From 7c7e942e29be432c081ff71362a756769e6bbe17 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 14 Mar 2012 16:19:16 -0400
Subject: [PATCH] Removed reference to old css file

---
 src/com/gitblit/utils/LuceneUtils.java |  476 ++++++++++++++++++++++++++++++++++++++++++-----------------
 1 files changed, 338 insertions(+), 138 deletions(-)

diff --git a/src/com/gitblit/utils/LuceneUtils.java b/src/com/gitblit/utils/LuceneUtils.java
index d463cdf..1c24f28 100644
--- a/src/com/gitblit/utils/LuceneUtils.java
+++ b/src/com/gitblit/utils/LuceneUtils.java
@@ -1,4 +1,21 @@
+/*
+ * Copyright 2012 gitblit.com.
+ *
+ * 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.gitblit.utils;
+
+import static org.eclipse.jgit.treewalk.filter.TreeFilter.ANY_DIFF;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -8,14 +25,18 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.TreeMap;
 import java.util.TreeSet;
 import java.util.concurrent.ConcurrentHashMap;
 
+import org.apache.lucene.analysis.Analyzer;
+import org.apache.lucene.analysis.TokenStream;
 import org.apache.lucene.analysis.standard.StandardAnalyzer;
 import org.apache.lucene.document.DateTools;
 import org.apache.lucene.document.DateTools.Resolution;
@@ -36,19 +57,27 @@
 import org.apache.lucene.search.Query;
 import org.apache.lucene.search.ScoreDoc;
 import org.apache.lucene.search.TopScoreDocCollector;
+import org.apache.lucene.search.highlight.Fragmenter;
+import org.apache.lucene.search.highlight.Highlighter;
+import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;
+import org.apache.lucene.search.highlight.QueryScorer;
+import org.apache.lucene.search.highlight.SimpleHTMLFormatter;
+import org.apache.lucene.search.highlight.SimpleSpanFragmenter;
+import org.apache.lucene.search.highlight.TokenSources;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.FSDirectory;
 import org.apache.lucene.util.Version;
 import org.eclipse.jgit.diff.DiffEntry.ChangeType;
 import org.eclipse.jgit.lib.Constants;
-import org.eclipse.jgit.lib.FileMode;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectLoader;
+import org.eclipse.jgit.lib.ObjectReader;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.revwalk.RevCommit;
-import org.eclipse.jgit.revwalk.RevObject;
+import org.eclipse.jgit.revwalk.RevTree;
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.eclipse.jgit.storage.file.FileBasedConfig;
+import org.eclipse.jgit.treewalk.EmptyTreeIterator;
 import org.eclipse.jgit.treewalk.TreeWalk;
 import org.eclipse.jgit.util.FS;
 
@@ -87,7 +116,9 @@
 	private static final int INDEX_VERSION = 1;
 
 	private static final String FIELD_OBJECT_TYPE = "type";
-	private static final String FIELD_OBJECT_ID = "id";
+	private static final String FIELD_ISSUE = "issue";
+	private static final String FIELD_PATH = "path";
+	private static final String FIELD_COMMIT = "commit";
 	private static final String FIELD_BRANCH = "branch";
 	private static final String FIELD_REPOSITORY = "repository";
 	private static final String FIELD_SUMMARY = "summary";
@@ -95,6 +126,7 @@
 	private static final String FIELD_AUTHOR = "author";
 	private static final String FIELD_COMMITTER = "committer";
 	private static final String FIELD_DATE = "date";
+	private static final String FIELD_TAG = "tag";
 	private static final String FIELD_LABEL = "label";
 	private static final String FIELD_ATTACHMENT = "attachment";
 
@@ -108,24 +140,47 @@
 	private static final Map<File, IndexSearcher> SEARCHERS = new ConcurrentHashMap<File, IndexSearcher>();
 	private static final Map<File, IndexWriter> WRITERS = new ConcurrentHashMap<File, IndexWriter>();
 
