Example usage for java.io FileOutputStream write

Introduction

In this page you can find the example usage for java.io FileOutputStream write.

Prototype

public void write(byte b[], int off, int len) throws IOException 

Source Link

Document

Writes len bytes from the specified byte array starting at offset off to this file output stream.

Usage

From source file:eu.optimis.sm.gui.utils.ConfigManager.java

private static void createDefaultConfigFile(File fileObject) throws Exception {

    new File(fileObject.getParent()).mkdirs();
    new File(fileObject.getAbsolutePath()).delete();
    new File(fileObject.getAbsolutePath()).createNewFile();

    log.debug("Copying file " + fileObject.getName());
    InputStream streamIn = ConfigManager.class.getResourceAsStream("/" + fileObject.getName());
    FileOutputStream streamOut = new FileOutputStream(fileObject.getAbsolutePath());
    byte[] buf = new byte[8192];
    while (true) {
        int length = streamIn.read(buf);
        if (length < 0) {
            break;
        }/*from  ww  w  . j a  v  a  2s. co m*/
        streamOut.write(buf, 0, length);
    }

    try {
        streamIn.close();
    } catch (IOException ex) {
        log.error("Couldn't close input stream");
        log.error(ex.getMessage());
    }
    try {
        streamOut.close();
    } catch (IOException ex) {
        log.error("Couldn't close file output stream");
        log.error(ex.getMessage());
    }
}

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From source file:Main.java

public static void copyFile(File src, File dest) {
    if (null == src || null == dest) {
        return;//from   w w  w  .  java  2s.c o  m
    }

    FileInputStream in = null;
    FileOutputStream out = null;
    try {
        in = new FileInputStream(src);
        out = new FileOutputStream(dest);
        int byteCount = 8096;
        byte[] buffer = new byte[byteCount];
        int count = 0;
        while ((count = in.read(buffer, 0, byteCount)) != -1) {
            out.write(buffer, 0, count);
        }
        out.flush();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            in.close();
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

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From source file:Main.java

public static void copy(String source, String target, boolean isFolder) throws Exception {
    if (isFolder) {
        (new File(target)).mkdirs();
        File a = new File(source);
        String[] file = a.list();
        File temp = null;/*from  w  ww . j ava2s  . c  om*/
        for (int i = 0; i < file.length; i++) {
            if (source.endsWith(File.separator)) {
                temp = new File(source + file[i]);
            } else {
                temp = new File(source + File.separator + file[i]);
            }
            if (temp.isFile()) {
                FileInputStream input = new FileInputStream(temp);
                FileOutputStream output = new FileOutputStream(target + "/" + (temp.getName()).toString());
                byte[] b = new byte[1024];
                int len;
                while ((len = input.read(b)) != -1) {
                    output.write(b, 0, len);
                }
                output.flush();
                output.close();
                input.close();
            }
            if (temp.isDirectory()) {
                copy(source + "/" + file[i], target + "/" + file[i], true);
            }
        }
    } else {
        int byteread = 0;
        File oldfile = new File(source);
        if (oldfile.exists()) {
            InputStream inStream = new FileInputStream(source);
            File file = new File(target);
            file.getParentFile().mkdirs();
            file.createNewFile();
            FileOutputStream fs = new FileOutputStream(file);
            byte[] buffer = new byte[1024];
            while ((byteread = inStream.read(buffer)) != -1) {
                fs.write(buffer, 0, byteread);
            }
            inStream.close();
            fs.close();
        }
    }
}

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From source file:com.frostwire.util.ZipUtils.java

private static void unzipEntries(File folder, ZipInputStream zis, int itemCount, long time,
        ZipListener listener) throws IOException, FileNotFoundException {
    ZipEntry ze = null;//from www . j  a  v a  2s . c  o m

    int item = 0;

    while ((ze = zis.getNextEntry()) != null) {
        item++;

        String fileName = ze.getName();
        File newFile = new File(folder, fileName);

