.java

@@ -35,7 +35,6 @@ import java.util.Map;
 
 import org.apache.commons.compress.archivers.ArchiveEntry;
 import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
-import org.apache.commons.compress.utils.IOUtils;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
@@ -46,6 +45,7 @@ import org.springframework.boot.buildpack.platform.docker.type.ImageConfig;
 import org.springframework.boot.buildpack.platform.docker.type.ImageReference;
 import org.springframework.boot.buildpack.platform.json.AbstractJsonTests;
 import org.springframework.util.FileCopyUtils;
+import org.springframework.util.StreamUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.entry;
@@ -202,7 +202,7 @@ class EphemeralBuilderTests extends AbstractJsonTests {
 			else {
 				file.getParentFile().mkdirs();
 				try (OutputStream out = new FileOutputStream(file)) {
-					IOUtils.copy(archive, out);
+					StreamUtils.copy(archive, out);
 				}
 			}
 			entry = archive.getNextEntry();

spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/TestTarGzip.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -31,9 +31,9 @@ import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
 import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
 import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
 import org.apache.commons.compress.compressors.gzip.GzipCompressorOutputStream;
-import org.apache.commons.compress.utils.IOUtils;
 
 import org.springframework.util.FileCopyUtils;
+import org.springframework.util.StreamUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -110,7 +110,7 @@ class TestTarGzip {
 		TarArchiveEntry entry = new TarArchiveEntry(entryName);
 		entry.setSize(content.length());
 		tar.putArchiveEntry(entry);
-		IOUtils.copy(new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8)), tar);
+		StreamUtils.copy(new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8)), tar);
 		tar.closeArchiveEntry();
 	}
 

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/dockerTest/java/org/springframework/boot/gradle/tasks/bundling/BootBuildImageIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -33,7 +33,6 @@ import java.util.Set;
 import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
 import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
 import org.apache.commons.compress.compressors.gzip.GzipCompressorOutputStream;
-import org.apache.commons.compress.utils.IOUtils;
 import org.gradle.testkit.runner.BuildResult;
 import org.gradle.testkit.runner.TaskOutcome;
 import org.junit.jupiter.api.TestTemplate;
@@ -52,6 +51,7 @@ import org.springframework.boot.testsupport.container.DisabledIfDockerUnavailabl
 import org.springframework.boot.testsupport.gradle.testkit.GradleBuild;
 import org.springframework.boot.testsupport.junit.DisabledOnOs;
 import org.springframework.util.FileSystemUtils;
+import org.springframework.util.StreamUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -547,7 +547,7 @@ class BootBuildImageIntegrationTests {
 		TarArchiveEntry entry = new TarArchiveEntry(file, name);
 		entry.setMode(mode);
 		tar.putArchiveEntry(entry);
-		IOUtils.copy(Files.newInputStream(file.toPath()), tar);
+		StreamUtils.copy(Files.newInputStream(file.toPath()), tar);
 		tar.closeArchiveEntry();
 	}
 

spring-boot-system-tests/spring-boot-image-tests/src/systemTest/java/org/springframework/boot/image/assertions/ImageAssert.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -26,7 +26,6 @@ import java.util.function.Consumer;
 
 import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
 import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
-import org.apache.commons.compress.utils.IOUtils;
 import org.assertj.core.api.AbstractAssert;
 import org.assertj.core.api.Assertions;
 import org.assertj.core.api.ListAssert;
@@ -35,6 +34,7 @@ import org.springframework.boot.buildpack.platform.docker.DockerApi;
 import org.springframework.boot.buildpack.platform.docker.type.ImageReference;
 import org.springframework.boot.buildpack.platform.docker.type.Layer;
 import org.springframework.boot.test.json.JsonContentAssert;
+import org.springframework.util.StreamUtils;
 
 /**
  * AssertJ {@link org.assertj.core.api.Assert} for Docker image contents.
@@ -105,7 +105,7 @@ public class ImageAssert extends AbstractAssert<ImageAssert, ImageReference> {
 					while (entry != null) {
 						if (entry.getName().equals(name)) {
 							ByteArrayOutputStream entryOut = new ByteArrayOutputStream();
-							IOUtils.copy(in, entryOut);
+							StreamUtils.copy(in, entryOut);
 							assertConsumer.accept(new JsonContentAssert(LayerContentAssert.class, entryOut.toString()));
 							return;
 						}

src/checkstyle/checkstyle.xml

@@ -14,7 +14,8 @@
 			name="com.puppycrawl.tools.checkstyle.checks.imports.IllegalImportCheck">
 			<property name="regexp" value="true" />
 			<property name="illegalPkgs"
-				value="^sun.*, ^org\.apache\.commons\.(?!compress|dbcp2|logging|pool2).*, ^com\.datastax\.oss\.driver\.shaded.*, ^com\.google\.common.*, ^io\.micrometer\.core\.lang.*, ^io\.micrometer\.shaded.*, ^org\.jetbrains\.annotations.*, ^org\.testcontainers\.shaded.*" />
+				value="^sun.*, ^org\.apache\.commons\.(?!compress|dbcp2|logging|pool2).*, ^com\.datastax\.oss\.driver\.shaded.*, ^com\.google\.common.*, ^io\.micrometer\.core\.lang.*, ^io\.micrometer\.shaded.*, ^org\.jetbrains\.annotations.*, ^org\.testcontainers\.shaded.*,
+				^org\.apache\.commons\.compress\.utils" />
 			<property name="illegalClasses"
 				value="^com\.hazelcast\.util\.Base64, ^org\.junit\.rules\.ExpectedException, ^org\.mockito\.InjectMocks, ^org\.slf4j\.LoggerFactory, ^org.springframework.context.annotation.ScannedGenericBeanDefinition, , ^(?!org\.springframework\.core\.).*ResolvableType, ^(?!org\.springframework\.util\.).*ReflectionUtils, ^reactor\.core\.support\.Assert"/>
 		</module>