Example usage for java.io File toPath

Introduction

In this page you can find the example usage for java.io File toPath.

Prototype

public Path toPath() 

Source Link

Document

Returns a Path java.nio.file.Path object constructed from this abstract path.

Usage

From source file:net.certiv.antlr.project.util.Utils.java

/**
 * Clears (deletes) all files from the given directory.
 * // ww w. jav a2  s. c o m
 * @param dir
 *            the directory to clear
 * @return true if all files were successfully deleted
 * @throws IOException
 */
public static boolean deleteAllFiles(File dir) throws IOException {
    if (dir == null)
        throw new IllegalArgumentException("Directory cannot be null");
    if (!dir.exists() || !dir.isDirectory())
        throw new IOException("Directory must exist");

    DirectoryStream<Path> ds = Files.newDirectoryStream(dir.toPath());
    int del = 0;
    int tot = 0;
    for (Path p : ds) {
        File f = p.toFile();
        String name = f.getName();
        if (f.isFile()) {
            tot++;
            boolean ok = f.delete();
            if (ok) {
                del++;
            } else {
                Log.warn(Utils.class, "Failed to delete: " + name);
            }
        }
    }
    Log.info(Utils.class, "Deleted " + del + " of " + tot + " files");
    return del == tot;
}

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From source file:com.sunteng.flume.source.tail.TailFileEventReader.java

public static String getFileKey(File file) {
    BasicFileAttributes basicAttr;
    try {//from   w w w . ja  va2s.com
        basicAttr = Files.readAttributes(file.toPath(), BasicFileAttributes.class);
    } catch (IOException e) {
        return new String();
    }
    Object obj = basicAttr.fileKey();
    if (obj == null) {
        return new String();
    }
    return obj.toString();
}

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From source file:maspack.fileutil.SafeFileUtils.java

public static void copyDirectory(File srcDir, File destDir, int options) throws IOException {
    Files.walkFileTree(srcDir.toPath(), new CopyFileVisitor(destDir.toPath()));
}

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From source file:com.github.blindpirate.gogradle.util.IOUtils.java

public static Path ensureDirExistAndWritable(Path path) {
    Assert.isTrue(path.isAbsolute(), "path must be absolute!");
    File dir = path.toFile();
    IOUtils.forceMkdir(dir);/*from   www . j  a v  a 2  s .  c  o  m*/
    Assert.isTrue(Files.isWritable(dir.toPath()), "Cannot write to directory:" + path);
    return path;
}

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From source file:com.ibm.wala.cast.js.nodejs.NodejsRequireTargetSelector.java

/**
 * NODE_MODULES_PATHS(START)/*ww w.ja va 2  s. co  m*/
 * 1. let PARTS = path split(START)
 * 2. let I = count of PARTS - 1
 * 3. let DIRS = []
 * 4. while I >= 0,
 *    a. if PARTS[I] = "node_modules" CONTINUE
 *    b. DIR = path join(PARTS[0 .. I] + "node_modules")
 *    c. DIRS = DIRS + DIR
 *    d. let I = I - 1
 * 5. return DIRS
 * 
 * @param d
 * @throws IOException
 */
private static List<File> nodeModulePaths(File rootDir, File d) throws IOException {
    LinkedList<File> dirs = new LinkedList<>();

    while (d.getCanonicalPath().startsWith(rootDir.getCanonicalPath()) && d.toPath().getNameCount() > 0) {
        // 4.a.
        if (!d.getName().equals("node_modules")) {
            // 4.b. and 4.c.
            dirs.add(new File(d, "node_modules"));
        }

        // 4.d.
        d = d.getParentFile();
    }

    return dirs;
}

---

From source file:net.nifheim.beelzebu.coins.common.utils.dependencies.DependencyManager.java

private static File downloadDependency(File libDir, Dependency dependency) throws Exception {
    String fileName = dependency.name().toLowerCase() + "-" + dependency.getVersion() + ".jar";

    File file = new File(libDir, fileName);
    if (file.exists()) {
        return file;
    }/*w  w w. j a v  a2 s .  c om*/

    URL url = new URL(dependency.getUrl());

    core.getMethods().log("Dependency '" + fileName + "' could not be found. Attempting to download.");
    try (InputStream in = url.openStream()) {
        Files.copy(in, file.toPath());
    }

    if (!file.exists()) {
        throw new IllegalStateException("File not present. - " + file.toString());
    } else {
        core.getMethods().log("Dependency '" + fileName + "' successfully downloaded.");
        return file;
    }
}

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From source file:io.github.swagger2markup.MarkdownConverterTest.java

/**
 * Given a markdown document to search, this checks to see if the specified tables
 * have all of the expected fields listed.
 * Match is a "search", and not an "equals" match.
 *
 * @param doc           markdown document file to inspect
 * @param fieldsByTable map of table name (header) to field names expected
 *                      to be found in that table.
 * @throws IOException if the markdown document could not be read
 *///from w  w  w  .  j a v a2  s. c o m
private static void verifyMarkdownContainsFieldsInTables(File doc, Map<String, Set<String>> fieldsByTable)
        throws IOException {
    //TODO: This method is too complex, split it up in smaller methods to increase readability
    final List<String> lines = Files.readAllLines(doc.toPath(), Charset.defaultCharset());
    final Map<String, Set<String>> fieldsLeftByTable = Maps.newHashMap();
    for (Map.Entry<String, Set<String>> entry : fieldsByTable.entrySet()) {
        fieldsLeftByTable.put(entry.getKey(), Sets.newHashSet(entry.getValue()));
    }
    String inTable = null;
    for (String line : lines) {
        // If we've found every field we care about, quit early
        if (fieldsLeftByTable.isEmpty()) {
            return;
        }

