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/*
* Copyright (C) 2021 The Dagger Authors.
*
* 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 dagger.spi.model;
import com.google.auto.value.AutoValue;
import com.google.devtools.ksp.symbol.KSAnnotated;
import javax.annotation.Nullable;
import javax.lang.model.element.Element;
/** Wrapper type for an element. */
@AutoValue
public abstract class DaggerElement {
public static DaggerElement fromJavac(Element element) {
return new AutoValue_DaggerElement(element, null);
}
public static DaggerElement fromKsp(KSAnnotated ksp) {
return new AutoValue_DaggerElement(null, ksp);
}
/**
* Java representation for the element, returns {@code null} not using java annotation processor.
*/
@Nullable
public abstract Element java();
/** KSP declaration for the element, returns {@code null} not using KSP. */
@Nullable
public abstract KSAnnotated ksp();
public DaggerProcessingEnv.Backend backend() {
if (java() != null) {
return DaggerProcessingEnv.Backend.JAVAC;
} else if (ksp() != null) {
return DaggerProcessingEnv.Backend.KSP;
}
throw new AssertionError("Unexpected backend");
}
@Override
public final String toString() {
switch (backend()) {
case JAVAC:
return java().toString();
case KSP:
return ksp().toString();
}
throw new IllegalStateException(String.format("Backend %s not supported yet.", backend()));
}
}
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