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package org.robolectric.internal;
import static java.nio.charset.StandardCharsets.UTF_8;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import javax.annotation.Nonnull;
import org.robolectric.annotation.Config;
import org.robolectric.res.Fs;
import org.robolectric.util.Util;
@SuppressWarnings("NewApi")
public class BuckManifestFactory implements ManifestFactory {
private static final String BUCK_ROBOLECTRIC_RES_DIRECTORIES = "buck.robolectric_res_directories";
private static final String BUCK_ROBOLECTRIC_ASSETS_DIRECTORIES = "buck.robolectric_assets_directories";
private static final String BUCK_ROBOLECTRIC_MANIFEST = "buck.robolectric_manifest";
@Override
public ManifestIdentifier identify(Config config) {
String buckManifest = System.getProperty(BUCK_ROBOLECTRIC_MANIFEST);
Path manifestFile = Paths.get(buckManifest);
String buckResDirs = System.getProperty(BUCK_ROBOLECTRIC_RES_DIRECTORIES);
String buckAssetsDirs = System.getProperty(BUCK_ROBOLECTRIC_ASSETS_DIRECTORIES);
String packageName = config.packageName();
final List<Path> buckResources = getDirectoriesFromProperty(buckResDirs);
final List<Path> buckAssets = getDirectoriesFromProperty(buckAssetsDirs);
final Path resDir =
buckResources.isEmpty() ? null : buckResources.get(buckResources.size() - 1);
final Path assetsDir = buckAssets.isEmpty() ? null : buckAssets.get(buckAssets.size() - 1);
final List<ManifestIdentifier> libraries;
if (resDir == null && assetsDir == null) {
libraries = null;
} else {
libraries = new ArrayList<>();
for (int i = 0; i < buckResources.size() - 1; i++) {
libraries.add(new ManifestIdentifier((String) null, null, buckResources.get(i), null, null));
}
for (int i = 0; i < buckAssets.size() - 1; i++) {
libraries.add(new ManifestIdentifier(null, null, null, buckAssets.get(i), null));
}
}
return new ManifestIdentifier(packageName, manifestFile, resDir, assetsDir, libraries);
}
public static boolean isBuck() {
return System.getProperty(BUCK_ROBOLECTRIC_MANIFEST) != null;
}
@Nonnull
private List<Path> getDirectoriesFromProperty(String property) {
if (property == null) {
return Collections.emptyList();
}
List<String> dirs;
if (property.startsWith("@")) {
String filename = property.substring(1);
try {
dirs = Arrays.asList(
new String(Util.readBytes(new FileInputStream(filename)), UTF_8).split("\\n"));
} catch (IOException e) {
throw new RuntimeException("Cannot read file " + filename);
}
} else {
dirs = Arrays.asList(property.split(File.pathSeparator));
}
List<Path> files = new ArrayList<>();
for (String dir : dirs) {
files.add(Fs.fromUrl(dir));
}
return files;
}
}
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