com.tailoredshapes.underbar.UnderString Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ocho Show documentation

Foundational functions inspired by Clojure and underscore.js

There is a newer version: 0.1.2

package com.tailoredshapes.underbar;

import java.net.URLEncoder;
import java.util.Iterator;
import java.util.List;

import static com.tailoredshapes.underbar.Die.rethrow;
import static com.tailoredshapes.underbar.UnderBar.hash;
import static com.tailoredshapes.underbar.UnderBar.map;


public interface UnderString {
    static String reverse(CharSequence s) {
        return new StringBuilder(s).reverse().toString();
    }

    static  String commaSep(List list) {
        return join(",", list);
    }

    static String join(Iterable coll) {
        StringBuilder sb = new StringBuilder();
        map(coll, sb::append);
        return sb.toString();
    }

    static String join(Object... os) {
        return join(map(os, Object::toString));
    }

    static  String join(String separator, Iterable coll) {
        Iterator iterator = coll.iterator();

        StringBuilder sb;

        if (iterator.hasNext()) {
            sb = new StringBuilder(iterator.next().toString());
        } else {
            return "";
        }

        while (iterator.hasNext()) {
            sb.append(separator).append(iterator.next());
        }

        return sb.toString();
    }

    static  String toString(V v) {
        return v.toString();
    }

    static String urlEncode(String s) {
        return rethrow(() -> URLEncoder.encode(s, "UTF-8"));
    }

    static boolean hasContent(String s) {
        return s.trim().length() > 0;
    }


}