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-rw-r--r--src/main/java/com/gitblit/LuceneExecutor.java220
1 files changed, 110 insertions, 110 deletions
diff --git a/src/main/java/com/gitblit/LuceneExecutor.java b/src/main/java/com/gitblit/LuceneExecutor.java
index 376a763a..28523cef 100644
--- a/src/main/java/com/gitblit/LuceneExecutor.java
+++ b/src/main/java/com/gitblit/LuceneExecutor.java
@@ -95,13 +95,13 @@ import com.gitblit.utils.StringUtils;
/**
* The Lucene executor handles indexing and searching repositories.
- *
+ *
* @author James Moger
- *
+ *
*/
public class LuceneExecutor implements Runnable {
-
-
+
+
private static final int INDEX_VERSION = 5;
private static final String FIELD_OBJECT_TYPE = "type";
@@ -121,20 +121,20 @@ public class LuceneExecutor implements Runnable {
private static final String CONF_VERSION = "version";
private static final String CONF_ALIAS = "aliases";
private static final String CONF_BRANCH = "branches";
-
+
private static final Version LUCENE_VERSION = Version.LUCENE_35;
-
+
private final Logger logger = LoggerFactory.getLogger(LuceneExecutor.class);
-
+
private final IStoredSettings storedSettings;
private final File repositoriesFolder;
-
+
private final Map<String, IndexSearcher> searchers = new ConcurrentHashMap<String, IndexSearcher>();
private final Map<String, IndexWriter> writers = new ConcurrentHashMap<String, IndexWriter>();
-
+
private final String luceneIgnoreExtensions = "7z arc arj bin bmp dll doc docx exe gif gz jar jpg lib lzh odg odf odt pdf ppt png so swf xcf xls xlsx zip";
private Set<String> excludedExtensions;
-
+
public LuceneExecutor(IStoredSettings settings, File repositoriesFolder) {
this.storedSettings = settings;
this.repositoriesFolder = repositoriesFolder;
@@ -146,7 +146,7 @@ public class LuceneExecutor implements Runnable {
}
/**
- * Run is executed by the Gitblit executor service. Because this is called
+ * Run is executed by the Gitblit executor service. Because this is called
* by an executor service, calls will queue - i.e. there can never be
* concurrent execution of repository index updates.
*/
@@ -164,7 +164,7 @@ public class LuceneExecutor implements Runnable {
// busy collecting garbage, try again later
return;
}
-
+
for (String repositoryName: GitBlit.self().getRepositoryList()) {
RepositoryModel model = GitBlit.self().getRepositoryModel(repositoryName);
if (model.hasCommits && !ArrayUtils.isEmpty(model.indexedBranches)) {
@@ -175,7 +175,7 @@ public class LuceneExecutor implements Runnable {
}
continue;
}
- index(model, repository);
+ index(model, repository);
repository.close();
System.gc();
}
@@ -185,7 +185,7 @@ public class LuceneExecutor implements Runnable {
/**
* Synchronously indexes a repository. This may build a complete index of a
* repository or it may update an existing index.
- *
+ *
* @param name
* the name of the repository
* @param repository
@@ -225,10 +225,10 @@ public class LuceneExecutor implements Runnable {
logger.error(MessageFormat.format("Lucene indexing failure for {0}", model.name), t);
}
}
-
+
/**
* Close the writer/searcher objects for a repository.
- *
+ *
* @param repositoryName
*/
public synchronized void close(String repositoryName) {
@@ -240,7 +240,7 @@ public class LuceneExecutor implements Runnable {
} catch (Exception e) {
logger.error("Failed to close index searcher for " + repositoryName, e);
}
-
+
try {
IndexWriter writer = writers.remove(repositoryName);
if (writer != null) {
@@ -248,12 +248,12 @@ public class LuceneExecutor implements Runnable {
}
} catch (Exception e) {
logger.error("Failed to close index writer for " + repositoryName, e);
- }
+ }
}
/**
* Close all Lucene indexers.
- *
+ *
*/
public synchronized void close() {
// close all writers
@@ -277,10 +277,10 @@ public class LuceneExecutor implements Runnable {
searchers.clear();
}
-
+
/**
* Deletes the Lucene index for the specified repository.
