| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.databinding.tool.expr; |
| |
| import android.databinding.tool.reflection.ModelAnalyzer; |
| import android.databinding.tool.reflection.ModelClass; |
| import android.databinding.tool.writer.KCode; |
| |
| import java.util.List; |
| |
| public class CastExpr extends Expr { |
| |
| final String mType; |
| |
| CastExpr(String type, Expr expr) { |
| super(expr); |
| mType = type; |
| } |
| |
| @Override |
| protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { |
| return modelAnalyzer.findClass(mType, getModel().getImports()); |
| } |
| |
| @Override |
| protected List<Dependency> constructDependencies() { |
| final List<Dependency> dependencies = constructDynamicChildrenDependencies(); |
| for (Dependency dependency : dependencies) { |
| dependency.setMandatory(true); |
| } |
| return dependencies; |
| } |
| |
| protected String computeUniqueKey() { |
| return join(mType, getCastExpr().computeUniqueKey()); |
| } |
| |
| public Expr getCastExpr() { |
| return getChildren().get(0); |
| } |
| |
| public String getCastType() { |
| return getResolvedType().toJavaCode(); |
| } |
| |
| @Override |
| protected KCode generateCode() { |
| return new KCode() |
| .app("(") |
| .app(getCastType()) |
| .app(") (", getCastExpr().toCode()) |
| .app(")"); |
| } |
| |
| @Override |
| public String getInvertibleError() { |
| return getCastExpr().getInvertibleError(); |
| } |
| |
| @Override |
| public Expr generateInverse(ExprModel model, Expr value, String bindingClassName) { |
| Expr castExpr = getCastExpr(); |
| ModelClass exprType = castExpr.getResolvedType(); |
| Expr castValue = model.castExpr(exprType.toJavaCode(), value); |
| return castExpr.generateInverse(model, castValue, bindingClassName); |
| } |
| |
| @Override |
| public Expr cloneToModel(ExprModel model) { |
| return model.castExpr(mType, getCastExpr().cloneToModel(model)); |
| } |
| |
| @Override |
| public String toString() { |
| return "(" + mType + ") " + getCastExpr(); |
| } |
| } |