package com.github.dockerjava.core.util;

import java.io.File;

import java.io.IOException;

import java.nio.file.Path;

import com.github.dockerjava.api.exception.DockerClientException;

public class FilePathUtil {

private FilePathUtil() {

// utility class

}

/**

* Return the relative path. Path elements are separated with / char.

*

* @param baseDir

* a parent directory of {@code file}

* @param file

* the file to get the relative path

* @return the relative path

*/

public static String relativize(File baseDir, File file) {

try {

baseDir = baseDir.getCanonicalFile();

file = file.getCanonicalFile();

return baseDir.toURI().relativize(file.toURI()).getPath();

} catch (IOException e) {

throw new DockerClientException(e.getMessage(), e);

}

}

/**

* Return the relative path. Path elements are separated with / char.

*

* @param baseDir

* a parent directory of {@code file}

* @param file

* the file to get the relative path

* @return the relative path

*/

public static String relativize(Path baseDir, Path file) {

String path = baseDir.toUri().relativize(file.toUri()).getPath();

if (!"/".equals(baseDir.getFileSystem().getSeparator())) {

// For windows

return path.replace(baseDir.getFileSystem().getSeparator(), "/");

} else {

return path;

}

}

}