- *
+ *
* @param repositoryName
* @return true, if successful
*/
@@ -306,10 +306,10 @@ public class LuceneExecutor implements Runnable {
throw new RuntimeException(e);
}
}
-
+
/**
* Returns the author for the commit, if this information is available.
- *
+ *
* @param commit
* @return an author or unknown
*/
@@ -320,14 +320,14 @@ public class LuceneExecutor implements Runnable {
if (StringUtils.isEmpty(name)) {
name = commit.getAuthorIdent().getEmailAddress();
}
- } catch (NullPointerException n) {
+ } catch (NullPointerException n) {
}
return name;
}
-
+
/**
* Returns the committer for the commit, if this information is available.
- *
+ *
* @param commit
* @return an committer or unknown
*/
@@ -338,11 +338,11 @@ public class LuceneExecutor implements Runnable {
if (StringUtils.isEmpty(name)) {
name = commit.getCommitterIdent().getEmailAddress();
}
- } catch (NullPointerException n) {
+ } catch (NullPointerException n) {
}
return name;
}
-
+
/**
* Get the tree associated with the given commit.
*
@@ -363,7 +363,7 @@ public class LuceneExecutor implements Runnable {
/**
* Construct a keyname from the branch.
- *
+ *
* @param branchName
* @return a keyname appropriate for the Git config file format
*/
@@ -373,7 +373,7 @@ public class LuceneExecutor implements Runnable {
/**
* Returns the Lucene configuration for the specified repository.
- *
+ *
* @param repository
* @return a config object
*/
@@ -387,7 +387,7 @@ public class LuceneExecutor implements Runnable {
* Reads the Lucene config file for the repository to check the index
* version. If the index version is different, then rebuild the repository
* index.
- *
+ *
* @param repository
* @return true of the on-disk index format is different than INDEX_VERSION
*/
@@ -407,13 +407,13 @@ public class LuceneExecutor implements Runnable {
/**
* This completely indexes the repository and will destroy any existing
* index.
- *
+ *
* @param repositoryName
* @param repository
* @return IndexResult
*/
public IndexResult reindex(RepositoryModel model, Repository repository) {
- IndexResult result = new IndexResult();
+ IndexResult result = new IndexResult();
if (!deleteIndex(model.name)) {
return result;
}
@@ -434,12 +434,12 @@ public class LuceneExecutor implements Runnable {
}
tags.get(tag.getReferencedObjectId().getName()).add(tag.displayName);
}
-
+
ObjectReader reader = repository.newObjectReader();
// get the local branches
List<RefModel> branches = JGitUtils.getLocalBranches(repository, true, -1);
-
+
// sort them by most recently updated
Collections.sort(branches, new Comparator<RefModel>() {
@Override
@@ -447,7 +447,7 @@ public class LuceneExecutor implements Runnable {
return ref2.getDate().compareTo(ref1.getDate());
}
});
-
+
// reorder default branch to first position
RefModel defaultBranch = null;
ObjectId defaultBranchId = JGitUtils.getDefaultBranch(repository);
@@ -459,7 +459,7 @@ public class LuceneExecutor implements Runnable {
}
branches.remove(defaultBranch);
branches.add(0, defaultBranch);
-
+
// walk through each branch
for (RefModel branch : branches) {
@@ -475,7 +475,7 @@ public class LuceneExecutor implements Runnable {
// normal explicit branch check
indexBranch = model.indexedBranches.contains(branch.getName());
}
-
+
// if this branch is not specifically indexed then skip
if (!indexBranch) {
continue;
@@ -493,22 +493,22 @@ public class LuceneExecutor implements Runnable {
// index the blob contents of the tree
TreeWalk treeWalk = new TreeWalk(repository);
treeWalk.addTree(tip.getTree());
- treeWalk.setRecursive(true);
-
+ treeWalk.setRecursive(true);
+
Map<String, ObjectId> paths = new TreeMap<String, ObjectId>();
while (treeWalk.next()) {
// ensure path is not in a submodule
if (treeWalk.getFileMode(0) != FileMode.GITLINK) {
