Format all Java files with google-java-format 1.7 Change-Id: I6bfacdcd1a19d67b5ca5f7752eaa34eed6a66578

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/GitCommitCacheModule.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/GitCommitCacheModule.java
index d54a17b..fe93a9c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/GitCommitCacheModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/GitCommitCacheModule.java

@@ -13,8 +13,6 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork;
 
-import java.util.List;
-
 import com.google.gerrit.extensions.events.GitReferenceUpdatedListener;
 import com.google.gerrit.extensions.events.NewProjectCreatedListener;
 import com.google.gerrit.extensions.registration.DynamicSet;
@@ -23,17 +21,16 @@
 import com.googlesource.gerrit.plugins.branchnetwork.data.GitCommitCache;
 import com.googlesource.gerrit.plugins.branchnetwork.data.GitCommitCacheRefresh;
 import com.googlesource.gerrit.plugins.branchnetwork.data.json.Commit;
+import java.util.List;
 
 public class GitCommitCacheModule extends CacheModule {
 
   @Override
   protected void configure() {
-    cache(GitCommitCache.GRAPH_DATA_CACHE, String.class,
-        new TypeLiteral<List<Commit>>() {}).loader(GitCommitCache.class);
+    cache(GitCommitCache.GRAPH_DATA_CACHE, String.class, new TypeLiteral<List<Commit>>() {})
+        .loader(GitCommitCache.class);
 
-    DynamicSet.bind(binder(), GitReferenceUpdatedListener.class).to(
-        GitCommitCacheRefresh.class);
-    DynamicSet.bind(binder(), NewProjectCreatedListener.class).to(
-        GitCommitCacheRefresh.class);
+    DynamicSet.bind(binder(), GitReferenceUpdatedListener.class).to(GitCommitCacheRefresh.class);
+    DynamicSet.bind(binder(), NewProjectCreatedListener.class).to(GitCommitCacheRefresh.class);
   }
 }

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/GitGraphServlet.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/GitGraphServlet.java
index 8248982..e96678b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/GitGraphServlet.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/GitGraphServlet.java

@@ -13,19 +13,6 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork.canvas;
 
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.net.MalformedURLException;
-import java.net.URL;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.eclipse.jgit.errors.RepositoryNotFoundException;
-import org.eclipse.jgit.lib.Repository;
-
 import com.google.gerrit.common.data.GitwebType;
 import com.google.gerrit.extensions.annotations.PluginCanonicalWebUrl;
 import com.google.gerrit.extensions.restapi.AuthException;
@@ -39,6 +26,16 @@
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.MalformedURLException;
+import java.net.URL;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.lib.Repository;
 
 @Singleton
 public class GitGraphServlet extends HttpServlet {
@@ -54,15 +51,15 @@
   private final PermissionBackend permissionBackend;
 
   @Inject
-  public GitGraphServlet(@PluginCanonicalWebUrl String url,
+  public GitGraphServlet(
+      @PluginCanonicalWebUrl String url,
       GitwebConfig gitWebConfig,
       final GitRepositoryManager repoManager,
       Provider<CurrentUser> user,
       PermissionBackend permissionBackend)
       throws MalformedURLException {
     this.canonicalPath = new URL(url).getPath();
-    this.pluginCanonicalWebUrl =
-        url.substring(0, url.length() - (canonicalPath.length() - 1));
+    this.pluginCanonicalWebUrl = url.substring(0, url.length() - (canonicalPath.length() - 1));
     this.repoManager = repoManager;
     this.gitWebConfig = gitWebConfig;
     this.user = user;
@@ -111,11 +108,9 @@
         }
       }
 
-      String networkMetaUrl =
-          String.format("%1$snetwork_meta/%2$s/", canonicalPath, repoName);
+      String networkMetaUrl = String.format("%1$snetwork_meta/%2$s/", canonicalPath, repoName);
       String networkDataChunkUrl =
-          String.format("%1$snetwork_data_chunk/%2$s/?nethash=", canonicalPath,
-              repoName);
+          String.format("%1$snetwork_data_chunk/%2$s/?nethash=", canonicalPath, repoName);
 
