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.os.Parcelable; 20 import android.os.Parcel; 21 import android.net.Uri; 22 import android.util.Log; 23 24 import java.util.ArrayList; 25 26 /** 27 * Objects that pass through the ContentProvider and ContentResolver's methods that deal with 28 * Entities must implement this abstract base class and thus themselves be Parcelable. 29 * @hide 30 */ 31 public final class Entity implements Parcelable { 32 final private ContentValues mValues; 33 final private ArrayList<NamedContentValues> mSubValues; 34 Entity(ContentValues values)35 public Entity(ContentValues values) { 36 mValues = values; 37 mSubValues = new ArrayList<NamedContentValues>(); 38 } 39 getEntityValues()40 public ContentValues getEntityValues() { 41 return mValues; 42 } 43 getSubValues()44 public ArrayList<NamedContentValues> getSubValues() { 45 return mSubValues; 46 } 47 addSubValue(Uri uri, ContentValues values)48 public void addSubValue(Uri uri, ContentValues values) { 49 mSubValues.add(new Entity.NamedContentValues(uri, values)); 50 } 51 describeContents()52 public int describeContents() { 53 return 0; 54 } 55 writeToParcel(Parcel dest, int flags)56 public void writeToParcel(Parcel dest, int flags) { 57 mValues.writeToParcel(dest, 0); 58 dest.writeInt(mSubValues.size()); 59 for (NamedContentValues value : mSubValues) { 60 value.uri.writeToParcel(dest, 0); 61 value.values.writeToParcel(dest, 0); 62 } 63 } 64 Entity(Parcel source)65 private Entity(Parcel source) { 66 mValues = ContentValues.CREATOR.createFromParcel(source); 67 final int numValues = source.readInt(); 68 mSubValues = new ArrayList<NamedContentValues>(numValues); 69 for (int i = 0; i < numValues; i++) { 70 final Uri uri = Uri.CREATOR.createFromParcel(source); 71 final ContentValues values = ContentValues.CREATOR.createFromParcel(source); 72 mSubValues.add(new NamedContentValues(uri, values)); 73 } 74 } 75 76 public static final Creator<Entity> CREATOR = new Creator<Entity>() { 77 public Entity createFromParcel(Parcel source) { 78 return new Entity(source); 79 } 80 81 public Entity[] newArray(int size) { 82 return new Entity[size]; 83 } 84 }; 85 86 public static class NamedContentValues { 87 public final Uri uri; 88 public final ContentValues values; 89 NamedContentValues(Uri uri, ContentValues values)90 public NamedContentValues(Uri uri, ContentValues values) { 91 this.uri = uri; 92 this.values = values; 93 } 94 } 95 toString()96 public String toString() { 97 final StringBuilder sb = new StringBuilder(); 98 sb.append("Entity: ").append(getEntityValues()); 99 for (Entity.NamedContentValues namedValue : getSubValues()) { 100 sb.append("\n ").append(namedValue.uri); 101 sb.append("\n -> ").append(namedValue.values); 102 } 103 return sb.toString(); 104 } 105 } 106