Example usage for java.nio ByteBuffer getInt

Introduction

In this page you can find the example usage for java.nio ByteBuffer getInt.

Prototype

public abstract int getInt();

Source Link

Document

Returns the int at the current position and increases the position by 4.

Usage

From source file:Main.java

public static int byteArrayToInt(byte[] bytes) {
    final ByteBuffer bb = ByteBuffer.wrap(bytes);
    //bb.order(ByteOrder.LITTLE_ENDIAN);
    return bb.getInt();
}

From source file:Main.java

public static int byteArrayToInt(byte[] bytes) throws IllegalArgumentException {
    if (bytes.length != (Integer.SIZE / Byte.SIZE)) {
        throw new IllegalArgumentException("Incorrect array size to convert to an int");
    }/*from w  w  w .j  a  v a  2 s  .c om*/
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    buffer.order(ByteOrder.BIG_ENDIAN);
    return buffer.getInt();
}

From source file:Main.java

public static int byteArrayToIntLE(byte[] bytes) throws IllegalArgumentException {
    if (bytes.length != (Integer.SIZE / Byte.SIZE)) {
        throw new IllegalArgumentException("Incorrect array size to convert to an int");
    }/*from  w  w w. ja v  a2s. c o m*/
    ByteBuffer buffer = ByteBuffer.wrap(bytes);
    buffer.order(ByteOrder.LITTLE_ENDIAN);
    return buffer.getInt();
}

From source file:Main.java

public static int byteArrayToLeInt(byte[] b) {
    final ByteBuffer bb = ByteBuffer.wrap(b);
    bb.order(ByteOrder.LITTLE_ENDIAN);
    return bb.getInt();
}

From source file:Main.java

public static int readInt(InputStream inputStream) throws IOException {
    byte[] bytesToRead = new byte[4];
    inputStream.read(bytesToRead);/*w  w w .j  ava 2 s  .  co m*/

    ByteBuffer buffer = ByteBuffer.wrap(bytesToRead);
    buffer.order(ByteOrder.LITTLE_ENDIAN);

    return buffer.getInt();
}

From source file:Main.java

/**
 * Converts an array of 4 bytes into a int.
 *
 * @param bytes The bytes.//from   w  w  w  .j av  a2  s  .  c o m
 * @return The int.
 */
public static int bytesToInt(final byte[] bytes) {
    final ByteBuffer buffer = ByteBuffer.allocate(4);
    buffer.put(bytes, 0, 4);
    buffer.flip();
    return buffer.getInt();
}

From source file:org.cloudata.core.commitlog.CommitLogWritableUtils.java

public static String readString(ByteBuffer buf) {
    int stringLength = buf.getInt();
    byte[] stringBuf = new byte[stringLength];
    buf.get(stringBuf);/*  w w  w . java2  s  . c om*/
    return new String(stringBuf);
}

From source file:org.cloudata.core.commitlog.CommitLogWritableUtils.java

public static String[] readStringArray(ByteBuffer buf) {
    int length = buf.getInt();
    if (length > 1000000) {
        LOG.warn("the length in unmarshalling string array is too big : " + length);
    }//www  .  j  a va  2 s. c om
    String[] ret = new String[length];
    for (int i = 0; i < length; i++) {
        ret[i] = readString(buf);
    }

    return ret;
}

From source file:Main.java

public static int readInt(byte[] message, int start) {
    /* Read in the type */
    ByteBuffer typeBuffer = ByteBuffer.allocate(4).order(ByteOrder.BIG_ENDIAN);
    typeBuffer.put(message, start, 4).position(0);
    return typeBuffer.getInt();
}

From source file:com.sm.replica.ParaList.java

public static ParaList toParaList(byte[] bytes) {
    ByteBuffer buf = ByteBuffer.wrap(bytes);
    int size = buf.getInt();
    ArrayList<StoreParas> list = new ArrayList<StoreParas>(size);
    for (int i = 0; i < size; i++) {
        // length of StoreParas
        int s = buf.getInt();
        byte[] ds = new byte[s];
        buf.get(ds);/*from  w  w  w .  java  2s  .  c om*/
        list.add(toStoreParas(ds));

    }
    return new ParaList(list);

}