1/*
2 * Copyright (C) 2008 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 com.android.calculator2;
18
19import java.io.DataInput;
20import java.io.DataOutput;
21import java.io.IOException;
22
23class HistoryEntry {
24    private static final int VERSION_1 = 1;
25    private String mBase;
26    private String mEdited;
27
28    HistoryEntry(String str) {
29        mBase = str;
30        clearEdited();
31    }
32
33    HistoryEntry(int version, DataInput in) throws IOException {
34        if (version >= VERSION_1) {
35            mBase   = in.readUTF();
36            mEdited = in.readUTF();
37            //Calculator.log("load " + mEdited);
38        } else {
39            throw new IOException("invalid version " + version);
40        }
41    }
42
43    void write(DataOutput out) throws IOException {
44        out.writeUTF(mBase);
45        out.writeUTF(mEdited);
46        //Calculator.log("save " + mEdited);
47    }
48
49    @Override
50    public String toString() {
51        return mBase;
52    }
53
54    void clearEdited() {
55        mEdited = mBase;
56    }
57
58    String getEdited() {
59        return mEdited;
60    }
61
62    void setEdited(String edited) {
63        mEdited = edited;
64    }
65
66    String getBase() {
67        return mBase;
68    }
69}
70