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Posted to notifications@commons.apache.org by bo...@apache.org on 2017/02/04 16:19:38 UTC
svn commit: r1006212 [16/16] - in
/websites/production/commons/content/proper/commons-compress: ./
apidocs/org/apache/commons/compress/compressors/lz4/
apidocs/org/apache/commons/compress/compressors/snappy/
apidocs/src-html/org/apache/commons/compress...
Modified: websites/production/commons/content/proper/commons-compress/xref/org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html
==============================================================================
--- websites/production/commons/content/proper/commons-compress/xref/org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html (original)
+++ websites/production/commons/content/proper/commons-compress/xref/org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html Sat Feb 4 16:19:37 2017
@@ -31,268 +31,267 @@
<a class="jxr_linenumber" name="L23" href="#L23">23</a>
<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> org.apache.commons.compress.compressors.lz77support.AbstractLZ77CompressorInputStream;
<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.apache.commons.compress.utils.ByteUtils;
-<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.apache.commons.compress.utils.IOUtils;
-<a class="jxr_linenumber" name="L27" href="#L27">27</a>
-<a class="jxr_linenumber" name="L28" href="#L28">28</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment"> * CompressorInputStream for the raw Snappy format.</em>
-<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * <p>This implementation uses an internal buffer in order to handle</em>
-<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * the back-references that are at the heart of the LZ77 algorithm.</em>
-<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * The size of the buffer must be at least as big as the biggest</em>
-<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * offset used in the compressed stream. The current version of the</em>
-<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * Snappy algorithm as defined by Google works on 32k blocks and</em>
-<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * doesn't contain offsets bigger than 32k which is the default block</em>
-<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> * size used by this class.</p></em>
-<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * @see <a href="https://github.com/google/snappy/blob/master/format_description.txt">Snappy compressed format description</a></em>
-<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * @since 1.7</em>
-<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L42" href="#L42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">SnappyCompressorInputStream</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz77support/AbstractLZ77CompressorInputStream.html">AbstractLZ77CompressorInputStream</a> {
-<a class="jxr_linenumber" name="L43" href="#L43">43</a>
-<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment">/** Mask used to determine the type of "tag" is being processed */</em>
-<a class="jxr_linenumber" name="L45" href="#L45">45</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> TAG_MASK = 0x03;
-<a class="jxr_linenumber" name="L46" href="#L46">46</a>
-<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment">/** Default block size */</em>
-<a class="jxr_linenumber" name="L48" href="#L48">48</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_BLOCK_SIZE = 32768;
-<a class="jxr_linenumber" name="L49" href="#L49">49</a>
-<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment">/** The size of the uncompressed data */</em>
-<a class="jxr_linenumber" name="L51" href="#L51">51</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size;
-<a class="jxr_linenumber" name="L52" href="#L52">52</a>
-<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment">/** Number of uncompressed bytes still to be read. */</em>
-<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> uncompressedBytesRemaining;
-<a class="jxr_linenumber" name="L55" href="#L55">55</a>
-<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment">/** Current state of the stream */</em>
-<a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">State</a> state = State.NO_BLOCK;
-<a class="jxr_linenumber" name="L58" href="#L58">58</a>
-<a class="jxr_linenumber" name="L59" href="#L59">59</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> endReached = false;
-<a class="jxr_linenumber" name="L60" href="#L60">60</a>
-<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * Constructor using the default buffer size of 32k.</em>
-<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * </em>
-<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * @param is</em>
-<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> * An InputStream to read compressed data from</em>
-<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> * </em>
-<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment"> * @throws IOException if reading fails</em>
-<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L69" href="#L69">69</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">SnappyCompressorInputStream</a>(<strong class="jxr_keyword">final</strong> InputStream is) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">this</strong>(is, DEFAULT_BLOCK_SIZE);
-<a class="jxr_linenumber" name="L71" href="#L71">71</a> }
-<a class="jxr_linenumber" name="L72" href="#L72">72</a>
-<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * Constructor using a configurable buffer size.</em>
-<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> * </em>
-<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment"> * @param is</em>
-<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment"> * An InputStream to read compressed data from</em>
-<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_javadoccomment"> * @param blockSize</em>
-<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_javadoccomment"> * The block size used in compression</em>
-<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment"> * </em>
-<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_javadoccomment"> * @throws IOException if reading fails</em>
