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// Copyright (C) 2013 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.api.projects;
import static com.google.gerrit.server.api.ApiUtil.asRestApiException;
import com.google.gerrit.extensions.api.projects.BranchApi;
import com.google.gerrit.extensions.api.projects.BranchInfo;
import com.google.gerrit.extensions.api.projects.BranchInput;
import com.google.gerrit.extensions.api.projects.ReflogEntryInfo;
import com.google.gerrit.extensions.common.Input;
import com.google.gerrit.extensions.restapi.BinaryResult;
import com.google.gerrit.extensions.restapi.IdString;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.gerrit.server.project.BranchResource;
import com.google.gerrit.server.project.FileResource;
import com.google.gerrit.server.project.ProjectResource;
import com.google.gerrit.server.restapi.project.BranchesCollection;
import com.google.gerrit.server.restapi.project.CreateBranch;
import com.google.gerrit.server.restapi.project.DeleteBranch;
import com.google.gerrit.server.restapi.project.FilesCollection;
import com.google.gerrit.server.restapi.project.GetBranch;
import com.google.gerrit.server.restapi.project.GetContent;
import com.google.gerrit.server.restapi.project.GetReflog;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import java.io.IOException;
import java.util.List;
public class BranchApiImpl implements BranchApi {
interface Factory {
BranchApiImpl create(ProjectResource project, String ref);
}
private final BranchesCollection branches;
private final CreateBranch createBranch;
private final DeleteBranch deleteBranch;
private final FilesCollection filesCollection;
private final GetBranch getBranch;
private final GetContent getContent;
private final GetReflog getReflog;
private final String ref;
private final ProjectResource project;
@Inject
BranchApiImpl(
BranchesCollection branches,
CreateBranch createBranch,
DeleteBranch deleteBranch,
FilesCollection filesCollection,
GetBranch getBranch,
GetContent getContent,
GetReflog getReflog,
@Assisted ProjectResource project,
@Assisted String ref) {
this.branches = branches;
this.createBranch = createBranch;
this.deleteBranch = deleteBranch;
this.filesCollection = filesCollection;
this.getBranch = getBranch;
this.getContent = getContent;
this.getReflog = getReflog;
this.project = project;
this.ref = ref;
}
@Override
public BranchApi create(BranchInput input) throws RestApiException {
try {
createBranch.apply(project, IdString.fromDecoded(ref), input);
return this;
} catch (Exception e) {
throw asRestApiException("Cannot create branch", e);
}
}
@Override
public BranchInfo get() throws RestApiException {
try {
return getBranch.apply(resource());
} catch (Exception e) {
throw asRestApiException("Cannot read branch", e);
}
}
@Override
public void delete() throws RestApiException {
try {
deleteBranch.apply(resource(), new Input());
} catch (Exception e) {
throw asRestApiException("Cannot delete branch", e);
}
}
@Override
public BinaryResult file(String path) throws RestApiException {
try {
FileResource resource = filesCollection.parse(resource(), IdString.fromDecoded(path));
return getContent.apply(resource);
} catch (Exception e) {
throw asRestApiException("Cannot retrieve file", e);
}
}
@Override
public List<ReflogEntryInfo> reflog() throws RestApiException {
try {
return getReflog.apply(resource());
} catch (IOException | PermissionBackendException e) {
throw new RestApiException("Cannot retrieve reflog", e);
}
}
private BranchResource resource()
throws RestApiException, IOException, PermissionBackendException {
return branches.parse(project, IdString.fromDecoded(ref));
}
}
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