        LOG.debug("unzip: " + newFile.getAbsoluteFile());

        if (ze.isDirectory()) {
            if (!newFile.mkdirs()) {
                break;
            }
            continue;
        }

        if (listener != null) {
            int progress = (item == itemCount) ? 100 : (int) (((double) (item * 100)) / (double) (itemCount));
            listener.onUnzipping(fileName, progress);
        }

        FileOutputStream fos = new FileOutputStream(newFile);

        try {
            int n;
            byte[] buffer = new byte[1024];
            while ((n = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, n);

                if (listener != null && listener.isCanceled()) { // not the best way
                    throw new IOException("Uncompress operation cancelled");
                }
            }
        } finally {
            fos.close();
            zis.closeEntry();
        }

        newFile.setLastModified(time);
    }
}

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From source file:Functions.FileUpload.java

public static boolean processFile(String path, FileItemStream item, String houseId, String owner) {
    if ("".equals(item.getName())) {
        return false;
    }//from w  w w  .ja  va  2s  . c o m
    String nm = houseId + item.getName();
    System.out.println("nm =====================" + nm);
    try {
        File f = new File(path + File.separator + "images/");

        if (!f.exists()) {//den uparxei kan o fakelos opote den einai sthn database tpt!
            System.out.println("Mphke sthn if den exists");
            f.mkdir();
            File savedFile = new File(f.getAbsoluteFile() + File.separator + nm);
            FileOutputStream fos = new FileOutputStream(savedFile);
            InputStream is = item.openStream();
            int x = -1;
            byte b[] = new byte[1024];
            while ((x = is.read(b)) != -1) {
                fos.write(b, 0, x);
                //fos.write(x);
            }
            fos.flush();
            fos.close();
            database_common_functions.insertIntoBaseImage(houseId, nm);

            return true;
        } else {
            System.out.println("Mphke sthn if exists");
            if (database_common_functions.isHouseImageInDatabase(houseId, nm) == 1) {
                //overwrites current image with name nm.
                System.out.println("Mphke na kanei overwrite t arxeio");
                FileOutputStream fos = new FileOutputStream(f.getAbsoluteFile() + File.separator + nm);
                InputStream is = item.openStream();
                int x = -1;
                byte b[] = new byte[1024];
                while ((x = is.read(b)) != -1) {
                    fos.write(b, 0, x);
                    //fos.write(x);
                }
                fos.flush();
                fos.close();
                return true;
            } else {

                FileOutputStream fos = new FileOutputStream(f.getAbsoluteFile() + File.separator + nm);
                InputStream is = item.openStream();
                int x = -1;
                byte b[] = new byte[1024];
                while ((x = is.read(b)) != -1) {
                    fos.write(b, 0, x);
                    //fos.write(x);
                }
                fos.flush();
                fos.close();
                database_common_functions.insertIntoBaseImage(houseId, nm);
                return true;
            }

        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}

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From source file:com.groupon.odo.proxylib.Utils.java

/**
 * Copies file from a resource to a local temp file
 *
 * @param sourceResource//  w  w w  .ja  v  a 2  s.  c om
 * @return Absolute filename of the temp file
 * @throws Exception
 */
public static File copyResourceToLocalFile(String sourceResource, String destFileName) throws Exception {
    try {
        Resource keystoreFile = new ClassPathResource(sourceResource);
        InputStream in = keystoreFile.getInputStream();

        File outKeyStoreFile = new File(destFileName);
        FileOutputStream fop = new FileOutputStream(outKeyStoreFile);
        byte[] buf = new byte[512];
        int num;
        while ((num = in.read(buf)) != -1) {
            fop.write(buf, 0, num);
        }
        fop.flush();
        fop.close();
        in.close();
        return outKeyStoreFile;
    } catch (IOException ioe) {
        throw new Exception("Could not copy keystore file: " + ioe.getMessage());
    }
}

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From source file:de.uni_hildesheim.sse.ant.versionReplacement.PluginVersionReplacer.java