-<a class="jxr_linenumber" name="L82" href="#L82">82</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">SnappyCompressorInputStream</a>(<strong class="jxr_keyword">final</strong> InputStream is, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> blockSize)
-<a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L85" href="#L85">85</a> <strong class="jxr_keyword">super</strong>(is, blockSize);
-<a class="jxr_linenumber" name="L86" href="#L86">86</a> uncompressedBytesRemaining = size = (<strong class="jxr_keyword">int</strong>) readSize();
-<a class="jxr_linenumber" name="L87" href="#L87">87</a> }
-<a class="jxr_linenumber" name="L88" href="#L88">88</a>
-<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
-<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L92" href="#L92">92</a> @Override
-<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> read(<strong class="jxr_keyword">final</strong> byte[] b, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> off, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> len) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong class="jxr_keyword">if</strong> (endReached) {
-<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong class="jxr_keyword">return</strong> -1;
-<a class="jxr_linenumber" name="L96" href="#L96">96</a> }
-<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong class="jxr_keyword">switch</strong> (state) {
-<a class="jxr_linenumber" name="L98" href="#L98">98</a> <strong class="jxr_keyword">case</strong> NO_BLOCK:
-<a class="jxr_linenumber" name="L99" href="#L99">99</a> fill(len);
-<a class="jxr_linenumber" name="L100" href="#L100">100</a> <strong class="jxr_keyword">return</strong> read(b, off, len);
-<a class="jxr_linenumber" name="L101" href="#L101">101</a> <strong class="jxr_keyword">case</strong> IN_LITERAL:
-<a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">int</strong> litLen = readLiteral(b, off, len);
-<a class="jxr_linenumber" name="L103" href="#L103">103</a> <strong class="jxr_keyword">if</strong> (!hasMoreDataInBlock()) {
-<a class="jxr_linenumber" name="L104" href="#L104">104</a> state = State.NO_BLOCK;
-<a class="jxr_linenumber" name="L105" href="#L105">105</a> }
-<a class="jxr_linenumber" name="L106" href="#L106">106</a> <strong class="jxr_keyword">return</strong> litLen;
-<a class="jxr_linenumber" name="L107" href="#L107">107</a> <strong class="jxr_keyword">case</strong> IN_BACK_REFERENCE:
-<a class="jxr_linenumber" name="L108" href="#L108">108</a> <strong class="jxr_keyword">int</strong> backReferenceLen = readBackReference(b, off, len);
-<a class="jxr_linenumber" name="L109" href="#L109">109</a> <strong class="jxr_keyword">if</strong> (!hasMoreDataInBlock()) {
-<a class="jxr_linenumber" name="L110" href="#L110">110</a> state = State.NO_BLOCK;
-<a class="jxr_linenumber" name="L111" href="#L111">111</a> }
-<a class="jxr_linenumber" name="L112" href="#L112">112</a> <strong class="jxr_keyword">return</strong> backReferenceLen;
-<a class="jxr_linenumber" name="L113" href="#L113">113</a> <strong class="jxr_keyword">default</strong>:
-<a class="jxr_linenumber" name="L114" href="#L114">114</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Unknown stream state "</span> + state);
-<a class="jxr_linenumber" name="L115" href="#L115">115</a> }
-<a class="jxr_linenumber" name="L116" href="#L116">116</a> }
-<a class="jxr_linenumber" name="L117" href="#L117">117</a>
-<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment"> * Try to fill the buffer with enough bytes to satisfy the current</em>
-<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em class="jxr_javadoccomment"> * read request.</em>
-<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> * @param len the number of uncompressed bytes to read</em>
-<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L124" href="#L124">124</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> fill(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> len) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L125" href="#L125">125</a> <strong class="jxr_keyword">if</strong> (uncompressedBytesRemaining == 0) {
-<a class="jxr_linenumber" name="L126" href="#L126">126</a> endReached = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L127" href="#L127">127</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="L128" href="#L128">128</a> }
-<a class="jxr_linenumber" name="L129" href="#L129">129</a>
-<a class="jxr_linenumber" name="L130" href="#L130">130</a> <strong class="jxr_keyword">int</strong> b = readOneByte();
-<a class="jxr_linenumber" name="L131" href="#L131">131</a> <strong class="jxr_keyword">if</strong> (b == -1) {
-<a class="jxr_linenumber" name="L132" href="#L132">132</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Premature end of stream reading block start"</span>);
-<a class="jxr_linenumber" name="L133" href="#L133">133</a> }
-<a class="jxr_linenumber" name="L134" href="#L134">134</a> <strong class="jxr_keyword">int</strong> length = 0;
-<a class="jxr_linenumber" name="L135" href="#L135">135</a> <strong class="jxr_keyword">int</strong> offset = 0;
+<a class="jxr_linenumber" name="L26" href="#L26">26</a>
+<a class="jxr_linenumber" name="L27" href="#L27">27</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L28" href="#L28">28</a> <em class="jxr_javadoccomment"> * CompressorInputStream for the raw Snappy format.</em>
+<a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> * <p>This implementation uses an internal buffer in order to handle</em>
+<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> * the back-references that are at the heart of the LZ77 algorithm.</em>
+<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * The size of the buffer must be at least as big as the biggest</em>
+<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> * offset used in the compressed stream. The current version of the</em>
+<a class="jxr_linenumber" name="L34" href="#L34">34</a> <em class="jxr_javadoccomment"> * Snappy algorithm as defined by Google works on 32k blocks and</em>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a> <em class="jxr_javadoccomment"> * doesn't contain offsets bigger than 32k which is the default block</em>
+<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_javadoccomment"> * size used by this class.</p></em>
