<?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="../.resources/report.css" type="text/css"/><link rel="shortcut icon" href="../.resources/report.gif" type="image/gif"/><title>MtasPayloadDecoder.java</title><link rel="stylesheet" href="../.resources/prettify.css" type="text/css"/><script type="text/javascript" src="../.resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../.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">MtasPayloadDecoder.java</span></div><h1>MtasPayloadDecoder.java</h1><pre class="source lang-java linenums">package mtas.codec.payload;
import java.io.IOException;
import java.util.TreeSet;
import mtas.analysis.token.MtasOffset;
import mtas.analysis.token.MtasPosition;
/**
* The Class MtasPayloadDecoder.
*/
<span class="fc" id="L12">public class MtasPayloadDecoder {</span>
/** The byte stream. */
private MtasBitInputStream byteStream;
/** The mtas position. */
private MtasPosition mtasPosition;
/** The mtas start position. */
private int mtasStartPosition;
/** The mtas positions. */
private TreeSet<Integer> mtasPositions;
/** The mtas id. */
<span class="fc" id="L27"> private Integer mtasId = null;</span>
/** The mtas payload value. */
<span class="fc" id="L30"> private byte[] mtasPayloadValue = null;</span>
/** The mtas parent id. */
<span class="fc" id="L33"> private Integer mtasParentId = null;</span>
/** The mtas payload. */
<span class="fc" id="L36"> private Boolean mtasPayload = null;</span>
/** The mtas parent. */
<span class="fc" id="L39"> private Boolean mtasParent = null;</span>
/** The mtas position type. */
<span class="fc" id="L42"> private String mtasPositionType = null;</span>
/** The mtas offset. */
private MtasOffset mtasOffset;
/** The mtas real offset. */
private MtasOffset mtasRealOffset;
/**
* Inits the.
*
* @param startPosition
* the start position
* @param payload
* the payload
* @throws IOException
* Signals that an I/O exception has occurred.
*/
public void init(int startPosition, byte[] payload) throws IOException {
<span class="fc" id="L63"> byteStream = new MtasBitInputStream(payload);</span>
<span class="fc" id="L64"> mtasStartPosition = startPosition;</span>
// analyse initial bits - position
Boolean getOffset;
Boolean getRealOffset;
<span class="fc bfc" id="L68" title="All 2 branches covered."> if (byteStream.readBit() == 1) {</span>
<span class="pc bpc" id="L69" title="1 of 2 branches missed."> if (byteStream.readBit() == 1) {</span>
<span class="nc" id="L70"> mtasPositionType = null;</span>
} else {
<span class="fc" id="L72"> mtasPositionType = MtasPosition.POSITION_RANGE;</span>
}
} else {
<span class="fc bfc" id="L75" title="All 2 branches covered."> if (byteStream.readBit() == 1) {</span>
<span class="fc" id="L76"> mtasPositionType = MtasPosition.POSITION_SET;</span>
} else {
<span class="fc" id="L78"> mtasPositionType = MtasPosition.POSITION_SINGLE;</span>
}
}
// analyze initial bits - offset
<span class="pc bpc" id="L82" title="1 of 2 branches missed."> if (byteStream.readBit() == 1) {</span>
<span class="nc" id="L83"> getOffset = true;</span>
} else {
<span class="fc" id="L85"> getOffset = false;</span>
}
// analyze initial bits - realOffset
<span class="pc bpc" id="L88" title="1 of 2 branches missed."> if (byteStream.readBit() == 1) {</span>
<span class="nc" id="L89"> getRealOffset = true;</span>
} else {
<span class="fc" id="L91"> getRealOffset = false;</span>
}
// analyze initial bits - parent
<span class="fc bfc" id="L94" title="All 2 branches covered."> if (byteStream.readBit() == 1) {</span>
<span class="fc" id="L95"> mtasParent = true;</span>
} else {
<span class="fc" id="L97"> mtasParent = false;</span>
}
// analyse initial bits - payload
<span class="pc bpc" id="L100" title="1 of 2 branches missed."> if (byteStream.readBit() == 1) {</span>
<span class="nc" id="L101"> mtasPayload = true;</span>
} else {
<span class="fc" id="L103"> mtasPayload = false;</span>
}
<span class="pc bpc" id="L105" title="1 of 2 branches missed."> if (byteStream.readBit() == 0) {</span>
// string
} else {
// other
}
// get id
<span class="fc" id="L111"> mtasId = byteStream.readEliasGammaCodingNonNegativeInteger();</span>
// get position info
<span class="pc bpc" id="L113" title="1 of 4 branches missed."> if (mtasPositionType!=null && mtasPositionType.equals(MtasPosition.POSITION_SINGLE)) {</span>
<span class="fc" id="L114"> mtasPosition = new MtasPosition(mtasStartPosition);</span>
<span class="pc bpc" id="L115" title="1 of 4 branches missed."> } else if (mtasPositionType!=null && mtasPositionType.equals(MtasPosition.POSITION_RANGE)) {</span>
