1 /* 2 * Copyright (C) 2015 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.google.currysrc.processors; 17 18 import com.google.currysrc.api.process.Context; 19 import com.google.currysrc.api.process.Processor; 20 21 import org.eclipse.jdt.core.dom.ASTVisitor; 22 import org.eclipse.jdt.core.dom.CompilationUnit; 23 import org.eclipse.jdt.core.dom.StringLiteral; 24 import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; 25 26 /** 27 * Changes any string literals in the AST that start with {@code oldPrefix} to start with 28 * {@code newPrefix} instead. 29 */ 30 public class ModifyStringLiterals implements Processor { 31 32 private final String oldString; 33 34 private final String newString; 35 36 public ModifyStringLiterals(String oldString, final String newString) { 37 this.oldString = oldString; 38 this.newString = newString; 39 } 40 41 @Override 42 public void process(Context context, CompilationUnit cu) { 43 final ASTRewrite rewrite = context.rewrite(); 44 ASTVisitor visitor = new ASTVisitor(false /* visitDocTags */) { 45 @Override 46 public boolean visit(StringLiteral node) { 47 String literalValue = node.getLiteralValue(); 48 // TODO Replace with Pattern 49 if (literalValue.contains(oldString)) { 50 String newLiteralValue = literalValue.replace(oldString, newString); 51 StringLiteral newLiteral = node.getAST().newStringLiteral(); 52 newLiteral.setLiteralValue(newLiteralValue); 53 rewrite.replace(node, newLiteral, null /* editGorup */); 54 } 55 return false; 56 } 57 }; 58 cu.accept(visitor); 59 } 60 61 @Override 62 public String toString() { 63 return "ModifyStringLiterals{" + 64 "oldString='" + oldString + '\'' + 65 ", newString='" + newString + '\'' + 66 '}'; 67 } 68 } 69