+<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * @see <a href="https://github.com/google/snappy/blob/master/format_description.txt">Snappy compressed format description</a></em>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> * @since 1.7</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">SnappyCompressorInputStream</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/commons/compress/compressors/lz77support/AbstractLZ77CompressorInputStream.html">AbstractLZ77CompressorInputStream</a> {
+<a class="jxr_linenumber" name="L42" href="#L42">42</a>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment">/** Mask used to determine the type of "tag" is being processed */</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> TAG_MASK = 0x03;
+<a class="jxr_linenumber" name="L45" href="#L45">45</a>
+<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment">/** Default block size */</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_BLOCK_SIZE = 32768;
+<a class="jxr_linenumber" name="L48" href="#L48">48</a>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment">/** The size of the uncompressed data */</em>
+<a class="jxr_linenumber" name="L50" href="#L50">50</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size;
+<a class="jxr_linenumber" name="L51" href="#L51">51</a>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment">/** Number of uncompressed bytes still to be read. */</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> uncompressedBytesRemaining;
+<a class="jxr_linenumber" name="L54" href="#L54">54</a>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em class="jxr_javadoccomment">/** Current state of the stream */</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">State</a> state = State.NO_BLOCK;
+<a class="jxr_linenumber" name="L57" href="#L57">57</a>
+<a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> endReached = false;
+<a class="jxr_linenumber" name="L59" href="#L59">59</a>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_javadoccomment"> * Constructor using the default buffer size of 32k.</em>
+<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em class="jxr_javadoccomment"> * </em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment"> * @param is</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_javadoccomment"> * An InputStream to read compressed data from</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_javadoccomment"> * </em>
+<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment"> * @throws IOException if reading fails</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L68" href="#L68">68</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">SnappyCompressorInputStream</a>(<strong class="jxr_keyword">final</strong> InputStream is) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> <strong class="jxr_keyword">this</strong>(is, DEFAULT_BLOCK_SIZE);
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> }
+<a class="jxr_linenumber" name="L71" href="#L71">71</a>
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> * Constructor using a configurable buffer size.</em>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * </em>
+<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> * @param is</em>
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_javadoccomment"> * An InputStream to read compressed data from</em>
+<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_javadoccomment"> * @param blockSize</em>
+<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_javadoccomment"> * The block size used in compression</em>
+<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_javadoccomment"> * </em>
+<a class="jxr_linenumber" name="L80" href="#L80">80</a> <em class="jxr_javadoccomment"> * @throws IOException if reading fails</em>
+<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L82" href="#L82">82</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">SnappyCompressorInputStream</a>(<strong class="jxr_keyword">final</strong> InputStream is, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> blockSize)
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">super</strong>(is, blockSize);
+<a class="jxr_linenumber" name="L85" href="#L85">85</a> uncompressedBytesRemaining = size = (<strong class="jxr_keyword">int</strong>) readSize();
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> }
+<a class="jxr_linenumber" name="L87" href="#L87">87</a>
+<a class="jxr_linenumber" name="L88" href="#L88">88</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em class="jxr_javadoccomment"> * {@inheritDoc}</em>
+<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L91" href="#L91">91</a> @Override
+<a class="jxr_linenumber" name="L92" href="#L92">92</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> read(<strong class="jxr_keyword">final</strong> byte[] b, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> off, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> len) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">if</strong> (endReached) {
+<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong class="jxr_keyword">return</strong> -1;
+<a class="jxr_linenumber" name="L95" href="#L95">95</a> }
+<a class="jxr_linenumber" name="L96" href="#L96">96</a> <strong class="jxr_keyword">switch</strong> (state) {
+<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong class="jxr_keyword">case</strong> NO_BLOCK:
+<a class="jxr_linenumber" name="L98" href="#L98">98</a> fill();
+<a class="jxr_linenumber" name="L99" href="#L99">99</a> <strong class="jxr_keyword">return</strong> read(b, off, len);
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <strong class="jxr_keyword">case</strong> IN_LITERAL:
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> <strong class="jxr_keyword">int</strong> litLen = readLiteral(b, off, len);
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">if</strong> (!hasMoreDataInBlock()) {
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> state = State.NO_BLOCK;
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> }
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> <strong class="jxr_keyword">return</strong> litLen;
+<a class="jxr_linenumber" name="L106" href="#L106">106</a> <strong class="jxr_keyword">case</strong> IN_BACK_REFERENCE:
+<a class="jxr_linenumber" name="L107" href="#L107">107</a> <strong class="jxr_keyword">int</strong> backReferenceLen = readBackReference(b, off, len);
+<a class="jxr_linenumber" name="L108" href="#L108">108</a> <strong class="jxr_keyword">if</strong> (!hasMoreDataInBlock()) {
