1/*
2 * Copyright (C) 2006 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.database;
18
19import android.content.ContentResolver;
20import android.net.Uri;
21import android.os.Bundle;
22
23/**
24 * Wrapper class for Cursor that delegates all calls to the actual cursor object.  The primary
25 * use for this class is to extend a cursor while overriding only a subset of its methods.
26 */
27public class CursorWrapper implements Cursor {
28    /** @hide */
29    protected final Cursor mCursor;
30
31    /**
32     * Creates a cursor wrapper.
33     * @param cursor The underlying cursor to wrap.
34     */
35    public CursorWrapper(Cursor cursor) {
36        mCursor = cursor;
37    }
38
39    /**
40     * Gets the underlying cursor that is wrapped by this instance.
41     *
42     * @return The wrapped cursor.
43     */
44    public Cursor getWrappedCursor() {
45        return mCursor;
46    }
47
48    public void close() {
49        mCursor.close();
50    }
51
52    public boolean isClosed() {
53        return mCursor.isClosed();
54    }
55
56    public int getCount() {
57        return mCursor.getCount();
58    }
59
60    public void deactivate() {
61        mCursor.deactivate();
62    }
63
64    public boolean moveToFirst() {
65        return mCursor.moveToFirst();
66    }
67
68    public int getColumnCount() {
69        return mCursor.getColumnCount();
70    }
71
72    public int getColumnIndex(String columnName) {
73        return mCursor.getColumnIndex(columnName);
74    }
75
76    public int getColumnIndexOrThrow(String columnName)
77            throws IllegalArgumentException {
78        return mCursor.getColumnIndexOrThrow(columnName);
79    }
80
81    public String getColumnName(int columnIndex) {
82         return mCursor.getColumnName(columnIndex);
83    }
84
85    public String[] getColumnNames() {
86        return mCursor.getColumnNames();
87    }
88
89    public double getDouble(int columnIndex) {
90        return mCursor.getDouble(columnIndex);
91    }
92
93    public Bundle getExtras() {
94        return mCursor.getExtras();
95    }
96
97    public float getFloat(int columnIndex) {
98        return mCursor.getFloat(columnIndex);
99    }
100
101    public int getInt(int columnIndex) {
102        return mCursor.getInt(columnIndex);
103    }
104
105    public long getLong(int columnIndex) {
106        return mCursor.getLong(columnIndex);
107    }
108
109    public short getShort(int columnIndex) {
110        return mCursor.getShort(columnIndex);
111    }
112
113    public String getString(int columnIndex) {
114        return mCursor.getString(columnIndex);
115    }
116
117    public void copyStringToBuffer(int columnIndex, CharArrayBuffer buffer) {
118        mCursor.copyStringToBuffer(columnIndex, buffer);
119    }
120
121    public byte[] getBlob(int columnIndex) {
122        return mCursor.getBlob(columnIndex);
123    }
124
125    public boolean getWantsAllOnMoveCalls() {
126        return mCursor.getWantsAllOnMoveCalls();
127    }
128
129    public boolean isAfterLast() {
130        return mCursor.isAfterLast();
131    }
132
133    public boolean isBeforeFirst() {
134        return mCursor.isBeforeFirst();
135    }
136
137    public boolean isFirst() {
138        return mCursor.isFirst();
139    }
140
141    public boolean isLast() {
142        return mCursor.isLast();
143    }
144
145    public int getType(int columnIndex) {
146        return mCursor.getType(columnIndex);
147    }
148
149    public boolean isNull(int columnIndex) {
150        return mCursor.isNull(columnIndex);
151    }
152
153    public boolean moveToLast() {
154        return mCursor.moveToLast();
155    }
156
157    public boolean move(int offset) {
158        return mCursor.move(offset);
159    }
160
161    public boolean moveToPosition(int position) {
162        return mCursor.moveToPosition(position);
163    }
164
165    public boolean moveToNext() {
166        return mCursor.moveToNext();
167    }
168
169    public int getPosition() {
170        return mCursor.getPosition();
171    }
172
173    public boolean moveToPrevious() {
174        return mCursor.moveToPrevious();
175    }
176
177    public void registerContentObserver(ContentObserver observer) {
178        mCursor.registerContentObserver(observer);
179    }
180
181    public void registerDataSetObserver(DataSetObserver observer) {
182        mCursor.registerDataSetObserver(observer);
183    }
184
185    public boolean requery() {
186        return mCursor.requery();
187    }
188
189    public Bundle respond(Bundle extras) {
190        return mCursor.respond(extras);
191    }
192
193    public void setNotificationUri(ContentResolver cr, Uri uri) {
194        mCursor.setNotificationUri(cr, uri);
195    }
196
197    public void unregisterContentObserver(ContentObserver observer) {
198        mCursor.unregisterContentObserver(observer);
199    }
200
201    public void unregisterDataSetObserver(DataSetObserver observer) {
202        mCursor.unregisterDataSetObserver(observer);
203    }
204}
205
206