Example usage for java.io File renameTo

Introduction

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

Prototype

public boolean renameTo(File dest) 

Source Link

Document

Renames the file denoted by this abstract pathname.

Usage

From source file:com.plotsquared.iserver.util.FileUtils.java

/**
 * Add files to a zip file/*from ww w .  j  a  v  a  2s.com*/
 *
 * @param zipFile Zip File
 * @param files   Files to add to the zip
 * @param delete  If the original files should be deleted
 * @throws Exception If anything goes wrong
 */
public static void addToZip(final File zipFile, final File[] files, final boolean delete) throws Exception {
    Assert.notNull(zipFile, files);

    if (!zipFile.exists()) {
        if (!zipFile.createNewFile()) {
            throw new RuntimeException("Couldn't create " + zipFile);
        }
    }

    final File temporary = File.createTempFile(zipFile.getName(), "");
    //noinspection ResultOfMethodCallIgnored
    temporary.delete();

    if (!zipFile.renameTo(temporary)) {
        throw new RuntimeException("Couldn't rename " + zipFile + " to " + temporary);
    }

    final byte[] buffer = new byte[1024 * 16]; // 16mb

    ZipInputStream zis = new ZipInputStream(new FileInputStream(temporary));
    ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(zipFile));

    ZipEntry e = zis.getNextEntry();
    while (e != null) {
        String n = e.getName();

        boolean no = true;
        for (File f : files) {
            if (f.getName().equals(n)) {
                no = false;
                break;
            }
        }

        if (no) {
            zos.putNextEntry(new ZipEntry(n));
            int len;
            while ((len = zis.read(buffer)) > 0) {
                zos.write(buffer, 0, len);
            }
        }
        e = zis.getNextEntry();
    }
    zis.close();
    for (File file : files) {
        InputStream in = new FileInputStream(file);
        zos.putNextEntry(new ZipEntry(file.getName()));

        int len;
        while ((len = in.read(buffer)) > 0) {
            zos.write(buffer, 0, len);
        }

        zos.closeEntry();
        in.close();
    }
    zos.close();
    temporary.delete();

    if (delete) {
        for (File f : files) {
            f.delete();
        }
    }
}

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From source file:com.k_joseph.apps.multisearch.solr.AddCustomFieldsToSchema.java

/**
 * Overwrites the previous schema file with the newly generated
 * // ww w. ja v a 2  s.c o m
 * @param previousSchema currently used schema file
 * @param newSchema to be used instead of the previous
 */
private static void copyNewSchemaFileToPreviouslyUsed(String previousSchema, String newSchema) {
    File previousSchemaFile = new File(previousSchema);
    File newSchemaFile = new File(newSchema);

    if (previousSchemaFile.exists() && newSchemaFile.exists()) {
        String chartSearchBackUpPath = System.getProperty("user.home") + File.separator + ".multiSearch"
                + File.separator + "backup";
        File chartSearchBackUp = new File(chartSearchBackUpPath);
        if (!chartSearchBackUp.exists()) {
            chartSearchBackUp.mkdir();
        }
        previousSchemaFile.delete();
        newSchemaFile.renameTo(previousSchemaFile);
        try {
            //Backing up the new schema file for easy retrieval after restarting or upgrading the module
            //TODO support an option clickat the UI where by the user can Reload the solrserver, 
            //this would mean updating the schema file with back-up before the Reloading is done
            FileUtils.copyFileToDirectory(newSchemaFile, chartSearchBackUp);
        } catch (IOException e) {
            System.out.println("Error generated" + e);
        }
    }
}

---

From source file:dk.netarkivet.common.utils.ZipUtils.java

/** GZip each of the files in fromDir, placing the result in toDir
 * (which will be created) with names having .gz appended.  All non-file
 * (directory, link, etc) entries in the source directory will be
 * skipped with a quiet little log message.
 *
 * @param fromDir An existing directory/* w w  w. j  a v  a  2s  .c om*/
 * @param toDir A directory where gzipped files will be placed.  This
 * directory must not previously exist.
 *   If the operation is not successful, the directory will not be created.
 */
public static void gzipFiles(File fromDir, File toDir) {
    ArgumentNotValid.checkNotNull(fromDir, "File fromDir");
    ArgumentNotValid.checkNotNull(toDir, "File toDir");
    ArgumentNotValid.checkTrue(fromDir.isDirectory(), "source '" + fromDir + "' must be an existing directory");
    ArgumentNotValid.checkTrue(!toDir.exists(), "destination directory '" + toDir + "' must not exist");