+<a class="jxr_linenumber" name="L109" href="#L109">109</a> state = State.NO_BLOCK;
+<a class="jxr_linenumber" name="L110" href="#L110">110</a> }
+<a class="jxr_linenumber" name="L111" href="#L111">111</a> <strong class="jxr_keyword">return</strong> backReferenceLen;
+<a class="jxr_linenumber" name="L112" href="#L112">112</a> <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Unknown stream state "</span> + state);
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> }
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> }
+<a class="jxr_linenumber" name="L116" href="#L116">116</a>
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> <em class="jxr_javadoccomment"> * Try to fill the buffer with the next block of data.</em>
+<a class="jxr_linenumber" name="L119" href="#L119">119</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> fill() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L121" href="#L121">121</a> <strong class="jxr_keyword">if</strong> (uncompressedBytesRemaining == 0) {
+<a class="jxr_linenumber" name="L122" href="#L122">122</a> endReached = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="L124" href="#L124">124</a> }
+<a class="jxr_linenumber" name="L125" href="#L125">125</a>
+<a class="jxr_linenumber" name="L126" href="#L126">126</a> <strong class="jxr_keyword">int</strong> b = readOneByte();
+<a class="jxr_linenumber" name="L127" href="#L127">127</a> <strong class="jxr_keyword">if</strong> (b == -1) {
+<a class="jxr_linenumber" name="L128" href="#L128">128</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Premature end of stream reading block start"</span>);
+<a class="jxr_linenumber" name="L129" href="#L129">129</a> }
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> <strong class="jxr_keyword">int</strong> length = 0;
+<a class="jxr_linenumber" name="L131" href="#L131">131</a> <strong class="jxr_keyword">int</strong> offset = 0;
+<a class="jxr_linenumber" name="L132" href="#L132">132</a>
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> <strong class="jxr_keyword">switch</strong> (b & TAG_MASK) {
+<a class="jxr_linenumber" name="L134" href="#L134">134</a>
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> <strong class="jxr_keyword">case</strong> 0x00:
<a class="jxr_linenumber" name="L136" href="#L136">136</a>
-<a class="jxr_linenumber" name="L137" href="#L137">137</a> <strong class="jxr_keyword">switch</strong> (b & TAG_MASK) {
-<a class="jxr_linenumber" name="L138" href="#L138">138</a>
-<a class="jxr_linenumber" name="L139" href="#L139">139</a> <strong class="jxr_keyword">case</strong> 0x00:
-<a class="jxr_linenumber" name="L140" href="#L140">140</a>
-<a class="jxr_linenumber" name="L141" href="#L141">141</a> length = readLiteralLength(b);
-<a class="jxr_linenumber" name="L142" href="#L142">142</a> uncompressedBytesRemaining -= length;
-<a class="jxr_linenumber" name="L143" href="#L143">143</a> startLiteral(length);
-<a class="jxr_linenumber" name="L144" href="#L144">144</a> state = State.IN_LITERAL;
-<a class="jxr_linenumber" name="L145" href="#L145">145</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L146" href="#L146">146</a>
-<a class="jxr_linenumber" name="L147" href="#L147">147</a> <strong class="jxr_keyword">case</strong> 0x01:
-<a class="jxr_linenumber" name="L148" href="#L148">148</a>
-<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_comment"> * These elements can encode lengths between [4..11] bytes and</em>
-<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_comment"> * offsets between [0..2047] bytes. (len-4) occupies three bits</em>
-<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_comment"> * and is stored in bits [2..4] of the tag byte. The offset</em>
-<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_comment"> * occupies 11 bits, of which the upper three are stored in the</em>
-<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_comment"> * upper three bits ([5..7]) of the tag byte, and the lower</em>
-<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_comment"> * eight are stored in a byte following the tag byte.</em>
-<a class="jxr_linenumber" name="L156" href="#L156">156</a> <em class="jxr_comment"> */</em>
-<a class="jxr_linenumber" name="L157" href="#L157">157</a>
-<a class="jxr_linenumber" name="L158" href="#L158">158</a> length = 4 + ((b >> 2) & 0x07);
-<a class="jxr_linenumber" name="L159" href="#L159">159</a> uncompressedBytesRemaining -= length;
-<a class="jxr_linenumber" name="L160" href="#L160">160</a> offset = (b & 0xE0) << 3;
-<a class="jxr_linenumber" name="L161" href="#L161">161</a> b = readOneByte();
-<a class="jxr_linenumber" name="L162" href="#L162">162</a> <strong class="jxr_keyword">if</strong> (b == -1) {
-<a class="jxr_linenumber" name="L163" href="#L163">163</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Premature end of stream reading back-reference length"</span>);
-<a class="jxr_linenumber" name="L164" href="#L164">164</a> }
-<a class="jxr_linenumber" name="L165" href="#L165">165</a> offset |= b;
+<a class="jxr_linenumber" name="L137" href="#L137">137</a> length = readLiteralLength(b);
+<a class="jxr_linenumber" name="L138" href="#L138">138</a> uncompressedBytesRemaining -= length;
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> startLiteral(length);
+<a class="jxr_linenumber" name="L140" href="#L140">140</a> state = State.IN_LITERAL;
+<a class="jxr_linenumber" name="L141" href="#L141">141</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L142" href="#L142">142</a>
+<a class="jxr_linenumber" name="L143" href="#L143">143</a> <strong class="jxr_keyword">case</strong> 0x01:
+<a class="jxr_linenumber" name="L144" href="#L144">144</a>
+<a class="jxr_linenumber" name="L145" href="#L145">145</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em class="jxr_comment"> * These elements can encode lengths between [4..11] bytes and</em>
+<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_comment"> * offsets between [0..2047] bytes. (len-4) occupies three bits</em>
+<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em class="jxr_comment"> * and is stored in bits [2..4] of the tag byte. The offset</em>
+<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em class="jxr_comment"> * occupies 11 bits, of which the upper three are stored in the</em>
