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// Copyright 2016 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.android;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.android.AndroidDataMerger.SourceChecker;
import com.google.devtools.build.android.AndroidResourceMerger.MergingException;
import java.io.IOException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
/** Merged Android Data that has yet to written into a {@link MergedAndroidData}. */
public class UnwrittenMergedAndroidData {
private final Path manifest;
private final ParsedAndroidData primary;
private final ParsedAndroidData transitive;
private final Set<MergeConflict> conflicts;
public static UnwrittenMergedAndroidData of(
Path manifest,
ParsedAndroidData resources,
ParsedAndroidData deps,
Set<MergeConflict> conflicts) {
return new UnwrittenMergedAndroidData(manifest, resources, deps, conflicts);
}
public static UnwrittenMergedAndroidData of(
Path manifest, ParsedAndroidData resources, ParsedAndroidData deps) {
return of(manifest, resources, deps, ImmutableSet.of());
}
private UnwrittenMergedAndroidData(
Path manifest,
ParsedAndroidData primary,
ParsedAndroidData transitive,
Set<MergeConflict> conflicts) {
this.manifest = manifest;
this.primary = primary;
this.transitive = transitive;
this.conflicts = conflicts;
}
/**
* Writes the android data to the filesystem.
*
* @param mergedDataWriter Destination writer.
* @return A MergedAndroidData that is ready for further tool processing.
* @throws IOException when something goes wrong while writing.
* @throws MergingException when something goes wrong with the merge.
*/
public MergedAndroidData write(AndroidDataWriter mergedDataWriter)
throws IOException, MergingException {
try {
primary.writeAssetsTo(mergedDataWriter);
primary.writeResourcesTo(mergedDataWriter);
transitive.writeAssetsTo(mergedDataWriter);
transitive.writeResourcesTo(mergedDataWriter);
return new MergedAndroidData(
mergedDataWriter.resourceDirectory(),
mergedDataWriter.assetDirectory(),
this.manifest != null ? mergedDataWriter.copyManifest(this.manifest) : null);
} finally {
// Flush to make sure all writing is completed before returning a MergedAndroidData.
// If resources aren't fully written, the MergedAndroidData might be invalid.
mergedDataWriter.flush();
}
}
public void writeResourceClass(AndroidResourceClassWriter resourceClassWriter)
throws IOException {
primary.writeResourcesTo(resourceClassWriter);
transitive.writeResourcesTo(resourceClassWriter);
resourceClassWriter.flush();
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("manifest", manifest)
.add("primary", primary)
.add("transitive", transitive)
.add("conflicts", conflicts)
.toString();
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof UnwrittenMergedAndroidData)) {
return false;
}
UnwrittenMergedAndroidData that = (UnwrittenMergedAndroidData) other;
return Objects.equals(manifest, that.manifest)
&& Objects.equals(primary, that.primary)
&& Objects.equals(transitive, that.transitive)
&& Objects.equals(conflicts, that.conflicts);
}
@Override
public int hashCode() {
return Objects.hash(manifest, primary, transitive, conflicts);
}
@VisibleForTesting
Path getManifest() {
return manifest;
}
@VisibleForTesting
ParsedAndroidData getPrimary() {
return primary;
}
@VisibleForTesting
ParsedAndroidData getTransitive() {
return transitive;
}
public void serializeTo(AndroidDataSerializer serializer) {
for (Map.Entry<DataKey, DataAsset> entry : primary.iterateAssetEntries()) {
serializer.queueForSerialization(entry.getKey(), entry.getValue());
}
primary.serializeAssetsTo(serializer);
primary.serializeResourcesTo(serializer);
}
public List<String> asConflictMessagesIfValidWith(SourceChecker checker) throws IOException {
List<String> messages = new ArrayList<>();
for (MergeConflict conflict : conflicts) {
if (conflict.isValidWith(checker)) {
messages.add(conflict.toConflictMessage());
}
}
return messages;
}
}
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