From 4c835e61e8ea2d5af2acf0c85c3c1f0d06f419df Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 26 Oct 2011 17:19:55 -0400
Subject: [PATCH] Documentation.
---
src/com/gitblit/GitBlit.java | 236 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 227 insertions(+), 9 deletions(-)
diff --git a/src/com/gitblit/GitBlit.java b/src/com/gitblit/GitBlit.java
index c35340a..19edf20 100644
--- a/src/com/gitblit/GitBlit.java
+++ b/src/com/gitblit/GitBlit.java
@@ -15,9 +15,12 @@
*/
package com.gitblit;
+import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
import java.lang.reflect.Field;
import java.text.MessageFormat;
import java.util.ArrayList;
@@ -35,6 +38,7 @@
import javax.mail.Message;
import javax.mail.MessagingException;
+import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.http.Cookie;
@@ -59,13 +63,20 @@
import com.gitblit.Constants.FederationToken;
import com.gitblit.models.FederationModel;
import com.gitblit.models.FederationProposal;
+import com.gitblit.models.FederationSet;
+import com.gitblit.models.Metric;
+import com.gitblit.models.ObjectCache;
import com.gitblit.models.RepositoryModel;
+import com.gitblit.models.ServerSettings;
+import com.gitblit.models.ServerStatus;
+import com.gitblit.models.SettingModel;
import com.gitblit.models.UserModel;
+import com.gitblit.utils.ByteFormat;
import com.gitblit.utils.FederationUtils;
import com.gitblit.utils.JGitUtils;
+import com.gitblit.utils.JsonUtils;
+import com.gitblit.utils.MetricUtils;
import com.gitblit.utils.StringUtils;
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
/**
* GitBlit is the servlet context listener singleton that acts as the core for
@@ -96,7 +107,13 @@
private final Map<String, FederationModel> federationPullResults = new ConcurrentHashMap<String, FederationModel>();
+ private final ObjectCache<Long> repositorySizeCache = new ObjectCache<Long>();
+
+ private final ObjectCache<List<Metric>> repositoryMetricsCache = new ObjectCache<List<Metric>>();
+
private RepositoryResolver<Void> repositoryResolver;
+
+ private ServletContext servletContext;
private File repositoriesFolder;
@@ -105,6 +122,10 @@
private IUserService userService;
private IStoredSettings settings;
+
+ private ServerSettings settingsModel;
+
+ private ServerStatus serverStatus;
private MailExecutor mailExecutor;
@@ -223,6 +244,23 @@
*/
public static boolean isDebugMode() {
return self().settings.getBoolean(Keys.web.debugMode, false);
+ }
+
+ /**
+ * Updates the list of server settings.
+ *
+ * @param settings
+ * @return true if the update succeeded
+ */
+ public boolean updateSettings(Map<String, String> updatedSettings) {
+ return settings.saveSettings(updatedSettings);
+ }
+
+ public ServerStatus getStatus() {
+ // update heap memory status
+ serverStatus.heapAllocated = Runtime.getRuntime().totalMemory();
+ serverStatus.heapFree = Runtime.getRuntime().freeMemory();
+ return serverStatus;
}
/**
@@ -412,9 +450,26 @@
*/
public void updateUserModel(String username, UserModel user, boolean isCreate)
throws GitBlitException {
+ if (!username.equalsIgnoreCase(user.username)) {
+ if (userService.getUserModel(user.username) != null) {
+ throw new GitBlitException(MessageFormat.format(
+ "Failed to rename ''{0}'' because ''{1}'' already exists.", username,
+ user.username));
+ }
+ }
if (!userService.updateUserModel(username, user)) {
throw new GitBlitException(isCreate ? "Failed to add user!" : "Failed to update user!");
}
+ }
+
+ /**
+ * Clears all the cached data for the specified repository.
+ *
+ * @param repositoryName
+ */
+ public void clearRepositoryCache(String repositoryName) {
+ repositorySizeCache.remove(repositoryName);
+ repositoryMetricsCache.remove(repositoryName);
}
/**
@@ -469,6 +524,20 @@
repositories.add(model);
}
}
+ if (getBoolean(Keys.web.showRepositorySizes, true)) {
+ int repoCount = 0;
+ long startTime = System.currentTimeMillis();
+ ByteFormat byteFormat = new ByteFormat();
+ for (RepositoryModel model : repositories) {
+ if (!model.skipSizeCalculation) {
+ repoCount++;
+ model.size = byteFormat.format(calculateSize(model));
+ }
+ }
+ long duration = System.currentTimeMillis() - startTime;
+ logger.info(MessageFormat.format("{0} repository sizes calculated in {1} msecs",
+ repoCount, duration));
+ }
return repositories;
}
@@ -522,6 +591,8 @@
model.showRemoteBranches = getConfig(config, "showRemoteBranches", false);
model.isFrozen = getConfig(config, "isFrozen", false);
model.showReadme = getConfig(config, "showReadme", false);
+ model.skipSizeCalculation = getConfig(config, "skipSizeCalculation", false);
+ model.skipSummaryMetrics = getConfig(config, "skipSummaryMetrics", false);
model.federationStrategy = FederationStrategy.fromName(getConfig(config,
"federationStrategy", null));
model.federationSets = new ArrayList<String>(Arrays.asList(config.getStringList(
@@ -534,14 +605,22 @@
}
/**
- * Returns the size in bytes of the repository.