       GitwebType type = gitWebConfig.getGitwebType();
       if (type == null) {
@@ -127,20 +122,25 @@
                     .replaceAll("\\$\\{project\\}", repoName)
                     .replaceAll("\\$\\{commit\\}", "{2}");
         String projectPattern =
-            gitWebConfig.getUrl()
-                + type.getProject()
-                    .replaceAll("\\$\\{project\\}", repoName);
+            gitWebConfig.getUrl() + type.getProject().replaceAll("\\$\\{project\\}", repoName);
 
         commitUrlPattern =
-            (commitUrlPattern.startsWith("/") ? commitUrlPattern : pluginCanonicalWebUrl
-                + commitUrlPattern);
+            (commitUrlPattern.startsWith("/")
+                ? commitUrlPattern
+                : pluginCanonicalWebUrl + commitUrlPattern);
         projectPattern =
-            (projectPattern.startsWith("/") ? projectPattern : pluginCanonicalWebUrl
-                + projectPattern);
+            (projectPattern.startsWith("/")
+                ? projectPattern
+                : pluginCanonicalWebUrl + projectPattern);
 
         String header =
-            "<html>\n" + "<head>\n" + "<style type=\"text/css\">\n"
-                + "div#progress\n" + "{\n" + "position:absolute;\n" + "left:"
+            "<html>\n"
+                + "<head>\n"
+                + "<style type=\"text/css\">\n"
+                + "div#progress\n"
+                + "{\n"
+                + "position:absolute;\n"
+                + "left:"
                 + (width - PROGRESS_BAR_WIDTH) / 2
                 + "px;\n"
                 + "top:"
@@ -165,22 +165,41 @@
                 + "</div>"
                 + "<div id=\"graph\">";
         String javaScript =
-            "<script type=\"text/javascript\" src=\"" + canonicalPath
+            "<script type=\"text/javascript\" src=\""
+                + canonicalPath
                 + "static/jquery-1.4.2.min.js\"></script>\n"
-                + "<script type=\"text/javascript\" src=\"" + canonicalPath
+                + "<script type=\"text/javascript\" src=\""
+                + canonicalPath
                 + "static/network.js\"></script>\n"
                 + "<script type=\"text/javascript\">"
                 + "$(document).ready( function() {\n"
-                + "new NetworkCanvas('network-canvas', " + width + ", " + height
-                + " , null, null, null,\n" + "'" + commitUrlPattern + "',\n"
-                + "'" + projectPattern + "',\n" + "'" + networkMetaUrl + "',\n"
-                + "'" + networkDataChunkUrl + "');\n" + "});\n" + "</script>\n";
+                + "new NetworkCanvas('network-canvas', "
+                + width
+                + ", "
+                + height
+                + " , null, null, null,\n"
+                + "'"
+                + commitUrlPattern
+                + "',\n"
+                + "'"
+                + projectPattern
+                + "',\n"
+                + "'"
+                + networkMetaUrl
+                + "',\n"
+                + "'"
+                + networkDataChunkUrl
+                + "');\n"
+                + "});\n"
+                + "</script>\n";
         String canvas =
-            "<canvas id=\"network-canvas\" width=\"" + width + "\" height=\""
-                + height + "\" style=\"cursor: default; \"></canvas>";
+            "<canvas id=\"network-canvas\" width=\""
+                + width
+                + "\" height=\""
+                + height
+                + "\" style=\"cursor: default; \"></canvas>";
         String footer = "</div>" + "</body>\n" + "</html>\n";
-        out.println(naked ? (javaScript + canvas)
-            : (header + javaScript + canvas + footer));
+        out.println(naked ? (javaScript + canvas) : (header + javaScript + canvas + footer));
       }
     } finally {
       out.close();

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/JsonService.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/JsonService.java
index 8f64110..4b13fc5 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/JsonService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/JsonService.java

@@ -13,15 +13,6 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork.canvas;
 
