/*
* Copyright 2017 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.artifacts.repositories.resolver;
import com.google.common.base.Charsets;
import com.google.common.hash.Hasher;
import com.google.common.hash.Hashing;
import org.gradle.api.Action;
import org.gradle.api.artifacts.repositories.RepositoryResourceAccessor;
import org.gradle.internal.UncheckedException;
import org.gradle.internal.resource.local.FileStore;
import org.gradle.internal.resource.local.LocallyAvailableExternalResource;
import org.gradle.internal.resource.local.LocallyAvailableResource;
import org.gradle.internal.resource.transfer.CacheAwareExternalResourceAccessor;
import java.io.File;
import java.io.InputStream;
import java.net.URI;
public class ExternalRepositoryResourceAccessor implements RepositoryResourceAccessor {
private final URI rootUri;
private final CacheAwareExternalResourceAccessor resourceAccessor;
private final FileStore<String> fileStore;
public ExternalRepositoryResourceAccessor(URI rootUri, CacheAwareExternalResourceAccessor cacheAwareExternalResourceAccessor, final FileStore<String> searchableFileStore) {
this.rootUri = rootUri;
this.resourceAccessor = cacheAwareExternalResourceAccessor;
this.fileStore = searchableFileStore;
}
private static String makePath(String path) {
if (path.endsWith("/")) {
return path;
}
return path + "/";
}
@Override
public void withResource(String relativePath, Action<? super InputStream> action) {
try {
String scheme = rootUri.getScheme();
String host = rootUri.getHost();
String path = makePath(rootUri.getPath());
int port = rootUri.getPort();
String userInfo = rootUri.getUserInfo();
URI uri = new URI(scheme, userInfo, host, port, path + relativePath, null, null);
Hasher hasher = Hashing.sha1().newHasher().putString(uri.toASCIIString(), Charsets.UTF_8);
final String key = hasher.hash().toString();
LocallyAvailableExternalResource resource = resourceAccessor.getResource(uri, new CacheAwareExternalResourceAccessor.ResourceFileStore() {
@Override
public LocallyAvailableResource moveIntoCache(File downloadedResource) {
return fileStore.move(key, downloadedResource);
}
}, null);
if (resource != null) {
resource.withContent(action);
}
} catch (Exception e) {
throw UncheckedException.throwAsUncheckedException(e);
}
}
}