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:controlador.Red.java

/**
 * Get de un fichero desde el Server al Cliente Local.
 * @param rutaLocal Ruta en la cual se creara el fichero.
 * @param name Nombre con el cual se busca el fichero en el server y se crea en local.
 * @return Estado de la operacion./*w w  w  .  jav a2  s . c o  m*/
 */
public static boolean getFile(String rutaLocal, String name) {
    try {
        url = new URL(conexion + name);
        URLConnection urlConn = url.openConnection();
        InputStream is = urlConn.getInputStream();
        FileOutputStream fos = new FileOutputStream(rutaLocal + name);
        byte[] buffer = new byte[BUFFER_LENGTH];

        int count;
        while ((count = is.read(buffer)) > 0) {
            fos.write(buffer, 0, count);
        }
        fos.flush();

        is.close();
        fos.close();

        return true;
    } catch (IOException ex) {
        System.out.println("Problema al recibir un fichero desde el Server: " + ex.getLocalizedMessage());
    }

    return false;
}

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From source file:com.storageroomapp.client.util.FileUtil.java

static public boolean writeStreamToFile(File fileToWrite, InputStream is, boolean closeIS) {
    boolean success = true;

    FileOutputStream fos = null;
    try {//from   w w  w  .j  av a  2s  .  c o m
        fos = new FileOutputStream(fileToWrite);
        if (is != null) {
            byte[] buffer = new byte[16384];
            int len;
            while ((len = is.read(buffer)) != -1) {
                fos.write(buffer, 0, len);
            }
        }
    } catch (IOException ioe) {
        log.error("Error writing a stream to a file", ioe);
        success = false;
    } finally {
        if (closeIS && (is != null)) {
            try {
                is.close();
            } catch (IOException ioe) {
            }
        }
        if (fos != null) {
            try {
                fos.close();
            } catch (IOException ioe) {
            }
        }
    }

    return success;
}

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From source file:com.twosigma.beakerx.kernel.magic.command.ClasspathAddMvnDepsCellMagicCommandTest.java

private static void unzipRepo() {
    try {/*from w  w w .  j a v  a 2s  .  c  o  m*/
        ZipFile zipFile = new ZipFile(BUILD_PATH + "/testMvnCache.zip");
        Enumeration<?> enu = zipFile.entries();
        while (enu.hasMoreElements()) {
            ZipEntry zipEntry = (ZipEntry) enu.nextElement();
            String name = BUILD_PATH + "/" + zipEntry.getName();
            File file = new File(name);
            if (name.endsWith("/")) {
                file.mkdirs();
                continue;
            }

            File parent = file.getParentFile();
            if (parent != null) {
                parent.mkdirs();
            }

            InputStream is = zipFile.getInputStream(zipEntry);
            FileOutputStream fos = new FileOutputStream(file);
            byte[] bytes = new byte[1024];
            int length;
            while ((length = is.read(bytes)) >= 0) {
                fos.write(bytes, 0, length);
            }
            is.close();
            fos.close();

        }
        zipFile.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

---

From source file:OCRRestAPI.java

private static void DownloadConvertedFile(String outputFileUrl) throws IOException {
    URL downloadUrl = new URL(outputFileUrl);
    HttpURLConnection downloadConnection = (HttpURLConnection) downloadUrl.openConnection();

    if (downloadConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {

        InputStream inputStream = downloadConnection.getInputStream();

        // opens an output stream to save into file
        FileOutputStream outputStream = new FileOutputStream("C:\\converted_file.doc");

        int bytesRead = -1;
        byte[] buffer = new byte[4096];
        while ((bytesRead = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, bytesRead);
        }/*  www  .ja  v  a2  s .  co m*/

        outputStream.close();
        inputStream.close();
    }

    downloadConnection.disconnect();
}

---

From source file:Main.java

public static void writeFile(File file, byte[] content) throws IOException {
    if (!file.exists()) {
        try {//w  w  w . j  av  a 2s .c o m
            file.createNewFile();
        } catch (IOException e) {
            throw new IOException("not crete file=" + file.getAbsolutePath());
        }
    }
    FileOutputStream fileOutputStream = null;
    ByteArrayInputStream bis = null;
    try {
        bis = new ByteArrayInputStream(content);
        fileOutputStream = new FileOutputStream(file, false);
        byte[] buffer = new byte[1024];
        int length = 0;
        while ((length = bis.read(buffer)) != -1) {
            fileOutputStream.write(buffer, 0, length);
        }
        fileOutputStream.flush();
    } finally {
        if (fileOutputStream != null) {
            fileOutputStream.close();
        }
        if (bis != null) {
            bis.close();
        }
    }
}

---

From source file:Main.java

private static boolean copyAsset(AssetManager am, File rep, boolean force) {
    boolean existingInstall = false;
    try {/*w ww.j a va 2s .  c o  m*/
        String assets[] = am.list("");
        for (int i = 0; i < assets.length; i++) {
            boolean hp48 = assets[i].equals("hp48");
            boolean hp48s = assets[i].equals("hp48s");
            boolean ram = assets[i].equals("ram");
            boolean rom = assets[i].equals("rom");
            boolean rams = assets[i].equals("rams");
            boolean roms = assets[i].equals("roms");
            int required = 0;
            if (ram)
                required = 131072;
            else if (rams)
                required = 32768;
            else if (rom)
                required = 524288;
            else if (roms)
                required = 262144;
            //boolean SKUNK = assets[i].equals("SKUNK");
            if (hp48 || rom || ram || hp48s || roms || rams) {
                File fout = new File(rep, assets[i]);
                existingInstall |= fout.exists();
                if (!fout.exists() || fout.length() == 0 || (required > 0 && fout.length() != required)
                        || force) {
                    Log.i("x48", "Overwriting " + assets[i]);
                    FileOutputStream out = new FileOutputStream(fout);
                    InputStream in = am.open(assets[i]);
                    byte buffer[] = new byte[8192];
                    int n = -1;
                    while ((n = in.read(buffer)) > -1) {
                        out.write(buffer, 0, n);
                    }
                    out.close();
                    in.close();
                }
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return existingInstall;
}