+	private static final String LUCENE_DIR = "lucene";
 	private static final String CONF_FILE = "lucene.conf";
 	private static final String CONF_INDEX = "index";
 	private static final String CONF_VERSION = "version";
 	private static final String CONF_ALIAS = "aliases";
 	private static final String CONF_BRANCH = "branches";
-
+	
 	/**
-	 * Returns the name of the repository.
+	 * Returns the author for the commit, if this information is available.
 	 * 
-	 * @param repository
-	 * @return the repository name
+	 * @param commit
+	 * @return an author or unknown
 	 */
-	private static String getName(Repository repository) {
-		if (repository.isBare()) {
-			return repository.getDirectory().getName();
-		} else {
-			return repository.getDirectory().getParentFile().getName();
+	private static String getAuthor(RevCommit commit) {
+		String name = "unknown";
+		try {
+			name = commit.getAuthorIdent().getName();
+			if (StringUtils.isEmpty(name)) {
+				name = commit.getAuthorIdent().getEmailAddress();
+			}
+		} catch (NullPointerException n) {						
 		}
+		return name;
+	}
+	
+	/**
+	 * Returns the committer for the commit, if this information is available.
+	 * 
+	 * @param commit
+	 * @return an committer or unknown
+	 */
+	private static String getCommitter(RevCommit commit) {
+		String name = "unknown";
+		try {
+			name = commit.getCommitterIdent().getName();
+			if (StringUtils.isEmpty(name)) {
+				name = commit.getCommitterIdent().getEmailAddress();
+			}
+		} catch (NullPointerException n) {						
+		}
+		return name;
 	}
 
 	/**
@@ -178,7 +233,7 @@
 	 */
 	public static boolean deleteIndex(Repository repository) {
 		try {
-			File luceneIndex = new File(repository.getDirectory(), "lucene");
+			File luceneIndex = new File(repository.getDirectory(), LUCENE_DIR);
 			if (luceneIndex.exists()) {
 				org.eclipse.jgit.util.FileUtils.delete(luceneIndex,
 						org.eclipse.jgit.util.FileUtils.RECURSIVE);
@@ -197,15 +252,16 @@
 	 * This completely indexes the repository and will destroy any existing
 	 * index.
 	 * 
+	 * @param repositoryName
 	 * @param repository
-	 * @return true if the indexing has succeeded
+	 * @return IndexResult
 	 */
-	public static boolean reindex(Repository repository) {
+	public static IndexResult reindex(String repositoryName, Repository repository) {
+		IndexResult result = new IndexResult();
 		if (!LuceneUtils.deleteIndex(repository)) {
-			return false;
+			return result;
 		}
-		try {
-			String repositoryName = getName(repository);
+		try {			
 			FileBasedConfig config = getConfig(repository);
 			Set<String> indexedCommits = new TreeSet<String>();
 			IndexWriter writer = getIndexWriter(repository, true);
@@ -221,111 +277,176 @@
 				}
 				tags.get(tag.getReferencedObjectId().getName()).add(tag.displayName);
 			}
+			
+			ObjectReader reader = repository.newObjectReader();
 
-			// walk through each branch
+			// 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
+				public int compare(RefModel ref1, RefModel ref2) {
+					return ref2.getDate().compareTo(ref1.getDate());
+				}
+			});
+			
+			// reorder default branch to first position
+			RefModel defaultBranch = null;
+			ObjectId defaultBranchId = JGitUtils.getDefaultBranch(repository);
+			for (RefModel branch :  branches) {
+				if (branch.getObjectId().equals(defaultBranchId)) {
+					defaultBranch = branch;					
+					break;
+				}
+			}
+			branches.remove(defaultBranch);
+			branches.add(0, defaultBranch);
+			
+			// walk through each branch
 			for (RefModel branch : branches) {
 				if (excludedBranches.contains(branch.getName())) {
 					continue;
 				}
+
 				String branchName = branch.getName();
-				RevWalk revWalk = new RevWalk(repository);
-				RevCommit rev = revWalk.parseCommit(branch.getObjectId());
+				RevWalk revWalk = new RevWalk(reader);
+				RevCommit tip = revWalk.parseCommit(branch.getObjectId());
+				String tipId = tip.getId().getName();
 
 				String keyName = getBranchKey(branchName);
 				config.setString(CONF_ALIAS, null, keyName, branchName);
-				config.setString(CONF_BRANCH, null, keyName, rev.getName());
+				config.setString(CONF_BRANCH, null, keyName, tipId);
 