paths.put(treeWalk.getPathString(), treeWalk.getObjectId(0));
}
- }
+ }
ByteArrayOutputStream os = new ByteArrayOutputStream();
byte[] tmp = new byte[32767];
RevWalk commitWalk = new RevWalk(reader);
commitWalk.markStart(tip);
-
+
RevCommit commit;
while ((paths.size() > 0) && (commit = commitWalk.next()) != null) {
TreeWalk diffWalk = new TreeWalk(reader);
@@ -532,17 +532,17 @@ public class LuceneExecutor implements Runnable {
if (!paths.containsKey(path)) {
continue;
}
-
+
// remove path from set
ObjectId blobId = paths.remove(path);
result.blobCount++;
-
+
// index the blob metadata
String blobAuthor = getAuthor(commit);
String blobCommitter = getCommitter(commit);
String blobDate = DateTools.timeToString(commit.getCommitTime() * 1000L,
Resolution.MINUTE);
-
+
Document doc = new Document();
doc.add(new Field(FIELD_OBJECT_TYPE, SearchObjectType.blob.name(), Store.YES, Index.NOT_ANALYZED_NO_NORMS));
doc.add(new Field(FIELD_BRANCH, branchName, Store.YES, Index.ANALYZED));
@@ -550,7 +550,7 @@ public class LuceneExecutor implements Runnable {
doc.add(new Field(FIELD_PATH, path, Store.YES, Index.ANALYZED));
doc.add(new Field(FIELD_DATE, blobDate, Store.YES, Index.NO));
doc.add(new Field(FIELD_AUTHOR, blobAuthor, Store.YES, Index.ANALYZED));
- doc.add(new Field(FIELD_COMMITTER, blobCommitter, Store.YES, Index.ANALYZED));
+ doc.add(new Field(FIELD_COMMITTER, blobCommitter, Store.YES, Index.ANALYZED));
// determine extension to compare to the extension
// blacklist
@@ -561,20 +561,20 @@ public class LuceneExecutor implements Runnable {
}
// index the blob content
- if (StringUtils.isEmpty(ext) || !excludedExtensions.contains(ext)) {
+ if (StringUtils.isEmpty(ext) || !excludedExtensions.contains(ext)) {
ObjectLoader ldr = repository.open(blobId, Constants.OBJ_BLOB);
- InputStream in = ldr.openStream();
+ InputStream in = ldr.openStream();
int n;
while ((n = in.read(tmp)) > 0) {
os.write(tmp, 0, n);
}
in.close();
byte[] content = os.toByteArray();
- String str = StringUtils.decodeString(content, encodings);
+ String str = StringUtils.decodeString(content, encodings);
doc.add(new Field(FIELD_CONTENT, str, Store.YES, Index.ANALYZED));
os.reset();
- }
-
+ }
+
// add the blob to the index
writer.addDocument(doc);
}
@@ -608,7 +608,7 @@ public class LuceneExecutor implements Runnable {
// finished
reader.release();
-
+
// commit all changes and reset the searcher
config.setInt(CONF_INDEX, null, CONF_VERSION, INDEX_VERSION);
config.save();
@@ -620,11 +620,11 @@ public class LuceneExecutor implements Runnable {
}
return result;
}
-
+
/**
* Incrementally update the index with the specified commit for the
* repository.
- *
+ *
* @param repositoryName
* @param repository
* @param branch
@@ -632,7 +632,7 @@ public class LuceneExecutor implements Runnable {
* @param commit
* @return true, if successful
*/
- private IndexResult index(String repositoryName, Repository repository,
+ private IndexResult index(String repositoryName, Repository repository,
String branch, RevCommit commit) {
IndexResult result = new IndexResult();
try {
@@ -681,7 +681,7 @@ public class LuceneExecutor implements Runnable {
}
}
writer.commit();
-
+
// get any annotated commit tags
List<String> commitTags = new ArrayList<String>();
for (RefModel ref : JGitUtils.getTags(repository, false, -1)) {
@@ -689,7 +689,7 @@ public class LuceneExecutor implements Runnable {
commitTags.add(ref.displayName);
}
}
-
+
// create and write the Lucene document
Document doc = createDocument(commit, commitTags);
doc.add(new Field(FIELD_BRANCH, branch, Store.YES, Index.ANALYZED));
@@ -703,7 +703,7 @@ public class LuceneExecutor implements Runnable {
/**
* Delete a blob from the specified branch of the repository index.
