<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../jacoco-resources/report.gif" type="image/gif"/><title>MtasBitOutputStream.java</title><link rel="stylesheet" href="../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../index.html" class="el_report">MTAS</a> > <a href="index.source.html" class="el_package">mtas.codec.payload</a> > <span class="el_source">MtasBitOutputStream.java</span></div><h1>MtasBitOutputStream.java</h1><pre class="source lang-java linenums">package mtas.codec.payload;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/**
* The Class MtasBitOutputStream.
*/
public class MtasBitOutputStream extends ByteArrayOutputStream {
/** The bit buffer. */
<span class="fc" id="L12"> private int bitBuffer = 0;</span>
/** The bit count. */
<span class="fc" id="L15"> private int bitCount = 0;</span>
/**
* Instantiates a new mtas bit output stream.
*/
<span class="fc" id="L20"> public MtasBitOutputStream() {</span>
// do nothing
<span class="fc" id="L22"> }</span>
/**
* Write bit.
*
* @param value the value
* @throws IOException Signals that an I/O exception has occurred.
*/
public void writeBit(int value) throws IOException {
<span class="fc" id="L31"> writeBit(value, 1);</span>
<span class="fc" id="L32"> }</span>
/**
* Write bit.
*
* @param value the value
* @param number the number
* @throws IOException Signals that an I/O exception has occurred.
*/
public void writeBit(int value, int number) throws IOException {
<span class="fc" id="L42"> int localNumber = number;</span>
<span class="fc bfc" id="L43" title="All 2 branches covered."> while (localNumber > 0) {</span>
<span class="fc" id="L44"> localNumber--;</span>
<span class="fc" id="L45"> bitBuffer |= ((value & 1) << bitCount++);</span>
<span class="fc bfc" id="L46" title="All 2 branches covered."> if (bitCount == 8) {</span>
<span class="fc" id="L47"> createByte();</span>
}
}
<span class="fc" id="L50"> }</span>
/**
* Write elias gamma coding integer.
*
* @param value the value
* @throws IOException Signals that an I/O exception has occurred.
*/
public void writeEliasGammaCodingInteger(int value) throws IOException {
<span class="pc bpc" id="L59" title="1 of 2 branches missed."> if (value >= 0) {</span>
<span class="fc" id="L60"> writeEliasGammaCodingPositiveInteger(2 * value + 1);</span>
} else {
<span class="nc" id="L62"> writeEliasGammaCodingPositiveInteger(-2 * value);</span>
}
<span class="fc" id="L64"> }</span>
/**
* Write elias gamma coding non negative integer.
*
* @param value the value
* @throws IOException Signals that an I/O exception has occurred.
*/
public void writeEliasGammaCodingNonNegativeInteger(int value)
throws IOException {
<span class="pc bpc" id="L74" title="1 of 2 branches missed."> if (value >= 0) {</span>
<span class="fc" id="L75"> writeEliasGammaCodingPositiveInteger(value + 1);</span>
}
<span class="fc" id="L77"> }</span>
/**
* Write elias gamma coding positive integer.
*
* @param value the value
* @throws IOException Signals that an I/O exception has occurred.
*/
public void writeEliasGammaCodingPositiveInteger(int value)
throws IOException {
<span class="pc bpc" id="L87" title="1 of 2 branches missed."> if (value > 0) {</span>
<span class="fc bfc" id="L88" title="All 2 branches covered."> if (value == 1) {</span>
<span class="fc" id="L89"> writeBit(1);</span>
} else {
<span class="fc" id="L91"> writeBit(0);</span>
<span class="fc" id="L92"> writeEliasGammaCodingPositiveInteger(value / 2);</span>
<span class="fc" id="L93"> writeBit(value % 2);</span>
}
}
<span class="fc" id="L96"> }</span>
/*
* (non-Javadoc)
*
* @see java.io.ByteArrayOutputStream#close()
*/
@Override
public void close() throws IOException {
<span class="nc" id="L105"> createByte();</span>
<span class="nc" id="L106"> super.close();</span>
<span class="nc" id="L107"> }</span>
/**
* Creates the byte.
*
* @throws IOException Signals that an I/O exception has occurred.
*/
public void createByte() throws IOException {
<span class="fc bfc" id="L115" title="All 2 branches covered."> if (bitCount > 0) {</span>
<span class="fc" id="L116"> bitCount = 0;</span>
<span class="fc" id="L117"> write(bitBuffer);</span>
<span class="fc" id="L118"> bitBuffer = 0;</span>
}
<span class="fc" id="L120"> }</span>
}
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