| // Copyright (C) 2009 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 com.google.common.collect.Maps; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.reviewdb.client.Project.NameKey; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.OutputFormat; |
| import com.google.gerrit.server.StringUtil; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.util.TreeFormatter; |
| import com.google.gson.reflect.TypeToken; |
| import com.google.inject.Inject; |
| |
| import org.eclipse.jgit.errors.RepositoryNotFoundException; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.lib.Repository; |
| import org.kohsuke.args4j.Option; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.BufferedWriter; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.UnsupportedEncodingException; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.SortedSet; |
| import java.util.TreeMap; |
| import java.util.TreeSet; |
| |
| /** List projects visible to the calling user. */ |
| public class ListProjects { |
| private static final Logger log = LoggerFactory.getLogger(ListProjects.class); |
| |
| public static enum FilterType { |
| CODE { |
| @Override |
| boolean matches(Repository git) throws IOException { |
| return !PERMISSIONS.matches(git); |
| } |
| }, |
| PARENT_CANDIDATES { |
| @Override |
| boolean matches(Repository git) { |
| return true; |
| } |
| }, |
| PERMISSIONS { |
| @Override |
| boolean matches(Repository git) throws IOException { |
| Ref head = git.getRef(Constants.HEAD); |
| return head != null |
| && head.isSymbolic() |
| && GitRepositoryManager.REF_CONFIG.equals(head.getLeaf().getName()); |
| } |
| }, |
| ALL { |
| @Override |
| boolean matches(Repository git) { |
| return true; |
| } |
| }; |
| |
| abstract boolean matches(Repository git) throws IOException; |
| } |
| |
| private final CurrentUser currentUser; |
| private final ProjectCache projectCache; |
| private final GitRepositoryManager repoManager; |
| private final ProjectNode.Factory projectNodeFactory; |
| |
| @Option(name = "--format", metaVar = "FMT", usage = "Output display format") |
| private OutputFormat format = OutputFormat.TEXT; |
| |
| @Option(name = "--show-branch", aliases = {"-b"}, multiValued = true, |
| usage = "displays the sha of each project in the specified branch") |
| private List<String> showBranch; |
| |
| @Option(name = "--tree", aliases = {"-t"}, usage = |
| "displays project inheritance in a tree-like format\n" |
| + "this option does not work together with the show-branch option") |
| private boolean showTree; |
| |
| @Option(name = "--type", usage = "type of project") |
| private FilterType type = FilterType.CODE; |
| |
| @Option(name = "--description", aliases = {"-d"}, usage = "include description of project in list") |
| private boolean showDescription; |
| |
| @Option(name = "--all", usage = "display all projects that are accessible by the calling user") |
| private boolean all; |
| |
| @Option(name = "--limit", aliases = {"-n"}, metaVar = "CNT", usage = "maximum number of projects to list") |
| private int limit; |
| |
| private String matchPrefix; |
| |
| @Inject |
| protected ListProjects(CurrentUser currentUser, ProjectCache projectCache, |
| GitRepositoryManager repoManager, |
| ProjectNode.Factory projectNodeFactory) { |
| this.currentUser = currentUser; |
| this.projectCache = projectCache; |
| this.repoManager = repoManager; |
| this.projectNodeFactory = projectNodeFactory; |
| } |
| |
| public List<String> getShowBranch() { |
| return showBranch; |
| } |
| |
| public boolean isShowTree() { |
| return showTree; |
| } |
| |
| public boolean isShowDescription() { |
| return showDescription; |
| } |
| |
| public OutputFormat getFormat() { |
| return format; |
| } |
| |
| public ListProjects setFormat(OutputFormat fmt) { |
| this.format = fmt; |
| return this; |
| } |
| |
| public ListProjects setMatchPrefix(String prefix) { |
| this.matchPrefix = prefix; |
| return this; |
| } |
| |
| public void display(OutputStream out) { |
| final PrintWriter stdout; |
| try { |
| stdout = new PrintWriter(new BufferedWriter(new OutputStreamWriter(out, "UTF-8"))); |
| } catch (UnsupportedEncodingException e) { |
| // Our encoding is required by the specifications for the runtime. |
| throw new RuntimeException("JVM lacks UTF-8 encoding", e); |
| } |
| |
| int found = 0; |
| Map<String, ProjectInfo> output = Maps.newTreeMap(); |
| Map<String, String> hiddenNames = Maps.newHashMap(); |
| Set<String> rejected = new HashSet<String>(); |
| |
| final TreeMap<Project.NameKey, ProjectNode> treeMap = |
| new TreeMap<Project.NameKey, ProjectNode>(); |
| try { |
| for (final Project.NameKey projectName : scan()) { |
| final ProjectState e = projectCache.get(projectName); |
| if (e == null) { |
| // If we can't get it from the cache, pretend its not present. |
| // |
| continue; |
| } |
| ProjectInfo info = new ProjectInfo(); |
| if (type == FilterType.PARENT_CANDIDATES) { |
| ProjectState parentState = e.getParentState(); |
| if (parentState != null |
| && !output.keySet().contains(parentState.getProject().getName()) |
| && !rejected.contains(parentState.getProject().getName())) { |
| ProjectControl parentCtrl = parentState.controlFor(currentUser); |
| if (parentCtrl.isVisible() || parentCtrl.isOwner()) { |
| info.name = parentState.getProject().getName(); |
