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 17package android.databinding.tool.expr; 18 19import android.databinding.tool.reflection.ModelAnalyzer; 20import android.databinding.tool.reflection.ModelClass; 21import android.databinding.tool.writer.KCode; 22 23import java.util.ArrayList; 24import java.util.List; 25 26public class SymbolExpr extends Expr { 27 String mText; 28 Class mType; 29 30 SymbolExpr(String text, Class type) { 31 super(); 32 mText = text; 33 mType = type; 34 } 35 36 public String getText() { 37 return mText; 38 } 39 40 @Override 41 protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { 42 return modelAnalyzer.findClass(mType); 43 } 44 45 @Override 46 protected String computeUniqueKey() { 47 return mType.getSimpleName() + mText; 48 } 49 50 @Override 51 public String getInvertibleError() { 52 return "Symbol '" + mText + "' cannot be the target of a two-way binding expression"; 53 } 54 55 @Override 56 protected KCode generateCode(boolean expand) { 57 return new KCode(getText()); 58 } 59 60 @Override 61 protected List<Dependency> constructDependencies() { 62 return new ArrayList<Dependency>(); 63 } 64} 65