Example usage for java.io File list

Introduction

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

Prototype

public String[] list() 

Source Link

Document

Returns an array of strings naming the files and directories in the directory denoted by this abstract pathname.

Usage

From source file:com.twinsoft.convertigo.engine.util.ZipUtils.java

/*** Added by julienda - 10/09/2012
 * Return the archive name corresponding of the project name
 * @param supposedProject: the (supposed) project
 * @return the path of the real archive name
 * @throws IOException *///from   w w  w  .  j  av  a  2 s.c  om
public static String getArchiveName(String supposedProject) throws IOException {

    //Get the project directory path
    String pathProjects = new File(supposedProject).getParent();
    //Get the supposed project name without ".car"
    String supposedProjectName = new File(supposedProject).getName();
    supposedProjectName = supposedProjectName.substring(0, supposedProjectName.length() - 4);

    File projectPath = new File(pathProjects);
    String realArchiveFile = null;

    Engine.logEngine.trace("ZipUtils.getArchiveName() - projectPath: " + projectPath);

    int i = 0;

    //Create a list with the (path) files of the project directory 
    String[] listfiles = projectPath.list();

    while ((i < listfiles.length)) {

        //If the file is an archive
        if (listfiles[i].endsWith(".car") == true) {
            Engine.logEngine.trace("ZipUtils.getArchiveName() - listfiles[" + i + "]: " + listfiles[i]);
            Engine.logEngine.trace("ZipUtils.getArchiveName() - supposedProjectName: " + supposedProjectName);
            Engine.logEngine.trace(
                    "ZipUtils.getArchiveName() - listfiles PATH: " + new File(projectPath, listfiles[i]));

            //If the project name is equals to the (supposed) project name
            if (getProjectName(new File(projectPath, listfiles[i]).getPath()).equals(supposedProjectName)) {
                return new File(projectPath, listfiles[i]).getName();
            }
            Engine.logEngine.trace("ZipUtils.getArchiveName() - realArchiveFile: " + realArchiveFile);
        }
        i++;
    }

    throw new FileNotFoundException("Supposed project " + supposedProject + " not found!");
}

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From source file:com.silverpeas.util.FileUtil.java

public static boolean deleteEmptyDir(File directory) {
    if (directory.exists() && directory.isDirectory() && directory.list() != null
            && directory.list().length == 0) {
        return directory.delete();
    }/*  w w  w  .  j  a  va 2s .  co  m*/
    return false;
}

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From source file:com.ryan.ryanreader.cache.CacheManager.java

private static void pruneTemp(final File dir) {

    for (final String file : dir.list()) {

        if (file.endsWith(tempExt)) {
            new File(dir, file).delete();
        }//from w  w w .  ja va 2  s .c  om
    }
}

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From source file:com.plugin.excel.xsd.node.store.impl.FileHelper.java

public static void copyFolder(File src, File dest) throws IOException {

    if (src.isDirectory()) {

        // if directory not exists, create it
        if (!dest.exists()) {
            dest.mkdir();/*from   w ww.ja  va  2s  .  c  om*/
            // log.info("Directory copied from " + src + " to " + dest);
        }

        // list all the directory contents
        String files[] = src.list();

        for (String file : files) {
            // construct the src and dest file structure
            File srcFile = new File(src, file);
            File destFile = new File(dest, file);
            // recursive copy
            copyFolder(srcFile, destFile);
        }

    } else {
        // if file, then copy it
        // Use bytes stream to support all file types
        InputStream in = new FileInputStream(src);
        OutputStream out = new FileOutputStream(dest);

        byte[] buffer = new byte[1024];

        int length;
        // copy the file content in bytes
        while ((length = in.read(buffer)) > 0) {
            out.write(buffer, 0, length);
        }

        in.close();
        out.close();
        // log.info("File copied from " + src + " to " + dest);
    }
}

---

From source file:net.duckling.ddl.util.FileUtil.java

public static void copyFolder(String oldPath, String newPath) {

    try {//from  w  ww .  j  ava2  s.  c o  m
        (new File(newPath)).mkdirs();
        File a = new File(oldPath);
        String[] file = a.list();
        File temp = null;
        for (int i = 0; i < file.length; i++) {
            if (oldPath.endsWith(File.separator)) {
                temp = new File(oldPath + file[i]);
            } else {
                temp = new File(oldPath + File.separator + file[i]);
            }
            if (temp.isFile()) {
                FileInputStream input = new FileInputStream(temp);
                FileOutputStream output = new FileOutputStream(newPath + "/" + (temp.getName()).toString());
                byte[] b = new byte[1024 * 5];
                int len;
                while ((len = input.read(b)) != -1) {
                    output.write(b, 0, len);
                }
                output.flush();
                output.close();
                input.close();
            }
            if (temp.isDirectory()) {
                copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
            }
        }
    } catch (Exception e) {
        LOG.error(e);
    }

