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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 java.io.IOException;
import java.nio.file.Path;
import java.util.Map.Entry;
import java.util.Objects;
/**
* 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;
public static UnwrittenMergedAndroidData of(
Path manifest, ParsedAndroidData resources, ParsedAndroidData deps) {
return new UnwrittenMergedAndroidData(manifest, resources, deps);
}
private UnwrittenMergedAndroidData(
Path manifest, ParsedAndroidData primary, ParsedAndroidData transitive) {
this.manifest = manifest;
this.primary = primary;
this.transitive = transitive;
}
/**
* 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.
*/
public MergedAndroidData write(AndroidDataWriter mergedDataWriter) throws IOException {
try {
writeParsedAndroidData(primary, mergedDataWriter);
writeParsedAndroidData(transitive, mergedDataWriter);
return new MergedAndroidData(
mergedDataWriter.resourceDirectory(),
mergedDataWriter.assetDirectory(),
mergedDataWriter.copyManifest(this.manifest));
} 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();
}
}
private void writeParsedAndroidData(
ParsedAndroidData resources, AndroidDataWritingVisitor mergedDataWriter) throws IOException {
for (Entry<DataKey, DataAsset> entry : resources.iterateAssetEntries()) {
// TODO(corysmith): Resolve the nit of casting to a RelativeAssetPath by sorting
// out the type structure and generics of DataKey, ParsedAndroidData, AndroidDataMerger and
// MergeConflict.
entry.getValue().writeAsset((RelativeAssetPath) entry.getKey(), mergedDataWriter);
}
for (Entry<DataKey, DataResource> entry : resources.iterateDataResourceEntries()) {
// TODO(corysmith): Resolve the nit of casting to a FullyQualifiedName by sorting
// out the type structure and generics of DataKey, ParsedAndroidData, AndroidDataMerger and
// MergeConflict.
entry.getValue().writeResource((FullyQualifiedName) entry.getKey(), mergedDataWriter);
}
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("manifest", manifest)
.add("primary", primary)
.add("transitive", transitive)
.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);
}
@Override
public int hashCode() {
return Objects.hash(manifest, primary, transitive);
}
@VisibleForTesting
Path getManifest() {
return manifest;
}
@VisibleForTesting
ParsedAndroidData getPrimary() {
return primary;
}
@VisibleForTesting
ParsedAndroidData getTransitive() {
return transitive;
}
public void serializeTo(AndroidDataSerializer serializer) {
serializer.serializeManifest(manifest);
for (Entry<DataKey, DataAsset> entry : primary.iterateAssetEntries()) {
serializer.serializeToPrimary(entry.getKey(), entry.getValue());
}
for (Entry<DataKey, DataResource> entry : primary.iterateDataResourceEntries()) {
serializer.serializeToPrimary(entry.getKey(), entry.getValue());
}
for (Entry<DataKey, DataAsset> entry : transitive.iterateAssetEntries()) {
serializer.serializeToTransitive(entry.getKey(), entry.getValue());
}
for (Entry<DataKey, DataResource> entry : transitive.iterateDataResourceEntries()) {
serializer.serializeToTransitive(entry.getKey(), entry.getValue());
}
}
}
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