Example usage for java.nio ByteBuffer remaining

Introduction

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

Prototype

public final int remaining()

Source Link

Document

Returns the number of remaining elements in this buffer, that is limit - position .

Usage

From source file:com.liveramp.commons.util.BytesUtils.java

public static ByteBuffer byteBufferDeepCopy(ByteBuffer src) {
    ByteBuffer copy = ByteBuffer.allocate(src.remaining()).put(src.slice());
    copy.flip();/*from w  ww  . java 2s . c  o m*/
    return copy;
}

From source file:com.icloud.framework.core.nio.ByteBufferUtil.java

public static String string(ByteBuffer b, Charset charset) {
    return new String(b.array(), b.arrayOffset() + b.position(), b.remaining(), charset);
}

From source file:com.liveramp.commons.util.BytesUtils.java

public static ByteBuffer byteBufferDeepCopy(ByteBuffer src, ByteBuffer dst) {
    if (dst == null || dst.capacity() < src.remaining()) {
        dst = byteBufferDeepCopy(src);//  ww  w. j a  v  a  2s .c  o m
    } else {
        dst.rewind();
        dst.limit(src.remaining());
        dst.put(src.slice());
        dst.flip();
    }
    return dst;
}

From source file:com.liveramp.commons.util.BytesUtils.java

public static String bytesToHexString(ByteBuffer b) {
    StringBuilder result = new StringBuilder();
    for (int i = 0; i < b.remaining(); ++i) {
        final int v = b.array()[b.arrayOffset() + b.position() + i] & 0xff;
        if (i > 0) {
            result.append(" ");
        }//from  w w w .j  ava  2  s  .c  om
        if (v < 16) {
            result.append("0");
        }
        result.append(Integer.toString(v, 16));
    }
    return result.toString();
}

From source file:ch.cyberduck.core.http.DelayedHttpMultipartEntity.java

private static ByteArrayBuffer encode(final Charset charset, final String input) {
    final ByteBuffer encoded = charset.encode(CharBuffer.wrap(input));
    final ByteArrayBuffer bab = new ByteArrayBuffer(encoded.remaining());
    bab.append(encoded.array(), encoded.position(), encoded.remaining());
    return bab;/*from ww  w .  java  2  s  . c o m*/
}

From source file:com.liveramp.cascading_ext.Bytes.java

/**
 * If the given ByteBuffer wraps completely its underlying byte array, return the underlying
 * byte array (no copy). Otherwise, return a deep copy of the range represented by the given
 * ByteBuffer./*from  w  w w. j  a v  a2 s . c  o m*/
 *
 * @param byteBuffer
 */
public static byte[] byteBufferToByteArray(ByteBuffer byteBuffer) {
    if (wrapsFullArray(byteBuffer)) {
        return byteBuffer.array();
    }
    byte[] target = new byte[byteBuffer.remaining()];
    byteBufferToByteArray(byteBuffer, target, 0);
    return target;
}

From source file:com.icloud.framework.core.nio.ByteBufferUtil.java

public static byte[] getBytes(ByteBuffer byteBuffer) {

    byte[] bytes =
            // new byte[byteBuffer.limit()-byteBuffer.position()];
            new byte[byteBuffer.remaining()];

    byteBuffer.get(bytes);//from   w  ww .  j  a  va 2s . c om
    return bytes;

}

From source file:com.offbynull.portmapper.common.ByteBufferUtils.java

/**
 * Copy the remaining content of a {@link ByteBuffer} in to a new array.
 * @param src buffer to copy/*from w ww  .j  a va2s.  com*/
 * @param incrementSrc of {@code true} increments {@code src}'s position
 * @return new buffer with the remaining content in {@code src}
 * @throws NullPointerException if any arguments are {@code null}
 */
public static byte[] copyContentsToArray(ByteBuffer src, boolean incrementSrc) {
    Validate.notNull(src);
    if (!incrementSrc) {
        src.mark();
    }

    ByteBuffer dst = ByteBuffer.allocate(src.remaining());
    dst.put(src);

    if (!incrementSrc) {
        src.reset();
    }

    return dst.array();
}

From source file:Main.java

public static final int compareToP(ByteBuffer bb1, ByteBuffer bb2) {
    final int offset1 = bb1.position();
    final int offset2 = bb2.position();
    final byte[] array1 = bb1.array();
    final byte[] array2 = bb2.array();
    final int len1 = bb1.remaining();
    final int len2 = bb2.remaining();
    return compareTo(array1, offset1, len1, array2, offset2, len2);
}

From source file:Main.java

public static final String convertStringCharset(String originalString, String sourceCharset,
        String targetCharset) {/*from w w  w  .j  av  a 2  s.co m*/
    if (sourceCharset.equalsIgnoreCase(targetCharset)) {
        return originalString;
    }
    final Charset charset = Charset.forName(sourceCharset);
    final ByteBuffer byteBuffer = charset.encode(originalString);
    // byteBuffer.array() "may" return byte array which is larger than
    // byteBuffer.remaining(). Here, we keep on the safe side.
    final byte[] bytes = new byte[byteBuffer.remaining()];
    byteBuffer.get(bytes);
    try {
        return new String(bytes, targetCharset);
    } catch (UnsupportedEncodingException e) {
        Log.e(LOG_TAG, "Failed to encode: charset=" + targetCharset);
        return null;
    }
}