/*
* Copyright 2016 the original author or authors.
*
* 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.gradle.api.internal.cache;
import org.gradle.api.Action;
import org.gradle.cache.CacheRepository;
import org.gradle.cache.PersistentCache;
import org.gradle.cache.internal.FileLockManager;
import java.io.Closeable;
import java.io.File;
import static org.gradle.cache.internal.filelock.LockOptionsBuilder.mode;
public class DefaultGeneratedGradleJarCache implements GeneratedGradleJarCache, Closeable {
private final PersistentCache cache;
private final String gradleVersion;
public DefaultGeneratedGradleJarCache(CacheRepository cacheRepository, String gradleVersion) {
this.cache = cacheRepository
.cache(CACHE_KEY)
.withDisplayName(CACHE_DISPLAY_NAME)
.withLockOptions(mode(FileLockManager.LockMode.None))
.open();
this.gradleVersion = gradleVersion;
}
@Override
public File get(final String identifier, final Action<File> creator) {
final File jarFile = jarFile(identifier);
if (!jarFile.exists()) {
cache.useCache(new Runnable() {
public void run() {
if (!jarFile.exists()) {
creator.execute(jarFile);
}
}
});
}
return jarFile;
}
@Override
public void close() {
cache.close();
}
private File jarFile(String identifier) {
return new File(cache.getBaseDir(), "gradle-" + identifier + "-" + gradleVersion + ".jar");
}
}