Utils.copyFiles static method

CHANGELOG.md

@@ -1,6 +1,8 @@
 # Changelog
 
 ## [Unreleased]
+### Added
+- `Utils.copyFiles` static method to use in examples, by @HardNorth
 
 ## [5.2.4]
 ### Changed

src/main/java/com/epam/reportportal/utils/files/Utils.java

@@ -203,4 +203,20 @@ public static TypeAwareByteSource getFile(@Nonnull File file) throws IOException
 		ByteSource byteSource = getFileAsByteSource(file);
 		return new TypeAwareByteSource(byteSource, MimeTypeDetector.detect(byteSource, name));
 	}
+
+	/**
+	 * Copies a {@link File} into {@link File} in binary mode.
+	 *
+	 * @param source a stream to read from
+	 * @param dest   a stream to write to
+	 * @throws IOException in case of a read/write error
+	 */
+	public static void copyFiles(@Nonnull File source, @Nonnull File dest) throws IOException {
+		ByteSource byteSource = Utils.getFileAsByteSource(source);
+		try (InputStream is = byteSource.openStream()) {
+			try (OutputStream os = Files.newOutputStream(dest.toPath())) {
+				Utils.copyStreams(is, os);
+			}
+		}
+	}
 }

src/test/java/com/epam/reportportal/utils/files/TestUtils.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 EPAM Systems
+ *
+ * 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
+ *
+ *     https://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 com.epam.reportportal.utils.files;
+
+import org.apache.commons.io.IOUtils;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+
+public class TestUtils {
+	public static final String FILE_PATH = "src/test/resources/files/image.png";
+
+	@Test
+	public void test_copy_files() throws IOException {
+		File file = File.createTempFile("rp-test", ".png");
+		Utils.copyFiles(new File(FILE_PATH), file);
+
+		assertThat(
+				IOUtils.toByteArray(Files.newInputStream(file.toPath())),
+				equalTo(IOUtils.toByteArray(Files.newInputStream(Paths.get(FILE_PATH))))
+		);
+	}
+
+}