+<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em class="jxr_comment"> * upper three bits ([5..7]) of the tag byte, and the lower</em>
+<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_comment"> * eight are stored in a byte following the tag byte.</em>
+<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="L153" href="#L153">153</a>
+<a class="jxr_linenumber" name="L154" href="#L154">154</a> length = 4 + ((b >> 2) & 0x07);
+<a class="jxr_linenumber" name="L155" href="#L155">155</a> uncompressedBytesRemaining -= length;
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> offset = (b & 0xE0) << 3;
+<a class="jxr_linenumber" name="L157" href="#L157">157</a> b = readOneByte();
+<a class="jxr_linenumber" name="L158" href="#L158">158</a> <strong class="jxr_keyword">if</strong> (b == -1) {
+<a class="jxr_linenumber" name="L159" href="#L159">159</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Premature end of stream reading back-reference length"</span>);
+<a class="jxr_linenumber" name="L160" href="#L160">160</a> }
+<a class="jxr_linenumber" name="L161" href="#L161">161</a> offset |= b;
+<a class="jxr_linenumber" name="L162" href="#L162">162</a>
+<a class="jxr_linenumber" name="L163" href="#L163">163</a> startBackReference(offset, length);
+<a class="jxr_linenumber" name="L164" href="#L164">164</a> state = State.IN_BACK_REFERENCE;
+<a class="jxr_linenumber" name="L165" href="#L165">165</a> <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="L166" href="#L166">166</a>
-<a class="jxr_linenumber" name="L167" href="#L167">167</a> startBackReference(offset, length);
-<a class="jxr_linenumber" name="L168" href="#L168">168</a> state = State.IN_BACK_REFERENCE;
-<a class="jxr_linenumber" name="L169" href="#L169">169</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L170" href="#L170">170</a>
-<a class="jxr_linenumber" name="L171" href="#L171">171</a> <strong class="jxr_keyword">case</strong> 0x02:
-<a class="jxr_linenumber" name="L172" href="#L172">172</a>
-<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_comment"> * These elements can encode lengths between [1..64] and offsets</em>
-<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_comment"> * from [0..65535]. (len-1) occupies six bits and is stored in</em>
-<a class="jxr_linenumber" name="L176" href="#L176">176</a> <em class="jxr_comment"> * the upper six bits ([2..7]) of the tag byte. The offset is</em>
-<a class="jxr_linenumber" name="L177" href="#L177">177</a> <em class="jxr_comment"> * stored as a little-endian 16-bit integer in the two bytes</em>
-<a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_comment"> * following the tag byte.</em>
-<a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_comment"> */</em>
-<a class="jxr_linenumber" name="L180" href="#L180">180</a>
-<a class="jxr_linenumber" name="L181" href="#L181">181</a> length = (b >> 2) + 1;
-<a class="jxr_linenumber" name="L182" href="#L182">182</a> uncompressedBytesRemaining -= length;
-<a class="jxr_linenumber" name="L183" href="#L183">183</a>
-<a class="jxr_linenumber" name="L184" href="#L184">184</a> offset = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 2);
+<a class="jxr_linenumber" name="L167" href="#L167">167</a> <strong class="jxr_keyword">case</strong> 0x02:
+<a class="jxr_linenumber" name="L168" href="#L168">168</a>
+<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em class="jxr_comment"> * These elements can encode lengths between [1..64] and offsets</em>
+<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em class="jxr_comment"> * from [0..65535]. (len-1) occupies six bits and is stored in</em>
+<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em class="jxr_comment"> * the upper six bits ([2..7]) of the tag byte. The offset is</em>
+<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em class="jxr_comment"> * stored as a little-endian 16-bit integer in the two bytes</em>
+<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_comment"> * following the tag byte.</em>
+<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="L176" href="#L176">176</a>
+<a class="jxr_linenumber" name="L177" href="#L177">177</a> length = (b >> 2) + 1;
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> uncompressedBytesRemaining -= length;
+<a class="jxr_linenumber" name="L179" href="#L179">179</a>
+<a class="jxr_linenumber" name="L180" href="#L180">180</a> offset = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 2);
+<a class="jxr_linenumber" name="L181" href="#L181">181</a>
+<a class="jxr_linenumber" name="L182" href="#L182">182</a> startBackReference(offset, length);
+<a class="jxr_linenumber" name="L183" href="#L183">183</a> state = State.IN_BACK_REFERENCE;
+<a class="jxr_linenumber" name="L184" href="#L184">184</a> <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="L185" href="#L185">185</a>
-<a class="jxr_linenumber" name="L186" href="#L186">186</a> startBackReference(offset, length);
-<a class="jxr_linenumber" name="L187" href="#L187">187</a> state = State.IN_BACK_REFERENCE;
-<a class="jxr_linenumber" name="L188" href="#L188">188</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L189" href="#L189">189</a>
-<a class="jxr_linenumber" name="L190" href="#L190">190</a> <strong class="jxr_keyword">case</strong> 0x03:
-<a class="jxr_linenumber" name="L191" href="#L191">191</a>
-<a class="jxr_linenumber" name="L192" href="#L192">192</a> <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="L193" href="#L193">193</a> <em class="jxr_comment"> * These are like the copies with 2-byte offsets (see previous</em>
-<a class="jxr_linenumber" name="L194" href="#L194">194</a> <em class="jxr_comment"> * subsection), except that the offset is stored as a 32-bit</em>
-<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em class="jxr_comment"> * integer instead of a 16-bit integer (and thus will occupy</em>
-<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_comment"> * four bytes).</em>
-<a class="jxr_linenumber" name="L197" href="#L197">197</a> <em class="jxr_comment"> */</em>
-<a class="jxr_linenumber" name="L198" href="#L198">198</a>
-<a class="jxr_linenumber" name="L199" href="#L199">199</a> length = (b >> 2) + 1;
-<a class="jxr_linenumber" name="L200" href="#L200">200</a> uncompressedBytesRemaining -= length;
-<a class="jxr_linenumber" name="L201" href="#L201">201</a>
