Example usage for java.io FileInputStream read

Introduction

In this page you can find the example usage for java.io FileInputStream read.

Prototype

public int read(byte b[]) throws IOException

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:Main.java

public static String readTextFile(String fileName) throws FileNotFoundException, IOException {
    File file = new File(fileName);
    FileInputStream in = new FileInputStream(file);
    byte buf[] = new byte[(int) file.length()];
    in.read(buf);
    return new String(buf);
}

From source file:Main.java

static String File2String(String path) {
    String strReturn = "";
    try {//  w w  w.  j a v  a  2  s  .  com
        File f = new File(path);
        FileInputStream fis = new FileInputStream(f);
        byte[] bDoc = new byte[fis.available()];
        fis.read(bDoc);
        strReturn = new String(bDoc);
        fis.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return strReturn;
}

From source file:Main.java

public static void gzipIt(String inputFile, String outputFile) {

    byte[] buffer = new byte[1024];

    try {//from  ww w  . ja v  a  2s.  c  om

        GZIPOutputStream gzos = new GZIPOutputStream(new FileOutputStream(outputFile));

        FileInputStream in = new FileInputStream(inputFile);

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

        in.close();

        gzos.finish();
        gzos.close();

        System.out.println("Done");

    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

From source file:FolderZiper.java

static private void addFileToZip(String path, String srcFile, ZipOutputStream zip) throws Exception {

    File folder = new File(srcFile);
    if (folder.isDirectory()) {
        addFolderToZip(path, srcFile, zip);
    } else {/*  ww  w . j  a va  2 s  .  co m*/
        byte[] buf = new byte[1024];
        int len;
        FileInputStream in = new FileInputStream(srcFile);
        zip.putNextEntry(new ZipEntry(path + "/" + folder.getName()));
        while ((len = in.read(buf)) > 0) {
            zip.write(buf, 0, len);
        }
    }
}

From source file:Main.java

public static String encodeToFile(File file) {
    try {// ww w .  ja v  a2s  .c om
        FileInputStream inputFile = new FileInputStream(file);
        byte[] buffer = new byte[(int) file.length()];
        inputFile.read(buffer);
        inputFile.close();
        return Base64.encodeToString(buffer, Base64.NO_WRAP);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static byte[] readBytes(File file) throws IOException {
    //check/* ww w. jav  a2  s  . c  o  m*/
    if (!file.exists()) {
        throw new FileNotFoundException("File not exist: " + file);
    }
    if (!file.isFile()) {
        throw new IOException("Not a file:" + file);
    }

    long len = file.length();
    if (len >= Integer.MAX_VALUE) {
        throw new IOException("File is larger then max array size");
    }

    byte[] bytes = new byte[(int) len];
    FileInputStream in = null;
    try {
        in = new FileInputStream(file);
        in.read(bytes);
    } finally {
        close(in);
    }

    return bytes;
}

From source file:Main.java

/**
 * <pre>/* w ww.  jav a2  s . c  om*/
 * Read binary data from file stored in app 's internal memory.
 * </pre>
 * @param absolutePath absolute path to source file
 * @return binary data
 */
public static byte[] readInternalFile(String absolutePath) throws IOException {
    FileInputStream in = getCurrentContext().openFileInput(absolutePath);
    byte[] b = new byte[in.available()];
    in.read(b);
    in.close();

    return b;
}

From source file:id.co.nlp.MachineTranslation.Utils.Util.java

public static String read(String path) throws FileNotFoundException, IOException {
    File file = new File(path);
    long l = file.length();
    byte[] b = new byte[(int) l];
    FileInputStream fileInputStream = new FileInputStream(file);
    fileInputStream.read(b);
    return new String(b);
}

From source file:Main.java

public static void copyFile(FileInputStream src, FileOutputStream dst) throws Throwable {
    byte[] buf = new byte[65536];

    for (int len = src.read(buf); len > 0; len = src.read(buf)) {
        dst.write(buf, 0, len);//  w w  w.  ja  v a2 s .  c  o  m
    }

    src.close();
    dst.close();
}

From source file:Main.java

/**
 * <pre>/*from   w ww. java  2s  . co m*/
 * Read binary data from arbitrary file.
 * </pre>
 * @param absolutePath absolute path to source file
 * @return binary data
 */
public static byte[] readFile(String absolutePath) throws IOException {
    File file = new File(absolutePath);
    if (!file.exists()) {
        return null;
    }

    FileInputStream in = new FileInputStream(file);
    byte[] b = new byte[in.available()];
    in.read(b);
    in.close();

    return b;
}