-import java.io.IOException;
-import java.io.OutputStreamWriter;
-import java.io.UnsupportedEncodingException;
-import java.lang.reflect.Type;
-
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gson.JsonElement;
@@ -29,6 +20,13 @@
 import com.google.gson.JsonSerializer;
 import com.google.gson.stream.JsonWriter;
 import com.googlesource.gerrit.plugins.branchnetwork.data.json.Parent;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.UnsupportedEncodingException;
+import java.lang.reflect.Type;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 public class JsonService extends HttpServlet {
   private static final long serialVersionUID = -909762366548464514L;
@@ -36,20 +34,21 @@
 
   private static Gson getGson() {
     GsonBuilder gsonBuilder = new GsonBuilder();
-    gsonBuilder.registerTypeAdapter(Parent.class, new JsonSerializer<Parent>() {
-      @Override
-      public JsonElement serialize(Parent src, Type typeOfSrc,
-          JsonSerializationContext context) {
-        return src.toJson();
-      }
-    });
+    gsonBuilder.registerTypeAdapter(
+        Parent.class,
+        new JsonSerializer<Parent>() {
+          @Override
+          public JsonElement serialize(
+              Parent src, Type typeOfSrc, JsonSerializationContext context) {
+            return src.toJson();
+          }
+        });
     return gsonBuilder.create();
   }
 
   protected void returnJsonResponse(HttpServletResponse resp, Object data)
       throws UnsupportedEncodingException, IOException {
-    JsonWriter writer =
-        new JsonWriter(new OutputStreamWriter(resp.getOutputStream(), "UTF-8"));
+    JsonWriter writer = new JsonWriter(new OutputStreamWriter(resp.getOutputStream(), "UTF-8"));
     try {
       gson.toJson(data, data.getClass(), writer);
     } finally {
@@ -62,8 +61,7 @@
     String reqURI = req.getRequestURI();
     int servletPathPos = reqURI.indexOf(servletPath);
 
-    String projectName =
-        reqURI.substring(servletPathPos + servletPath.length());
+    String projectName = reqURI.substring(servletPathPos + servletPath.length());
     if (projectName.startsWith("/")) {
       projectName = projectName.substring(1);
     }

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/NetworkDataChunkService.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/NetworkDataChunkService.java
index f4e705d..f62784c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/NetworkDataChunkService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/NetworkDataChunkService.java

@@ -13,14 +13,6 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork.canvas;
 
-import java.io.IOException;
-import java.util.List;
-import java.util.concurrent.ExecutionException;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 import com.google.common.cache.LoadingCache;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -28,6 +20,12 @@
 import com.googlesource.gerrit.plugins.branchnetwork.data.GitCommitCache;
 import com.googlesource.gerrit.plugins.branchnetwork.data.json.Commit;
 import com.googlesource.gerrit.plugins.branchnetwork.data.json.Data;
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 @Singleton
 public class NetworkDataChunkService extends JsonService {
@@ -39,7 +37,8 @@
 
   @Inject
   public NetworkDataChunkService(
-      @Named(GitCommitCache.GRAPH_DATA_CACHE) final LoadingCache<String, List<Commit>> networkGraphDataCache) {
+      @Named(GitCommitCache.GRAPH_DATA_CACHE)
+          final LoadingCache<String, List<Commit>> networkGraphDataCache) {
     this.networkGraphDataCache = networkGraphDataCache;
   }
 
@@ -53,8 +52,8 @@
     }
   }
 
-  public void printJson(HttpServletRequest req, HttpServletResponse resp,
-      String project) throws IOException, ExecutionException {
+  public void printJson(HttpServletRequest req, HttpServletResponse resp, String project)
+      throws IOException, ExecutionException {
 
     String domainRepoName = req.getParameter("nethash");
 
@@ -68,11 +67,9 @@
     String end = req.getParameter("end");
     if (end != null) endInt = Integer.parseInt(end);
 
-    if ((endInt - startInt) > MAX_COMMIT_CHUNK_LEN)
-      startInt = endInt - MAX_COMMIT_CHUNK_LEN;
+    if ((endInt - startInt) > MAX_COMMIT_CHUNK_LEN) startInt = endInt - MAX_COMMIT_CHUNK_LEN;
 
     Data data = new Data(commits.subList(startInt, endInt + 1));
     returnJsonResponse(resp, data);
   }
-
 }

