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<div class="subTitle">org.apache.archiva.checksum</div>
<h2 title="Class ChecksummedFile" class="title">Class ChecksummedFile</h2>
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<pre>public class <a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.50">ChecksummedFile</a>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">ChecksummedFile
<p>Terminology:</p>
<dl>
<dt>Checksum File</dt>
<dd>The file that contains the previously calculated checksum value for the reference file.
This is a text file with the extension ".sha1" or ".md5", and contains a single entry
consisting of an optional reference filename, and a checksum string.
</dd>
<dt>Reference File</dt>
<dd>The file that is being referenced in the checksum file.</dd>
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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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<td class="colFirst"><code>private org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#log">log</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#METADATA_PATTERN">METADATA_PATTERN</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#referenceFile">referenceFile</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#ChecksummedFile-java.io.File-">ChecksummedFile</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;referenceFile)</code>
<div class="block">Construct a ChecksummedFile object.</div>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#calculateChecksum-org.apache.archiva.checksum.ChecksumAlgorithm-">calculateChecksum</a></span>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;checksumAlgorithm)</code>
<div class="block">Calculate the checksum based on a given checksum.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#createChecksum-org.apache.archiva.checksum.ChecksumAlgorithm-">createChecksum</a></span>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;checksumAlgorithm)</code>
<div class="block">Creates a checksum file of the provided referenceFile.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#fixChecksums-org.apache.archiva.checksum.ChecksumAlgorithm:A-">fixChecksums</a></span>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>[]&nbsp;algorithms)</code>
<div class="block">Fix or create checksum files for the reference file.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#getChecksumFile-org.apache.archiva.checksum.ChecksumAlgorithm-">getChecksumFile</a></span>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;checksumAlgorithm)</code>
<div class="block">Get the checksum file for the reference file and hash.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#isValidChecksum-org.apache.archiva.checksum.ChecksumAlgorithm-">isValidChecksum</a></span>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;algorithm)</code>
<div class="block">
Given a checksum file, check to see if the file it represents is valid according to the checksum.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>private boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#isValidChecksumPattern-java.lang.String-java.lang.String-">isValidChecksumPattern</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;filename,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path)</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#isValidChecksums-org.apache.archiva.checksum.ChecksumAlgorithm:A-">isValidChecksums</a></span>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>[]&nbsp;algorithms)</code>
<div class="block">Of any checksum files present, validate that the reference file conforms
the to the checksum.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/archiva/checksum/ChecksummedFile.html#parseChecksum-java.lang.String-org.apache.archiva.checksum.ChecksumAlgorithm-java.lang.String-">parseChecksum</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rawChecksumString,
<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;expectedHash,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;expectedPath)</code>
<div class="block">Parse a checksum string.</div>
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<pre>private final&nbsp;org.slf4j.Logger <a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.52">log</a></pre>
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<pre>private static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a> <a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.54">METADATA_PATTERN</a></pre>
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<pre>private final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> <a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.56">referenceFile</a></pre>
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<pre>public&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.63">ChecksummedFile</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;referenceFile)</pre>
<div class="block">Construct a ChecksummedFile object.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>referenceFile</code> - </dd>
</dl>
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<a name="calculateChecksum-org.apache.archiva.checksum.ChecksumAlgorithm-">
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<h4>calculateChecksum</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.75">calculateChecksum</a>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;checksumAlgorithm)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Calculate the checksum based on a given checksum.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>checksumAlgorithm</code> - the algorithm to use.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the checksum string for the file.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if unable to calculate the checksum.</dd>
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<h4>createChecksum</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.94">createChecksum</a>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;checksumAlgorithm)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Creates a checksum file of the provided referenceFile.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>checksumAlgorithm</code> - the hash to use.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the checksum File that was created.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if there was a problem either reading the referenceFile, or writing the checksum file.</dd>
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<h4>getChecksumFile</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.112">getChecksumFile</a>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;checksumAlgorithm)</pre>
<div class="block">Get the checksum file for the reference file and hash.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>checksumAlgorithm</code> - the hash that we are interested in.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the checksum file to return</dd>
</dl>
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<h4>isValidChecksum</h4>
<pre>public&nbsp;boolean&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.129">isValidChecksum</a>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;algorithm)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><p>
Given a checksum file, check to see if the file it represents is valid according to the checksum.
</p>
<p>
NOTE: Only supports single file checksums of type MD5 or SHA1.
</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>algorithm</code> - the algorithms to check for.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the checksum is valid for the file it represents. or if the checksum file does not exist.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if the reading of the checksumFile or the file it refers to fails.</dd>
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<h4>isValidChecksums</h4>
<pre>public&nbsp;boolean&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.142">isValidChecksums</a>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>[]&nbsp;algorithms)</pre>
<div class="block">Of any checksum files present, validate that the reference file conforms
the to the checksum.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>algorithms</code> - the algorithms to check for.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the checksums report that the the reference file is valid, false if invalid.</dd>
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<h4>fixChecksums</h4>
<pre>public&nbsp;boolean&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.218">fixChecksums</a>(<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>[]&nbsp;algorithms)</pre>
<div class="block">Fix or create checksum files for the reference file.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>algorithms</code> - the hashes to check for.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if checksums were created successfully.</dd>
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<h4>isValidChecksumPattern</h4>
<pre>private&nbsp;boolean&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.283">isValidChecksumPattern</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;filename,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path)</pre>
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<h4>parseChecksum</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../src-html/org/apache/archiva/checksum/ChecksummedFile.html#line.309">parseChecksum</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;rawChecksumString,
<a href="../../../../org/apache/archiva/checksum/ChecksumAlgorithm.html" title="enum in org.apache.archiva.checksum">ChecksumAlgorithm</a>&nbsp;expectedHash,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;expectedPath)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Parse a checksum string.
<p>
Validate the expected path, and expected checksum algorithm, then return
the trimmed checksum hex string.
</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rawChecksumString</code> - </dd>
<dd><code>expectedHash</code> - </dd>
<dd><code>expectedPath</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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