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// Copyright (C) 2015 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 com.google.gerrit.server.restapi.change;
import static com.google.gerrit.server.project.ProjectCache.illegalState;
import com.google.gerrit.extensions.restapi.BinaryResult;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.Response;
import com.google.gerrit.extensions.restapi.RestReadView;
import com.google.gerrit.server.change.FileContentUtil;
import com.google.gerrit.server.change.FileResource;
import com.google.gerrit.server.change.RevisionResource;
import com.google.gerrit.server.project.NoSuchChangeException;
import com.google.gerrit.server.project.ProjectCache;
import com.google.inject.Inject;
import java.io.IOException;
import org.kohsuke.args4j.Option;
public class DownloadContent implements RestReadView<FileResource> {
private final FileContentUtil fileContentUtil;
private final ProjectCache projectCache;
@Option(name = "--parent")
private Integer parent;
@Inject
DownloadContent(FileContentUtil fileContentUtil, ProjectCache projectCache) {
this.fileContentUtil = fileContentUtil;
this.projectCache = projectCache;
}
@Override
public Response<BinaryResult> apply(FileResource rsrc)
throws ResourceNotFoundException, IOException, NoSuchChangeException {
String path = rsrc.getPatchKey().fileName();
RevisionResource rev = rsrc.getRevision();
return Response.ok(
fileContentUtil.downloadContent(
projectCache.get(rev.getProject()).orElseThrow(illegalState(rev.getProject())),
rev.getPatchSet().commitId(),
path,
parent));
}
}