+ * Returns the size in bytes of the repository. Gitblit caches the
+ * repository sizes to reduce the performance penalty of recursive
+ * calculation. The cache is updated if the repository has been changed
+ * since the last calculation.
*
* @param model
* @return size in bytes
*/
public long calculateSize(RepositoryModel model) {
+ if (repositorySizeCache.hasCurrent(model.name, model.lastChange)) {
+ return repositorySizeCache.getObject(model.name);
+ }
File gitDir = FileKey.resolve(new File(repositoriesFolder, model.name), FS.DETECTED);
- return com.gitblit.utils.FileUtils.folderSize(gitDir);
+ long size = com.gitblit.utils.FileUtils.folderSize(gitDir);
+ repositorySizeCache.updateObject(model.name, model.lastChange, size);
+ return size;
}
/**
@@ -580,7 +659,26 @@
}
/**
- * Returns the gitblit string vlaue for the specified key. If key is not
+ * Returns the metrics for the default branch of the specified repository.
+ * This method builds a metrics cache. The cache is updated if the
+ * repository is updated. A new copy of the metrics list is returned on each
+ * call so that modifications to the list are non-destructive.
+ *
+ * @param model
+ * @param repository
+ * @return a new array list of metrics
+ */
+ public List<Metric> getRepositoryDefaultMetrics(RepositoryModel model, Repository repository) {
+ if (repositoryMetricsCache.hasCurrent(model.name, model.lastChange)) {
+ return new ArrayList<Metric>(repositoryMetricsCache.getObject(model.name));
+ }
+ List<Metric> metrics = MetricUtils.getDateMetrics(repository, null, true, null);
+ repositoryMetricsCache.updateObject(model.name, model.lastChange, metrics);
+ return new ArrayList<Metric>(metrics);
+ }
+
+ /**
+ * Returns the gitblit string value for the specified key. If key is not
* set, returns defaultValue.
*
* @param config
@@ -642,6 +740,15 @@
} else {
// rename repository
if (!repositoryName.equalsIgnoreCase(repository.name)) {
+ if (!repository.name.toLowerCase().endsWith(
+ org.eclipse.jgit.lib.Constants.DOT_GIT_EXT)) {
+ repository.name += org.eclipse.jgit.lib.Constants.DOT_GIT_EXT;
+ }
+ if (new File(repositoriesFolder, repository.name).exists()) {
+ throw new GitBlitException(MessageFormat.format(
+ "Failed to rename ''{0}'' because ''{1}'' already exists.",
+ repositoryName, repository.name));
+ }
closeRepository(repositoryName);
File folder = new File(repositoriesFolder, repositoryName);
File destFolder = new File(repositoriesFolder, repository.name);
@@ -662,6 +769,9 @@
"Failed to rename repository permissions ''{0}'' to ''{1}''.",
repositoryName, repository.name));
}
+
+ // clear the cache
+ clearRepositoryCache(repositoryName);
}
// load repository
@@ -702,6 +812,8 @@
config.setBoolean("gitblit", null, "showRemoteBranches", repository.showRemoteBranches);
config.setBoolean("gitblit", null, "isFrozen", repository.isFrozen);
config.setBoolean("gitblit", null, "showReadme", repository.showReadme);
+ config.setBoolean("gitblit", null, "skipSizeCalculation", repository.skipSizeCalculation);
+ config.setBoolean("gitblit", null, "skipSummaryMetrics", repository.skipSummaryMetrics);
config.setStringList("gitblit", null, "federationSets", repository.federationSets);
config.setString("gitblit", null, "federationStrategy",
repository.federationStrategy.name());
@@ -741,6 +853,9 @@
return true;
}
}
+
+ // clear the repository cache
+ clearRepositoryCache(repositoryName);
} catch (Throwable t) {
logger.error(MessageFormat.format("Failed to delete repository {0}", repositoryName), t);
}
@@ -875,6 +990,29 @@
}
/**
+ * Returns the list of federation sets.
+ *
+ * @return list of federation sets
+ */
+ public List<FederationSet> getFederationSets(String gitblitUrl) {
+ List<FederationSet> list = new ArrayList<FederationSet>();
+ // generate standard tokens
+ for (FederationToken type : FederationToken.values()) {
+ FederationSet fset = new FederationSet(type.toString(), type, getFederationToken(type));
+ fset.repositories = getRepositories(gitblitUrl, fset.token);
+ list.add(fset);
+ }
+ // generate tokens for federation sets
+ for (String set : settings.getStrings(Keys.federation.sets)) {
+ FederationSet fset = new FederationSet(set, FederationToken.REPOSITORIES,
+ getFederationToken(set));
+ fset.repositories = getRepositories(gitblitUrl, fset.token);
+ list.add(fset);
+ }
+ return list;
+ }
+
+ /**
* Returns the list of possible federation tokens for this Gitblit instance.