/**
 * Unpacks an existing JAR/Zip archive./*from   w ww.j ava  2 s  . c o m*/
 * 
 * @param zipFile The Archive file to unzip.
 * @param outputFolder The destination folder where the unzipped content shall be saved.
 * @see <a href="http://www.mkyong.com/java/how-to-decompress-files-from-a-zip-file/">
 * http://www.mkyong.com/java/how-to-decompress-files-from-a-zip-file/</a>
 */
private static void unZipIt(File zipFile, File outputFolder) {

    byte[] buffer = new byte[1024];

    try {

        // create output directory is not exists
        File folder = outputFolder;
        if (folder.exists()) {
            FileUtils.deleteDirectory(folder);
        }
        folder.mkdir();

        // get the zip file content
        ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
        // get the zipped file list entry
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {

            String fileName = ze.getName();
            File newFile = new File(outputFolder, fileName);

            // create all non exists folders
            // else you will hit FileNotFoundException for compressed folder
            new File(newFile.getParent()).mkdirs();

            if (!ze.isDirectory()) {
                FileOutputStream fos = new FileOutputStream(newFile);

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

                fos.close();
            }
            ze = zis.getNextEntry();
        }

        zis.closeEntry();
        zis.close();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

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From source file:Main.java

public static boolean copyFile(String quelle, String ziel) {
    if ((new File(quelle)).equals(new File(ziel))) {
        return false; // Quelle und Ziel sind dieselbe Datei!
    }//from w ww . j a  va  2s.  c  om
    final int BUFSIZE = 4096;
    FileInputStream f1;
    FileOutputStream f2;
    byte[] buf = new byte[BUFSIZE];
    int n;
    if (!canOpenFile(quelle)) {
        return false;
    }
    try {
        f1 = new FileInputStream(quelle);
        f2 = new FileOutputStream(ziel);
        while ((n = f1.read(buf, 0, BUFSIZE)) > 0) {
            f2.write(buf, 0, n);
        }
        f1.close();
        f2.close();
    } catch (IOException e) {
        return false;
    }
    return true;
}

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From source file:org.meshpoint.anode.util.ModuleUtils.java

public static File getResource(URI httpUri, String filename) throws IOException {
    /* download */
    HttpClient http = new DefaultHttpClient();
    HttpGet request = new HttpGet();
    request.setURI(httpUri);//from w  ww .  j a v a  2 s. co  m
    HttpEntity entity = http.execute(request).getEntity();
    InputStream in = entity.getContent();
    File destination = new File(resourceDir, filename);
    FileOutputStream out = new FileOutputStream(destination);
    byte[] buf = new byte[1024];
    int read;
    while ((read = in.read(buf)) != -1) {
        out.write(buf, 0, read);
    }
    in.close();
    out.flush();
    out.close();
    return destination;
}

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From source file:org.openo.nfvo.jujuvnfmadapter.common.DownloadCsarManager.java

/**
 * Download from given URL to given file location.
 * @param url String/*from  w  w w.  j a  va 2s . c  o m*/
 * @param filepath String
 * @return
 */
public static String download(String url, String filepath) {
    String status = "";
    try {
        CloseableHttpClient client = HttpClients.createDefault();
        HttpGet httpget = new HttpGet(url);
        CloseableHttpResponse response = client.execute(httpget);

        HttpEntity entity = response.getEntity();
        InputStream is = entity.getContent();
        if (filepath == null) {
            filepath = getFilePath(response); //NOSONAR
        }

        File file = new File(filepath);
        file.getParentFile().mkdirs();
        FileOutputStream fileout = new FileOutputStream(file);

        byte[] buffer = new byte[CACHE];
        int ch;
        while ((ch = is.read(buffer)) != -1) {
            fileout.write(buffer, 0, ch);
        }
        is.close();
        fileout.flush();
        fileout.close();
        status = Constant.DOWNLOADCSAR_SUCCESS;

    } catch (Exception e) {
        status = Constant.DOWNLOADCSAR_FAIL;
        LOG.error("Download csar file failed! " + e.getMessage(), e);
    }
    return status;
}

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