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// Copyright 2015 Google Inc. 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.collect.ImmutableList;
import com.android.ide.common.res2.AssetSet;
import com.android.ide.common.res2.ResourceSet;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.Objects;
import java.util.regex.Pattern;
/**
* Android data that has yet to be merged and validated, the primary data for the Processor.
*
* <p>The life cycle of AndroidData goes:
* {@link UnvalidatedAndroidData} -> {@link MergedAndroidData} -> {@link DensityFilteredAndroidData}
* -> {@link DependencyAndroidData}
*/
class UnvalidatedAndroidData {
static final Pattern VALID_REGEX = Pattern.compile(".*:.*:.+");
public static UnvalidatedAndroidData valueOf(String text) {
return valueOf(text, FileSystems.getDefault());
}
@VisibleForTesting
static UnvalidatedAndroidData valueOf(String text, FileSystem fileSystem) {
if (!VALID_REGEX.matcher(text).find()) {
throw new IllegalArgumentException(
text + " is not in the format 'resources[#resources]:assets[#assets]:manifest'");
}
String[] parts = text.split(":");
return new UnvalidatedAndroidData(
splitPaths(parts[0], fileSystem),
splitPaths(parts[1], fileSystem),
exists(fileSystem.getPath(parts[2])));
}
private static ImmutableList<Path> splitPaths(String pathsString, FileSystem fileSystem) {
if (pathsString.length() == 0) {
return ImmutableList.of();
}
ImmutableList.Builder<Path> paths = new ImmutableList.Builder<>();
for (String pathString : pathsString.split("#")) {
paths.add(exists(fileSystem.getPath(pathString)));
}
return paths.build();
}
private static Path exists(Path path) {
if (!Files.exists(path)) {
throw new IllegalArgumentException(path + " does not exist");
}
return path;
}
private final Path manifest;
private final ImmutableList<Path> assetDirs;
private final ImmutableList<Path> resourceDirs;
public UnvalidatedAndroidData(ImmutableList<Path> resourceDirs, ImmutableList<Path> assetDirs,
Path manifest) {
this.resourceDirs = resourceDirs;
this.assetDirs = assetDirs;
this.manifest = manifest;
}
public Path getManifest() {
return manifest;
}
public AssetSet addToAssets(AssetSet assets) {
for (Path assetDir : assetDirs) {
assets.addSource(assetDir.toFile());
}
return assets;
}
public ResourceSet addToResourceSet(ResourceSet resources) {
for (Path resourceDir : resourceDirs) {
resources.addSource(resourceDir.toFile());
}
return resources;
}
public UnvalidatedAndroidData modify(ImmutableList<DirectoryModifier> modifiers) {
ImmutableList<Path> modifiedResources = resourceDirs;
ImmutableList<Path> modifiedAssets = assetDirs;
for (DirectoryModifier modifier : modifiers) {
modifiedAssets = modifier.modify(modifiedAssets);
modifiedResources = modifier.modify(modifiedResources);
}
return new UnvalidatedAndroidData(modifiedResources, modifiedAssets, manifest);
}
@Override
public String toString() {
return String.format("UnvalidatedAndroidData(%s, %s, %s)", resourceDirs, assetDirs, manifest);
}
@Override
public int hashCode() {
return Objects.hash(resourceDirs, assetDirs, manifest);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof UnvalidatedAndroidData)) {
return false;
}
UnvalidatedAndroidData other = (UnvalidatedAndroidData) obj;
return Objects.equals(other.resourceDirs, resourceDirs)
&& Objects.equals(other.assetDirs, assetDirs)
&& Objects.equals(other.manifest, manifest);
}
/**
* Adds all the resource directories as ResourceSets. This acts a loose merge
* strategy as it does not test for overrides.
* @param resourceSets A list of resource sets to append to.
*/
void addAsResourceSets(List<ResourceSet> resourceSets) {
for (Path resourceDir : resourceDirs) {
ResourceSet set = new ResourceSet("primary:" + resourceDir.toString());
set.addSource(resourceDir.toFile());
resourceSets.add(set);
}
}
/**
* Adds all the asset directories as AssetSets. This acts a loose merge
* strategy as it does not test for overrides.
* @param assetSets A list of asset sets to append to.
*/
void addAsAssetSets(List<AssetSet> assetSets) {
for (Path assetDir : assetDirs) {
AssetSet set = new AssetSet("primary:" + assetDir.toString());
set.addSource(assetDir.toFile());
assetSets.add(set);
}
}
}
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