Java tutorial
//package com.java2s; /* * Copyright (C) 2012 The Android Open Source Project * * 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.URI; import java.net.URL; public class Main { public static int getEffectivePort(URI uri) { return getEffectivePort(uri.getScheme(), uri.getPort()); } public static int getEffectivePort(URL url) { return getEffectivePort(url.getProtocol(), url.getPort()); } private static int getEffectivePort(String scheme, int specifiedPort) { return specifiedPort != -1 ? specifiedPort : getDefaultPort(scheme); } public static int getDefaultPort(String scheme) { if ("http".equalsIgnoreCase(scheme)) { return 80; } else if ("https".equalsIgnoreCase(scheme)) { return 443; } else { return -1; } } }