Example usage for java.nio.file Path relativize

Introduction

In this page you can find the example usage for java.nio.file Path relativize.

Prototype

Path relativize(Path other);

Source Link

Document

Constructs a relative path between this path and a given path.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    Path p1 = Paths.get("Java_Dev");
    Path p2 = Paths.get("Java_Dev", "recent", "Test");
    System.out.println(p1.relativize(p2));
    System.out.println(p2.relativize(p1));

    Path p3 = Paths.get("Abc");
    Path p4 = Paths.get("Def");
    System.out.println(p3.relativize(p4));
    System.out.println(p4.relativize(p3));
}

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From source file:Test.java

public static void main(String[] args) {
    Path firstPath = Paths.get("music/A.mp3");
    Path secondPath = Paths.get("docs");

    System.out.println("From firstPath to secondPath: " + firstPath.relativize(secondPath));
    System.out.println("From secondPath to firstPath: " + secondPath.relativize(firstPath));
    System.out.println();//from w  ww .  j  a va  2 s  .c  o  m

}

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From source file:Test.java

public static void main(String[] args) throws Exception {
    Path firstPath = Paths.get("/home/music/users.txt");
    Path secondPath = Paths.get("/docs/status.txt");
    System.out.println("From firstPath to secondPath: " + firstPath.relativize(secondPath));
    System.out.println("From secondPath to firstPath: " + secondPath.relativize(firstPath));
    System.out.println("exists (Do not follow links): " + Files.exists(firstPath, LinkOption.NOFOLLOW_LINKS));
    System.out.println("exists: " + Files.exists(firstPath));
    System.out.println(/*from w  w w  .j  a  va2s  .c o m*/
            "notExists (Do not follow links): " + Files.notExists(firstPath, LinkOption.NOFOLLOW_LINKS));
    System.out.println("notExists: " + Files.notExists(firstPath));

}

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From source file:Main.java

public static void main(String[] args) {

    Path path01 = Paths.get("Topic.txt");
    Path path02 = Paths.get("Demo.txt");
    Path path03 = Paths.get("/Java/JavaFX/Topic.txt");
    Path path04 = Paths.get("/Java/2011");

    Path path01_to_path02 = path01.relativize(path02);
    System.out.println(path01_to_path02);

    Path path02_to_path01 = path02.relativize(path01);
    System.out.println(path02_to_path01);

    Path path03_to_path04 = path03.relativize(path04);
    System.out.println(path03_to_path04);

    Path path04_to_path03 = path04.relativize(path03);
    System.out.println(path04_to_path03);
}

---

From source file:com.github.houbin217jz.thumbnail.Thumbnail.java

public static void main(String[] args) {

    Options options = new Options();
    options.addOption("s", "src", true,
            "????????????");
    options.addOption("d", "dst", true, "");
    options.addOption("r", "ratio", true, "/??, 30%???0.3????????");
    options.addOption("w", "width", true, "(px)");
    options.addOption("h", "height", true, "?(px)");
    options.addOption("R", "recursive", false, "???????");

    HelpFormatter formatter = new HelpFormatter();
    String formatstr = "java -jar thumbnail.jar " + "[-s/--src <path>] " + "[-d/--dst <path>] "
            + "[-r/--ratio double] " + "[-w/--width integer] " + "[-h/--height integer] " + "[-R/--recursive] ";

    CommandLineParser parser = new PosixParser();
    CommandLine cmd = null;//from  www. j  a  va 2 s.  c  o  m
    try {
        cmd = parser.parse(options, args);
    } catch (ParseException e1) {
        formatter.printHelp(formatstr, options);
        return;
    }

    final Path srcDir, dstDir;
    final Integer width, height;
    final Double ratio;

    //
    if (cmd.hasOption("s")) {
        srcDir = Paths.get(cmd.getOptionValue("s")).toAbsolutePath();
    } else {
        srcDir = Paths.get("").toAbsolutePath(); //??
    }

    //
    if (cmd.hasOption("d")) {
        dstDir = Paths.get(cmd.getOptionValue("d")).toAbsolutePath();
    } else {
        formatter.printHelp(formatstr, options);
        return;
    }

    if (!Files.exists(srcDir, LinkOption.NOFOLLOW_LINKS)
            || !Files.isDirectory(srcDir, LinkOption.NOFOLLOW_LINKS)) {
        System.out.println("[" + srcDir.toAbsolutePath() + "]??????");
        return;
    }

    if (Files.exists(dstDir, LinkOption.NOFOLLOW_LINKS)) {
        if (!Files.isDirectory(dstDir, LinkOption.NOFOLLOW_LINKS)) {
            //????????
            System.out.println("????????");
            return;
        }
    } else {
        //????????
        try {
            Files.createDirectories(dstDir);
        } catch (IOException e) {
            e.printStackTrace();
            return;
        }
    }

    //??
    if (cmd.hasOption("w") && cmd.hasOption("h")) {
        try {
            width = Integer.valueOf(cmd.getOptionValue("width"));
            height = Integer.valueOf(cmd.getOptionValue("height"));
        } catch (NumberFormatException e) {
            System.out.println("??????");
            return;
        }
    } else {
        width = null;
        height = null;
    }

