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/*
* 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, "..", super.computeUniqueKey());
}
@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;
}
}
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