 				// index the blob contents of the tree
+				TreeWalk treeWalk = new TreeWalk(repository);
+				treeWalk.addTree(tip.getTree());
+				treeWalk.setRecursive(true);								
+				
+				Map<String, ObjectId> paths = new TreeMap<String, ObjectId>();
+				while (treeWalk.next()) {
+					paths.put(treeWalk.getPathString(), treeWalk.getObjectId(0));
+				}				
+
 				ByteArrayOutputStream os = new ByteArrayOutputStream();
 				byte[] tmp = new byte[32767];
-				TreeWalk treeWalk = new TreeWalk(repository);
-				treeWalk.addTree(rev.getTree());
-				treeWalk.setRecursive(true);
-				String revDate = DateTools.timeToString(rev.getCommitTime() * 1000L,
-						Resolution.MINUTE);
-				while (treeWalk.next()) {
-					Document doc = new Document();
-					doc.add(new Field(FIELD_OBJECT_TYPE, ObjectType.blob.name(), Store.YES,
-							Index.NOT_ANALYZED_NO_NORMS));
-					doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES,
-							Index.NOT_ANALYZED));
-					doc.add(new Field(FIELD_BRANCH, branchName, Store.YES, Index.NOT_ANALYZED));
-					doc.add(new Field(FIELD_OBJECT_ID, treeWalk.getPathString(), Store.YES,
-							Index.NOT_ANALYZED));
-					doc.add(new Field(FIELD_DATE, revDate, Store.YES, Index.NO));
-					doc.add(new Field(FIELD_AUTHOR, rev.getAuthorIdent().getName(), Store.YES,
-							Index.NOT_ANALYZED_NO_NORMS));
-					doc.add(new Field(FIELD_COMMITTER, rev.getCommitterIdent().getName(),
-							Store.YES, Index.NOT_ANALYZED_NO_NORMS));
-					doc.add(new Field(FIELD_LABEL, branch.getName(), Store.YES, Index.ANALYZED));
 
-					// determine extension to compare to the extension
-					// blacklist
-					String ext = null;
-					String name = treeWalk.getPathString().toLowerCase();
-					if (name.indexOf('.') > -1) {
-						ext = name.substring(name.lastIndexOf('.') + 1);
+				RevWalk commitWalk = new RevWalk(reader);
+				commitWalk.markStart(tip);
+				
+				RevCommit commit;
+				while ((paths.size() > 0) && (commit = commitWalk.next()) != null) {
+					TreeWalk diffWalk = new TreeWalk(reader);
+					int parentCount = commit.getParentCount();
+					switch (parentCount) {
+					case 0:
+						diffWalk.addTree(new EmptyTreeIterator());
+						break;
+					case 1:
+						diffWalk.addTree(getTree(commitWalk, commit.getParent(0)));
+						break;
+					default:
+						// skip merge commits
+						continue;
 					}
-
-					if (StringUtils.isEmpty(ext) || !excludedExtensions.contains(ext)) {
-						// read the blob content
-						ObjectId entid = treeWalk.getObjectId(0);
-						FileMode entmode = treeWalk.getFileMode(0);
-						RevObject ro = revWalk.lookupAny(entid, entmode.getObjectType());
-						revWalk.parseBody(ro);
-						ObjectLoader ldr = repository.open(ro.getId(), Constants.OBJ_BLOB);
-						InputStream in = ldr.openStream();
-						os.reset();
-						int n = 0;
-						while ((n = in.read(tmp)) > 0) {
-							os.write(tmp, 0, n);
+					diffWalk.addTree(getTree(commitWalk, commit));
+					diffWalk.setFilter(ANY_DIFF);
+					diffWalk.setRecursive(true);
+					while ((paths.size() > 0) && diffWalk.next()) {
+						String path = diffWalk.getPathString();
+						if (!paths.containsKey(path)) {
+							continue;
 						}
-						in.close();
-						byte[] content = os.toByteArray();
-						String str = new String(content, "UTF-8");
-						doc.add(new Field(FIELD_CONTENT, str, Store.NO, Index.ANALYZED));
+						
+						// 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, ObjectType.blob.name(), Store.YES, Index.NOT_ANALYZED_NO_NORMS));
+						doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES, Index.ANALYZED));
+						doc.add(new Field(FIELD_BRANCH, branchName, Store.YES, Index.ANALYZED));
+						doc.add(new Field(FIELD_COMMIT, commit.getName(), Store.YES, Index.ANALYZED));
+						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));					
+
+						// determine extension to compare to the extension
+						// blacklist
+						String ext = null;
+						String name = path.toLowerCase();
+						if (name.indexOf('.') > -1) {
+							ext = name.substring(name.lastIndexOf('.') + 1);
+						}
+
+						// index the blob content
+						if (StringUtils.isEmpty(ext) || !excludedExtensions.contains(ext)) {							
+							ObjectLoader ldr = repository.open(blobId, Constants.OBJ_BLOB);
+							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 = new String(content, Constants.CHARACTER_ENCODING);
+							doc.add(new Field(FIELD_CONTENT, str, Store.YES, Index.ANALYZED));
+							os.reset();
+						}							
+						
+						// add the blob to the index
 						writer.addDocument(doc);
 					}
 				}
 