-<a class="jxr_linenumber" name="L202" href="#L202">202</a> offset = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 4) & 0x7fffffff;
-<a class="jxr_linenumber" name="L203" href="#L203">203</a>
-<a class="jxr_linenumber" name="L204" href="#L204">204</a> startBackReference(offset, length);
-<a class="jxr_linenumber" name="L205" href="#L205">205</a> state = State.IN_BACK_REFERENCE;
-<a class="jxr_linenumber" name="L206" href="#L206">206</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L207" href="#L207">207</a> }
-<a class="jxr_linenumber" name="L208" href="#L208">208</a> }
-<a class="jxr_linenumber" name="L209" href="#L209">209</a>
-<a class="jxr_linenumber" name="L210" href="#L210">210</a> <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="L211" href="#L211">211</a> <em class="jxr_comment"> * For literals up to and including 60 bytes in length, the</em>
-<a class="jxr_linenumber" name="L212" href="#L212">212</a> <em class="jxr_comment"> * upper six bits of the tag byte contain (len-1). The literal</em>
-<a class="jxr_linenumber" name="L213" href="#L213">213</a> <em class="jxr_comment"> * follows immediately thereafter in the bytestream. - For</em>
-<a class="jxr_linenumber" name="L214" href="#L214">214</a> <em class="jxr_comment"> * longer literals, the (len-1) value is stored after the tag</em>
-<a class="jxr_linenumber" name="L215" href="#L215">215</a> <em class="jxr_comment"> * byte, little-endian. The upper six bits of the tag byte</em>
-<a class="jxr_linenumber" name="L216" href="#L216">216</a> <em class="jxr_comment"> * describe how many bytes are used for the length; 60, 61, 62</em>
-<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em class="jxr_comment"> * or 63 for 1-4 bytes, respectively. The literal itself follows</em>
-<a class="jxr_linenumber" name="L218" href="#L218">218</a> <em class="jxr_comment"> * after the length.</em>
-<a class="jxr_linenumber" name="L219" href="#L219">219</a> <em class="jxr_comment"> */</em>
-<a class="jxr_linenumber" name="L220" href="#L220">220</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> readLiteralLength(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> b) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L221" href="#L221">221</a> <strong class="jxr_keyword">int</strong> length;
-<a class="jxr_linenumber" name="L222" href="#L222">222</a> <strong class="jxr_keyword">switch</strong> (b >> 2) {
-<a class="jxr_linenumber" name="L223" href="#L223">223</a> <strong class="jxr_keyword">case</strong> 60:
-<a class="jxr_linenumber" name="L224" href="#L224">224</a> length = readOneByte();
-<a class="jxr_linenumber" name="L225" href="#L225">225</a> <strong class="jxr_keyword">if</strong> (length == -1) {
-<a class="jxr_linenumber" name="L226" href="#L226">226</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Premature end of stream reading literal length"</span>);
-<a class="jxr_linenumber" name="L227" href="#L227">227</a> }
-<a class="jxr_linenumber" name="L228" href="#L228">228</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L229" href="#L229">229</a> <strong class="jxr_keyword">case</strong> 61:
-<a class="jxr_linenumber" name="L230" href="#L230">230</a> length = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 2);
-<a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L232" href="#L232">232</a> <strong class="jxr_keyword">case</strong> 62:
-<a class="jxr_linenumber" name="L233" href="#L233">233</a> length = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 3);
-<a class="jxr_linenumber" name="L234" href="#L234">234</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L235" href="#L235">235</a> <strong class="jxr_keyword">case</strong> 63:
-<a class="jxr_linenumber" name="L236" href="#L236">236</a> length = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 4);
-<a class="jxr_linenumber" name="L237" href="#L237">237</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L238" href="#L238">238</a> <strong class="jxr_keyword">default</strong>:
-<a class="jxr_linenumber" name="L239" href="#L239">239</a> length = b >> 2;
-<a class="jxr_linenumber" name="L240" href="#L240">240</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L241" href="#L241">241</a> }
-<a class="jxr_linenumber" name="L242" href="#L242">242</a>
-<a class="jxr_linenumber" name="L243" href="#L243">243</a> <strong class="jxr_keyword">return</strong> length + 1;
-<a class="jxr_linenumber" name="L244" href="#L244">244</a> }
-<a class="jxr_linenumber" name="L245" href="#L245">245</a>
-<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L247" href="#L247">247</a> <em class="jxr_javadoccomment"> * The stream starts with the uncompressed length (up to a maximum of 2^32 -</em>
-<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em class="jxr_javadoccomment"> * 1), stored as a little-endian varint. Varints consist of a series of</em>
-<a class="jxr_linenumber" name="L249" href="#L249">249</a> <em class="jxr_javadoccomment"> * bytes, where the lower 7 bits are data and the upper bit is set iff there</em>
-<a class="jxr_linenumber" name="L250" href="#L250">250</a> <em class="jxr_javadoccomment"> * are more bytes to be read. In other words, an uncompressed length of 64</em>
-<a class="jxr_linenumber" name="L251" href="#L251">251</a> <em class="jxr_javadoccomment"> * would be stored as 0x40, and an uncompressed length of 2097150 (0x1FFFFE)</em>
-<a class="jxr_linenumber" name="L252" href="#L252">252</a> <em class="jxr_javadoccomment"> * would be stored as 0xFE 0xFF 0x7F.</em>
-<a class="jxr_linenumber" name="L253" href="#L253">253</a> <em class="jxr_javadoccomment"> * </em>
-<a class="jxr_linenumber" name="L254" href="#L254">254</a> <em class="jxr_javadoccomment"> * @return The size of the uncompressed data</em>
-<a class="jxr_linenumber" name="L255" href="#L255">255</a> <em class="jxr_javadoccomment"> * </em>
-<a class="jxr_linenumber" name="L256" href="#L256">256</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
-<a class="jxr_linenumber" name="L257" href="#L257">257</a> <em class="jxr_javadoccomment"> * Could not read a byte</em>
-<a class="jxr_linenumber" name="L258" href="#L258">258</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L259" href="#L259">259</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> readSize() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="L260" href="#L260">260</a> <strong class="jxr_keyword">int</strong> index = 0;
