Here you can find the source of getUriScheme(String address)
private static String getUriScheme(String address)
//package com.java2s; /*/* ww w . j av a2s . c o m*/ * JBoss, Home of Professional Open Source. * Copyright 2014, Red Hat Middleware LLC, and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ import java.net.URI; import java.net.URISyntaxException; public class Main { private static final String HTTP = "http"; private static String getUriScheme(String address) { try { URI addrURI = new URI(address); String scheme = addrURI.getScheme(); return scheme != null ? scheme : HTTP; } catch (URISyntaxException e) { return HTTP; } } }