Mercurial > repos > timpalpant > java_genomics_toolkit

comparison src/edu/unc/genomics/ReadablePathValidator.java @ 2:e16016635b2a

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author timpalpant
date Mon, 13 Feb 2012 22:12:06 -0500
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1:a54db233ee3d 2:e16016635b2a
1 /**
2 *
3 */
4 package edu.unc.genomics;
5
6 import java.nio.file.Files;
7 import java.nio.file.Path;
8
9 import com.beust.jcommander.IParameterValidator;
10 import com.beust.jcommander.ParameterException;
11
12 /**
13 * @author timpalpant
14 *
15 */
16 public class ReadablePathValidator implements IParameterValidator {
17
18 /* (non-Javadoc)
19 * @see com.beust.jcommander.IParameterValidator#validate(java.lang.String, java.lang.String)
20 */
21 @Override
22 public void validate(String name, String value) throws ParameterException {
23 PathConverter converter = new PathConverter();
24 Path p = converter.convert(value);
25 if (!Files.isReadable(p)) {
26 throw new ParameterException("Parameter " + name + " should be a readable file");
27 }
28 }
29
30 }