public void repackage()

in spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/Repackager.java [101:130]

• 30 lines of code
• 9 McCabe index (conditional complexity)

	public void repackage(File destination, Libraries libraries, LaunchScript launchScript, FileTime lastModifiedTime)
			throws IOException {
		Assert.isTrue(destination != null && !destination.isDirectory(), "Invalid destination");
		Layout layout = getLayout(); // get layout early
		if (lastModifiedTime != null && layout instanceof War) {
			throw new IllegalStateException("Reproducible repackaging is not supported with war packaging");
		}
		destination = destination.getAbsoluteFile();
		File source = getSource();
		if (isAlreadyPackaged() && source.equals(destination)) {
			return;
		}
		File workingSource = source;
		if (source.equals(destination)) {
			workingSource = getBackupFile();
			workingSource.delete();
			renameFile(source, workingSource);
		}
		destination.delete();
		try {
			try (JarFile sourceJar = new JarFile(workingSource)) {
				repackage(sourceJar, destination, libraries, launchScript, lastModifiedTime);
			}
		}
		finally {
			if (!this.backupSource && !source.equals(workingSource)) {
				deleteFile(workingSource);
			}
		}
	}