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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 [4/16] - 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/apidocs/src-html/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.BlockSize.html
==============================================================================
--- websites/production/commons/content/proper/commons-compress/apidocs/src-html/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.BlockSize.html (original)
+++ websites/production/commons/content/proper/commons-compress/apidocs/src-html/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.BlockSize.html Sat Feb  4 16:19:37 2017
@@ -29,237 +29,235 @@
 <span class="sourceLineNo">021</span>import java.io.ByteArrayOutputStream;<a name="line.21"></a>
 <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
 <span class="sourceLineNo">023</span>import java.io.OutputStream;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.util.Arrays;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a>
-<span class="sourceLineNo">026</span><a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.commons.compress.compressors.CompressorOutputStream;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.commons.compress.utils.ByteUtils;<a name="line.28"></a>
-<span class="sourceLineNo">029</span><a name="line.29"></a>
-<span class="sourceLineNo">030</span>/**<a name="line.30"></a>
-<span class="sourceLineNo">031</span> * CompressorOutputStream for the LZ4 frame format.<a name="line.31"></a>
+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.commons.compress.compressors.CompressorOutputStream;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.commons.compress.utils.ByteUtils;<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span>/**<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * CompressorOutputStream for the LZ4 frame format.<a name="line.29"></a>
+<span class="sourceLineNo">030</span> *<a name="line.30"></a>
+<span class="sourceLineNo">031</span> * &lt;p&gt;Based on the "spec" in the version "1.5.1 (31/03/2015)"&lt;/p&gt;<a name="line.31"></a>
 <span class="sourceLineNo">032</span> *<a name="line.32"></a>
-<span class="sourceLineNo">033</span> * &lt;p&gt;Based on the "spec" in the version "1.5.1 (31/03/2015)"&lt;/p&gt;<a name="line.33"></a>
-<span class="sourceLineNo">034</span> *<a name="line.34"></a>
-<span class="sourceLineNo">035</span> * @see &lt;a href="http://lz4.github.io/lz4/lz4_Frame_format.html"&gt;LZ4 Frame Format Description&lt;/a&gt;<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * @since 1.14<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * @NotThreadSafe<a name="line.37"></a>
-<span class="sourceLineNo">038</span> */<a name="line.38"></a>
-<span class="sourceLineNo">039</span>public class FramedLZ4CompressorOutputStream extends CompressorOutputStream {<a name="line.39"></a>
-<span class="sourceLineNo">040</span>    /*<a name="line.40"></a>
-<span class="sourceLineNo">041</span>     * TODO before releasing 1.14:<a name="line.41"></a>
-<span class="sourceLineNo">042</span>     *<a name="line.42"></a>
-<span class="sourceLineNo">043</span>     * + block dependence<a name="line.43"></a>
-<span class="sourceLineNo">044</span>     */<a name="line.44"></a>
+<span class="sourceLineNo">033</span> * @see &lt;a href="http://lz4.github.io/lz4/lz4_Frame_format.html"&gt;LZ4 Frame Format Description&lt;/a&gt;<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * @since 1.14<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * @NotThreadSafe<a name="line.35"></a>
+<span class="sourceLineNo">036</span> */<a name="line.36"></a>
+<span class="sourceLineNo">037</span>public class FramedLZ4CompressorOutputStream extends CompressorOutputStream {<a name="line.37"></a>
+<span class="sourceLineNo">038</span>    /*<a name="line.38"></a>
+<span class="sourceLineNo">039</span>     * TODO before releasing 1.14:<a name="line.39"></a>
+<span class="sourceLineNo">040</span>     *<a name="line.40"></a>
+<span class="sourceLineNo">041</span>     * + block dependence<a name="line.41"></a>
+<span class="sourceLineNo">042</span>     */<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
+<span class="sourceLineNo">044</span>    private static final byte[] END_MARK = new byte[4];<a name="line.44"></a>
 <span class="sourceLineNo">045</span><a name="line.45"></a>
