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// Copyright 2018 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.rules.android;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.packages.BuiltinProvider;
import com.google.devtools.build.lib.packages.NativeInfo;
import com.google.devtools.build.lib.skylarkbuildapi.android.AndroidAssetsInfoApi;
import com.google.devtools.build.lib.syntax.EvalException;
import com.google.devtools.build.lib.syntax.SkylarkNestedSet;
import java.util.Optional;
import javax.annotation.Nullable;
/** Provides information about transitive Android assets. */
public final class AndroidAssetsInfo extends NativeInfo
implements AndroidAssetsInfoApi<Artifact, ParsedAndroidAssets> {
public static final String PROVIDER_NAME = "AndroidAssetsInfo";
public static final Provider PROVIDER = new Provider();
private final Label label;
@Nullable private final Artifact validationResult;
private final NestedSet<ParsedAndroidAssets> directParsedAssets;
private final NestedSet<ParsedAndroidAssets> transitiveParsedAssets;
private final NestedSet<Artifact> transitiveAssets;
private final NestedSet<Artifact> transitiveSymbols;
/**
* Whether the local assets have been specified. This field is needed to distinguish between the
* situation when the local assets haven't been specified and the {@link #directParsedAssets}
* contains assets form the target's dependencies.
*/
private final boolean hasLocalAssets;
private final NestedSet<Artifact> transitiveCompiledSymbols;
static AndroidAssetsInfo empty(Label label) {
return new AndroidAssetsInfo(
label,
null,
NestedSetBuilder.emptySet(Order.NAIVE_LINK_ORDER),
NestedSetBuilder.emptySet(Order.NAIVE_LINK_ORDER),
NestedSetBuilder.emptySet(Order.NAIVE_LINK_ORDER),
NestedSetBuilder.emptySet(Order.NAIVE_LINK_ORDER),
NestedSetBuilder.emptySet(Order.NAIVE_LINK_ORDER));
}
public static AndroidAssetsInfo of(
Label label,
@Nullable Artifact validationResult,
NestedSet<ParsedAndroidAssets> directParsedAssets,
NestedSet<ParsedAndroidAssets> transitiveParsedAssets,
NestedSet<Artifact> transitiveAssets,
NestedSet<Artifact> transitiveSymbols,
NestedSet<Artifact> transitiveCompiledSymbols) {
return new AndroidAssetsInfo(
label,
validationResult,
directParsedAssets,
transitiveParsedAssets,
transitiveAssets,
transitiveSymbols,
transitiveCompiledSymbols);
}
private AndroidAssetsInfo(
Label label,
@Nullable Artifact validationResult,
NestedSet<ParsedAndroidAssets> directParsedAssets,
NestedSet<ParsedAndroidAssets> transitiveParsedAssets,
NestedSet<Artifact> transitiveAssets,
NestedSet<Artifact> transitiveSymbols,
NestedSet<Artifact> transitiveCompiledSymbols) {
super(PROVIDER);
this.label = label;
this.hasLocalAssets = validationResult != null;
this.validationResult = validationResult;
this.directParsedAssets = directParsedAssets;
this.transitiveParsedAssets = transitiveParsedAssets;
this.transitiveAssets = transitiveAssets;
this.transitiveSymbols = transitiveSymbols;
this.transitiveCompiledSymbols = transitiveCompiledSymbols;
}
@Override
public Label getLabel() {
return label;
}
@Nullable
@Override
public Artifact getValidationResult() {
return validationResult;
}
@Override
public NestedSet<ParsedAndroidAssets> getDirectParsedAssets() {
return directParsedAssets;
}
@Override
public ImmutableList<Artifact> getLocalAssets() {
return getLocalParsedAndroidAssets().map(AndroidAssets::getAssets).orElse(null);
}
@Override
public String getLocalAssetDir() {
return getLocalParsedAndroidAssets().map(AndroidAssets::getAssetDirAsString).orElse(null);
}
@Override
public NestedSet<ParsedAndroidAssets> getTransitiveParsedAssets() {
return transitiveParsedAssets;
}
@Override
public NestedSet<Artifact> getAssets() {
return transitiveAssets;
}
@Override
public NestedSet<Artifact> getSymbols() {
return transitiveSymbols;
}
private Optional<ParsedAndroidAssets> getLocalParsedAndroidAssets() {
return hasLocalAssets && getDirectParsedAssets().isSingleton()
? Optional.of(Iterables.getOnlyElement(getDirectParsedAssets()))
: Optional.empty();
}
@Override
public NestedSet<Artifact> getCompiledSymbols() {
return transitiveCompiledSymbols;
}
/** The provider can construct the Android IDL provider. */
public static class Provider extends BuiltinProvider<AndroidAssetsInfo>
implements AndroidAssetsInfoApi.Provider<Artifact, ParsedAndroidAssets> {
private Provider() {
super(PROVIDER_NAME, AndroidAssetsInfo.class);
}
@Override
public AndroidAssetsInfo createInfo(
Label label,
Artifact validationResult,
SkylarkNestedSet directParsedAssets,
SkylarkNestedSet transitiveParsedAssets,
SkylarkNestedSet transitiveAssets,
SkylarkNestedSet transitiveSymbols,
SkylarkNestedSet transitiveCompiledSymbols)
throws EvalException {
return new AndroidAssetsInfo(
label,
validationResult,
nestedSet(directParsedAssets, ParsedAndroidAssets.class),
nestedSet(transitiveParsedAssets, ParsedAndroidAssets.class),
nestedSet(transitiveAssets, Artifact.class),
nestedSet(transitiveSymbols, Artifact.class),
nestedSet(transitiveCompiledSymbols, Artifact.class));
}
private <T> NestedSet<T> nestedSet(SkylarkNestedSet from, Class<T> with) {
return NestedSetBuilder.<T>naiveLinkOrder().addTransitive(from.getSet(with)).build();
}
}
}
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