    File tmpDir = null;
    try {
        tmpDir = FileUtils.createUniqueTempDir(toDir.getAbsoluteFile().getParentFile(), toDir.getName());
        File[] fromFiles = fromDir.listFiles();
        for (File f : fromFiles) {
            if (f.isFile()) {
                gzipFileInto(f, tmpDir);
            } else {
                log.trace("Skipping non-file '" + f + "'");
            }
        }
        if (!tmpDir.renameTo(toDir)) {
            throw new IOFailure("Failed to rename temp dir '" + tmpDir + "' to desired target '" + toDir + "'");
        }
    } finally {
        if (tmpDir != null) {
            try {
                FileUtils.removeRecursively(tmpDir);
            } catch (IOFailure e) {
                log.debug("Error removing temporary" + " directory '" + tmpDir + "' after gzipping of '" + toDir
                        + "'", e);
            }
        }
    }
}

---

From source file:com.jimplush.goose.images.ImageSaver.java

/**
 * stores an image to disk and returns the path where the file was written
 *
 * @param imageSrc/*from www.  j av  a  2  s.co m*/
 * @return
 */
public static String storeTempImage(HttpClient httpClient, String linkhash, String imageSrc,
        Configuration config) throws SecretGifException {

    String localSrcPath = null;
    HttpGet httpget = null;
    HttpResponse response = null;

    try {

        imageSrc = imageSrc.replace(" ", "%20");
        if (logger.isDebugEnabled()) {
            logger.debug("Starting to download image: " + imageSrc);
        }

        HttpContext localContext = new BasicHttpContext();
        localContext.setAttribute(ClientContext.COOKIE_STORE, HtmlFetcher.emptyCookieStore);

        httpget = new HttpGet(imageSrc);

        response = httpClient.execute(httpget, localContext);

        String respStatus = response.getStatusLine().toString();
        if (!respStatus.contains("200")) {
            return null;
        }

        HttpEntity entity = response.getEntity();

        String fileExtension = "";
        try {
            Header contentType = entity.getContentType();
        } catch (Exception e) {
            logger.error(e.getMessage());

        }

        // generate random token
        Random generator = new Random();
        int randInt = generator.nextInt();

        localSrcPath = config.getLocalStoragePath() + "/" + linkhash + "_" + randInt;

        if (logger.isDebugEnabled()) {
            logger.debug("Storing image locally: " + localSrcPath);
        }
        if (entity != null) {
            InputStream instream = entity.getContent();
            OutputStream outstream = new FileOutputStream(localSrcPath);
            try {
                try {
                    IOUtils.copy(instream, outstream);
                } catch (Exception e) {
                    throw e;
                } finally {
                    entity.consumeContent();
                    instream.close();
                    outstream.close();
                }

                // get mime type and store the image extension based on that shiz
                fileExtension = ImageSaver.getFileExtension(config, localSrcPath);
                if (fileExtension == "" || fileExtension == null) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("EMPTY FILE EXTENSION: " + localSrcPath);
                    }
                    return null;
                }
                File f = new File(localSrcPath);
                if (f.length() < config.getMinBytesForImages()) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("TOO SMALL AN IMAGE: " + localSrcPath + " bytes: " + f.length());
                    }
                    return null;
                }

                File newFile = new File(localSrcPath + fileExtension);
                f.renameTo(newFile);
                localSrcPath = localSrcPath + fileExtension;

                if (logger.isDebugEnabled()) {
                    logger.debug("Image successfully Written to Disk");
                }

            } catch (IOException e) {
                logger.error(e.toString(), e);
            } catch (SecretGifException e) {
                throw e;
            } catch (Exception e) {
                logger.error(e.getMessage());
            }