-<span class="sourceLineNo">046</span>    private static final byte[] END_MARK = new byte[4];<a name="line.46"></a>
-<span class="sourceLineNo">047</span><a name="line.47"></a>
-<span class="sourceLineNo">048</span>    // used in one-arg write method<a name="line.48"></a>
-<span class="sourceLineNo">049</span>    private final byte[] oneByte = new byte[1];<a name="line.49"></a>
-<span class="sourceLineNo">050</span><a name="line.50"></a>
-<span class="sourceLineNo">051</span>    private final byte[] blockData;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>    private final OutputStream out;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>    private final Parameters params;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>    private boolean finished = false;<a name="line.54"></a>
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-<span class="sourceLineNo">056</span><a name="line.56"></a>
-<span class="sourceLineNo">057</span>    // used for frame header checksum and content checksum, if requested<a name="line.57"></a>
-<span class="sourceLineNo">058</span>    private final XXHash32 contentHash = new XXHash32();<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    // used for block checksum, if requested<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    private final XXHash32 blockHash;<a name="line.60"></a>
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-<span class="sourceLineNo">062</span>    /**<a name="line.62"></a>
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-<span class="sourceLineNo">065</span>    public enum BlockSize {<a name="line.65"></a>
-<span class="sourceLineNo">066</span>        /** Block size of 64K */<a name="line.66"></a>
-<span class="sourceLineNo">067</span>        K64(64 * 1024, 0),<a name="line.67"></a>
-<span class="sourceLineNo">068</span>        /** Block size of 256K */<a name="line.68"></a>
-<span class="sourceLineNo">069</span>        K256(256 * 1024, 1),<a name="line.69"></a>
-<span class="sourceLineNo">070</span>        /** Block size of 1M */<a name="line.70"></a>
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-<span class="sourceLineNo">072</span>        /** Block size of 4M */<a name="line.72"></a>
-<span class="sourceLineNo">073</span>        M4(1024 * 1024, 4);<a name="line.73"></a>
-<span class="sourceLineNo">074</span><a name="line.74"></a>
-<span class="sourceLineNo">075</span>        private final int size, index;<a name="line.75"></a>
-<span class="sourceLineNo">076</span>        private BlockSize(int size, int index) {<a name="line.76"></a>
-<span class="sourceLineNo">077</span>            this.size = size;<a name="line.77"></a>
-<span class="sourceLineNo">078</span>            this.index = index;<a name="line.78"></a>
-<span class="sourceLineNo">079</span>        }<a name="line.79"></a>
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-<span class="sourceLineNo">081</span>            return size;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>        }<a name="line.82"></a>
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-<span class="sourceLineNo">084</span>            return index;<a name="line.84"></a>
-<span class="sourceLineNo">085</span>        }<a name="line.85"></a>
-<span class="sourceLineNo">086</span>    }<a name="line.86"></a>
-<span class="sourceLineNo">087</span><a name="line.87"></a>
-<span class="sourceLineNo">088</span>    /**<a name="line.88"></a>
-<span class="sourceLineNo">089</span>     * Parameters of the LZ4 frame format.<a name="line.89"></a>
-<span class="sourceLineNo">090</span>     */<a name="line.90"></a>
-<span class="sourceLineNo">091</span>    public static class Parameters {<a name="line.91"></a>
-<span class="sourceLineNo">092</span>        private final BlockSize blockSize;<a name="line.92"></a>
-<span class="sourceLineNo">093</span>        private final boolean withContentChecksum, withBlockChecksum;<a name="line.93"></a>
-<span class="sourceLineNo">094</span><a name="line.94"></a>
-<span class="sourceLineNo">095</span>        /**<a name="line.95"></a>
-<span class="sourceLineNo">096</span>         * The default parameters of 4M block size, enabled content<a name="line.96"></a>
-<span class="sourceLineNo">097</span>         * checksum, disabled block checksums and independent blocks.<a name="line.97"></a>
