Mercurial > repos > timpalpant > java_genomics_toolkit
diff java-genomics-toolkit/src/edu/unc/genomics/PositiveIntegerValidator.java @ 0:1daf3026d231
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author | timpalpant |
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date | Mon, 13 Feb 2012 21:55:55 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/java-genomics-toolkit/src/edu/unc/genomics/PositiveIntegerValidator.java Mon Feb 13 21:55:55 2012 -0500 @@ -0,0 +1,23 @@ +package edu.unc.genomics; + +import com.beust.jcommander.IParameterValidator; +import com.beust.jcommander.ParameterException; + +/** + * @author timpalpant + * + */ +public class PositiveIntegerValidator implements IParameterValidator { + + /* (non-Javadoc) + * @see com.beust.jcommander.IParameterValidator#validate(java.lang.String, java.lang.String) + */ + @Override + public void validate(String name, String value) throws ParameterException { + int n = Integer.parseInt(value); + if (n <= 0) { + throw new ParameterException("Parameter "+name+" must be > 0 (was "+value+")"); + } + } + +}