Java tutorial
//package com.java2s; /* * Copyright 2016 The Coinblesk team and the CSG Group at University of Zurich * * 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.URL; public class Main { public static boolean isValidHttpUrl(String uri) { try { URL url = new URL(uri); return "http".equals(url.getProtocol()); } catch (Exception e) { return false; } } }