Here you can find the source of makeUrl(String base, String suffix)
public static URL makeUrl(String base, String suffix)
//package com.java2s; /*// w ww.j av a2s . c om * Copyright 2011 Google Inc. All Rights Reserved. * * 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. */ import java.net.MalformedURLException; import java.net.URL; public class Main { public static URL makeUrl(String base, String suffix) { try { return new URL(pathCat(base, suffix)); } catch (MalformedURLException e) { throw new RuntimeException("Internal error", e); } } public static String pathCat(String base, String suffix) { if (!base.endsWith("/") && !suffix.isEmpty()) { base += "/"; } return base + suffix; } }