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/NetworkMetaService.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/NetworkMetaService.java
index 374245e..486cc05 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/NetworkMetaService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/canvas/NetworkMetaService.java

@@ -13,19 +13,17 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork.canvas;
 
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.LinkedList;
-import java.util.List;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import com.googlesource.gerrit.plugins.branchnetwork.data.GitCommitCache;
 import com.googlesource.gerrit.plugins.branchnetwork.data.json.Head;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 @Singleton
 public class NetworkMetaService extends JsonService {
@@ -40,9 +38,7 @@
     this.gitCommitCache = gitCommitCache;
   }
 
-  /**
-   * Beans intended to be used for JSON serialisation
-   */
+  /** Beans intended to be used for JSON serialisation */
   public static class MetaData {
     public List<Block> blocks = new LinkedList<Block>();
     public List<String> dates = new LinkedList<String>();
@@ -81,8 +77,8 @@
     returnRepositoryGraphMetaDataAsJson(req, resp, getProjectName(req));
   }
 
-  public void returnRepositoryGraphMetaDataAsJson(HttpServletRequest req,
-      HttpServletResponse resp, String project) throws IOException {
+  public void returnRepositoryGraphMetaDataAsJson(
+      HttpServletRequest req, HttpServletResponse resp, String project) throws IOException {
 
     MetaData metaData = new MetaData();
 
@@ -95,8 +91,7 @@
     int maxTime = dates.size();
 
     List<Head> heads = gitCommitCache.getHeads(project);
-    metaData.focus =
-        maxTime < COMMITS_FIRST_IN_FOCUS ? 0 : maxTime - COMMITS_FIRST_IN_FOCUS;
+    metaData.focus = maxTime < COMMITS_FIRST_IN_FOCUS ? 0 : maxTime - COMMITS_FIRST_IN_FOCUS;
 
     laneCount = gitCommitCache.getBranchesPlotLanesCount(project);
     metaData.blocks.add(new Block(project, laneCount, 0));
@@ -106,5 +101,4 @@
 
     returnJsonResponse(resp, metaData);
   }
-
 }

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/GitCommitCache.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/GitCommitCache.java
index a8b81b2..1fc8cb0 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/GitCommitCache.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/GitCommitCache.java

@@ -13,22 +13,20 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork.data;
 
-import java.io.IOException;
-import java.text.ParseException;
-import java.util.List;
-
 import com.google.common.cache.CacheLoader;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import com.googlesource.gerrit.plugins.branchnetwork.data.json.Commit;
 import com.googlesource.gerrit.plugins.branchnetwork.data.json.Head;
+import java.io.IOException;
+import java.text.ParseException;
+import java.util.List;
 
 @Singleton
 public class GitCommitCache extends CacheLoader<String, List<Commit>> {
   public static final String GRAPH_DATA_CACHE = "NetworkGraphDataCache";
 
-  @Inject
-  private JGitFacade git;
+  @Inject private JGitFacade git;
 
   public List<Head> getHeads(String project) throws IOException {
     return git.getHeadsForRepository(project);
@@ -46,5 +44,4 @@
   public int getBranchesPlotLanesCount(String project) throws IOException {
     return git.getBranchesPlotLanesCount(project);
   }
-
 }

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/GitCommitCacheRefresh.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/GitCommitCacheRefresh.java
index 6ec6825..546cba1 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/GitCommitCacheRefresh.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/GitCommitCacheRefresh.java

@@ -13,23 +13,22 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork.data;
 
-import java.util.List;
-
 import com.google.common.cache.LoadingCache;
 import com.google.gerrit.extensions.events.GitReferenceUpdatedListener;
 import com.google.gerrit.extensions.events.NewProjectCreatedListener;
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
 import com.googlesource.gerrit.plugins.branchnetwork.data.json.Commit;
+import java.util.List;
 
-public class GitCommitCacheRefresh implements GitReferenceUpdatedListener,
-    NewProjectCreatedListener {
+public class GitCommitCacheRefresh
+    implements GitReferenceUpdatedListener, NewProjectCreatedListener {
   private LoadingCache<String, List<Commit>> networkGraphDataCache;
 