    //?
    if (cmd.hasOption("r")) {
        try {
            ratio = Double.valueOf(cmd.getOptionValue("r"));
        } catch (NumberFormatException e) {
            System.out.println("?????");
            return;
        }
    } else {
        ratio = null;
    }

    if (width != null && ratio != null) {
        System.out.println("??????????????");
        return;
    }

    if (width == null && ratio == null) {
        System.out.println("????????????");
        return;
    }

    //
    int maxDepth = 1;
    if (cmd.hasOption("R")) {
        maxDepth = Integer.MAX_VALUE;
    }

    try {
        //Java 7 ??@see http://docs.oracle.com/javase/jp/7/api/java/nio/file/Files.html
        Files.walkFileTree(srcDir, EnumSet.of(FileVisitOption.FOLLOW_LINKS), maxDepth,
                new SimpleFileVisitor<Path>() {
                    @Override
                    public FileVisitResult visitFile(Path path, BasicFileAttributes basicFileAttributes)
                            throws IOException {

                        //???&???
                        String filename = path.getFileName().toString().toLowerCase();

                        if (filename.endsWith(".jpg") || filename.endsWith(".jpeg")) {
                            //Jpeg??

                            /*
                             * relative??:
                             * rootPath: /a/b/c/d
                             * filePath: /a/b/c/d/e/f.jpg
                             * rootPath.relativize(filePath) = e/f.jpg
                             */

                            /*
                             * resolve??
                             * rootPath: /a/b/c/output
                             * relativePath: e/f.jpg
                             * rootPath.resolve(relativePath) = /a/b/c/output/e/f.jpg
                             */

                            Path dst = dstDir.resolve(srcDir.relativize(path));

                            if (!Files.exists(dst.getParent(), LinkOption.NOFOLLOW_LINKS)) {
                                Files.createDirectories(dst.getParent());
                            }
                            doResize(path.toFile(), dst.toFile(), width, height, ratio);
                        }
                        return FileVisitResult.CONTINUE;
                    }
                });
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:com.blackducksoftware.integration.hub.detect.workflow.codelocation.FileNameUtils.java

public static String relativize(final String from, final String to) {
    String relative = to;/*w  w w.java  2 s.co  m*/
    try {
        final Path toPath = new File(to).toPath();
        final Path fromPath = new File(from).toPath();
        final Path fromParentPath = fromPath.getParent();
        final Path relativePath = fromParentPath.relativize(toPath);
        final List<String> relativePieces = new ArrayList<>();
        for (int i = 0; i < relativePath.getNameCount(); i++) {
            relativePieces.add(relativePath.getName(i).toFile().getName());
        }
        relative = StringUtils.join(relativePieces, "/");
    } catch (final Exception e) {
        logger.info(String.format("Unable to relativize path, full source path will be used: %s", to));
        logger.debug("The reason relativize failed: ", e);
    }

    return relative;
}

---

From source file:org.cloudfoundry.util.FileUtils.java

/**
 * Returns a relative and normalized name for a {@link Path}.  This method ensures that directories have a single trailing slash in their name
 *
 * @param root the root {@link Path} to relativize against
 * @param path the {@link Path} to get the name for
 * @return The relative and normalized name
 *//*from   ww  w. java  2s .  c o  m*/
public static String getRelativePathName(Path root, Path path) {
    Path relative = root.relativize(path);
    return Files.isDirectory(path) && !relative.toString().endsWith("/")
            ? String.format("%s/", relative.toString())
            : relative.toString();
}

---

From source file:com.teradata.tempto.internal.convention.SqlTestsFileUtils.java

private static Consumer<Path> copyFileRecursive(Path source, Path target) {
    return (Path file) -> {
        try {//from   w w  w  .j  a  va2  s .c om
            Files.copy(file, target.resolve(source.relativize(file).toString()), COPY_ATTRIBUTES);
        } catch (IOException exception) {
            throw new RuntimeException(exception);
        }
    };
}

---

From source file:com.c4om.autoconf.ulysses.configanalyzer.packager.CompressedFileConfigurationPackager.java

/**
 * It takes an absolute {@link File} and returns a {@link File} relative to
 * another given base {@link File}.//  w w w .j  a v a2s  .  c o m
 * 
 * @param absoluteFile the absolute File
 * @param baseFile the base File
 * @return a File relative to baseFile, pointing to the same file than
 *         absoluteFile
 */
protected static File relativizeFile(File absoluteFile, File baseFile) {
    Path absolutePath = absoluteFile.toPath();
    Path basePath = baseFile.toPath();
    Path relativePath = basePath.relativize(absolutePath);
    return relativePath.toFile();
}

---

From source file:com.kotcrab.vis.editor.util.FileUtils.java

public static String relativize(FileHandle base, FileHandle absolute) {
    Path pathAbsolute = Paths.get(absolute.path());
    Path pathBase = Paths.get(base.path());
    Path pathRelative = pathBase.relativize(pathAbsolute);
    String path = pathRelative.toString().replace("\\", "/");
    if (absolute.isDirectory())
        path += "/";
    return path;/*from   ww w  . ja  v  a 2  s.  co  m*/
}

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