 				os.close();
-				treeWalk.release();
 
-				// index the head commit object
-				String head = rev.getId().getName();
-				if (indexedCommits.add(head)) {
-					Document doc = createDocument(rev, tags.get(head));
-					doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES,
-							Index.NOT_ANALYZED));
-					doc.add(new Field(FIELD_BRANCH, branchName, Store.YES, Index.NOT_ANALYZED));
+				// index the tip commit object
+				if (indexedCommits.add(tipId)) {
+					Document doc = createDocument(tip, tags.get(tipId));
+					doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES, Index.ANALYZED));
+					doc.add(new Field(FIELD_BRANCH, branchName, Store.YES, Index.ANALYZED));
 					writer.addDocument(doc);
+					result.commitCount += 1;
+					result.branchCount += 1;
 				}
 
 				// traverse the log and index the previous commit objects
-				revWalk.markStart(rev);
-				while ((rev = revWalk.next()) != null) {
+				RevWalk historyWalk = new RevWalk(reader);
+				historyWalk.markStart(historyWalk.parseCommit(tip.getId()));
+				RevCommit rev;
+				while ((rev = historyWalk.next()) != null) {
 					String hash = rev.getId().getName();
 					if (indexedCommits.add(hash)) {
 						Document doc = createDocument(rev, tags.get(hash));
-						doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES,
-								Index.NOT_ANALYZED));
-						doc.add(new Field(FIELD_BRANCH, branchName, Store.YES, Index.NOT_ANALYZED));
+						doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES, Index.ANALYZED));
+						doc.add(new Field(FIELD_BRANCH, branchName, Store.YES, Index.ANALYZED));
 						writer.addDocument(doc);
+						result.commitCount += 1;
 					}
 				}
-
-				// finished
-				revWalk.dispose();
 			}
 
+			// finished
+			reader.release();
+			
 			// this repository has a gb-issues branch, index all issues
 			if (IssueUtils.getIssuesBranch(repository) != null) {
 				List<IssueModel> issues = IssueUtils.getIssues(repository, null);
+				if (issues.size() > 0) {
+					result.branchCount += 1;
+				}
 				for (IssueModel issue : issues) {
+					result.issueCount++;
 					Document doc = createDocument(issue);
-					doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES,
-							Index.NOT_ANALYZED));
+					doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES, Index.ANALYZED));
 					writer.addDocument(doc);
 				}
 			}
@@ -335,24 +456,45 @@
 			config.save();
 			resetIndexSearcher(repository);
 			writer.commit();
-			return true;
+			result.success = true;
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
-		return false;
+		return result;
+	}
+	
+	/**
+	 * Get the tree associated with the given commit.
+	 *
+	 * @param walk
+	 * @param commit
+	 * @return tree
+	 * @throws IOException
+	 */
+	protected static RevTree getTree(final RevWalk walk, final RevCommit commit)
+			throws IOException {
+		final RevTree tree = commit.getTree();
+		if (tree != null) {
+			return tree;
+		}
+		walk.parseHeaders(commit);
+		return commit.getTree();
 	}
 