-<a class="jxr_linenumber" name="L261" href="#L261">261</a> <strong class="jxr_keyword">long</strong> sz = 0;
-<a class="jxr_linenumber" name="L262" href="#L262">262</a> <strong class="jxr_keyword">int</strong> b = 0;
-<a class="jxr_linenumber" name="L263" href="#L263">263</a>
-<a class="jxr_linenumber" name="L264" href="#L264">264</a> <strong class="jxr_keyword">do</strong> {
-<a class="jxr_linenumber" name="L265" href="#L265">265</a> b = readOneByte();
-<a class="jxr_linenumber" name="L266" href="#L266">266</a> <strong class="jxr_keyword">if</strong> (b == -1) {
-<a class="jxr_linenumber" name="L267" href="#L267">267</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Premature end of stream reading size"</span>);
-<a class="jxr_linenumber" name="L268" href="#L268">268</a> }
-<a class="jxr_linenumber" name="L269" href="#L269">269</a> sz |= (b & 0x7f) << (index++ * 7);
-<a class="jxr_linenumber" name="L270" href="#L270">270</a> } <strong class="jxr_keyword">while</strong> (0 != (b & 0x80));
-<a class="jxr_linenumber" name="L271" href="#L271">271</a> <strong class="jxr_keyword">return</strong> sz;
-<a class="jxr_linenumber" name="L272" href="#L272">272</a> }
-<a class="jxr_linenumber" name="L273" href="#L273">273</a>
-<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L275" href="#L275">275</a> <em class="jxr_javadoccomment"> * Get the uncompressed size of the stream</em>
-<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_javadoccomment"> * </em>
-<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment"> * @return the uncompressed size</em>
-<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L279" href="#L279">279</a> @Override
-<a class="jxr_linenumber" name="L280" href="#L280">280</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getSize() {
-<a class="jxr_linenumber" name="L281" href="#L281">281</a> <strong class="jxr_keyword">return</strong> size;
-<a class="jxr_linenumber" name="L282" href="#L282">282</a> }
-<a class="jxr_linenumber" name="L283" href="#L283">283</a>
-<a class="jxr_linenumber" name="L284" href="#L284">284</a> <strong class="jxr_keyword">private</strong> enum <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">State</a> {
-<a class="jxr_linenumber" name="L285" href="#L285">285</a> NO_BLOCK, IN_LITERAL, IN_BACK_REFERENCE
-<a class="jxr_linenumber" name="L286" href="#L286">286</a> }
-<a class="jxr_linenumber" name="L287" href="#L287">287</a> }
+<a class="jxr_linenumber" name="L186" href="#L186">186</a> <strong class="jxr_keyword">case</strong> 0x03:
+<a class="jxr_linenumber" name="L187" href="#L187">187</a>
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em class="jxr_comment"> * These are like the copies with 2-byte offsets (see previous</em>
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em class="jxr_comment"> * subsection), except that the offset is stored as a 32-bit</em>
+<a class="jxr_linenumber" name="L191" href="#L191">191</a> <em class="jxr_comment"> * integer instead of a 16-bit integer (and thus will occupy</em>
+<a class="jxr_linenumber" name="L192" href="#L192">192</a> <em class="jxr_comment"> * four bytes).</em>
+<a class="jxr_linenumber" name="L193" href="#L193">193</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="L194" href="#L194">194</a>
+<a class="jxr_linenumber" name="L195" href="#L195">195</a> length = (b >> 2) + 1;
+<a class="jxr_linenumber" name="L196" href="#L196">196</a> uncompressedBytesRemaining -= length;
+<a class="jxr_linenumber" name="L197" href="#L197">197</a>
+<a class="jxr_linenumber" name="L198" href="#L198">198</a> offset = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 4) & 0x7fffffff;
+<a class="jxr_linenumber" name="L199" href="#L199">199</a>
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> startBackReference(offset, length);
+<a class="jxr_linenumber" name="L201" href="#L201">201</a> state = State.IN_BACK_REFERENCE;
+<a class="jxr_linenumber" name="L202" href="#L202">202</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L203" href="#L203">203</a> <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em class="jxr_comment">// impossible as TAG_MASK is two bits and all four possible cases have been covered</em>
+<a class="jxr_linenumber" name="L205" href="#L205">205</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L206" href="#L206">206</a> }
+<a class="jxr_linenumber" name="L207" href="#L207">207</a> }
+<a class="jxr_linenumber" name="L208" href="#L208">208</a>
+<a class="jxr_linenumber" name="L209" href="#L209">209</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="L210" href="#L210">210</a> <em class="jxr_comment"> * For literals up to and including 60 bytes in length, the</em>
+<a class="jxr_linenumber" name="L211" href="#L211">211</a> <em class="jxr_comment"> * upper six bits of the tag byte contain (len-1). The literal</em>
+<a class="jxr_linenumber" name="L212" href="#L212">212</a> <em class="jxr_comment"> * follows immediately thereafter in the bytestream. - For</em>
+<a class="jxr_linenumber" name="L213" href="#L213">213</a> <em class="jxr_comment"> * longer literals, the (len-1) value is stored after the tag</em>
+<a class="jxr_linenumber" name="L214" href="#L214">214</a> <em class="jxr_comment"> * byte, little-endian. The upper six bits of the tag byte</em>
+<a class="jxr_linenumber" name="L215" href="#L215">215</a> <em class="jxr_comment"> * describe how many bytes are used for the length; 60, 61, 62</em>
+<a class="jxr_linenumber" name="L216" href="#L216">216</a> <em class="jxr_comment"> * or 63 for 1-4 bytes, respectively. The literal itself follows</em>
+<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em class="jxr_comment"> * after the length.</em>
+<a class="jxr_linenumber" name="L218" href="#L218">218</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="L219" href="#L219">219</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> readLiteralLength(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> b) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L220" href="#L220">220</a> <strong class="jxr_keyword">int</strong> length;
+<a class="jxr_linenumber" name="L221" href="#L221">221</a> <strong class="jxr_keyword">switch</strong> (b >> 2) {
+<a class="jxr_linenumber" name="L222" href="#L222">222</a> <strong class="jxr_keyword">case</strong> 60:
+<a class="jxr_linenumber" name="L223" href="#L223">223</a> length = readOneByte();
