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 17 package android.content; 18 19 import android.content.ContentProvider; 20 import android.net.Uri; 21 import android.os.UserHandle; 22 import android.os.Parcelable; 23 import android.os.Parcel; 24 25 /** 26 * Contains the result of the application of a {@link ContentProviderOperation}. It is guaranteed 27 * to have exactly one of {@link #uri} or {@link #count} set. 28 */ 29 public class ContentProviderResult implements Parcelable { 30 public final Uri uri; 31 public final Integer count; 32 ContentProviderResult(Uri uri)33 public ContentProviderResult(Uri uri) { 34 if (uri == null) throw new IllegalArgumentException("uri must not be null"); 35 this.uri = uri; 36 this.count = null; 37 } 38 ContentProviderResult(int count)39 public ContentProviderResult(int count) { 40 this.count = count; 41 this.uri = null; 42 } 43 ContentProviderResult(Parcel source)44 public ContentProviderResult(Parcel source) { 45 int type = source.readInt(); 46 if (type == 1) { 47 count = source.readInt(); 48 uri = null; 49 } else { 50 count = null; 51 uri = Uri.CREATOR.createFromParcel(source); 52 } 53 } 54 55 /** @hide */ ContentProviderResult(ContentProviderResult cpr, int userId)56 public ContentProviderResult(ContentProviderResult cpr, int userId) { 57 uri = ContentProvider.maybeAddUserId(cpr.uri, userId); 58 count = cpr.count; 59 } 60 writeToParcel(Parcel dest, int flags)61 public void writeToParcel(Parcel dest, int flags) { 62 if (uri == null) { 63 dest.writeInt(1); 64 dest.writeInt(count); 65 } else { 66 dest.writeInt(2); 67 uri.writeToParcel(dest, 0); 68 } 69 } 70 describeContents()71 public int describeContents() { 72 return 0; 73 } 74 75 public static final Creator<ContentProviderResult> CREATOR = 76 new Creator<ContentProviderResult>() { 77 public ContentProviderResult createFromParcel(Parcel source) { 78 return new ContentProviderResult(source); 79 } 80 81 public ContentProviderResult[] newArray(int size) { 82 return new ContentProviderResult[size]; 83 } 84 }; 85 toString()86 public String toString() { 87 if (uri != null) { 88 return "ContentProviderResult(uri=" + uri.toString() + ")"; 89 } 90 return "ContentProviderResult(count=" + count + ")"; 91 } 92 } 93