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
17package com.android.contacts.util;
18
19import android.net.Uri;
20
21/**
22 * Utility methods for dealing with URIs.
23 */
24public 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