   @Inject
   public GitCommitCacheRefresh(
-      @Named(GitCommitCache.GRAPH_DATA_CACHE) final LoadingCache<String,
-      List<Commit>> networkGraphDataCache) {
+      @Named(GitCommitCache.GRAPH_DATA_CACHE)
+          final LoadingCache<String, List<Commit>> networkGraphDataCache) {
     this.networkGraphDataCache = networkGraphDataCache;
   }
 

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/JGitFacade.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/JGitFacade.java
index f0395b3..70d1091 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/JGitFacade.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/JGitFacade.java

@@ -13,6 +13,13 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork.data;
 
+import com.google.gerrit.reviewdb.client.Project.NameKey;
+import com.google.gerrit.server.git.GitRepositoryManager;
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import com.googlesource.gerrit.plugins.branchnetwork.data.json.Commit;
+import com.googlesource.gerrit.plugins.branchnetwork.data.json.Head;
+import com.googlesource.gerrit.plugins.branchnetwork.data.json.Parent;
 import java.io.IOException;
 import java.text.SimpleDateFormat;
 import java.util.Collections;
@@ -20,7 +27,6 @@
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Ref;
@@ -33,14 +39,6 @@
 import org.eclipse.jgit.revwalk.RevCommitList;
 import org.eclipse.jgit.revwalk.RevSort;
 
-import com.google.gerrit.reviewdb.client.Project.NameKey;
-import com.google.gerrit.server.git.GitRepositoryManager;
-import com.google.inject.Inject;
-import com.google.inject.Singleton;
-import com.googlesource.gerrit.plugins.branchnetwork.data.json.Commit;
-import com.googlesource.gerrit.plugins.branchnetwork.data.json.Head;
-import com.googlesource.gerrit.plugins.branchnetwork.data.json.Parent;
-
 @Singleton
 public class JGitFacade {
   private final GitRepositoryManager repoManager;
@@ -51,8 +49,7 @@
   }
 
   public List<Commit> logData(String repository) throws IOException {
-    final Repository repo =
-        repoManager.openRepository(NameKey.parse(repository));
+    final Repository repo = repoManager.openRepository(NameKey.parse(repository));
     final PlotWalk walk = new PlotWalk(repo);
     try {
 
@@ -151,8 +148,7 @@
   }
 
   private List<Head> getHeadsForRepository(Repository repo) throws IOException {
-    Map<String, Ref> headRefs =
-        repo.getRefDatabase().getRefs(Constants.R_HEADS);
+    Map<String, Ref> headRefs = repo.getRefDatabase().getRefs(Constants.R_HEADS);
 
     List<Head> heads = new LinkedList<Head>();
     for (String headName : headRefs.keySet()) {
@@ -167,7 +163,7 @@
 
   public int getBranchesPlotLanesCount(String repoName) throws IOException {
     try (Repository repo = repoManager.openRepository(NameKey.parse(repoName));
-         PlotWalk walk = new PlotWalk(repo);) {
+        PlotWalk walk = new PlotWalk(repo); ) {
       ObjectId headId = repo.resolve(Constants.HEAD);
       if (headId == null) return 0;
 

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Commit.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Commit.java
index fcd5a16..507e548 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Commit.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Commit.java

@@ -16,89 +16,87 @@
 import java.util.ArrayList;
 import java.util.List;
 
-public class Commit  {
+public class Commit {
 
-    private String author;
-    private List<Parent> parents = new ArrayList<Parent>();
-    private int time;
-    private String date;
-    private String id;
-    private int space;
-    private String email;
-    private String message;
+  private String author;
+  private List<Parent> parents = new ArrayList<Parent>();
+  private int time;
+  private String date;
+  private String id;
+  private int space;
+  private String email;
+  private String message;
 
-    public String getAuthor() {
-        return author;
-    }
+  public String getAuthor() {
+    return author;
+  }
 
-    public List<Parent> getParents() {
-        return parents;
-    }
+  public List<Parent> getParents() {
+    return parents;
+  }
 
-    public int getTime() {
-        return time;
-    }
+  public int getTime() {
+    return time;
+  }
 
