1 /* 2 * Copyright (C) 2019 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.processor.compat.unsupportedappusage; 18 19 import com.google.common.base.Splitter; 20 21 import java.io.BufferedReader; 22 import java.io.IOException; 23 import java.io.InputStream; 24 import java.io.InputStreamReader; 25 import java.util.ArrayList; 26 import java.util.HashMap; 27 import java.util.List; 28 import java.util.Map; 29 30 public class CsvReader { 31 32 private final Splitter mSplitter; 33 private final List<String> mColumns; 34 private final List<Map<String, String>> mContents; 35 CsvReader(InputStream in)36 public CsvReader(InputStream in) throws IOException { 37 mSplitter = Splitter.on(","); 38 BufferedReader br = new BufferedReader(new InputStreamReader(in)); 39 mColumns = mSplitter.splitToList(br.readLine()); 40 mContents = new ArrayList<>(); 41 String line = br.readLine(); 42 while (line != null) { 43 List<String> contents = mSplitter.splitToList(line); 44 Map<String, String> contentMap = new HashMap<>(); 45 for (int i = 0; i < Math.min(contents.size(), mColumns.size()); ++i) { 46 contentMap.put(mColumns.get(i), contents.get(i)); 47 } 48 mContents.add(contentMap); 49 line = br.readLine(); 50 } 51 br.close(); 52 } 53 getColumns()54 public List<String> getColumns() { 55 return mColumns; 56 } 57 getContents()58 public List<Map<String, String>> getContents() { 59 return mContents; 60 } 61 } 62