Home | History | Annotate | Download | only in calculator2
      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 
     17 package com.android.calculator2;
     18 
     19 import java.io.DataInput;
     20 import java.io.DataOutput;
     21 import java.io.IOException;
     22 
     23 class 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