-    public String getDate() {
-        return date;
-    }
+  public String getDate() {
+    return date;
+  }
 
-    public String getId() {
-        return id;
-    }
+  public String getId() {
+    return id;
+  }
 
-    public int getSpace() {
-        return space;
-    }
+  public int getSpace() {
+    return space;
+  }
 
-    public String getEmail() {
-        return email;
-    }
+  public String getEmail() {
+    return email;
+  }
 
-    public String getMessage() {
-        return message;
-    }
+  public String getMessage() {
+    return message;
+  }
 
-    public void addParent(Parent parent) {
-        this.parents.add(parent);
-    }
+  public void addParent(Parent parent) {
+    this.parents.add(parent);
+  }
 
+  public void setAuthor(String author) {
+    this.author = author;
+  }
 
-    public void setAuthor(String author) {
-        this.author = author;
-    }
+  public void setParents(List<Parent> parents) {
+    this.parents = parents;
+  }
 
-    public void setParents(List<Parent> parents) {
-        this.parents = parents;
-    }
+  public void setTime(int time) {
+    this.time = time;
+  }
 
-    public void setTime(int time) {
-        this.time = time;
-    }
+  public void setDate(String date) {
+    this.date = date;
+  }
 
-    public void setDate(String date) {
-        this.date = date;
-    }
+  public void setId(String id) {
+    this.id = id;
+  }
 
-    public void setId(String id) {
-        this.id = id;
-    }
+  public void setSpace(int space) {
+    this.space = space;
+  }
 
-    public void setSpace(int space) {
-        this.space = space;
-    }
+  public void setEmail(String email) {
+    this.email = email;
+  }
 
-    public void setEmail(String email) {
-        this.email = email;
-    }
+  public void setMessage(String message) {
+    this.message = message;
+  }
 
-    public void setMessage(String message) {
-        this.message = message;
-    }
-
-    @Override
-    public String toString() {
+  @Override
+  public String toString() {
     return id + " (" + date + ")";
-    }
-
+  }
 }

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Data.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Data.java
index 9185372..376d3e6 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Data.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Data.java

@@ -30,4 +30,4 @@
   public void addCommit(Commit commit) {
     commits.add(commit);
   }
-}
\ No newline at end of file
+}

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Head.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Head.java
index 4b69845..7d18403 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Head.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Head.java

@@ -13,7 +13,7 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.branchnetwork.data.json;
 
-public class Head  {
+public class Head {
 
   private String name;
   private String id;

diff --git a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Parent.java b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Parent.java
index 7a3e59d..8123352 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Parent.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/branchnetwork/data/json/Parent.java

@@ -19,43 +19,41 @@
 
 public class Parent {
 
-    private String id;
+  private String id;
 
-    private int time;
+  private int time;
 
-    private int space;
+  private int space;
 
-    public void setId(String id) {
-        this.id = id;
-    }
+  public void setId(String id) {
+    this.id = id;
+  }
 
-    public String getId() {
-        return id;
-    }
+  public String getId() {
+    return id;
+  }
 
-    public void setTime(int time) {
-        this.time = time;
-    }
+  public void setTime(int time) {
+    this.time = time;
+  }
 
-    public int getTime() {
-        return time;
-    }
+  public int getTime() {
+    return time;
+  }
 
-    public void setSpace(int space) {
-        this.space = space;
-    }
+  public void setSpace(int space) {
+    this.space = space;
+  }
 
-    public int getSpace() {
-        return space;
-    }
+  public int getSpace() {
+    return space;
+  }
 
-    public JsonElement toJson() {
-      JsonArray jsonOut = new JsonArray();
-      jsonOut.add(new JsonPrimitive(id));
-      jsonOut.add(new JsonPrimitive(time));
-      jsonOut.add(new JsonPrimitive(space));
-      return jsonOut;
-    }
-
-
+  public JsonElement toJson() {
+    JsonArray jsonOut = new JsonArray();
+    jsonOut.add(new JsonPrimitive(id));
+    jsonOut.add(new JsonPrimitive(time));
+    jsonOut.add(new JsonPrimitive(space));
+    return jsonOut;
+  }
 }