| /* |
| * Copyright (C) 2016 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.ext.ExtKt; |
| import android.databinding.tool.reflection.ModelAnalyzer; |
| import android.databinding.tool.reflection.ModelClass; |
| import android.databinding.tool.util.BrNameUtil; |
| import android.databinding.tool.util.L; |
| |
| public class ObservableFieldExpr extends FieldAccessExpr { |
| |
| ObservableFieldExpr(Expr parent, String name) { |
| super(parent, name); |
| } |
| |
| @Override |
| public Expr resolveListeners(ModelClass listener, Expr parent) { |
| return this; // ObservableFields aren't listeners |
| } |
| |
| @Override |
| protected String computeUniqueKey() { |
| return join(mName, "..", getTarget().getUniqueKey()); |
| } |
| |
| @Override |
| protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { |
| if (mGetter == null) { |
| Expr target = getTarget(); |
| target.getResolvedType(); |
| boolean isStatic = target instanceof StaticIdentifierExpr; |
| ModelClass resolvedType = target.getResolvedType(); |
| L.d("resolving %s. Resolved class type: %s", this, resolvedType); |
| |
| mGetter = resolvedType.findGetterOrField(mName, isStatic); |
| |
| if (mGetter == null) { |
| L.e("Could not find accessor %s.%s", resolvedType.getCanonicalName(), mName); |
| return null; |
| } |
| |
| if (mGetter.isStatic() && !isStatic) { |
| // found a static method on an instance. register a new one |
| replaceStaticIdentifier(resolvedType); |
| } |
| if (hasBindableAnnotations()) { |
| mBrName = ExtKt.br(BrNameUtil.brKey(getGetter())); |
| } else { |
| mBrName = ExtKt.br(mName); |
| } |
| } |
| return mGetter.resolvedType; |
| } |
| |
| @Override |
| public Expr cloneToModel(ExprModel model) { |
| final Expr clonedTarget = getTarget().cloneToModel(model); |
| return model.observableField(clonedTarget, mName); |
| } |
| |
| @Override |
| public String toString() { |
| return getTarget().toString() + '.' + mName; |
| } |
| } |