Examples of java.nio.ByteBuffer.capacity()

java.nio.ByteBuffer.capacity()


        // Compute the position in the current page
        int pagePos = ( int ) ( position + ( pageNb + 1 ) * LONG_SIZE + INT_SIZE ) - pageNb * pageSize;


        ByteBuffer pageData = pageIos[pageNb].getData();
        int remaining = pageData.capacity() - pagePos;
        int value = 0;


        if ( remaining >= INT_SIZE )
        {
            value = pageData.getInt( pagePos );

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        // Compute the position in the current page
        int pagePos = ( int ) ( position + ( pageNb + 1 ) * LONG_SIZE + INT_SIZE ) - pageNb * pageSize;


        ByteBuffer pageData = pageIos[pageNb].getData();
        int remaining = pageData.capacity() - pagePos;
        long value = 0L;


        if ( remaining >= LONG_SIZE )
        {
            value = pageData.getLong( pagePos );

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            // Compute the position in the current page
            int pagePos = ( int ) ( position + ( pageNb + 1 ) * LONG_SIZE + INT_SIZE ) - pageNb * pageSize;


            // Compute the remaining size in the page
            int remaining = pageData.capacity() - pagePos;
            int nbStored = bytes.length;


            // And now, write the bytes until we have none
            while ( nbStored > 0 )
            {

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                    pageData.reset();
                    pageNb++;
                    pageData = pageIos[pageNb].getData();
                    pagePos = LINK_SIZE;
                    nbStored -= remaining;
                    remaining = pageData.capacity() - pagePos;
                }
            }


            // We are done
            position += bytes.length;

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            // Compute the position in the current page
            int pagePos = ( int ) ( position + ( pageNb + 1 ) * LONG_SIZE + INT_SIZE ) - pageNb * pageSize;


            // Compute the remaining size in the page
            int remaining = pageData.capacity() - pagePos;
            int nbStored = bytes.length;


            // And now, write the bytes until we have none
            while ( nbStored > 0 )
            {

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                    }


                    pageData = pageIos[pageNb].getData();
                    pagePos = LINK_SIZE;
                    nbStored -= remaining;
                    remaining = pageData.capacity() - pagePos;
                }
            }


            // We are done
            position += bytes.length;

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        // Get back the buffer in this page
        ByteBuffer pageData = pageIos[pageNb].getData();


        // Compute the remaining size in the page
        int remaining = pageData.capacity() - pagePos;


        if ( remaining < INT_SIZE )
        {
            // We have to copy the serialized length on two pages

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        // Get back the buffer in this page
        ByteBuffer pageData = pageIos[pageNb].getData();


        // Compute the remaining size in the page
        int remaining = pageData.capacity() - pagePos;


        if ( remaining < LONG_SIZE )
        {
            // We have to copy the serialized length on two pages

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    int nread = stm.read(actual);
    actual.limit(nread + 2);
    nread += stm.read(actual);


    // Read across chunk boundary
    actual.limit(Math.min(actual.capacity(), nread + 517));
    nread += stm.read(actual);
    checkData(arrayFromByteBuffer(actual), readOffset, expected, nread,
        "A few bytes");
    //Now read rest of it
    actual.limit(actual.capacity());

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    actual.limit(Math.min(actual.capacity(), nread + 517));
    nread += stm.read(actual);
    checkData(arrayFromByteBuffer(actual), readOffset, expected, nread,
        "A few bytes");
    //Now read rest of it
    actual.limit(actual.capacity());
    while (actual.hasRemaining()) {
      int nbytes = stm.read(actual);


      if (nbytes < 0) {
        throw new EOFException("End of file reached before reading fully.");

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