package sega.a7;

import javacard.framework.JCSystem;
import javacard.framework.Util;

public class AppBuffer {
    private static final short BUFFER_SIZE = 416;

    private short[] m_ramD_size = JCSystem.makeTransientShortArray((short) 1, (byte) 1);
    private byte[] m_ramD_buffer = JCSystem.makeTransientByteArray(BUFFER_SIZE, (byte) 1);

    public AppBuffer() {
        this.m_ramD_size[0] = 0;
    }

    public byte[] getBuffer_ramD() {
        return this.m_ramD_buffer;
    }

    public short getBufferSize_ramD() {
        return this.m_ramD_size[0];
    }

    public boolean setData_ramD(byte[] data, short offset, short length) {
        if (this.m_ramD_size[0] + length > this.m_ramD_buffer.length)
            return false;

        Util.arrayCopyNonAtomic(data, offset, this.m_ramD_buffer, this.m_ramD_size[0], length);
        this.m_ramD_size[0] = (short) (this.m_ramD_size[0] + length);
        return true;
    }

    public void clear_ramD() {
        this.m_ramD_size[0] = 0;
    }
}