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

/**
 * Load an asset from a resource and return the content as byte array.
 *///  w  ww . ja v  a2 s  . c  o m
public static byte[] assetAsByteArray(Resources res, String path) throws IOException {
    InputStream is = res.getAssets().open(path);

    ByteArrayOutputStream buf = new ByteArrayOutputStream();
    byte[] temp = new byte[1024];
    int read;

    while ((read = is.read(temp)) > 0) {
        buf.write(temp, 0, read);
    }
    is.close();
    return buf.toByteArray();
}

From source file:Main.java

private static String loadJSONFromAsset(Context context, String pathNameFile) {
    String output = null;// w w  w  .java 2 s.  co  m
    try {
        InputStream is = context.getAssets().open(DIR_BOARDS_ASSETS + "/" + pathNameFile);
        int size = is.available();
        byte[] buffer = new byte[size];
        is.read(buffer);
        is.close();
        output = new String(buffer, "UTF-8");
    } catch (IOException ex) {
        ex.printStackTrace();
        return null;
    }
    return output;
}

From source file:Main.java

private static void copy(InputStream in, OutputStream out) throws IOException {
    byte[] buffer = new byte[4096];

    try {//from   w w  w .  j  a v  a 2 s  .  c om
        while (true) {
            int bytes = in.read(buffer);
            if (bytes == -1)
                break;

            out.write(buffer, 0, bytes);
        }

        out.flush();
    } finally {
        try {
            in.close();
        } finally {
            out.close();
        }
    }
}

From source file:Main.java

static void copy(InputStream in, OutputStream out) throws IOException {
    byte[] buffer = new byte[0xFFFF];

    int len;/*from w ww  . ja v a2 s  .  c  om*/
    while ((len = in.read(buffer)) != -1) {
        out.write(buffer, 0, len);
    }
}

From source file:Main.java

public static String readFromStream(InputStream is) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    byte[] buff = new byte[1024];
    int len = 0;//from   w ww. j  av  a 2  s  . c  o  m
    while ((len = is.read(buff)) != -1) {
        bos.write(buff, 0, len);
    }
    is.close();
    String result = bos.toString();
    bos.close();
    return result;
}

From source file:Main.java

public static void copyFile(InputStream in, OutputStream out) {
    try {// w w  w .j a  v  a 2 s .c o  m
        byte[] b = new byte[2 * 1024 * 1024]; //2M memory
        int len = -1;
        while ((len = in.read(b)) > 0) {
            out.write(b, 0, len);
            out.flush();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        closeIO(in, out);
    }
}

From source file:Main.java

/**
 * Convert input stream to string/*from   w w  w .  j  av a 2  s .  c o  m*/
 * 
 * @param input
 * @return
 * @throws IOException
 */
public static byte[] getBytes(InputStream input) throws IOException {
    byte[] buffer = new byte[8192];
    int bytesRead;
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    while ((bytesRead = input.read(buffer)) != -1) {
        output.write(buffer, 0, bytesRead);
    }
    return output.toByteArray();
}

From source file:Main.java

public static byte[] readStreamContent(InputStream stream) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    byte[] buf = new byte[1024];

    while (true) {
        try {/*  w  ww.  j  a  v a 2s .  co  m*/
            int read = stream.read(buf);
            if (read == -1)
                break;
            bos.write(buf, 0, read);
        } catch (IOException e) {
            return null;
        }
    }
    return bos.toByteArray();
}

From source file:Main.java

public static long copy(InputStream input, OutputStream output) throws IOException {
    byte[] buffer = new byte[1024 * 4];
    long count = 0;
    int n;/*from w ww .  j  a v  a  2s .c  o  m*/
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}

From source file:Main.java

public static void copyStream(InputStream in, OutputStream out) {
    try {//from   ww  w.j  ava  2  s.  c o m
        // Transfer bytes from in to out
        byte[] buf = new byte[1024];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        in.close();
        out.close();

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