IMI-Application/src/main/java/de/vanitasvitae/imi/codes/Main.java

104 lines
3.9 KiB
Java

package de.vanitasvitae.imi.codes;
import java.io.File;
import java.io.IOException;
import de.vanitasvitae.imi.codes.input.Arguments;
import de.vanitasvitae.imi.codes.input.InputValidator;
import de.vanitasvitae.imi.codes.input.InvalidOptionException;
import de.vanitasvitae.imi.codes.persistence.FileRepository;
import de.vanitasvitae.imi.codes.types.SampleTubeCode;
import de.vanitasvitae.imi.codes.types.SampleType;
import de.vanitasvitae.imi.codes.types.StudyNumber;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
public class Main {
private static final String NAME_JAR = "imicodes";
private static final String HELP_HEADER = "Generate ID codes for sample tubes.";
private static final String HELP_FOOTER = "\nAuthor: Paul Schaub <paul.schaub@wwu.de>";
public static void main(String[] args) {
Options options = Arguments.getCommandLineOptions();
CommandLineParser parser = new DefaultParser();
CommandLine arguments;
try {
arguments = parser.parse(options, args);
} catch (ParseException e) {
System.out.println(e.getMessage());
printHelp(options);
return;
}
// User issues '-h', so just show help text and exit right now.
if (arguments.hasOption(Arguments.HELP)) {
printHelp(options);
return;
}
// Parse arguments
StudyNumber studyNumber;
SampleType sampleType;
int numberOfCodes;
File outputPath;
boolean externalBrowser;
try {
studyNumber = InputValidator.validateStudyNumber(arguments.getOptionValue(Arguments.STUDY_NUMBER));
sampleType = InputValidator.validateSampleType(arguments.getOptionValue(Arguments.SAMPLE_TYPE));
numberOfCodes = InputValidator.validateNumberOfCodes(arguments.getOptionValue(Arguments.NUMBER_CODES));
outputPath = InputValidator.validateOutputPath(arguments.getOptionValue(Arguments.OUTPUT_DESTINATION));
externalBrowser = arguments.hasOption(Arguments.EXTERNAL_BROWSER);
} catch (InvalidOptionException e) {
// Something is wrong with the users input, so exit.
System.out.println(e.getMessage());
return;
}
FileRepository repository = new FileRepository(new File(".imicodes"));
// Read the next sample code from file
int nextSampleCode = repository.nextSampleCode(studyNumber);
int nextTotal = nextSampleCode + numberOfCodes;
// Check, if we'd have an overflow of sample numbers
// We check like this to prevent integer overflows
if (nextSampleCode > 9999 || numberOfCodes > 9999 || nextTotal - 1 > 9999) {
System.out.println("Study " + studyNumber + "would have too many sample tubes" +
" (" + (nextTotal - 1) + "). Aborting.");
return;
}
// Write back the number of the next sample number that should be generated next time
try {
repository.writeNextSampleCode(studyNumber, nextSampleCode + numberOfCodes);
} catch (IOException e) {
e.printStackTrace();
return;
}
// Now we are finished with dangerous IO...
// Generate codes
for (int i = 0; i < numberOfCodes; i++) {
System.out.println(new SampleTubeCode(studyNumber, sampleType, nextSampleCode + i));
}
}
/**
* Print a descriptive help text to the console.
*
* @param options {@link Options} for which we want to print a help text.
*/
private static void printHelp(Options options) {
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp(NAME_JAR, HELP_HEADER, options, HELP_FOOTER, true);
}
}