io.fabric8.docker.client.utils.URLUtils Maven / Gradle / Ivy
/*
* Copyright (C) 2016 Original Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package io.fabric8.docker.client.utils;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class URLUtils {
private static final Pattern URL_PATTERN = Pattern.compile("(?^\\w+:((/{2}))?)[^ ]+");
private URLUtils() {}
public static String join(String... parts) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < parts.length; i++) {
sb.append(parts[i]);
if (i < parts.length - 1) {
sb.append("/");
}
}
String joined = sb.toString();
// And normalize it...
return joined
.replaceAll("/$", "")
.replaceAll("/+", "/")
.replaceAll("/\\?", "?")
.replaceAll("/#", "#")
.replaceAll(":/", "://");
}
public static String withProtocol(String url, String protocol) {
Matcher m = URL_PATTERN.matcher(url);
if (m.matches()) {
String originalProtocol = m.group("protocol");
return protocol + url.substring(originalProtocol.length());
}
throw new IllegalArgumentException();
}
}