        // Transition to a new table if we encounter a header
        final String currentHeader = getTableHeader(line);
        if (inTable == null || currentHeader != null) {
            inTable = currentHeader;
        }

        // If we're in a table that we care about, inspect this potential table row
        if (inTable != null && fieldsLeftByTable.containsKey(inTable)) {
            // If we're still in a table, read the row and check for the field name
            //  NOTE: If there was at least one pipe, then there's at least 2 fields
            String[] parts = line.split("\\|");
            if (parts.length > 1) {
                final String fieldName = parts[1];
                final Set<String> fieldsLeft = fieldsLeftByTable.get(inTable);
                // Mark the field as found and if this table has no more fields to find,
                //  remove it from the "fieldsLeftByTable" map to mark the table as done
                Iterator<String> fieldIt = fieldsLeft.iterator();
                while (fieldIt.hasNext()) {
                    String fieldLeft = fieldIt.next();
                    if (fieldName.contains(fieldLeft))
                        fieldIt.remove();
                }
                if (fieldsLeft.isEmpty()) {
                    fieldsLeftByTable.remove(inTable);
                }
            }
        }
    }

    // After reading the file, if there were still types, fail
    if (!fieldsLeftByTable.isEmpty()) {
        fail(String.format("Markdown file '%s' did not contain expected fields (by table): %s", doc,
                fieldsLeftByTable));
    }
}

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From source file:eu.eubrazilcc.lvl.service.io.DatasetWriter.java

private static File sequence2dataset(final Dataset dataset) {
    final Metadata metadata = dataset.getMetadata();
    final String filter = isNotBlank(metadata.getTarget().getFilter())
            ? metadata.getTarget().getFilter().trim().toLowerCase()
            : EXPORT_DEFAULT;//from   w  w  w . j  av a2  s .co  m
    File outfile = null;
    if (EXPORT_DEFAULT.equals(filter) || EXPORT_FASTA.equals(filter)) {
        final String compression = getCompression(metadata.getTarget().getCompression());
        final List<File> files = from(metadata.getTarget().getIds()).transform(new Function<String, File>() {
            @Override
            public File apply(final String id) {
                final SequenceDAO<? extends Sequence> dao = fromString(metadata.getTarget().getCollection());
                final Sequence sequence = dao
                        .find(SequenceKey.builder().parse(id, ID_FRAGMENT_SEPARATOR, NOTATION_LONG));
                checkState(sequence != null, "Sequence not found: " + id);
                return openGenBankFile(sequence, GB_SEQ_XML);
            }
        }).toList();
        try {
            final File baseOutputDir = new File(CONFIG_MANAGER.getLocalCacheDir(),
                    DatasetWriter.class.getSimpleName());
            baseOutputDir.mkdirs();
            final File outputDir = createTempDirectory(baseOutputDir.toPath(), "dataset-").toFile();
            if (EXPORT_FASTA.equals(filter)) {
                if (files.size() == 1) {
                    outfile = writeFastaSequence(files.get(0), outputDir, compression);
                } else {
                    outfile = writeFastaSequences(files, outputDir, compression);
                }
                dataset.getMetadata().getTags().add("fasta");
            } else {
                if (files.size() == 1) {
                    outfile = writeGbXmlSequence(files.get(0), outputDir, compression);
                } else {
                    outfile = writeGbXmlSequences(files, outputDir, compression);
                }
                dataset.getMetadata().getTags().add("ncbi_xml");
            }
        } catch (IOException e) {
            throw new IllegalStateException("Failed to copy sequence", e);
        }
    } else {
        throw new IllegalArgumentException("Unsupported filter: " + metadata.getTarget().getFilter());
    }
    return outfile;
}

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From source file:com.diffplug.gradle.FileMisc.java

/** Concats the first files and writes them to the last file. */
public static void concat(Iterable<File> toMerge, File dst) throws IOException {
    try (FileChannel dstChannel = FileChannel.open(dst.toPath(), StandardOpenOption.CREATE,
            StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE)) {
        for (File file : toMerge) {
            try (RandomAccessFile raf = new RandomAccessFile(file, "r")) {
                FileChannel channel = raf.getChannel();
                dstChannel.write(channel.map(FileChannel.MapMode.READ_ONLY, 0, raf.length()));
            }//w  ww. j  a v a 2s  .  c  om
        }
    }
}

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From source file:com.buaa.cfs.utils.IOUtils.java

/**
 * Return the complete list of files in a directory as strings.<p/>
 * <p>//from  w  w w .j  ava  2 s. c  o m
 * This is better than File#listDir because it does not ignore IOExceptions.
 *
 * @param dir    The directory to list.
 * @param filter If non-null, the filter to use when listing this directory.
 *
 * @return The list of files in the directory.
 *
 * @throws IOException On I/O error
 */
public static List<String> listDirectory(File dir, FilenameFilter filter) throws IOException {
    ArrayList<String> list = new ArrayList<String>();
    try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir.toPath())) {
        for (Path entry : stream) {
            String fileName = entry.getFileName().toString();
            if ((filter == null) || filter.accept(dir, fileName)) {
                list.add(fileName);
            }
        }
    } catch (DirectoryIteratorException e) {
        throw e.getCause();
    }
    return list;
}

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