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43 package org.eclipse.jgit.api;
44
45 import java.io.IOException;
46 import java.util.ArrayList;
47 import java.util.Collection;
48 import java.util.HashMap;
49 import java.util.Map;
50
51 import org.eclipse.jgit.api.errors.GitAPIException;
52 import org.eclipse.jgit.api.errors.JGitInternalException;
53 import org.eclipse.jgit.errors.ConfigInvalidException;
54 import org.eclipse.jgit.lib.Constants;
55 import org.eclipse.jgit.lib.ObjectId;
56 import org.eclipse.jgit.lib.Repository;
57 import org.eclipse.jgit.submodule.SubmoduleStatus;
58 import org.eclipse.jgit.submodule.SubmoduleStatusType;
59 import org.eclipse.jgit.submodule.SubmoduleWalk;
60 import org.eclipse.jgit.treewalk.filter.PathFilterGroup;
61
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66
67
68
69 public class SubmoduleStatusCommand extends
70 GitCommand<Map<String, SubmoduleStatus>> {
71
72 private final Collection<String> paths;
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78
79
80 public SubmoduleStatusCommand(Repository repo) {
81 super(repo);
82 paths = new ArrayList<>();
83 }
84
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90
91
92 public SubmoduleStatusCommand addPath(String path) {
93 paths.add(path);
94 return this;
95 }
96
97
98 @Override
99 public Map<String, SubmoduleStatus> call() throws GitAPIException {
100 checkCallable();
101
102 try (SubmoduleWalk generator = SubmoduleWalk.forIndex(repo)) {
103 if (!paths.isEmpty())
104 generator.setFilter(PathFilterGroup.createFromStrings(paths));
105 Map<String, SubmoduleStatus> statuses = new HashMap<>();
106 while (generator.next()) {
107 SubmoduleStatus status = getStatus(generator);
108 statuses.put(status.getPath(), status);
109 }
110 return statuses;
111 } catch (IOException | ConfigInvalidException e) {
112 throw new JGitInternalException(e.getMessage(), e);
113 }
114 }
115
116 private SubmoduleStatus getStatus(SubmoduleWalk generator)
117 throws IOException, ConfigInvalidException {
118 ObjectId id = generator.getObjectId();
119 String path = generator.getPath();
120
121
122 if (generator.getModulesPath() == null)
123 return new SubmoduleStatus(SubmoduleStatusType.MISSING, path, id);
124
125
126 if (generator.getConfigUrl() == null)
127 return new SubmoduleStatus(SubmoduleStatusType.UNINITIALIZED, path,
128 id);
129
130
131 ObjectId headId = null;
132 try (Repository subRepo = generator.getRepository()) {
133 if (subRepo == null) {
134 return new SubmoduleStatus(SubmoduleStatusType.UNINITIALIZED,
135 path, id);
136 }
137
138 headId = subRepo.resolve(Constants.HEAD);
139 }
140
141
142 if (headId == null)
143 return new SubmoduleStatus(SubmoduleStatusType.UNINITIALIZED, path,
144 id, headId);
145
146
147 if (!headId.equals(id))
148 return new SubmoduleStatus(SubmoduleStatusType.REV_CHECKED_OUT,
149 path, id, headId);
150
151
152 return new SubmoduleStatus(SubmoduleStatusType.INITIALIZED, path, id,
153 headId);
154 }
155 }