com.nmote.ems.ConcatenationIE.java Source code

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Here is the source code for com.nmote.ems.ConcatenationIE.java

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/*
 * Copyright (c) Nmote d.o.o. 2003-2015. All rights reserved.
 * See LICENSE.txt for licensing information.
 */

package com.nmote.ems;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.commons.lang3.builder.ToStringBuilder;

/**
 * ConcatenationIE
 */
public class ConcatenationIE extends IE {

    private static final long serialVersionUID = 1L;

    public ConcatenationIE(int identifier) {
        super(identifier);
        if (identifier == 0) {
            eightBit = true;
        } else if (identifier == 8) {
            eightBit = false;
        } else {
            throw new IllegalArgumentException();
        }
    }

    @Override
    public byte getIdentifier() {
        return (byte) (eightBit ? 0 : 8);
    }

    @Override
    public int getLength() {
        return eightBit ? 3 : 4;
    }

    public int getMaximum() {
        return maximum;
    }

    public int getReference() {
        return reference;
    }

    public int getSequence() {
        return sequence;
    }

    @Override
    public void load(InputStream in) throws IOException {
        setReference(eightBit ? readAndThrowEOF(in) : read16AndThrowEOF(in));
        setMaximum(readAndThrowEOF(in));
        setSequence(readAndThrowEOF(in));
    }

    @Override
    public void save(OutputStream out) throws IOException {
        if (eightBit) {
            out.write(reference);
        } else {
            write16(out, reference);
        }
        out.write(maximum);
        out.write(sequence);
    }

    public void setMaximum(int i) {
        if (i < 1 || i > 255) {
            throw new IllegalArgumentException();
        }
        maximum = i;
    }

    public void setReference(int i) {
        if (i < 0 || i > 65535) {
            throw new IllegalArgumentException();
        }
        reference = i;
        eightBit = reference <= 255;
    }

    public void setSequence(int i) {
        if (i < 1 || i > 255) {
            throw new IllegalArgumentException();
        }
        sequence = i;
    }

    @Override
    public String toString() {
        return new ToStringBuilder(this).append("seq", sequence).append("max", maximum).append("ref", reference)
                .toString();
    }

    private int maximum;
    private int sequence;
    private int reference;
    private boolean eightBit;
}