---

From source file:Main.java

public static void DownloadFile(String u) {
    try {/*from   w w  w.j a v  a  2 s  . c  o m*/
        Logd(TAG, "Starting download of: " + u);
        URL url = new URL(u);
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.setDoOutput(true);
        urlConnection.connect();
        //File storageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
        checkStorageDir();
        File storageDir = new File(
                Environment.getExternalStorageDirectory() + "/Android/data/com.nowsci.odm/.storage");
        File file = new File(storageDir, getFileName(u));
        Logd(TAG, "Storage directory: " + storageDir.toString());
        Logd(TAG, "File name: " + file.toString());
        FileOutputStream fileOutput = new FileOutputStream(file);
        InputStream inputStream = urlConnection.getInputStream();
        byte[] buffer = new byte[1024];
        int bufferLength = 0;
        while ((bufferLength = inputStream.read(buffer)) > 0) {
            fileOutput.write(buffer, 0, bufferLength);
        }
        fileOutput.close();
        Logd(TAG, "File written");
    } catch (ProtocolException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:com.hangum.tadpole.engine.initialize.TadpoleSystemInitializer.java

/**
 * system  ./*  w  w  w.ja v a  2 s.  c  om*/
 * 
 * 1. ??  ? ?, ?? . 2. ??    ?? .
 * 
 * @throws Exception
 */
public static boolean initSystem() throws Exception {

    // move to driver file
    if (!TadpoleApplicationContextManager.isSystemInitialize())
        initJDBCDriver();

    // Is SQLite?
    if (!ApplicationArgumentUtils.isDBServer()) {
        if (!new File(DEFAULT_DB_FILE_LOCATION + DB_NAME).exists()) {
            if (logger.isInfoEnabled())
                logger.info("Createion Engine DB. Type is SQLite.");
            ClassLoader classLoader = TadpoleSystemInitializer.class.getClassLoader();
            InputStream is = classLoader
                    .getResourceAsStream("com/hangum/tadpole/engine/initialize/TadpoleEngineDBEngine.sqlite");

            byte[] dataByte = new byte[1024];
            int len = 0;

            FileOutputStream fos = new FileOutputStream(DEFAULT_DB_FILE_LOCATION + DB_NAME);
            while ((len = is.read(dataByte)) > 0) {
                fos.write(dataByte, 0, len);
            }

            fos.close();
            is.close();
        }
    }

    return TadpoleApplicationContextManager.getSystemAdmin() == null ? false : true;
}

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From source file:com.enonic.esl.io.FileUtil.java

private static void inflateFile(File dir, InputStream is, ZipEntry entry) throws IOException {
    String entryName = entry.getName();
    File f = new File(dir, entryName);

    if (entryName.endsWith("/")) {
        f.mkdirs();//from  w w w.  j  av  a2  s . c o m
    } else {
        File parentDir = f.getParentFile();
        if (parentDir != null && !parentDir.exists()) {
            parentDir.mkdirs();
        }
        FileOutputStream os = null;
        try {
            os = new FileOutputStream(f);
            byte[] buffer = new byte[BUF_SIZE];
            for (int n = 0; (n = is.read(buffer)) > 0;) {
                os.write(buffer, 0, n);
            }
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }
}

---

From source file:com.littcore.io.util.ZipUtils.java

public static void unzip(File srcZipFile, File targetFilePath, boolean isDelSrcFile) throws IOException {
    if (!targetFilePath.exists()) //?
        targetFilePath.mkdirs();//  ww w.ja  va 2  s.co  m
    ZipFile zipFile = new ZipFile(srcZipFile);

    Enumeration fileList = zipFile.getEntries();
    ZipEntry zipEntry = null;
    while (fileList.hasMoreElements()) {
        zipEntry = (ZipEntry) fileList.nextElement();
        if (zipEntry.isDirectory()) //?
        {
            File subFile = new File(targetFilePath, zipEntry.getName());
            if (!subFile.exists()) //??
                subFile.mkdir();
            continue;
        } else //?
        {
            File targetFile = new File(targetFilePath, zipEntry.getName());
            if (logger.isDebugEnabled()) {
                logger.debug("" + targetFile.getName());
            }

            if (!targetFile.exists()) {
                File parentPath = new File(targetFile.getParent());
                if (!parentPath.exists()) //????????
                    parentPath.mkdirs();
                //targetFile.createNewFile();
            }

            InputStream in = zipFile.getInputStream(zipEntry);
            FileOutputStream out = new FileOutputStream(targetFile);
            int len;
            byte[] buf = new byte[BUFFERED_SIZE];
            while ((len = in.read(buf)) != -1) {
                out.write(buf, 0, len);
            }
            out.close();
            in.close();
        }
    }
    zipFile.close();
    if (isDelSrcFile) {
        boolean isDeleted = srcZipFile.delete();
        if (isDeleted) {
            if (logger.isDebugEnabled()) {
                logger.debug("");
            }
        }
    }
}

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