 	/**
 	 * Incrementally update the index with the specified commit for the
 	 * repository.
 	 * 
+	 * @param repositoryName
 	 * @param repository
 	 * @param branch
 	 *            the fully qualified branch name (e.g. refs/heads/master)
 	 * @param commit
 	 * @return true, if successful
 	 */
-	public static boolean index(Repository repository, String branch, RevCommit commit) {
+	private static IndexResult index(String repositoryName, Repository repository, 
+			String branch, RevCommit commit) {
+		IndexResult result = new IndexResult();
 		try {
 			if (excludedBranches.contains(branch)) {
 				if (IssueUtils.GB_ISSUES.equals(branch)) {
@@ -360,43 +502,44 @@
 					String issueId = commit.getShortMessage().substring(2).trim();
 					IssueModel issue = IssueUtils.getIssue(repository, issueId);
 					if (issue == null) {
-						// delete the old issue from the index, if exists
+						// issue was deleted, remove from index
 						IndexWriter writer = getIndexWriter(repository, false);
 						writer.deleteDocuments(
 								new Term(FIELD_OBJECT_TYPE, ObjectType.issue.name()), new Term(
-										FIELD_OBJECT_ID, issueId));
+										FIELD_ISSUE, issueId));
 						writer.commit();
-						return true;
+						result.success = true;
+						return result;
 					}
-					return index(repository, issue);
+					result.success = index(repositoryName, repository, issue);
+					result.issueCount++;
+					return result;
+					
 				}
-				return false;
+				return result;
 			}
 			List<PathChangeModel> changedPaths = JGitUtils.getFilesInCommit(repository, commit);
-			String repositoryName = getName(repository);
 			String revDate = DateTools.timeToString(commit.getCommitTime() * 1000L,
 					Resolution.MINUTE);
 			IndexWriter writer = getIndexWriter(repository, false);
 			for (PathChangeModel path : changedPaths) {
 				// delete the indexed blob
 				writer.deleteDocuments(new Term(FIELD_OBJECT_TYPE, ObjectType.blob.name()),
-						new Term(FIELD_BRANCH, branch), new Term(FIELD_OBJECT_ID, path.path));
+						new Term(FIELD_BRANCH, branch), new Term(FIELD_PATH, path.path));
 
 				// re-index the blob
 				if (!ChangeType.DELETE.equals(path.changeType)) {
+					result.blobCount++;
 					Document doc = new Document();
 					doc.add(new Field(FIELD_OBJECT_TYPE, ObjectType.blob.name(), Store.YES,
-							Index.NOT_ANALYZED_NO_NORMS));
-					doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES,
 							Index.NOT_ANALYZED));
-					doc.add(new Field(FIELD_BRANCH, branch, Store.YES, Index.NOT_ANALYZED));
-					doc.add(new Field(FIELD_OBJECT_ID, path.path, Store.YES, Index.NOT_ANALYZED));
+					doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES, Index.ANALYZED));
+					doc.add(new Field(FIELD_BRANCH, branch, Store.YES, Index.ANALYZED));
+					doc.add(new Field(FIELD_COMMIT, commit.getName(), Store.YES, Index.ANALYZED));
+					doc.add(new Field(FIELD_PATH, path.path, Store.YES, Index.ANALYZED));
 					doc.add(new Field(FIELD_DATE, revDate, Store.YES, Index.NO));
-					doc.add(new Field(FIELD_AUTHOR, commit.getAuthorIdent().getName(), Store.YES,
-							Index.NOT_ANALYZED_NO_NORMS));
-					doc.add(new Field(FIELD_COMMITTER, commit.getCommitterIdent().getName(),
-							Store.YES, Index.NOT_ANALYZED_NO_NORMS));
-					doc.add(new Field(FIELD_LABEL, branch, Store.YES, Index.ANALYZED));
+					doc.add(new Field(FIELD_AUTHOR, getAuthor(commit), Store.YES, Index.ANALYZED));
+					doc.add(new Field(FIELD_COMMITTER, getCommitter(commit), Store.YES, Index.ANALYZED));
 