        }

    } catch (IllegalArgumentException e) {
        logger.warn(e.getMessage());
    } catch (SecretGifException e) {
        raise(e);
    } catch (ClientProtocolException e) {

        logger.error(e.toString());
    } catch (IOException e) {
        logger.error(e.toString());
    } catch (Exception e) {
        e.printStackTrace();
        logger.error(e.toString());
        e.printStackTrace();
    } finally {

        httpget.abort();

    }

    return localSrcPath;
}

---

From source file:com.matze5800.paupdater.Functions.java

public static void addFilesToExistingZip(File zipFile, File[] files) throws IOException {
    File tempFile = new File(Environment.getExternalStorageDirectory() + "/pa_updater", "temp_kernel.zip");
    tempFile.delete();/*from w w  w. j  av  a  2  s . c om*/

    boolean renameOk = zipFile.renameTo(tempFile);
    if (!renameOk) {
        throw new RuntimeException(
                "could not rename the file " + zipFile.getAbsolutePath() + " to " + tempFile.getAbsolutePath());
    }
    byte[] buf = new byte[1024];

    ZipInputStream zin = new ZipInputStream(new FileInputStream(tempFile));
    ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFile));

    ZipEntry entry = zin.getNextEntry();
    while (entry != null) {
        String name = entry.getName();
        boolean notInFiles = true;
        for (File f : files) {
            if (f.getName().equals(name)) {
                notInFiles = false;
                break;
            }
        }
        if (notInFiles) {

            out.putNextEntry(new ZipEntry(name));

            int len;
            while ((len = zin.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        }
        entry = zin.getNextEntry();
    }
    zin.close();

    for (int i = 0; i < files.length; i++) {
        InputStream in = new FileInputStream(files[i]);
        out.putNextEntry(new ZipEntry(files[i].getName()));

        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        out.closeEntry();
        in.close();
    }
    out.close();
    tempFile.delete();
}

---

From source file:edu.stanford.muse.email.JarDocCache.java

/** returns a jar outputstream for the given filename.
 * copies over jar entries if the file was already existing.
 * unfortunately, we can't append to the end of a jar file easily.
 * see e.g.http://stackoverflow.com/questions/2223434/appending-files-to-a-zip-file-with-java
 * and http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4129445
 * may consider using truezip at some point, but the doc is dense.
 *///from  www  .  j ava  2s.  c o m
private static JarOutputStream appendOrCreateJar(String filename) throws IOException {
    JarOutputStream jos;
    File f = new File(filename);
    if (!f.exists())
        return new JarOutputStream(new BufferedOutputStream(new FileOutputStream(filename)));

    // bak* is going to be all the previous file entries
    String bakFilename = filename + ".bak";
    File bakFile = new File(bakFilename);
    f.renameTo(new File(bakFilename));
    jos = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(filename)));
    JarFile bakJF;
    try {
        bakJF = new JarFile(bakFilename);
    } catch (Exception e) {
        log.warn("Bad jar file! " + bakFilename + " size " + new File(filename).length() + " bytes");
        Util.print_exception(e, log);
        return new JarOutputStream(new BufferedOutputStream(new FileOutputStream(filename)));
    }

    // copy all entries from bakJF to jos
    Enumeration<JarEntry> bakEntries = bakJF.entries();
    while (bakEntries.hasMoreElements()) {
        JarEntry je = bakEntries.nextElement();
        jos.putNextEntry(je);
        InputStream is = bakJF.getInputStream(je);

        // copy over everything from is to jos
        byte buf[] = new byte[32 * 1024]; // randomly 32K
        int nBytes;
        while ((nBytes = is.read(buf)) != -1)
            jos.write(buf, 0, nBytes);

        jos.closeEntry();
    }
    bakFile.delete();

    return jos;
}

---

From source file:Main.java

public static boolean save(String fileName, Bitmap bitmap) {
    if (fileName == null || bitmap == null) {
        return false;
    }//from www  . j  a v a  2  s . c om
    boolean savedSuccessfully = false;
    OutputStream os = null;
    File imageFile = new File(fileName);
    File tmpFile = new File(imageFile.getAbsolutePath() + ".tmp");
    try {
        if (!imageFile.getParentFile().exists()) {
            imageFile.getParentFile().mkdirs();
        }
        os = new BufferedOutputStream(new FileOutputStream(tmpFile));
        savedSuccessfully = bitmap.compress(Bitmap.CompressFormat.PNG, 100, os);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (os != null) {
            try {
                os.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (savedSuccessfully && tmpFile != null && !tmpFile.renameTo(imageFile)) {
            savedSuccessfully = false;
        }
        if (!savedSuccessfully) {
            tmpFile.delete();
        }
    }
    return savedSuccessfully;
}

