Example usage for java.io InputStream read

Introduction

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

Prototype

public int read(byte b[]) throws IOException

Source Link

Document

Reads some number of bytes from the input stream and stores them into the buffer array b.

Usage

From source file:Main.java

public static void copy(InputStream in, OutputStream out) throws IOException {
    byte[] buf = new byte[1024];
    int len;//from   w ww.  ja  v  a  2s.c  o m
    while ((len = in.read(buf)) > 0) {
        out.write(buf, 0, len);
    }
    out.flush();
    in.close();
    out.close();
}

From source file:Main.java

public static String loadJSONFromAsset(Context context, String fileName) {
    String json;/*from  ww w.j av  a2  s. co  m*/
    try {

        InputStream is = context.getAssets().open(fileName);
        int size = is.available();
        byte[] buffer = new byte[size];
        is.read(buffer);
        is.close();
        json = new String(buffer, "UTF-8");
    } catch (IOException ex) {
        ex.printStackTrace();
        return null;
    }
    return json;
}

From source file:Main.java

/**
 * A method to load x.json files from assets folder and convert them
 * into a string.//from   ww w . ja va2s.com
 *
 * @param c        A contect
 * @param fileName The json file in assets folder which to load json data from
 * @return
 */
public static String loadJSONFromAsset(Context c, String fileName) {
    String json = null;
    try {
        InputStream is = c.getAssets().open(fileName);
        int size = is.available();
        byte[] buffer = new byte[size];
        is.read(buffer);
        is.close();
        json = new String(buffer, "UTF-8");
    } catch (IOException ex) {
        ex.printStackTrace();
        return null;
    }
    return json;
}

From source file:Main.java

public final static long copy(InputStream inp, OutputStream out) throws IOException {
    int nread;/* w w  w .ja v a  2s.  c  o m*/
    byte[] buf = new byte[4096];
    long total = 0;
    while ((nread = inp.read(buf)) > 0) {
        total += nread;
        out.write(buf, 0, nread);
    }
    return total;
}

From source file:Main.java

public static byte[] readAll(InputStream is) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
    byte[] buf = new byte[1024];
    int c = is.read(buf);
    while (-1 != c) {
        baos.write(buf, 0, c);//from ww  w. ja  v  a 2 s. c  o m
        c = is.read(buf);
    }
    baos.flush();
    baos.close();
    return baos.toByteArray();
}

From source file:Main.java

private static long copyLarge(InputStream input, OutputStream output, byte[] buffer) throws IOException {
    long count = 0;
    int n;/* ww w  . j a va  2 s. c  om*/
    while (EOF != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}

From source file:Main.java

public static String loadJSONFromAsset(Context context, String fileName) {
    String json = null;//  w w  w.j  a  v  a 2s  .  c  om
    try {
        InputStream is = context.getAssets().open(fileName);
        int size = is.available();
        byte[] buffer = new byte[size];
        is.read(buffer);
        is.close();
        json = new String(buffer, "UTF-8");
    } catch (IOException ex) {
        Log.d(TAG, "Exception Occurred : " + ex.getMessage());
        return null;
    }
    return json;

}

From source file:Main.java

/**
 * Copy the content of the input stream into the output stream, using a temporary
 * byte array buffer whose size is defined by {@link #IO_BUFFER_SIZE}.
 *
 * @param in The input stream to copy from.
 * @param out The output stream to copy to.
 *
 * @throws java.io.IOException If any error occurs during the copy.
 *//*from  w  w w  .j a v  a 2 s . com*/
public static void copy(InputStream in, OutputStream out) throws IOException {
    byte[] b = new byte[IO_BUFFER_SIZE];
    int read;
    while ((read = in.read(b)) != -1) {
        out.write(b, 0, read);
    }
}

From source file:Main.java

public static void transfer(InputStream in, OutputStream out) throws IOException {
    byte[] buf = new byte[1024 * 1024];
    int len;// www  . j a  va 2  s.co  m
    while ((len = in.read(buf)) > 0)
        out.write(buf, 0, len);
}

From source file:Main.java

public static void writeStream(InputStream inputStream, OutputStream outputStream) {
    byte[] buffer = new byte[1024];
    int len = 0;/*from  w ww. j  a v  a2 s . co m*/
    try {
        while ((len = inputStream.read(buffer)) != -1) {
            outputStream.write(buffer, 0, len);
        }
        outputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }

}