-<span class="sourceLineNo">098</span>         *<a name="line.98"></a>
-<span class="sourceLineNo">099</span>         * &lt;p&gt;This matches the defaults of the lz4 command line utility.&lt;/p&gt;<a name="line.99"></a>
-<span class="sourceLineNo">100</span>         */<a name="line.100"></a>
-<span class="sourceLineNo">101</span>        public static Parameters DEFAULT = new Parameters(BlockSize.M4, true, false);<a name="line.101"></a>
-<span class="sourceLineNo">102</span><a name="line.102"></a>
-<span class="sourceLineNo">103</span>        /**<a name="line.103"></a>
-<span class="sourceLineNo">104</span>         * Sets up custom a custom block size for the LZ4 stream but<a name="line.104"></a>
-<span class="sourceLineNo">105</span>         * otherwise uses the defaults of enabled content checksum,<a name="line.105"></a>
-<span class="sourceLineNo">106</span>         * disabled block checksums and independent blocks.<a name="line.106"></a>
-<span class="sourceLineNo">107</span>         * @param blockSize the size of a single block.<a name="line.107"></a>
-<span class="sourceLineNo">108</span>         */<a name="line.108"></a>
-<span class="sourceLineNo">109</span>        public Parameters(BlockSize blockSize) {<a name="line.109"></a>
-<span class="sourceLineNo">110</span>            this(blockSize, true, false);<a name="line.110"></a>
-<span class="sourceLineNo">111</span>        }<a name="line.111"></a>
-<span class="sourceLineNo">112</span>        /**<a name="line.112"></a>
-<span class="sourceLineNo">113</span>         * Sets up custom parameters for the LZ4 stream.<a name="line.113"></a>
-<span class="sourceLineNo">114</span>         * @param blockSize the size of a single block.<a name="line.114"></a>
-<span class="sourceLineNo">115</span>         * @param withContentChecksum whether to write a content checksum<a name="line.115"></a>
-<span class="sourceLineNo">116</span>         * @param withBlockChecksum whether to write a block checksum.<a name="line.116"></a>
-<span class="sourceLineNo">117</span>         * Note that block checksums are not supported by the lz4<a name="line.117"></a>
-<span class="sourceLineNo">118</span>         * command line utility<a name="line.118"></a>
-<span class="sourceLineNo">119</span>         */<a name="line.119"></a>
-<span class="sourceLineNo">120</span>        public Parameters(BlockSize blockSize, boolean withContentChecksum, boolean withBlockChecksum) {<a name="line.120"></a>
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-<span class="sourceLineNo">123</span>            this.withBlockChecksum = withBlockChecksum;<a name="line.123"></a>
-<span class="sourceLineNo">124</span>        }<a name="line.124"></a>
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-<span class="sourceLineNo">127</span>        public String toString() {<a name="line.127"></a>
-<span class="sourceLineNo">128</span>            return "LZ4 Parameters with BlockSize " + blockSize + ", withContentChecksum " + withContentChecksum<a name="line.128"></a>
-<span class="sourceLineNo">129</span>                + ", withBlockChecksum " + withBlockChecksum;<a name="line.129"></a>
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-<span class="sourceLineNo">134</span>     * Constructs a new output stream that compresses data using the<a name="line.134"></a>
-<span class="sourceLineNo">135</span>     * LZ4 frame format using the default block size of 4MB.<a name="line.135"></a>
-<span class="sourceLineNo">136</span>     * @param out the OutputStream to which to write the compressed data<a name="line.136"></a>
-<span class="sourceLineNo">137</span>     * @throws IOException if writing the signature fails<a name="line.137"></a>
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-<span class="sourceLineNo">144</span>     * Constructs a new output stream that compresses data using the<a name="line.144"></a>
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+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span>    private void writeFrameDescriptor() throws IOException {<a name="line.201"></a>
+<span class="sourceLineNo">202</span>        int flags = FramedLZ4CompressorInputStream.SUPPORTED_VERSION<a name="line.202"></a>
+<span class="sourceLineNo">203</span>            | FramedLZ4CompressorInputStream.BLOCK_INDEPENDENCE_MASK;<a name="line.203"></a>
