1 /* 2 * Copyright (C) 2016 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 package com.android.icu4j.srcgen; 17 18 import com.google.common.collect.Lists; 19 import com.google.currysrc.Main; 20 import com.google.currysrc.api.Rules; 21 import com.google.currysrc.api.input.InputFileGenerator; 22 import com.google.currysrc.api.output.OutputSourceFileGenerator; 23 import com.google.currysrc.api.process.Rule; 24 import com.google.currysrc.processors.ReplaceTextCommentScanner; 25 26 import java.io.File; 27 import java.util.List; 28 29 import static com.android.icu4j.srcgen.Icu4jTransformRules.createOptionalRule; 30 31 /** 32 * Applies Android's ICU4J source code transformation rules to test code, adds @RunWith annotations 33 * to test so that they can be run with JUnit and fixes up the jcite start/end tags. 34 * 35 * <p>Intended for use when transforming test code. 36 */ 37 public class Icu4jTestsTransform { 38 39 private static final boolean DEBUG = false; 40 41 private Icu4jTestsTransform() { 42 } 43 44 /** 45 * Usage: 46 * java com.android.icu4j.srcgen.Icu4jSampleTransform {source files/directories} {target dir} 47 */ 48 public static void main(String[] args) throws Exception { 49 new Main(DEBUG).execute(new Icu4jBasicRules(args)); 50 } 51 52 private static class Icu4jBasicRules implements Rules { 53 54 private final InputFileGenerator inputFileGenerator; 55 56 private final List<Rule> rules; 57 58 private final OutputSourceFileGenerator outputSourceFileGenerator; 59 60 public Icu4jBasicRules(String[] args) { 61 if (args.length < 2) { 62 throw new IllegalArgumentException("At least 2 arguments required."); 63 } 64 65 String[] inputDirNames = new String[args.length - 1]; 66 System.arraycopy(args, 0, inputDirNames, 0, args.length - 1); 67 inputFileGenerator = Icu4jTransformRules.createInputFileGenerator(inputDirNames); 68 rules = createTransformRules(); 69 outputSourceFileGenerator = Icu4jTransformRules.createOutputFileGenerator( 70 args[args.length - 1]); 71 } 72 73 @Override 74 public List<Rule> getRuleList(File ignored) { 75 return rules; 76 } 77 78 @Override 79 public InputFileGenerator getInputFileGenerator() { 80 return inputFileGenerator; 81 } 82 83 @Override 84 public OutputSourceFileGenerator getOutputSourceFileGenerator() { 85 return outputSourceFileGenerator; 86 } 87 88 private static List<Rule> createTransformRules() { 89 List<Rule> rules = 90 Lists.newArrayList(Icu4jTransform.Icu4jRules.getRepackagingRules()); 91 92 // Switch all embedded comment references from com.ibm.icu to android.icu. 93 rules.add( 94 createOptionalRule(new ReplaceTextCommentScanner( 95 Icu4jTransform.ORIGINAL_ICU_PACKAGE, Icu4jTransform.ANDROID_ICU_PACKAGE))); 96 97 // Change sample jcite begin / end tags ---XYZ to Androids 'BEGIN(XYZ)' / 'END(XYZ)' 98 rules.add(createOptionalRule(new TranslateJcite.BeginEndTagsHandler())); 99 100 return rules; 101 } 102 } 103 } 104