}

---

From source file:com.tinspx.util.io.ChannelSourceTest.java

static File setupTestDir() throws IOException {
    File testDir = new File(new File(System.getProperty("user.dir")), "test");
    if (testDir.exists()) {
        if (testDir.list().length > 0) {
            throw new IOException(testDir + " exists and is not empty");
        }/*  w w w  .  j  av a 2 s .c o m*/
    } else if (!testDir.mkdirs()) {
        throw new IOException("could not create " + testDir);
    }
    boolean complete = false;
    try {
        Resources.asByteSource(ChannelSource.class.getResource("/" + FORMATTED))
                .copyTo(Files.asByteSink(new File(testDir, FORMATTED)));
        Resources.asByteSource(ChannelSource.class.getResource("/" + SAMPLE))
                .copyTo(Files.asByteSink(new File(testDir, SAMPLE)));
        complete = true;
        return testDir;
    } finally {
        if (!complete) {
            teardownTestDir(testDir).close();
        }
    }
}

---

From source file:gov.nih.nci.caintegrator.common.Cai2Util.java

/**
 * Lists the directory contents.//from  ww  w .j a  v a2s.c  o m
 * @param dir the File directory of which the contents will be logged.
 */
public static void printDirContents(File dir) {
    String[] files = dir.list();
    if (files != null) {
        LOGGER.info("Listing: Contents of " + files.length + " files in dir " + dir.getAbsolutePath());
        for (int i = 0; i < files.length; i++) {
            LOGGER.info("Listing: Files: " + files[i]);
        }
    } else {
        LOGGER.info("Listing: files object is null.");
    }
}

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From source file:com.amalto.core.jobox.util.JoboxUtil.java

private static void deleteAllFiles(String path) {
    File file = new File(path);
    if (!file.exists()) {
        return;/*w w w. j a  v  a  2 s.c o  m*/
    }
    if (!file.isDirectory()) {
        LOGGER.warn("Expected a folder '" + path + "' but was a file."); //$NON-NLS-1$ //$NON-NLS-2$
    }
    String[] tempList = file.list();
    File temp;
    for (String currentTempFile : tempList) {
        if (path.endsWith(File.separator)) {
            temp = new File(path + currentTempFile);
        } else {
            temp = new File(path + File.separator + currentTempFile);
        }
        if (temp.isFile()) {
            if (!temp.delete()) {
                LOGGER.error("Delete folder failed for '" + currentTempFile + "'."); //$NON-NLS-1$ //$NON-NLS-2$
            }
        }
        if (temp.isDirectory()) {
            deleteAllFiles(path + "/" + currentTempFile);//$NON-NLS-1$
            deleteFolder(path + "/" + currentTempFile);//$NON-NLS-1$
        }
    }
}

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From source file:ai.susi.json.JsonRepository.java

private static File getCurrentDump(File path, String prefix, final Mode mode, final boolean dailyDump) {
    String currentDatePart = dateSuffix(dailyDump, new Date());

    // if there is already a dump, use it
    String[] existingDumps = path.list();
    if (existingDumps != null) {
        for (String d : existingDumps) {
            // first check if the file is the current file: we never compress that to enable a write to the end of the file
            if (d.startsWith(prefix + currentDatePart) && d.endsWith(".txt")) {
                continue;
            }/* w  ww  . ja v a 2s.c o  m*/

            // according to the write mode, we either compress or uncompress the file on-the-fly
            if (mode == COMPRESSED_MODE) {
                // all files should be compressed to enable small file sizes, but contents must be in RAM after reading
                if (d.startsWith(prefix) && d.endsWith(".txt")) {
                    final File source = new File(path, d);
                    final File dest = new File(path, d + ".gz");
                    if (dest.exists())
                        dest.delete();
                    new Thread() {
                        public void run() {
                            try {
                                DAO.log("starting gzip of " + source);
                                Compression.gzip(source, dest, true);
                                DAO.log("finished gzip of " + source);
                            } catch (IOException e) {
                                DAO.log("gzip of " + source + " failed: " + e.getMessage());
                            }
                        }
                    }.start();
                }
            } else {
                // all files should be uncompressed to enable random-access mode
                if (d.startsWith(prefix) && d.endsWith(".gz")) {
                    final File source = new File(path, d);
                    final File dest = new File(path, d.substring(0, d.length() - 3));
                    if (dest.exists())
                        dest.delete();
                    try {
                        Compression.gunzip(source, dest, true);
                    } catch (IOException e) {
                        Log.getLog().warn(e);
                        // mark the file as invalid
                        if (dest.exists())
                            dest.delete();
                        final File invalid = new File(path, d + ".invalid");
                        source.renameTo(invalid);
                    }
                }
            }
        }
        // the latest file with the current date is the required one (and it should not be compressed)
        for (String d : existingDumps) {
            if (d.startsWith(prefix + currentDatePart) && d.endsWith(".txt")) {
                return new File(path, d);
            }
        }
    }
    // no current file was found: create a new one, use a random number.
    // The random is used to make it possible to join many different dumps from different instances
    // without renaming them
    String random = (Long.toString(Math.abs(new Random(System.currentTimeMillis()).nextLong())) + "00000000")
            .substring(0, 8);
    return new File(path, prefix + currentDatePart + "_" + random + ".txt");
}

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From source file:org.lol.reddit.cache.CacheManager.java

private static void pruneTemp(final File dir) {

    final String[] list = dir.list();
    if (list == null)
        return;//from   ww  w .  j a  va 2 s .co m

    for (final String file : list) {

        if (file.endsWith(tempExt)) {
            new File(dir, file).delete();
        }
    }
}

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