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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.collect.ImmutableList;
import java.io.IOException;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Objects;
import java.util.regex.Pattern;
/** Android resource and asset directories that can be parsed. */
public class UnvalidatedAndroidDirectories {
private static final Pattern VALID_REGEX = Pattern.compile(".*:.*");
public static final String EXPECTED_FORMAT = "resources[#resources]:assets[#assets]";
public static UnvalidatedAndroidDirectories valueOf(String text) {
return valueOf(text, FileSystems.getDefault());
}
@VisibleForTesting
static UnvalidatedAndroidDirectories valueOf(String text, FileSystem fileSystem) {
if (!VALID_REGEX.matcher(text).find()) {
throw new IllegalArgumentException(text + " is not in the format '" + EXPECTED_FORMAT + "'");
}
String[] parts = text.split(":");
return new UnvalidatedAndroidDirectories(
parts.length > 0 ? splitPaths(parts[0], fileSystem) : ImmutableList.<Path>of(),
parts.length > 1 ? splitPaths(parts[1], fileSystem) : ImmutableList.<Path>of());
}
protected 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();
}
protected static Path exists(Path path) {
if (!Files.exists(path)) {
throw new IllegalArgumentException(path + " does not exist");
}
return path;
}
protected final ImmutableList<Path> assetDirs;
protected final ImmutableList<Path> resourceDirs;
public UnvalidatedAndroidDirectories(
ImmutableList<Path> resourceDirs, ImmutableList<Path> assetDirs) {
this.resourceDirs = resourceDirs;
this.assetDirs = assetDirs;
}
void walk(final AndroidDataPathWalker pathWalker) throws IOException {
for (Path path : resourceDirs) {
pathWalker.walkResources(path);
}
for (Path path : assetDirs) {
pathWalker.walkAssets(path);
}
}
@Override
public String toString() {
return String.format("UnvalidatedAndroidDirectories(%s, %s)", resourceDirs, assetDirs);
}
@Override
public int hashCode() {
return Objects.hash(resourceDirs, assetDirs);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof UnvalidatedAndroidDirectories)) {
return false;
}
UnvalidatedAndroidDirectories other = (UnvalidatedAndroidDirectories) obj;
return Objects.equals(other.resourceDirs, resourceDirs)
&& Objects.equals(other.assetDirs, assetDirs);
}
public UnvalidatedAndroidData toData(Path manifest) {
return new UnvalidatedAndroidData(resourceDirs, assetDirs, manifest);
}
}
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