Here you can find the source of normalizeUrlPath(String protocol, String host, int portNumber, String basePath)
public static String normalizeUrlPath(String protocol, String host, int portNumber, String basePath)
//package com.java2s; /**//from ww w. j a va 2s . c o m * Copyright 2015 MKL Software * * 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. */ public class Main { public static String normalizeUrlPath(String protocol, String host, int portNumber, String basePath) { // host = host.matches("[a-z]+:///?.*") ? host : "http://" + host; host = protocol + "://" + host; String port = portNumber == 80 ? "" : ":" + portNumber; String path = basePath; path = path.startsWith("/") || path.isEmpty() ? path : "/" + path; String url = host + port + path; // normalize "/" but after http:// section: url = url.substring(0, 7) + url.substring(7).replaceAll("//", "/"); return url; } }