77 lines
2.6 KiB
Java
77 lines
2.6 KiB
Java
package de.vanitasvitae.imi.codes.input;
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import java.io.File;
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import de.vanitasvitae.imi.codes.types.SampleType;
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import de.vanitasvitae.imi.codes.types.StudyNumber;
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public class InputValidator {
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// Allowed characters
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public static final String REGEX_ALPHABET = "[a-zA-Z0-9]";
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public static final String ALPHABET = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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/**
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* Validate a given study number. Valid study numbers are 3-letter codes from the alphabet [a-zA-Z0-9].
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*
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* @param in input String
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* @return unmodified input String if it matches.
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*
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* @throws InvalidOptionException if the input String doesn't match the regex.
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*/
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public static StudyNumber validateStudyNumber(String in) throws InvalidOptionException {
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return new StudyNumber(in);
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}
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/**
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* Validate a given sample type. Valid types are found in {@link SampleType}.#
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*
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* @param in input String
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* @return parsed {@link SampleType}.
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*
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* @throws InvalidOptionException if the given String doesn't match a {@link SampleType}.
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* @throws NullPointerException in case the given String is {@code null}.
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*/
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public static SampleType validateSampleType(String in) throws InvalidOptionException {
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return new SampleType(in);
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}
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/**
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* Validate, that the user provided number of codes to be generated is an integer greater than 0.
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*
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* @param in input String
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* @return number of codes to be generated.
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*
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* @throws InvalidOptionException in case the input string is
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*/
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public static int validateNumberOfCodes(String in) throws InvalidOptionException {
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int i;
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try {
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i = Integer.parseInt(in);
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} catch (NumberFormatException e) {
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throw new InvalidOptionException("Invalid input \"" + in + "\". Please enter a positive number.", e);
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}
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if (i <= 0) {
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throw new InvalidOptionException("Number of generated codes must be greater than 0.");
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}
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return i;
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}
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/**
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* Validate, that the user-provided path is writable and that any parent folders exist.
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* Otherwise throw a {@link InvalidOptionException}.
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*
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* @param path file path (absolut or relative) as a string.
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* @return file
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*
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* @throws InvalidOptionException in case any parent folder does not exist, the path points to a directory or the
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* destination is not writable.
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*/
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public static File validateOutputPath(String path) throws InvalidOptionException {
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// TODO
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return null;
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}
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}
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