1/*
2 * Copyright (C) 2009 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 android.content;
18
19import android.net.Uri;
20import android.os.Parcelable;
21import android.os.Parcel;
22
23/**
24 * Contains the result of the application of a {@link ContentProviderOperation}. It is guaranteed
25 * to have exactly one of {@link #uri} or {@link #count} set.
26 */
27public class ContentProviderResult implements Parcelable {
28    public final Uri uri;
29    public final Integer count;
30
31    public ContentProviderResult(Uri uri) {
32        if (uri == null) throw new IllegalArgumentException("uri must not be null");
33        this.uri = uri;
34        this.count = null;
35    }
36
37    public ContentProviderResult(int count) {
38        this.count = count;
39        this.uri = null;
40    }
41
42    public ContentProviderResult(Parcel source) {
43        int type = source.readInt();
44        if (type == 1) {
45            count = source.readInt();
46            uri = null;
47        } else {
48            count = null;
49            uri = Uri.CREATOR.createFromParcel(source);
50        }
51    }
52
53    public void writeToParcel(Parcel dest, int flags) {
54        if (uri == null) {
55            dest.writeInt(1);
56            dest.writeInt(count);
57        } else {
58            dest.writeInt(2);
59            uri.writeToParcel(dest, 0);
60        }
61    }
62
63    public int describeContents() {
64        return 0;
65    }
66
67    public static final Creator<ContentProviderResult> CREATOR =
68            new Creator<ContentProviderResult>() {
69        public ContentProviderResult createFromParcel(Parcel source) {
70            return new ContentProviderResult(source);
71        }
72
73        public ContentProviderResult[] newArray(int size) {
74            return new ContentProviderResult[size];
75        }
76    };
77
78    public String toString() {
79        if (uri != null) {
80            return "ContentProviderResult(uri=" + uri.toString() + ")";
81        }
82        return "ContentProviderResult(count=" + count + ")";
83    }
84}