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/*
* Copyright (C) 2023 The Android Open Source Project
*
* 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 org.apache.test.android;
import org.junit.Assert;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
public class AndroidFileUtils {
private static final Path TEMP_DIR;
static {
try {
TEMP_DIR = Files.createTempDirectory(AndroidFileUtils.class.getName());
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
/**
* Returns the URL string to the jar resource for a given input file path.
* @return null if the input file is not found.
*/
public static URL getInputFileUrl(String path) {
Path p = Path.of(path);
// Ignore the parts for the current directory.
while (true) {
if (p.getNameCount() == 0) {
return null;
}
String first = p.getName(0).toString();
if (!first.isEmpty() && !first.equals(".")) {
break;
}
p = p.subpath(1, p.getNameCount());
}
String first = p.getName(0).toString();
if (!first.equals("inputs")) {
return null;
}
p = p.subpath(1, p.getNameCount());
p = Path.of("api", p.toString());
return AndroidFileUtils.class.getClassLoader().getResource(p.toString());
}
/**
* Returns the URL string to the jar resource for a given input file path.
* @return null if the input file is not found.
*/
public static String getInputFileUrlString(String path) {
URL url = getInputFileUrl(path);
return url != null ? url.toExternalForm() : null;
}
/**
* Return a File object to the path, and created all directories along the path.
* @throws AssertionError if the directories can't be created.
*/
public static File getOutputFile(String relativePath) {
File target = TEMP_DIR.resolve(relativePath).toAbsolutePath().toFile();
File parent = target.getParentFile();
if (!parent.exists()) {
Assert.assertTrue(parent.mkdirs());
}
return target;
}
}
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