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