---

From source file:fi.mikuz.boarder.util.FileProcessor.java

public static void renameBoard(String originalBoardName, String newBoardName) {
    File oldLocation = new File(SoundboardMenu.mSbDir, originalBoardName);
    File newLocation = new File(SoundboardMenu.mSbDir, newBoardName);

    oldLocation.renameTo(newLocation);
}

---

From source file:dk.netarkivet.common.utils.ZipUtils.java

/** Gunzip all .gz files in a given directory into another.  Files in
 * fromDir not ending in .gz or not real files will be skipped with a
 * log entry./*from   www .ja v  a 2  s .c o  m*/
 *
 * @param fromDir The directory containing .gz files
 * @param toDir The directory to place the unzipped files in.  This
 * directory must not exist beforehand.
 * @throws IOFailure if there are problems creating the output directory
 * or gunzipping the files.
 */
public static void gunzipFiles(File fromDir, File toDir) {
    ArgumentNotValid.checkNotNull(fromDir, "File fromDir");
    ArgumentNotValid.checkNotNull(toDir, "File toDir");
    ArgumentNotValid.checkTrue(fromDir.isDirectory(), "source directory '" + fromDir + "' must exist");
    ArgumentNotValid.checkTrue(!toDir.exists(), "destination directory '" + toDir + "' must not exist");
    File tempDir = FileUtils.createUniqueTempDir(toDir.getAbsoluteFile().getParentFile(), toDir.getName());
    try {
        File[] gzippedFiles = fromDir.listFiles();
        for (File f : gzippedFiles) {
            if (f.isFile() && f.getName().endsWith(GZIP_SUFFIX)) {
                gunzipInto(f, tempDir);
            } else {
                log.trace("Non-gzip file '" + f + "' found in gzip dir");
            }
        }
        if (!tempDir.renameTo(toDir)) {
            throw new IOFailure(
                    "Error renaming temporary directory '" + tempDir + "' to target directory '" + toDir);
        }
    } finally {
        FileUtils.removeRecursively(tempDir);
    }
}

---

From source file:jenkins.model.RunIdMigrator.java

/**
 * Tries to move/rename a file from one path to another.
 * Uses {@link java.nio.file.Files#move} when available.
 * Does not use {@link java.nio.file.StandardCopyOption#REPLACE_EXISTING} or any other options.
 * TODO candidate for moving to {@link Util}
 *///from   w w w . j a v a2s.c  om
static void move(File src, File dest) throws IOException {
    Class<?> pathC;
    try {
        pathC = Class.forName("java.nio.file.Path");
    } catch (ClassNotFoundException x) {
        // Java 6, do our best
        if (dest.exists()) {
            throw new IOException(dest + " already exists");
        }
        if (src.renameTo(dest)) {
            return;
        }
        throw new IOException("could not move " + src + " to " + dest);
    }
    try {
        Method toPath = File.class.getMethod("toPath");
        Class<?> copyOptionAC = Class.forName("[Ljava.nio.file.CopyOption;");
        Class.forName("java.nio.file.Files").getMethod("move", pathC, pathC, copyOptionAC).invoke(null,
                toPath.invoke(src), toPath.invoke(dest), Array.newInstance(copyOptionAC.getComponentType(), 0));
    } catch (InvocationTargetException x) {
        Throwable cause = x.getCause();
        if (cause instanceof IOException) {
            throw (IOException) cause;
        } else {
            throw new IOException(cause);
        }
    } catch (Exception x) {
        throw new IOException(x);
    }
}

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