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:Main.java

/**
 * This method copies a binary from asset directory to working directory.
 * //w w  w.  j  ava  2  s. c o  m
 * @param assetPath
 * @param localPath
 * @param context
 * @return true == copied, false == text busy
 */
private static boolean copyFile(String assetPath, String localPath, Context context) {
    try {
        // detect architecture
        if (isARM())
            assetPath += "_arm";
        else if (isX86())
            assetPath += "_x86";
        else if (isMIPS())
            assetPath += "_mips";
        else
            assetPath += "_arm";

        InputStream binary = context.getAssets().open(assetPath);
        FileOutputStream execute = new FileOutputStream(localPath);

        int read = 0;
        byte[] buffer = new byte[4096];

        while ((read = binary.read(buffer)) > 0) {
            execute.write(buffer, 0, read);
        }

        execute.close();
        binary.close();

        execute = null;
        binary = null;

    } catch (IOException e) {
        return false;
    }
    return true;
}

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From source file:com.fun.util.TesseractUtil.java

/**
 * url?/*  w  w  w  .j ava2  s .  com*/
 *
 * @param url
 * @return
 * @throws IOException
 */
private static File getFileFromUrl(URL url) throws IOException {
    File tmpImage = File.createTempFile("tesseract-ocr-download", null);
    InputStream in = url.openConnection().getInputStream();
    FileOutputStream fos = new FileOutputStream(tmpImage);
    byte[] buf = new byte[1024];
    int len = 0;
    while ((len = in.read(buf)) != -1) {
        fos.write(buf, 0, len);
    }
    fos.flush();
    fos.close();
    return tmpImage;
}

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From source file:Main.java

public static boolean copyFileTo(File srcFile, File destFile) throws IOException {
    if (srcFile == null || destFile == null) {
        return false;
    }//from w w  w . j  a va2 s .c o  m
    if (srcFile.isDirectory() || destFile.isDirectory())
        return false;
    if (!srcFile.exists()) {
        return false;
    }
    if (!destFile.exists()) {
        createFile(destFile.getAbsolutePath());
    }
    FileInputStream fis = new FileInputStream(srcFile);
    FileOutputStream fos = new FileOutputStream(destFile);
    int readLen = 0;
    byte[] buf = new byte[1024];
    while ((readLen = fis.read(buf)) != -1) {
        fos.write(buf, 0, readLen);
    }
    fos.flush();
    fos.close();
    fis.close();
    return true;
}

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From source file:Main.java

public static void copyDirFile(String oldPath, String newPath) {
    try {//from  w  w  w  .  j  av a2s .com
        new File(newPath).mkdirs();
        File a = new File(oldPath);
        System.out.println("oldPath:" + 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()) {
                copyDirFile(oldPath + "/" + file[i], newPath + "/" + file[i]);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:br.edu.ifpb.sislivros.model.RequisicaoDeImg.java

public static void inserirImagem(FileItem item, String realPath, String nomeDaImagem) throws IOException {

    //Pegar o diretorio /imagensPerfil dentro do diretorio atual
    String diretorio = realPath + "/";

    //Criar diretorio caso no exista;
    File f = new File(diretorio);

    if (!f.exists()) {
        f.mkdir();/*from  ww  w  .j av  a2 s  . c  o  m*/
    }

    //Mandar o arquivo para o diretorio informado
    f = new File(diretorio + nomeDaImagem + ".jpg");

    try {
        FileOutputStream output = new FileOutputStream(f);
        InputStream is = item.getInputStream();

        byte[] buffer = new byte[2048];

        int nLidos;

        while ((nLidos = is.read(buffer)) >= 0) {
            output.write(buffer, 0, nLidos);
        }

        output.flush();
    } finally {

    }

}

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From source file:Main.java

public static boolean saveFile(String filePath, InputStream inputStream) throws IOException {
    boolean result = false;
    if (filePath != null && inputStream != null) {
        Log.d(TAG, "filePath:" + filePath);
        File file = new File(filePath);
        if (file.exists()) {
            file.delete();/*from   w  w  w . j a  v  a 2 s  . c o m*/
        }
        if (file.createNewFile()) {
            FileOutputStream fos = new FileOutputStream(file.getAbsolutePath());
            byte[] buf = new byte[1024];
            int size = 0;
            while ((size = inputStream.read(buf, 0, 1024)) != -1) {
                fos.write(buf, 0, size);
            }

            fos.flush();
            fos.close();
            inputStream.close();
            result = true;
        }
    }
    return result;
}

---

From source file:Main.java

public static boolean copyFileTo(InputStream inputStream, File destFile) throws IOException {
    if (inputStream == null || destFile == null) {
        return false;
    }/*from  w  ww.j a v  a2 s .c o m*/
    if (destFile.isDirectory())
        return false;

    if (!destFile.exists()) {
        createFile(destFile.getAbsolutePath());
    }
    FileOutputStream fos = new FileOutputStream(destFile);
    int readLen = 0;
    byte[] buf = new byte[1024];
    while ((readLen = inputStream.read(buf)) != -1) {
        fos.write(buf, 0, readLen);
    }
    fos.flush();
    fos.close();
    inputStream.close();
    return true;
}

---

From source file:Main.java

public static String assetToSd(Context ctx, String inFileName, String outFileName) {

    try {/*  w  w  w .  j  av  a2 s.  c  o  m*/
        InputStream is = ctx.getAssets().open(inFileName);
        if (is == null) {
            return null;
        }

        if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
            String sd = Environment.getExternalStorageDirectory().getAbsolutePath();
            String path = sd + "/uexTencent/";
            File filePath = new File(path);
            if (!filePath.exists()) {
                filePath.mkdirs();
            }
            String fileName = path + outFileName;
            FileOutputStream fos = new FileOutputStream(fileName);

            byte[] buf = new byte[1024];
            int len = 0;
            int total = 0;
            while ((len = is.read(buf)) != -1) {
                fos.write(buf, 0, len);
                total++;
            }
            is.close();
            fos.close();
            fileSize = total;
            return fileName;
        }

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

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From source file:msec.org.GzipUtil.java

static public void unzip(String srcFile) throws Exception {
    GzipCompressorInputStream in = new GzipCompressorInputStream(new FileInputStream(srcFile));
    int index = srcFile.indexOf(".gz");
    String destFile = "";
    if (index == srcFile.length() - 3) {
        destFile = srcFile.substring(0, index);
    } else {/*from www .  j a  v a2 s.c  om*/
        destFile = srcFile + ".decompress";
    }
    FileOutputStream out = new FileOutputStream(destFile);
    byte[] buf = new byte[10240];
    while (true) {
        int len = in.read(buf);
        if (len <= 0) {
            break;
        }
        out.write(buf, 0, len);
    }
    out.flush();
    out.close();
    in.close();
}

---

From source file:Main.java

public static void copyFromPackage(Context context, int ressourceId, String target) throws IOException {
    FileOutputStream lOutputStream = context.openFileOutput(target, 0);
    InputStream lInputStream = context.getResources().openRawResource(ressourceId);
    int readByte;
    byte[] buff = new byte[8048];
    while ((readByte = lInputStream.read(buff)) != -1) {
        lOutputStream.write(buff, 0, readByte);
    }// w  w w  .  j a  v a 2  s.c  om
    lOutputStream.flush();
    lOutputStream.close();
    lInputStream.close();
}

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