 					// determine extension to compare to the extension
 					// blacklist
@@ -410,7 +553,7 @@
 						// read the blob content
 						String str = JGitUtils.getStringContent(repository, commit.getTree(),
 								path.path);
-						doc.add(new Field(FIELD_CONTENT, str, Store.NO, Index.ANALYZED));
+						doc.add(new Field(FIELD_CONTENT, str, Store.YES, Index.ANALYZED));
 						writer.addDocument(doc);
 					}
 				}
@@ -418,11 +561,12 @@
 			writer.commit();
 
 			Document doc = createDocument(commit, null);
-			return index(repository, doc);
+			result.commitCount++;
+			result.success = index(repositoryName, repository, doc);
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
-		return false;
+		return result;
 	}
 
 	/**
@@ -433,16 +577,16 @@
 	 * @param issue
 	 * @return true, if successful
 	 */
-	public static boolean index(Repository repository, IssueModel issue) {
+	public static boolean index(String repositoryName, Repository repository, IssueModel issue) {
 		try {
 			// delete the old issue from the index, if exists
 			IndexWriter writer = getIndexWriter(repository, false);
 			writer.deleteDocuments(new Term(FIELD_OBJECT_TYPE, ObjectType.issue.name()), new Term(
-					FIELD_OBJECT_ID, String.valueOf(issue.id)));
+					FIELD_ISSUE, String.valueOf(issue.id)));
 			writer.commit();
 
 			Document doc = createDocument(issue);
-			return index(repository, doc);
+			return index(repositoryName, repository, doc);
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
@@ -452,10 +596,12 @@
 	/**
 	 * Updates a repository index incrementally from the last indexed commits.
 	 * 
+	 * @param repositoryName
 	 * @param repository
+	 * @return IndexResult
 	 */
-	public static boolean updateIndex(Repository repository) {
-		boolean success = false;
+	public static IndexResult updateIndex(String repositoryName, Repository repository) {
+		IndexResult result = new IndexResult();
 		try {
 			FileBasedConfig config = getConfig(repository);
 			config.load();
@@ -475,13 +621,13 @@
 
 			// detect branch deletion
 			// first assume all branches are deleted and then remove each
-			// existing branch from deletedBranches during indexing			
+			// existing branch from deletedBranches during indexing
 			Set<String> deletedBranches = new TreeSet<String>();
 			for (String alias : config.getNames(CONF_ALIAS)) {
 				String branch = config.getString(CONF_ALIAS, null, alias);
 				deletedBranches.add(branch);
 			}
-			
+
 			// walk through each branches
 			List<RefModel> branches = JGitUtils.getLocalBranches(repository, true, -1);
 			for (RefModel branch : branches) {
@@ -490,7 +636,7 @@
 				// remove this branch from the deletedBranches set
 				deletedBranches.remove(branchName);
 
-				// determine last commit				
+				// determine last commit
 				String keyName = getBranchKey(branchName);
 				String lastCommit = config.getString(CONF_BRANCH, null, keyName);
 
@@ -503,10 +649,14 @@
 					revs = JGitUtils.getRevLog(repository, lastCommit, branchName);
 				}
 
-				// reverse the list of commits so we start with the first commit
+				if (revs.size() > 0) {
+					result.branchCount += 1;
+				}
+				
+				// reverse the list of commits so we start with the first commit				
 				Collections.reverse(revs);
 				for (RevCommit commit : revs) {
-					index(repository, branchName, commit);
+					result.add(index(repositoryName, repository, branchName, commit));					
 				}
 
 				// update the config
@@ -515,7 +665,7 @@
 				config.setString(CONF_BRANCH, null, keyName, branch.getObjectId().getName());
 				config.save();
 			}
-			
+
 			// the deletedBranches set will normally be empty by this point
 			// unless a branch really was deleted and no longer exists
 			if (deletedBranches.size() > 0) {
@@ -525,11 +675,11 @@
 					writer.commit();
 				}
 			}
-			success = true;
+			result.success = true;
 		} catch (Throwable t) {
 			t.printStackTrace();
 		}
-		return success;
+		return result;
 	}
 