- *
+ *
* @param repositoryName
* @param branch
* @param path
@@ -713,7 +713,7 @@ public class LuceneExecutor implements Runnable {
public boolean deleteBlob(String repositoryName, String branch, String path) throws Exception {
String pattern = MessageFormat.format("{0}:'{'0} AND {1}:\"'{'1'}'\" AND {2}:\"'{'2'}'\"", FIELD_OBJECT_TYPE, FIELD_BRANCH, FIELD_PATH);
String q = MessageFormat.format(pattern, SearchObjectType.blob.name(), branch, path);
-
+
BooleanQuery query = new BooleanQuery();
StandardAnalyzer analyzer = new StandardAnalyzer(LUCENE_VERSION);
QueryParser qp = new QueryParser(LUCENE_VERSION, FIELD_SUMMARY, analyzer);
@@ -721,7 +721,7 @@ public class LuceneExecutor implements Runnable {
IndexWriter writer = getIndexWriter(repositoryName);
int numDocsBefore = writer.numDocs();
- writer.deleteDocuments(query);
+ writer.deleteDocuments(query);
writer.commit();
int numDocsAfter = writer.numDocs();
if (numDocsBefore == numDocsAfter) {
@@ -735,7 +735,7 @@ public class LuceneExecutor implements Runnable {
/**
* Updates a repository index incrementally from the last indexed commits.
- *
+ *
* @param model
* @param repository
* @return IndexResult
@@ -770,7 +770,7 @@ public class LuceneExecutor implements Runnable {
// get the local branches
List<RefModel> branches = JGitUtils.getLocalBranches(repository, true, -1);
-
+
// sort them by most recently updated
Collections.sort(branches, new Comparator<RefModel>() {
@Override
@@ -778,7 +778,7 @@ public class LuceneExecutor implements Runnable {
return ref2.getDate().compareTo(ref1.getDate());
}
});
-
+
// reorder default branch to first position
RefModel defaultBranch = null;
ObjectId defaultBranchId = JGitUtils.getDefaultBranch(repository);
@@ -790,7 +790,7 @@ public class LuceneExecutor implements Runnable {
}
branches.remove(defaultBranch);
branches.add(0, defaultBranch);
-
+
// walk through each branches
for (RefModel branch : branches) {
String branchName = branch.getName();
@@ -807,15 +807,15 @@ public class LuceneExecutor implements Runnable {
// normal explicit branch check
indexBranch = model.indexedBranches.contains(branch.getName());
}
-
+
// if this branch is not specifically indexed then skip
if (!indexBranch) {
continue;
}
-
+
// remove this branch from the deletedBranches set
deletedBranches.remove(branchName);
-
+
// determine last commit
String keyName = getBranchKey(branchName);
String lastCommit = config.getString(CONF_BRANCH, null, keyName);
@@ -832,10 +832,10 @@ public class LuceneExecutor implements Runnable {
if (revs.size() > 0) {
result.branchCount += 1;
}
-
- // reverse the list of commits so we start with the first commit
+
+ // reverse the list of commits so we start with the first commit
Collections.reverse(revs);
- for (RevCommit commit : revs) {
+ for (RevCommit commit : revs) {
// index a commit
result.add(index(model.name, repository, branchName, commit));
}
@@ -862,10 +862,10 @@ public class LuceneExecutor implements Runnable {
}
return result;
}
-
+
/**
* Creates a Lucene document for a commit
- *
+ *
* @param commit
* @param tags
* @return a Lucene document
@@ -889,13 +889,13 @@ public class LuceneExecutor implements Runnable {
/**
* Incrementally index an object for the repository.
