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- <div class="subTitle">org.apache.commons.compress.compressors.lzw</div>
- <h2 title="Class LZWInputStream" class="title">Class LZWInputStream</h2>
- </div>
- <div class="contentContainer">
- <ul class="inheritance">
- <li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
- <li>
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- <li><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">java.io.InputStream</a></li>
- <li>
- <ul class="inheritance">
- <li><a href="../../../../../../org/apache/commons/compress/compressors/CompressorInputStream.html" title="class in org.apache.commons.compress.compressors">org.apache.commons.compress.compressors.CompressorInputStream</a></li>
- <li>
- <ul class="inheritance">
- <li>org.apache.commons.compress.compressors.lzw.LZWInputStream</li>
- </ul>
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- </li>
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- <dt>All Implemented Interfaces:</dt>
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- </dl>
- <dl>
- <dt>Direct Known Subclasses:</dt>
- <dd><a href="../../../../../../org/apache/commons/compress/compressors/z/ZCompressorInputStream.html" title="class in org.apache.commons.compress.compressors.z">ZCompressorInputStream</a></dd>
- </dl>
- <hr>
- <br>
- <pre>public abstract class <a href="../../../../../../src-html/org/apache/commons/compress/compressors/lzw/LZWInputStream.html#line.36">LZWInputStream</a>
- extends <a href="../../../../../../org/apache/commons/compress/compressors/CompressorInputStream.html" title="class in org.apache.commons.compress.compressors">CompressorInputStream</a></pre>
- <div class="block"><p>Generic LZW implementation. It is used internally for
- the Z decompressor and the Unshrinking Zip file compression method,
- but may be useful for third-party projects in implementing their own LZW variations.</p></div>
- <dl><dt><span class="strong">Since:</span></dt>
- <dd>1.10</dd>
- <dt><span class="strong">This class is not thread-safe</span></dt>
- <dd></dd></dl>
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- <th class="colFirst" scope="col">Modifier and Type</th>
- <th class="colLast" scope="col">Field and Description</th>
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- <tr class="altColor">
- <td class="colFirst"><code>protected static int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#DEFAULT_CODE_SIZE">DEFAULT_CODE_SIZE</a></strong></code> </td>
- </tr>
- <tr class="rowColor">
- <td class="colFirst"><code>protected <a href="../../../../../../org/apache/commons/compress/utils/BitInputStream.html" title="class in org.apache.commons.compress.utils">BitInputStream</a></code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#in">in</a></strong></code> </td>
- </tr>
- <tr class="altColor">
- <td class="colFirst"><code>protected static int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#UNUSED_PREFIX">UNUSED_PREFIX</a></strong></code> </td>
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- <th class="colFirst" scope="col">Modifier</th>
- <th class="colLast" scope="col">Constructor and Description</th>
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- <tr class="altColor">
- <td class="colFirst"><code>protected </code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#LZWInputStream(java.io.InputStream,%20java.nio.ByteOrder)">LZWInputStream</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> inputStream,
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- <caption><span>Methods</span><span class="tabEnd"> </span></caption>
- <tr>
- <th class="colFirst" scope="col">Modifier and Type</th>
- <th class="colLast" scope="col">Method and Description</th>
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- <tr class="altColor">
- <td class="colFirst"><code>protected abstract int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#addEntry(int,%20byte)">addEntry</a></strong>(int previousCode,
- byte character)</code>
- <div class="block">Add a new entry to the dictionary.</div>
- </td>
- </tr>
- <tr class="rowColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#addEntry(int,%20byte,%20int)">addEntry</a></strong>(int previousCode,
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- int maxTableSize)</code>
- <div class="block">Adds a new entry if the maximum table size hasn't been exceeded
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- <tr class="altColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#addRepeatOfPreviousCode()">addRepeatOfPreviousCode</a></strong>()</code>
- <div class="block">Add entry for repeat of previousCode we haven't added, yet.</div>
- </td>
- </tr>
- <tr class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#close()">close</a></strong>()</code> </td>
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- <tr class="altColor">
- <td class="colFirst"><code>protected abstract int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#decompressNextSymbol()">decompressNextSymbol</a></strong>()</code>
- <div class="block">Read the next code and expand it.</div>
- </td>
- </tr>
- <tr class="rowColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#expandCodeToOutputStack(int,%20boolean)">expandCodeToOutputStack</a></strong>(int code,
- boolean addedUnfinishedEntry)</code>
- <div class="block">Expands the entry with index code to the output stack and may
- create a new entry</div>
- </td>
- </tr>
- <tr class="altColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#getClearCode()">getClearCode</a></strong>()</code> </td>