 	/**
@@ -541,12 +691,12 @@
 	private static Document createDocument(IssueModel issue) {
 		Document doc = new Document();
 		doc.add(new Field(FIELD_OBJECT_TYPE, ObjectType.issue.name(), Store.YES,
-				Field.Index.NOT_ANALYZED_NO_NORMS));
-		doc.add(new Field(FIELD_OBJECT_ID, issue.id, Store.YES, Index.NOT_ANALYZED));
-		doc.add(new Field(FIELD_BRANCH, IssueUtils.GB_ISSUES, Store.YES, Index.NOT_ANALYZED));
+				Field.Index.NOT_ANALYZED));
+		doc.add(new Field(FIELD_ISSUE, issue.id, Store.YES, Index.ANALYZED));
+		doc.add(new Field(FIELD_BRANCH, IssueUtils.GB_ISSUES, Store.YES, Index.ANALYZED));
 		doc.add(new Field(FIELD_DATE, DateTools.dateToString(issue.created, Resolution.MINUTE),
 				Store.YES, Field.Index.NO));
-		doc.add(new Field(FIELD_AUTHOR, issue.reporter, Store.YES, Index.NOT_ANALYZED_NO_NORMS));
+		doc.add(new Field(FIELD_AUTHOR, issue.reporter, Store.YES, Index.ANALYZED));
 		List<String> attachments = new ArrayList<String>();
 		for (Attachment attachment : issue.getAttachments()) {
 			attachments.add(attachment.name.toLowerCase());
@@ -554,7 +704,7 @@
 		doc.add(new Field(FIELD_ATTACHMENT, StringUtils.flattenStrings(attachments), Store.YES,
 				Index.ANALYZED));
 		doc.add(new Field(FIELD_SUMMARY, issue.summary, Store.YES, Index.ANALYZED));
-		doc.add(new Field(FIELD_CONTENT, issue.toString(), Store.NO, Index.ANALYZED));
+		doc.add(new Field(FIELD_CONTENT, issue.toString(), Store.YES, Index.ANALYZED));
 		doc.add(new Field(FIELD_LABEL, StringUtils.flattenStrings(issue.getLabels()), Store.YES,
 				Index.ANALYZED));
 		return doc;
@@ -570,19 +720,16 @@
 	private static Document createDocument(RevCommit commit, List<String> tags) {
 		Document doc = new Document();
 		doc.add(new Field(FIELD_OBJECT_TYPE, ObjectType.commit.name(), Store.YES,
-				Index.NOT_ANALYZED_NO_NORMS));
-		doc.add(new Field(FIELD_OBJECT_ID, commit.getName(), Store.YES, Index.NOT_ANALYZED));
+				Index.NOT_ANALYZED));
+		doc.add(new Field(FIELD_COMMIT, commit.getName(), Store.YES, Index.ANALYZED));
 		doc.add(new Field(FIELD_DATE, DateTools.timeToString(commit.getCommitTime() * 1000L,
 				Resolution.MINUTE), Store.YES, Index.NO));
-		doc.add(new Field(FIELD_AUTHOR, commit.getCommitterIdent().getName(), Store.YES,
-				Index.NOT_ANALYZED_NO_NORMS));
+		doc.add(new Field(FIELD_AUTHOR, getAuthor(commit), Store.YES, Index.ANALYZED));
+		doc.add(new Field(FIELD_COMMITTER, getCommitter(commit), Store.YES, Index.ANALYZED));
 		doc.add(new Field(FIELD_SUMMARY, commit.getShortMessage(), Store.YES, Index.ANALYZED));
-		doc.add(new Field(FIELD_CONTENT, commit.getFullMessage(), Store.NO, Index.ANALYZED));
+		doc.add(new Field(FIELD_CONTENT, commit.getFullMessage(), Store.YES, Index.ANALYZED));
 		if (!ArrayUtils.isEmpty(tags)) {
-			if (!ArrayUtils.isEmpty(tags)) {
-				doc.add(new Field(FIELD_LABEL, StringUtils.flattenStrings(tags), Store.YES,
-						Index.ANALYZED));
-			}
+			doc.add(new Field(FIELD_TAG, StringUtils.flattenStrings(tags), Store.YES, Index.ANALYZED));
 		}
 		return doc;
 	}
@@ -590,13 +737,13 @@
 	/**
 	 * Incrementally index an object for the repository.
 	 * 
+	 * @param repositoryName
 	 * @param repository
 	 * @param doc
 	 * @return true, if successful
 	 */
-	private static boolean index(Repository repository, Document doc) {
-		try {
-			String repositoryName = getName(repository);
+	private static boolean index(String repositoryName, Repository repository, Document doc) {
+		try {			