- *
+ *
* @param repositoryName
* @param doc
* @return true, if successful
*/
private boolean index(String repositoryName, Document doc) {
- try {
+ try {
IndexWriter writer = getIndexWriter(repositoryName);
writer.addDocument(doc);
writer.commit();
@@ -913,7 +913,7 @@ public class LuceneExecutor implements Runnable {
result.totalHits = totalHits;
result.score = score;
result.date = DateTools.stringToDate(doc.get(FIELD_DATE));
- result.summary = doc.get(FIELD_SUMMARY);
+ result.summary = doc.get(FIELD_SUMMARY);
result.author = doc.get(FIELD_AUTHOR);
result.committer = doc.get(FIELD_COMMITTER);
result.type = SearchObjectType.fromName(doc.get(FIELD_OBJECT_TYPE));
@@ -935,7 +935,7 @@ public class LuceneExecutor implements Runnable {
/**
* Gets an index searcher for the repository.
- *
+ *
* @param repository
* @return
* @throws IOException
@@ -953,16 +953,16 @@ public class LuceneExecutor implements Runnable {
/**
* Gets an index writer for the repository. The index will be created if it
* does not already exist or if forceCreate is specified.
- *
+ *
* @param repository
* @return an IndexWriter
* @throws IOException
*/
private IndexWriter getIndexWriter(String repository) throws IOException {
- IndexWriter indexWriter = writers.get(repository);
+ IndexWriter indexWriter = writers.get(repository);
File repositoryFolder = FileKey.resolve(new File(repositoriesFolder, repository), FS.DETECTED);
File indexFolder = new File(repositoryFolder, LUCENE_DIR);
- Directory directory = FSDirectory.open(indexFolder);
+ Directory directory = FSDirectory.open(indexFolder);
if (indexWriter == null) {
if (!indexFolder.exists()) {
@@ -979,7 +979,7 @@ public class LuceneExecutor implements Runnable {
/**
* Searches the specified repositories for the given text or query
- *
+ *
* @param text
* if the text is null or empty, null is returned
* @param page
@@ -990,7 +990,7 @@ public class LuceneExecutor implements Runnable {
* a list of repositories to search. if no repositories are
* specified null is returned.
* @return a list of SearchResults in order from highest to the lowest score
- *
+ *
*/
public List<SearchResult> search(String text, int page, int pageSize, List<String> repositories) {
if (ArrayUtils.isEmpty(repositories)) {
@@ -998,10 +998,10 @@ public class LuceneExecutor implements Runnable {
}
return search(text, page, pageSize, repositories.toArray(new String[0]));
}
-
+
/**
* Searches the specified repositories for the given text or query
- *
+ *
* @param text
* if the text is null or empty, null is returned
* @param page
@@ -1012,7 +1012,7 @@ public class LuceneExecutor implements Runnable {
* a list of repositories to search. if no repositories are
* specified null is returned.
* @return a list of SearchResults in order from highest to the lowest score
- *
+ *
*/
public List<SearchResult> search(String text, int page, int pageSize, String... repositories) {
if (StringUtils.isEmpty(text)) {
@@ -1034,7 +1034,7 @@ public class LuceneExecutor implements Runnable {
qp = new QueryParser(LUCENE_VERSION, FIELD_CONTENT, analyzer);
qp.setAllowLeadingWildcard(true);
query.add(qp.parse(text), Occur.SHOULD);
-
+
IndexSearcher searcher;
if (repositories.length == 1) {
// single repository search
@@ -1050,7 +1050,7 @@ public class LuceneExecutor implements Runnable {
MultiSourceReader reader = new MultiSourceReader(rdrs);
searcher = new IndexSearcher(reader);
}
-
+
Query rewrittenQuery = searcher.rewrite(query);
logger.debug(rewrittenQuery.toString());
@@ -1072,7 +1072,7 @@ public class LuceneExecutor implements Runnable {
int index = reader.getSourceIndex(docId);
result.repository = repositories[index];
}
- String content = doc.get(FIELD_CONTENT);
+ String content = doc.get(FIELD_CONTENT);
result.fragment = getHighlightedFragment(analyzer, query, content, result);
results.add(result);
}