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- <tr class="rowColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#getCodeSize()">getCodeSize</a></strong>()</code> </td>
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- <tr class="altColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#getPrefix(int)">getPrefix</a></strong>(int offset)</code> </td>
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- <tr class="rowColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#getPrefixesLength()">getPrefixesLength</a></strong>()</code> </td>
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- <tr class="altColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#getTableSize()">getTableSize</a></strong>()</code> </td>
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- <tr class="rowColor">
- <td class="colFirst"><code>protected void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#incrementCodeSize()">incrementCodeSize</a></strong>()</code> </td>
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- <tr class="altColor">
- <td class="colFirst"><code>protected void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#initializeTables(int)">initializeTables</a></strong>(int maxCodeSize)</code>
- <div class="block">Initializes the arrays based on the maximum code size.</div>
- </td>
- </tr>
- <tr class="rowColor">
- <td class="colFirst"><code>int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#read()">read</a></strong>()</code> </td>
- </tr>
- <tr class="altColor">
- <td class="colFirst"><code>int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#read(byte[],%20int,%20int)">read</a></strong>(byte[] b,
- int off,
- int len)</code> </td>
- </tr>
- <tr class="rowColor">
- <td class="colFirst"><code>protected int</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#readNextCode()">readNextCode</a></strong>()</code>
- <div class="block">Reads the next code from the stream.</div>
- </td>
- </tr>
- <tr class="altColor">
- <td class="colFirst"><code>protected void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#resetCodeSize()">resetCodeSize</a></strong>()</code> </td>
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- <tr class="rowColor">
- <td class="colFirst"><code>protected void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#resetPreviousCode()">resetPreviousCode</a></strong>()</code> </td>
- </tr>
- <tr class="altColor">
- <td class="colFirst"><code>protected void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#setClearCode(int)">setClearCode</a></strong>(int codeSize)</code>
- <div class="block">Sets the clear code based on the code size.</div>
- </td>
- </tr>
- <tr class="rowColor">
- <td class="colFirst"><code>protected void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#setCodeSize(int)">setCodeSize</a></strong>(int cs)</code> </td>
- </tr>
- <tr class="altColor">
- <td class="colFirst"><code>protected void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#setPrefix(int,%20int)">setPrefix</a></strong>(int offset,
- int value)</code> </td>
- </tr>
- <tr class="rowColor">
- <td class="colFirst"><code>protected void</code></td>
- <td class="colLast"><code><strong><a href="../../../../../../org/apache/commons/compress/compressors/lzw/LZWInputStream.html#setTableSize(int)">setTableSize</a></strong>(int newSize)</code> </td>
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- <code><a href="../../../../../../org/apache/commons/compress/compressors/CompressorInputStream.html#count(int)">count</a>, <a href="../../../../../../org/apache/commons/compress/compressors/CompressorInputStream.html#count(long)">count</a>, <a href="../../../../../../org/apache/commons/compress/compressors/CompressorInputStream.html#getBytesRead()">getBytesRead</a>, <a href="../../../../../../org/apache/commons/compress/compressors/CompressorInputStream.html#getCount()">getCount</a>, <a href="../../../../../../org/apache/commons/compress/compressors/CompressorInputStream.html#pushedBackBytes(long)">pushedBackBytes</a></code></li>
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- <code><a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#available()" title="class or interface in java.io">available</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#mark(int)" title="class or interface in java.io">mark</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#markSupported()" title="class or interface in java.io">markSupported</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#read(byte[])" title="class or interface in java.io">read</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#reset()" title="class or interface in java.io">reset</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/io/InputStream.html?is-external=true#skip(long)" title="class or interface in java.io">skip</a></code></li>
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- <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../constant-values.html#org.apache.commons.compress.compressors.lzw.LZWInputStream.DEFAULT_CODE_SIZE">Constant Field Values</a></dd></dl>
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- <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../constant-values.html#org.apache.commons.compress.compressors.lzw.LZWInputStream.UNUSED_PREFIX">Constant Field Values</a></dd></dl>
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- <div class="block">Read the next code and expand it.</div>
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