com.github.eirslett.maven.plugins.frontend.lib.Utils Maven / Gradle / Ivy

package com.github.eirslett.maven.plugins.frontend.lib;

import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

final class Utils {
    public static List merge(List first, List second) {
        ArrayList result = new ArrayList(first);
        result.addAll(second);
        return result;
    }

    public static List prepend(String first, List list){
        return merge(Arrays.asList(first), list);
    }

    public static String normalize(String path){
        return path.replace("/", File.separator);
    }

    public static String implode(String separator, List elements){
        StringBuffer s = new StringBuffer();
        for(int i = 0; i < elements.size(); i++){
            if(i > 0){
                s.append(" ");
            }
            s.append(elements.get(i));
        }
        return s.toString();
    }

    public static boolean isRelative(String path) {
        return !path.startsWith("/") && !path.startsWith("file:") && !path.matches("^[a-zA-Z]:\\\\.*");
    }
}