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