<span class="fc" id="L116"> mtasPosition = new MtasPosition(mtasStartPosition, (mtasStartPosition</span>
<span class="fc" id="L117"> + byteStream.readEliasGammaCodingPositiveInteger() - 1));</span>
<span class="pc bpc" id="L118" title="2 of 4 branches missed."> } else if (mtasPositionType!=null && mtasPositionType.equals(MtasPosition.POSITION_SET)) {</span>
<span class="fc" id="L119"> mtasPositions = new TreeSet<>();</span>
<span class="fc" id="L120"> mtasPositions.add(mtasStartPosition);</span>
<span class="fc" id="L121"> int numberOfPoints = byteStream.readEliasGammaCodingPositiveInteger();</span>
<span class="fc" id="L122"> int[] positionList = new int[numberOfPoints];</span>
<span class="fc" id="L123"> positionList[0] = mtasStartPosition;</span>
<span class="fc" id="L124"> int previousPosition = 0;</span>
<span class="fc" id="L125"> int currentPosition = mtasStartPosition;</span>
<span class="fc bfc" id="L126" title="All 2 branches covered."> for (int i = 1; i < numberOfPoints; i++) {</span>
<span class="fc" id="L127"> previousPosition = currentPosition;</span>
<span class="fc" id="L128"> currentPosition = previousPosition</span>
<span class="fc" id="L129"> + byteStream.readEliasGammaCodingPositiveInteger();</span>
<span class="fc" id="L130"> positionList[i] = currentPosition;</span>
}
<span class="fc" id="L132"> mtasPosition = new MtasPosition(positionList);</span>
<span class="fc" id="L133"> } else {</span>
<span class="nc" id="L134"> mtasPosition = null;</span>
}
// get offset and realOffset info
<span class="pc bpc" id="L137" title="1 of 2 branches missed."> if (getOffset) {</span>
<span class="nc" id="L138"> int offsetStart = byteStream.readEliasGammaCodingNonNegativeInteger();</span>
<span class="nc" id="L139"> int offsetEnd = offsetStart</span>
<span class="nc" id="L140"> + byteStream.readEliasGammaCodingPositiveInteger() - 1;</span>
<span class="nc" id="L141"> mtasOffset = new MtasOffset(offsetStart, offsetEnd);</span>
<span class="nc bnc" id="L142" title="All 2 branches missed."> if (getRealOffset) {</span>
<span class="nc" id="L143"> int realOffsetStart = byteStream.readEliasGammaCodingInteger()</span>
+ offsetStart;
<span class="nc" id="L145"> int realOffsetEnd = realOffsetStart</span>
<span class="nc" id="L146"> + byteStream.readEliasGammaCodingPositiveInteger() - 1;</span>
<span class="nc" id="L147"> mtasRealOffset = new MtasOffset(realOffsetStart, realOffsetEnd);</span>
}
<span class="pc bpc" id="L149" title="1 of 2 branches missed."> } else if (getRealOffset) {</span>
<span class="nc" id="L150"> int realOffsetStart = byteStream.readEliasGammaCodingNonNegativeInteger();</span>
<span class="nc" id="L151"> int realOffsetEnd = realOffsetStart</span>
<span class="nc" id="L152"> + byteStream.readEliasGammaCodingPositiveInteger() - 1;</span>
<span class="nc" id="L153"> mtasRealOffset = new MtasOffset(realOffsetStart, realOffsetEnd);</span>
}
<span class="fc bfc" id="L155" title="All 2 branches covered."> if (mtasParent) {</span>
<span class="fc" id="L156"> mtasParentId = byteStream.readEliasGammaCodingInteger() + mtasId;</span>
}
<span class="pc bpc" id="L158" title="1 of 2 branches missed."> if (mtasPayload) {</span>
<span class="nc" id="L159"> mtasPayloadValue = byteStream.readRemainingBytes();</span>
}
<span class="fc" id="L161"> }</span>
/**
* Gets the mtas id.
*
* @return the mtas id
*/
public Integer getMtasId() {
<span class="fc" id="L169"> return mtasId;</span>
}
/**
* Gets the mtas parent id.
*
* @return the mtas parent id
*/
public Integer getMtasParentId() {
<span class="fc" id="L178"> return mtasParentId;</span>
}
/**
* Gets the mtas payload.
*
* @return the mtas payload
*/
public byte[] getMtasPayload() {
<span class="pc bpc" id="L187" title="1 of 2 branches missed."> return mtasPayload ? mtasPayloadValue : null;</span>
}
/**
* Gets the mtas position.
*
* @return the mtas position
*/
public MtasPosition getMtasPosition() {
<span class="fc" id="L196"> return mtasPosition;</span>
}
/**
* Gets the mtas offset.
*
* @return the mtas offset
*/
public MtasOffset getMtasOffset() {
<span class="fc" id="L205"> return mtasOffset;</span>
}
/**
* Gets the mtas real offset.
*
* @return the mtas real offset
*/
public MtasOffset getMtasRealOffset() {
<span class="fc" id="L214"> return mtasRealOffset;</span>
}
}
</pre><div class="footer"><span class="right">Created with <a href="http://www.eclemma.org/jacoco">JaCoCo</a> 0.7.5.201505241946</span></div></body></html>