@@ -1081,9 +1081,9 @@ public class LuceneExecutor implements Runnable {
}
return new ArrayList<SearchResult>(results);
}
-
+
/**
- *
+ *
* @param analyzer
* @param query
* @param content
@@ -1096,18 +1096,18 @@ public class LuceneExecutor implements Runnable {
String content, SearchResult result) throws IOException, InvalidTokenOffsetsException {
if (content == null) {
content = "";
- }
+ }
int fragmentLength = SearchObjectType.commit == result.type ? 512 : 150;
QueryScorer scorer = new QueryScorer(query, "content");
- Fragmenter fragmenter = new SimpleSpanFragmenter(scorer, fragmentLength);
+ Fragmenter fragmenter = new SimpleSpanFragmenter(scorer, fragmentLength);
// use an artificial delimiter for the token
String termTag = "!!--[";
String termTagEnd = "]--!!";
SimpleHTMLFormatter formatter = new SimpleHTMLFormatter(termTag, termTagEnd);
- Highlighter highlighter = new Highlighter(formatter, scorer);
+ Highlighter highlighter = new Highlighter(formatter, scorer);
highlighter.setTextFragmenter(fragmenter);
String [] fragments = highlighter.getBestFragments(analyzer, "content", content, 3);
@@ -1122,14 +1122,14 @@ public class LuceneExecutor implements Runnable {
}
return "<pre class=\"text\">" + StringUtils.escapeForHtml(fragment, true) + "</pre>";
}
-
+
// make sure we have unique fragments
Set<String> uniqueFragments = new LinkedHashSet<String>();
for (String fragment : fragments) {
uniqueFragments.add(fragment);
}
fragments = uniqueFragments.toArray(new String[uniqueFragments.size()]);
-
+
StringBuilder sb = new StringBuilder();
for (int i = 0, len = fragments.length; i < len; i++) {
String fragment = fragments[i];
@@ -1140,7 +1140,7 @@ public class LuceneExecutor implements Runnable {
// determine position of the raw fragment in the content
int pos = content.indexOf(raw);
-
+
// restore complete first line of fragment
int c = pos;
while (c > 0) {
@@ -1153,11 +1153,11 @@ public class LuceneExecutor implements Runnable {
// inject leading chunk of first fragment line
fragment = content.substring(c + 1, pos) + fragment;
}
-
+
if (SearchObjectType.blob == result.type) {
// count lines as offset into the content for this fragment
int line = Math.max(1, StringUtils.countLines(content.substring(0, pos)));
-
+
// create fragment tag with line number and language
String lang = "";
String ext = StringUtils.getFileExtension(result.path).toLowerCase();
@@ -1166,9 +1166,9 @@ public class LuceneExecutor implements Runnable {
lang = " lang-" + ext;
}
tag = MessageFormat.format("<pre class=\"prettyprint linenums:{0,number,0}{1}\">", line, lang);
-
+
}
-
+
sb.append(tag);
// replace the artificial delimiter with html tags
@@ -1181,10 +1181,10 @@ public class LuceneExecutor implements Runnable {
}
}
return sb.toString();
- }
-
+ }
+
/**
- * Simple class to track the results of an index update.
+ * Simple class to track the results of an index update.
*/
private class IndexResult {
long startTime = System.currentTimeMillis();
@@ -1193,33 +1193,33 @@ public class LuceneExecutor implements Runnable {
int branchCount;
int commitCount;
int blobCount;
-
+
void add(IndexResult result) {
this.branchCount += result.branchCount;
this.commitCount += result.commitCount;
this.blobCount += result.blobCount;
}
-
+
void success() {
success = true;
endTime = System.currentTimeMillis();
}
-
+
float duration() {
return (endTime - startTime)/1000f;
}
}
-
+
/**
* Custom subclass of MultiReader to identify the source index for a given
* doc id. This would not be necessary of there was a public method to
* obtain this information.
- *
+ *
*/
private class MultiSourceReader extends MultiReader {
-
+
final Method method;
-
+
MultiSourceReader(IndexReader[] subReaders) {
super(subReaders);
Method m = null;
@@ -1231,7 +1231,7 @@ public class LuceneExecutor implements Runnable {
}
method = m;
}
-
+
int getSourceIndex(int docId) {
int index = -1;
try {