1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.browser; 18 19 import android.net.Uri; 20 21 /** 22 * Utility methods for Url manipulation 23 */ 24 public class UrlUtils { 25 // Determine if this URI appears to be a Google property isGoogleUri(Uri uri)26 /* package */ static boolean isGoogleUri(Uri uri) { 27 String scheme = uri.getScheme(); 28 if (!"http".equals(scheme) && !"https".equals(scheme)) { 29 return false; 30 } 31 32 String host = uri.getHost(); 33 if (host == null) { 34 return false; 35 } 36 String[] hostComponents = host.split("\\."); 37 if (hostComponents.length < 2) { 38 return false; 39 } 40 41 int googleComponent = hostComponents.length - 2; 42 String component = hostComponents[googleComponent]; 43 if (!"google".equals(component)) { 44 if (hostComponents.length < 3 || 45 (!"co".equals(component) && !"com".equals(component))) { 46 return false; 47 } 48 googleComponent = hostComponents.length - 3; 49 if (!"google".equals(hostComponents[googleComponent])) { 50 return false; 51 } 52 } 53 return true; 54 } 55 } 56