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// Copyright (C) 2012 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.project;
import static com.google.gerrit.server.git.GitRepositoryManager.REFS_DASHBOARDS;
import com.google.common.collect.Lists;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.RestReadView;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.project.DashboardsCollection.DashboardInfo;
import com.google.inject.Inject;
import org.eclipse.jgit.errors.ConfigInvalidException;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.lib.BlobBasedConfig;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.kohsuke.args4j.Option;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.List;
class ListDashboards implements RestReadView<ProjectResource> {
private static final Logger log = LoggerFactory.getLogger(DashboardsCollection.class);
private final GitRepositoryManager gitManager;
@Option(name = "--inherited", usage = "include inherited dashboards")
private boolean inherited;
@Inject
ListDashboards(GitRepositoryManager gitManager) {
this.gitManager = gitManager;
}
@Override
public Object apply(ProjectResource resource)
throws ResourceNotFoundException, IOException {
ProjectControl ctl = resource.getControl();
String project = ctl.getProject().getName();
if (!inherited) {
return scan(resource.getControl(), project, true);
}
List<List<DashboardInfo>> all = Lists.newArrayList();
boolean setDefault = true;
for (ProjectState ps : ctl.getProjectState().tree()) {
ctl = ps.controlFor(ctl.getCurrentUser());
if (ctl.isVisible()) {
List<DashboardInfo> list = scan(ctl, project, setDefault);
for (DashboardInfo d : list) {
if (d.isDefault != null && Boolean.TRUE.equals(d.isDefault)) {
setDefault = false;
}
}
if (!list.isEmpty()) {
all.add(list);
}
}
}
return all;
}
private List<DashboardInfo> scan(ProjectControl ctl, String project,
boolean setDefault) throws ResourceNotFoundException, IOException {
Repository git;
try {
git = gitManager.openRepository(ctl.getProject().getNameKey());
} catch (RepositoryNotFoundException e) {
throw new ResourceNotFoundException();
}
try {
RevWalk rw = new RevWalk(git);
try {
List<DashboardInfo> all = Lists.newArrayList();
for (Ref ref : git.getRefDatabase().getRefs(REFS_DASHBOARDS).values()) {
if (ctl.controlForRef(ref.getName()).canRead()) {
all.addAll(scanDashboards(ctl.getProject(), git, rw, ref,
project, setDefault));
}
}
return all;
} finally {
rw.release();
}
} finally {
git.close();
}
}
private List<DashboardInfo> scanDashboards(Project definingProject,
Repository git, RevWalk rw, Ref ref, String project, boolean setDefault)
throws IOException {
List<DashboardInfo> list = Lists.newArrayList();
TreeWalk tw = new TreeWalk(rw.getObjectReader());
try {
tw.addTree(rw.parseTree(ref.getObjectId()));
tw.setRecursive(true);
while (tw.next()) {
if (tw.getFileMode(0) == FileMode.REGULAR_FILE) {
try {
list.add(DashboardsCollection.parse(
definingProject,
ref.getName().substring(REFS_DASHBOARDS.length()),
tw.getPathString(),
new BlobBasedConfig(null, git, tw.getObjectId(0)),
project,
setDefault));
} catch (ConfigInvalidException e) {
log.warn(String.format(
"Cannot parse dashboard %s:%s:%s: %s",
definingProject.getName(), ref.getName(), tw.getPathString(),
e.getMessage()));
}
}
}
} finally {
tw.release();
}
return list;
}
}
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