1 /* 2 * Copyright (C) 2011 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.contacts.common.util; 18 19 import android.net.Uri; 20 21 /** 22 * Utility methods for dealing with URIs. 23 */ 24 public class UriUtils { 25 /** Static helper, not instantiable. */ 26 private UriUtils() {} 27 28 /** Checks whether two URI are equal, taking care of the case where either is null. */ 29 public static boolean areEqual(Uri uri1, Uri uri2) { 30 if (uri1 == null && uri2 == null) { 31 return true; 32 } 33 if (uri1 == null || uri2 == null) { 34 return false; 35 } 36 return uri1.equals(uri2); 37 } 38 39 /** Parses a string into a URI and returns null if the given string is null. */ 40 public static Uri parseUriOrNull(String uriString) { 41 if (uriString == null) { 42 return null; 43 } 44 return Uri.parse(uriString); 45 } 46 47 /** Converts a URI into a string, returns null if the given URI is null. */ 48 public static String uriToString(Uri uri) { 49 return uri == null ? null : uri.toString(); 50 } 51 } 52