 			doc.add(new Field(FIELD_REPOSITORY, repositoryName, Store.YES, Index.NOT_ANALYZED));
 			IndexWriter writer = getIndexWriter(repository, false);
 			writer.addDocument(doc);
@@ -613,13 +760,18 @@
 		SearchResult result = new SearchResult();
 		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 = ObjectType.fromName(doc.get(FIELD_OBJECT_TYPE));
 		result.repository = doc.get(FIELD_REPOSITORY);
 		result.branch = doc.get(FIELD_BRANCH);
-		result.id = doc.get(FIELD_OBJECT_ID);
+		result.commitId = doc.get(FIELD_COMMIT);
+		result.issueId = doc.get(FIELD_ISSUE);
+		result.path = doc.get(FIELD_PATH);
+		if (doc.get(FIELD_TAG) != null) {
+			result.tags = StringUtils.getStringsFromValue(doc.get(FIELD_TAG));
+		}
 		if (doc.get(FIELD_LABEL) != null) {
 			result.labels = StringUtils.getStringsFromValue(doc.get(FIELD_LABEL));
 		}
@@ -663,7 +815,7 @@
 	private static IndexWriter getIndexWriter(Repository repository, boolean forceCreate)
 			throws IOException {
 		IndexWriter indexWriter = WRITERS.get(repository.getDirectory());
-		File indexFolder = new File(repository.getDirectory(), "lucene");
+		File indexFolder = new File(repository.getDirectory(), LUCENE_DIR);
 		Directory directory = FSDirectory.open(indexFolder);
 		if (forceCreate || !indexFolder.exists()) {
 			// if the writer is going to blow away the existing index and create
@@ -750,12 +902,45 @@
 				int docId = hits[i].doc;
 				Document doc = searcher.doc(docId);
 				SearchResult result = createSearchResult(doc, hits[i].score);
+				String content = doc.get(FIELD_CONTENT);
+				result.fragment = getHighlightedFragment(analyzer, query, content);
 				results.add(result);
 			}
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
 		return new ArrayList<SearchResult>(results);
+	}
+	
+	private static String getHighlightedFragment(Analyzer analyzer, Query query,
+			String content) throws IOException, InvalidTokenOffsetsException {
+		content = content == null ? "":StringUtils.escapeForHtml(content, false);	
+		TokenStream stream = TokenSources.getTokenStream("content", content, analyzer);
+		QueryScorer scorer = new QueryScorer(query, "content");
+		Fragmenter fragmenter = new SimpleSpanFragmenter(scorer, 150);
+
+		SimpleHTMLFormatter formatter = new SimpleHTMLFormatter("<span class=\"highlight\">", "</span>");
+		Highlighter highlighter = new Highlighter(formatter, scorer);
+		
+		highlighter.setTextFragmenter(fragmenter);
+		String [] fragments = highlighter.getBestFragments(stream, content, 5);
+		if (ArrayUtils.isEmpty(fragments)) {
+			return content;
+		}
+		if (fragments.length == 1) {
+			return "<pre>" + fragments[0] + "</pre>";
+		}
+		StringBuilder sb = new StringBuilder();
+		for (int i = 0, len = fragments.length; i < len; i++) {
+			String fragment = fragments[i].trim();			
+			sb.append("<pre>");
+			sb.append(fragment);
+			sb.append("</pre>");
+			if (i < len - 1) {
+				sb.append("<span class=\"ellipses\">...</span><br/>");
+			}
+		}
+		return sb.toString();
 	}
 
 	/**
@@ -782,4 +967,19 @@
 		}
 		SEARCHERS.clear();
 	}
+
+	public static class IndexResult {
+		public boolean success;
+		public int branchCount;
+		public int commitCount;
+		public int blobCount;
+		public int issueCount;
+		
+		public void add(IndexResult result) {
+			this.branchCount += result.branchCount;
+			this.commitCount += result.commitCount;
+			this.blobCount += result.blobCount;
+			this.issueCount += result.issueCount;			
+		}
+	}
 }

--
Gitblit v1.9.1