+<a class="jxr_linenumber" name="L224" href="#L224">224</a> <strong class="jxr_keyword">if</strong> (length == -1) {
+<a class="jxr_linenumber" name="L225" href="#L225">225</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Premature end of stream reading literal length"</span>);
+<a class="jxr_linenumber" name="L226" href="#L226">226</a> }
+<a class="jxr_linenumber" name="L227" href="#L227">227</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L228" href="#L228">228</a> <strong class="jxr_keyword">case</strong> 61:
+<a class="jxr_linenumber" name="L229" href="#L229">229</a> length = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 2);
+<a class="jxr_linenumber" name="L230" href="#L230">230</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">case</strong> 62:
+<a class="jxr_linenumber" name="L232" href="#L232">232</a> length = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 3);
+<a class="jxr_linenumber" name="L233" href="#L233">233</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L234" href="#L234">234</a> <strong class="jxr_keyword">case</strong> 63:
+<a class="jxr_linenumber" name="L235" href="#L235">235</a> length = (<strong class="jxr_keyword">int</strong>) ByteUtils.fromLittleEndian(supplier, 4);
+<a class="jxr_linenumber" name="L236" href="#L236">236</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L237" href="#L237">237</a> <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="L238" href="#L238">238</a> length = b >> 2;
+<a class="jxr_linenumber" name="L239" href="#L239">239</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="L240" href="#L240">240</a> }
+<a class="jxr_linenumber" name="L241" href="#L241">241</a>
+<a class="jxr_linenumber" name="L242" href="#L242">242</a> <strong class="jxr_keyword">return</strong> length + 1;
+<a class="jxr_linenumber" name="L243" href="#L243">243</a> }
+<a class="jxr_linenumber" name="L244" href="#L244">244</a>
+<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em class="jxr_javadoccomment"> * The stream starts with the uncompressed length (up to a maximum of 2^32 -</em>
+<a class="jxr_linenumber" name="L247" href="#L247">247</a> <em class="jxr_javadoccomment"> * 1), stored as a little-endian varint. Varints consist of a series of</em>
+<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em class="jxr_javadoccomment"> * bytes, where the lower 7 bits are data and the upper bit is set iff there</em>
+<a class="jxr_linenumber" name="L249" href="#L249">249</a> <em class="jxr_javadoccomment"> * are more bytes to be read. In other words, an uncompressed length of 64</em>
+<a class="jxr_linenumber" name="L250" href="#L250">250</a> <em class="jxr_javadoccomment"> * would be stored as 0x40, and an uncompressed length of 2097150 (0x1FFFFE)</em>
+<a class="jxr_linenumber" name="L251" href="#L251">251</a> <em class="jxr_javadoccomment"> * would be stored as 0xFE 0xFF 0x7F.</em>
+<a class="jxr_linenumber" name="L252" href="#L252">252</a> <em class="jxr_javadoccomment"> * </em>
+<a class="jxr_linenumber" name="L253" href="#L253">253</a> <em class="jxr_javadoccomment"> * @return The size of the uncompressed data</em>
+<a class="jxr_linenumber" name="L254" href="#L254">254</a> <em class="jxr_javadoccomment"> * </em>
+<a class="jxr_linenumber" name="L255" href="#L255">255</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
+<a class="jxr_linenumber" name="L256" href="#L256">256</a> <em class="jxr_javadoccomment"> * Could not read a byte</em>
+<a class="jxr_linenumber" name="L257" href="#L257">257</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L258" href="#L258">258</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> readSize() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> <strong class="jxr_keyword">int</strong> index = 0;
+<a class="jxr_linenumber" name="L260" href="#L260">260</a> <strong class="jxr_keyword">long</strong> sz = 0;
+<a class="jxr_linenumber" name="L261" href="#L261">261</a> <strong class="jxr_keyword">int</strong> b = 0;
+<a class="jxr_linenumber" name="L262" href="#L262">262</a>
+<a class="jxr_linenumber" name="L263" href="#L263">263</a> <strong class="jxr_keyword">do</strong> {
+<a class="jxr_linenumber" name="L264" href="#L264">264</a> b = readOneByte();
+<a class="jxr_linenumber" name="L265" href="#L265">265</a> <strong class="jxr_keyword">if</strong> (b == -1) {
+<a class="jxr_linenumber" name="L266" href="#L266">266</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Premature end of stream reading size"</span>);
+<a class="jxr_linenumber" name="L267" href="#L267">267</a> }
+<a class="jxr_linenumber" name="L268" href="#L268">268</a> sz |= (b & 0x7f) << (index++ * 7);
+<a class="jxr_linenumber" name="L269" href="#L269">269</a> } <strong class="jxr_keyword">while</strong> (0 != (b & 0x80));
+<a class="jxr_linenumber" name="L270" href="#L270">270</a> <strong class="jxr_keyword">return</strong> sz;
+<a class="jxr_linenumber" name="L271" href="#L271">271</a> }
+<a class="jxr_linenumber" name="L272" href="#L272">272</a>
+<a class="jxr_linenumber" name="L273" href="#L273">273</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em class="jxr_javadoccomment"> * Get the uncompressed size of the stream</em>
+<a class="jxr_linenumber" name="L275" href="#L275">275</a> <em class="jxr_javadoccomment"> * </em>
+<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em class="jxr_javadoccomment"> * @return the uncompressed size</em>
+<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L278" href="#L278">278</a> @Override
+<a class="jxr_linenumber" name="L279" href="#L279">279</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getSize() {
+<a class="jxr_linenumber" name="L280" href="#L280">280</a> <strong class="jxr_keyword">return</strong> size;
+<a class="jxr_linenumber" name="L281" href="#L281">281</a> }
+<a class="jxr_linenumber" name="L282" href="#L282">282</a>
+<a class="jxr_linenumber" name="L283" href="#L283">283</a> <strong class="jxr_keyword">private</strong> enum <a href="../../../../../../org/apache/commons/compress/compressors/snappy/SnappyCompressorInputStream.html">State</a> {
+<a class="jxr_linenumber" name="L284" href="#L284">284</a> NO_BLOCK, IN_LITERAL, IN_BACK_REFERENCE
+<a class="jxr_linenumber" name="L285" href="#L285">285</a> }
+<a class="jxr_linenumber" name="L286" href="#L286">286</a> }
</pre>
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