*
* @return list of federation tokens
@@ -978,8 +1116,7 @@
*/
public boolean submitFederationProposal(FederationProposal proposal, String gitblitUrl) {
// convert proposal to json
- Gson gson = new GsonBuilder().setPrettyPrinting().create();
- String json = gson.toJson(proposal);
+ String json = JsonUtils.toJsonString(proposal);
try {
// make the proposals folder
@@ -1025,10 +1162,10 @@
&& file.getName().toLowerCase().endsWith(Constants.PROPOSAL_EXT);
}
});
- Gson gson = new Gson();
for (File file : files) {
String json = com.gitblit.utils.FileUtils.readContent(file, null);
- FederationProposal proposal = gson.fromJson(json, FederationProposal.class);
+ FederationProposal proposal = JsonUtils.fromJsonString(json,
+ FederationProposal.class);
list.add(proposal);
}
}
@@ -1164,6 +1301,82 @@
}
/**
+ * Returns the descriptions/comments of the Gitblit config settings.
+ *
+ * @return SettingsModel
+ */
+ public ServerSettings getSettingsModel() {
+ // ensure that the current values are updated in the setting models
+ settingsModel.updateCurrentValues(settings);
+ return settingsModel;
+ }
+
+ /**
+ * Parse the properties file and aggregate all the comments by the setting
+ * key. A setting model tracks the current value, the default value, the
+ * description of the setting and and directives about the setting.
+ *
+ * @return Map<String, SettingModel>
+ */
+ private ServerSettings loadSettingModels() {
+ ServerSettings settingsModel = new ServerSettings();
+ try {
+ // Read bundled Gitblit properties to extract setting descriptions.
+ // This copy is pristine and only used for populating the setting
+ // models map.
+ InputStream is = servletContext.getResourceAsStream("/WEB-INF/reference.properties");
+ BufferedReader propertiesReader = new BufferedReader(new InputStreamReader(is));
+ StringBuilder description = new StringBuilder();
+ SettingModel setting = new SettingModel();
+ String line = null;
+ while ((line = propertiesReader.readLine()) != null) {
+ if (line.length() == 0) {
+ description.setLength(0);
+ setting = new SettingModel();
+ } else {
+ if (line.charAt(0) == '#') {
+ if (line.length() > 1) {
+ String text = line.substring(1).trim();
+ if (SettingModel.CASE_SENSITIVE.equals(text)) {
+ setting.caseSensitive = true;
+ } else if (SettingModel.RESTART_REQUIRED.equals(text)) {
+ setting.restartRequired = true;
+ } else if (SettingModel.SPACE_DELIMITED.equals(text)) {
+ setting.spaceDelimited = true;
+ } else if (text.startsWith(SettingModel.SINCE)) {
+ try {
+ setting.since = text.split(" ")[1];
+ } catch (Exception e) {
+ setting.since = text;
+ }
+ } else {
+ description.append(text);
+ description.append('\n');
+ }
+ }
+ } else {
+ String[] kvp = line.split("=", 2);
+ String key = kvp[0].trim();
+ setting.name = key;
+ setting.defaultValue = kvp[1].trim();
+ setting.currentValue = setting.defaultValue;
+ setting.description = description.toString().trim();
+ settingsModel.add(setting);
+ description.setLength(0);
+ setting = new SettingModel();
+ }
+ }
+ }
+ propertiesReader.close();
+ } catch (NullPointerException e) {
+ logger.error("Failed to find resource copy of gitblit.properties");
+ } catch (IOException e) {
+ logger.error("Failed to load resource copy of gitblit.properties");
+ }
+ return settingsModel;
+ }
+
+ /**
* Configure the Gitblit singleton with the specified settings source. This
* source may be file settings (Gitblit GO) or may be web.xml settings
* (Gitblit WAR).
@@ -1176,6 +1389,7 @@
repositoriesFolder = new File(settings.getString(Keys.git.repositoriesFolder, "git"));
logger.info("Git repositories folder " + repositoriesFolder.getAbsolutePath());
repositoryResolver = new FileResolver<Void>(repositoriesFolder, exportAll);
+ serverStatus = new ServerStatus(isGO());
String realm = settings.getString(Keys.realm.userService, "users.properties");
IUserService loginService = null;
try {
@@ -1218,11 +1432,15 @@
*/
@Override
public void contextInitialized(ServletContextEvent contextEvent) {
+ servletContext = contextEvent.getServletContext();
+ settingsModel = loadSettingModels();
if (settings == null) {
// Gitblit WAR is running in a servlet container
WebXmlSettings webxmlSettings = new WebXmlSettings(contextEvent.getServletContext());
configureContext(webxmlSettings, true);
}
+
+ serverStatus.servletContainer = servletContext.getServerInfo();
}
/**
--
Gitblit v1.9.1