com.github.dreamhead.moco.util.URLs Maven / Gradle / Ivy

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Moco is an easy setup stub framework, mainly focusing on testing and integration.

There is a newer version: 1.5.0

package com.github.dreamhead.moco.util;

import com.google.common.base.Strings;

import java.net.MalformedURLException;
import java.net.URL;

import static com.github.dreamhead.moco.util.Preconditions.checkNotNullOrEmpty;

public final class URLs {
    private static final String SEPARATOR = "/";

    public static String toBase(final String baseUri) {
        if (baseUri.endsWith(SEPARATOR)) {
            return baseUri;
        }

        return baseUri + SEPARATOR;
    }

    public static String join(final String base, final String path) {
        String joinPath = toJoinPath(path);
        if (base.endsWith(SEPARATOR)) {
            return base + joinPath;
        }

        if (joinPath.isEmpty()) {
            return base;
        }

        return base + SEPARATOR + joinPath;
    }

    private static String toJoinPath(final String path) {
        if (Strings.isNullOrEmpty(path)) {
            return "";
        }

        if (path.startsWith(SEPARATOR)) {
            return path.substring(1);
        }

        return path;
    }

    public static URL toUrl(final String url) {
        try {
            return new URL(checkNotNullOrEmpty(url, "URL should not be null"));
        } catch (MalformedURLException e) {
            throw new IllegalArgumentException(e);
        }
    }

    private URLs() {}
}