| info.description = parentState.getProject().getDescription(); |
| } else { |
| rejected.add(parentState.getProject().getName()); |
| continue; |
| } |
| } else { |
| continue; |
| } |
| |
| } else { |
| final ProjectControl pctl = e.controlFor(currentUser); |
| final boolean isVisible = pctl.isVisible() || (all && pctl.isOwner()); |
| if (showTree && !format.isJson()) { |
| treeMap.put(projectName, |
| projectNodeFactory.create(pctl.getProject(), isVisible)); |
| continue; |
| } |
| |
| if (!isVisible && !(showTree && pctl.isOwner())) { |
| // Require the project itself to be visible to the user. |
| // |
| continue; |
| } |
| |
| info.name = projectName.get(); |
| if (showTree && format.isJson()) { |
| ProjectState parent = e.getParentState(); |
| if (parent != null) { |
| ProjectControl parentCtrl = parent.controlFor(currentUser); |
| if (parentCtrl.isVisible() || parentCtrl.isOwner()) { |
| info.parent = parent.getProject().getName(); |
| } else { |
| info.parent = hiddenNames.get(parent.getProject().getName()); |
| if (info.parent == null) { |
| info.parent = "?-" + (hiddenNames.size() + 1); |
| hiddenNames.put(parent.getProject().getName(), info.parent); |
| } |
| } |
| } |
| } |
| if (showDescription && !e.getProject().getDescription().isEmpty()) { |
| info.description = e.getProject().getDescription(); |
| } |
| |
| try { |
| if (showBranch != null) { |
| Repository git = repoManager.openRepository(projectName); |
| try { |
| if (!type.matches(git)) { |
| continue; |
| } |
| |
| List<Ref> refs = getBranchRefs(projectName, pctl); |
| if (!hasValidRef(refs)) { |
| continue; |
| } |
| |
| for (int i = 0; i < showBranch.size(); i++) { |
| Ref ref = refs.get(i); |
| if (ref != null && ref.getObjectId() != null) { |
| if (info.branches == null) { |
| info.branches = Maps.newLinkedHashMap(); |
| } |
| info.branches.put(showBranch.get(i), ref.getObjectId().name()); |
| } |
| } |
| } finally { |
| git.close(); |
| } |
| } else if (!showTree && type != FilterType.ALL) { |
| Repository git = repoManager.openRepository(projectName); |
| try { |
| if (!type.matches(git)) { |
| continue; |
| } |
| } finally { |
| git.close(); |
| } |
| } |
| |
| } catch (RepositoryNotFoundException err) { |
| // If the Git repository is gone, the project doesn't actually exist anymore. |
| continue; |
| } catch (IOException err) { |
| log.warn("Unexpected error reading " + projectName, err); |
| continue; |
| } |
| } |
| |
| if (limit > 0 && ++found > limit) { |
| break; |
| } |
| |
| if (format.isJson()) { |
| output.put(info.name, info); |
| continue; |
| } |
| |
| if (showBranch != null) { |
| for (String name : showBranch) { |
| String ref = info.branches != null ? info.branches.get(name) : null; |
| if (ref == null) { |
| // Print stub (forty '-' symbols) |
| ref = "----------------------------------------"; |
| } |
| stdout.print(ref); |
| stdout.print(' '); |
| } |
| } |
| stdout.print(info.name); |
| |
| if (info.description != null) { |
| // We still want to list every project as one-liners, hence escaping \n. |
| stdout.print(" - " + StringUtil.escapeString(info.description)); |
| } |
| stdout.print('\n'); |
| } |
| |
| if (format.isJson()) { |
| format.newGson().toJson( |
| output, new TypeToken<Map<String, ProjectInfo>>() {}.getType(), stdout); |
| stdout.print('\n'); |
| } else if (showTree && treeMap.size() > 0) { |
| printProjectTree(stdout, treeMap); |
| } |
| } finally { |
| stdout.flush(); |
| } |
| } |
| |
| private Iterable<NameKey> scan() { |
| if (matchPrefix != null) { |
| return projectCache.byName(matchPrefix); |
| } else { |
| return projectCache.all(); |
| } |
| } |
| |
| private void printProjectTree(final PrintWriter stdout, |
| final TreeMap<Project.NameKey, ProjectNode> treeMap) { |
| final SortedSet<ProjectNode> sortedNodes = new TreeSet<ProjectNode>(); |
| |
| // Builds the inheritance tree using a list. |
| // |
| for (final ProjectNode key : treeMap.values()) { |
| if (key.isAllProjects()) { |
| sortedNodes.add(key); |
| continue; |
| } |
| |
| ProjectNode node = treeMap.get(key.getParentName()); |
| if (node != null) { |
| node.addChild(key); |
| } else { |
| sortedNodes.add(key); |
| } |
| } |
| |
| final TreeFormatter treeFormatter = new TreeFormatter(stdout); |
| treeFormatter.printTree(sortedNodes); |
| stdout.flush(); |
| } |
| |
| private List<Ref> getBranchRefs(Project.NameKey projectName, |
| ProjectControl projectControl) { |
| Ref[] result = new Ref[showBranch.size()]; |
| try { |
| Repository git = repoManager.openRepository(projectName); |
| try { |
| for (int i = 0; i < showBranch.size(); i++) { |
| Ref ref = git.getRef(showBranch.get(i)); |
| if (ref != null |
| && ref.getObjectId() != null |
| && (projectControl.controlForRef(ref.getLeaf().getName()).isVisible()) |
| || (all && projectControl.isOwner())) { |
| result[i] = ref; |
| } |
| } |
| } finally { |
| git.close(); |
| } |
| } catch (IOException ioe) { |
| // Fall through and return what is available. |
| } |
| return Arrays.asList(result); |
| } |
| |
| private static boolean hasValidRef(List<Ref> refs) { |
| for (int i = 0; i < refs.size(); i++) { |
| if (refs.get(i) != null) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static class ProjectInfo { |
| transient String name; |
| String parent; |
| String description; |
| Map<String, String> branches; |
| } |
| } |