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README.md
pom.xml

README.md

flags

This is a library to help developers build neatly formatted and easy to understand command line parsing.

example

This example can be run with the command java FlagsStarter --help which will print the command line help, or java FlagsStarter --text HelloWorld --times 2 --active true which will print "HelloWorld" 2 times.

import org.cloudname.flags.Flag;
import org.cloudname.flags.Flags;

public class FlagsStarter {

    @Flag(name="text", defaultValue="Default boring text", description="Output text")
    public static String text;

    @Flag(name="times", defaultValue="1", required=true, description="Number of times to print output text")
    public static int times;

    @Flag(name="active", defaultValue="false", required=true, description="Should I run the task?")
    public static boolean active;

    public FlagsStarter() {
        if (active) {
            for (int i = 0; i < times; i++) {
                System.out.println(text);
            }
        }
    }

    /**
    * @param args
    */
    public static void main(String[] args) {
        Flags flags = new Flags()
            .loadOpts(FlagsStarter.class)
            .parse(args);

        //quit if help has been called
        if (flags.helpCalled())
            return;

        FlagsStarter starter = new FlagsStarter();
    }

}
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