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+<span class="sourceLineNo">218</span><a name="line.218"></a>
+<span class="sourceLineNo">219</span>    private void flushBlock() throws IOException {<a name="line.219"></a>
+<span class="sourceLineNo">220</span>        ByteArrayOutputStream baos = new ByteArrayOutputStream();<a name="line.220"></a>
+<span class="sourceLineNo">221</span>        try (OutputStream o = new BlockLZ4CompressorOutputStream(baos)) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span>            o.write(blockData, 0, currentIndex);<a name="line.222"></a>
+<span class="sourceLineNo">223</span>        }<a name="line.223"></a>
+<span class="sourceLineNo">224</span>        byte[] b = baos.toByteArray();<a name="line.224"></a>
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+<span class="sourceLineNo">231</span>            }<a name="line.231"></a>
+<span class="sourceLineNo">232</span>        } else {<a name="line.232"></a>
+<span class="sourceLineNo">233</span>            ByteUtils.toLittleEndian(out, b.length, 4);<a name="line.233"></a>
+<span class="sourceLineNo">234</span>            out.write(b);<a name="line.234"></a>
+<span class="sourceLineNo">235</span>            if (params.withBlockChecksum) {<a name="line.235"></a>
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+<span class="sourceLineNo">242</span>        }<a name="line.242"></a>
+<span class="sourceLineNo">243</span>        currentIndex = 0;<a name="line.243"></a>
+<span class="sourceLineNo">244</span>    }<a name="line.244"></a>
+<span class="sourceLineNo">245</span><a name="line.245"></a>
+<span class="sourceLineNo">246</span>    private void writeTrailer() throws IOException {<a name="line.246"></a>
+<span class="sourceLineNo">247</span>        out.write(END_MARK);<a name="line.247"></a>
+<span class="sourceLineNo">248</span>        ByteUtils.toLittleEndian(out, contentHash.getValue(), 4);<a name="line.248"></a>
+<span class="sourceLineNo">249</span>    }<a name="line.249"></a>
+<span class="sourceLineNo">250</span><a name="line.250"></a>
+<span class="sourceLineNo">251</span>}<a name="line.251"></a>
 <span class="sourceLineNo">252</span><a name="line.252"></a>
-<span class="sourceLineNo">253</span>}<a name="line.253"></a>
-<span class="sourceLineNo">254</span><a name="line.254"></a>
 
 
 

Modified: websites/production/commons/content/proper/commons-compress/apidocs/src-html/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.Parameters.html
==============================================================================
--- websites/production/commons/content/proper/commons-compress/apidocs/src-html/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.Parameters.html (original)
+++ websites/production/commons/content/proper/commons-compress/apidocs/src-html/org/apache/commons/compress/compressors/lz4/FramedLZ4CompressorOutputStream.Parameters.html Sat Feb  4 16:19:37 2017
@@ -29,237 +29,235 @@
 <span class="sourceLineNo">021</span>import java.io.ByteArrayOutputStream;<a name="line.21"></a>
 <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
 <span class="sourceLineNo">023</span>import java.io.OutputStream;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import java.util.Arrays;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a>
-<span class="sourceLineNo">026</span><a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.commons.compress.compressors.CompressorOutputStream;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.commons.compress.utils.ByteUtils;<a name="line.28"></a>
-<span class="sourceLineNo">029</span><a name="line.29"></a>
-<span class="sourceLineNo">030</span>/**<a name="line.30"></a>
-<span class="sourceLineNo">031</span> * CompressorOutputStream for the LZ4 frame format.<a name="line.31"></a>
+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.commons.compress.compressors.CompressorOutputStream;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.commons.compress.utils.ByteUtils;<a name="line.26"></a>
+<span class="sourceLineNo">027</span><a name="line.27"></a>
+<span class="sourceLineNo">028</span>/**<a name="line.28"></a>
+<span class="sourceLineNo">029</span> * CompressorOutputStream for the LZ4 frame format.<a name="line.29"></a>
+<span class="sourceLineNo">030</span> *<a name="line.30"></a>
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