Here you can find the source of uri(String host, String prefix, String path)
public static URI uri(String host, String prefix, String path) throws URISyntaxException
//package com.java2s; /*// w w w . java 2s. c o m * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.URI; import java.net.URISyntaxException; public class Main { public static URI uri(String host, String prefix, String path) throws URISyntaxException { String name = host; int port = 80; int index = host.indexOf(':'); if (index > 0) { String[] split = host.split(":"); name = split[0]; port = Integer.valueOf(split[1]); } return new URI("http", null, name, port, prefix + "/" + path, null, null); } }