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<h2 title="Interface DataMapper" class="title">Interface DataMapper</h2>
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<dd><a href="../../junitparams/mappers/CsvWithHeaderMapper.html" title="class in junitparams.mappers">CsvWithHeaderMapper</a>, <a href="../../junitparams/mappers/IdentityMapper.html" title="class in junitparams.mappers">IdentityMapper</a></dd>
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<pre>public interface <span class="typeNameLabel">DataMapper</span></pre>
<div class="block">Interface to be used by FileParameters'ized test methods. If you want to read
 your own format of data from file, implement the map method appropriately.
 For CSV files, just skip it.</div>
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<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Pawel Lipinski</dd>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../junitparams/mappers/DataMapper.html#map-java.io.Reader-">map</a></span>(<a href="http://docs.oracle.com/javase/6/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;reader)</code>
<div class="block">Maps file contents to parameters.</div>
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<h4>map</h4>
<pre><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;map(<a href="http://docs.oracle.com/javase/6/docs/api/java/io/Reader.html?is-external=true" title="class or interface in java.io">Reader</a>&nbsp;reader)</pre>
<div class="block">Maps file contents to parameters. In your implementation read the data
 from the reader. The reader is closed in the framework, so just read it
 :)

 While reading transform the data into Object[][], where external
 dimension are different parameter sets, and internal dimension is the set
 of params per single test call

 You can optionally return Object[] with Strings inside, but each String
 must be a string in the same format as what you would normally pass to
 &#064;Parameters({})</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>reader</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an array with all parameter sets</dd>
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