com.ociweb.pronghorn.util.MainArgs Maven / Gradle / Ivy

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Primary dependency for any project using the Pronghorn framework

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package com.ociweb.pronghorn.util;

public class MainArgs {

    public static String getOptArg(String longName, String shortName, String[] args, String defaultValue) {
        
        String prev = null;
        for (String token : args) {
            if (longName.equals(prev) || shortName.equals(prev)) {
                if (token == null || token.trim().length() == 0 || token.startsWith("-")) {
                    return defaultValue;
                }
                return reportChoice(longName, shortName, token.trim());
            }
            prev = token;
        }
        return reportChoice(longName, shortName, defaultValue);
    }
    

    public static boolean hasArg(String longName, String shortName, String[] args) {
        for(String token : args) {
            if(longName.equals(token) || shortName.equals(token)) {
            	reportChoice(longName, shortName, "");
                return true;
            }
        }
        return false;
    }
    
    static String reportChoice(final String longName, final String shortName, final String value) {
        System.out.append(longName).append(" ").append(shortName).append(" ").append(value).append("\n");
        return value;
    }
    
}