Fix some warnings raised by CheckStyle

- Change ordering of 'static', 'final', etc modifiers according to
  the order suggested by JLS.

- Add comments in empty catch blocks for intentionally ignored
  exceptions.

- Add curly braces around if-else blocks.

- Move `catch` to same line as closing brace of preceding `try`
  blocks.

- Wrap long lines.

Note that this change does not fix all instances of the above errors
across the entire code base.

Change-Id: I24bb9649cc5013c249fa5d84e05322a5cdf2ace6

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/ConfigAnnotationParser.java

@@ -42,7 +42,7 @@ class ConfigAnnotationParser {
     return cfg;
   }
 
-  static private void parseAnnotation(Config cfg, GerritConfig c) {
+  private static void parseAnnotation(Config cfg, GerritConfig c) {
     ArrayList<String> l = Lists.newArrayList(splitter.split(c.name()));
     if (l.size() == 2) {
       cfg.setString(l.get(0), null, l.get(1), c.value());

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/edit/ChangeEditIT.java

@@ -77,13 +77,13 @@ import java.util.concurrent.atomic.AtomicLong;
 
 public class ChangeEditIT extends AbstractDaemonTest {
 
-  private final static String FILE_NAME = "foo";
-  private final static String FILE_NAME2 = "foo2";
-  private final static String FILE_NAME3 = "foo3";
-  private final static byte[] CONTENT_OLD = "bar".getBytes(UTF_8);
-  private final static byte[] CONTENT_NEW = "baz".getBytes(UTF_8);
-  private final static String CONTENT_NEW2_STR = "quxÄÜÖßµ";
-  private final static byte[] CONTENT_NEW2 = CONTENT_NEW2_STR.getBytes(UTF_8);
+  private static final String FILE_NAME = "foo";
+  private static final String FILE_NAME2 = "foo2";
+  private static final String FILE_NAME3 = "foo3";
+  private static final byte[] CONTENT_OLD = "bar".getBytes(UTF_8);
+  private static final byte[] CONTENT_NEW = "baz".getBytes(UTF_8);
+  private static final String CONTENT_NEW2_STR = "quxÄÜÖßµ";
+  private static final byte[] CONTENT_NEW2 = CONTENT_NEW2_STR.getBytes(UTF_8);
 
   @Inject
   private SchemaFactory<ReviewDb> reviewDbProvider;

gerrit-common/src/main/java/com/google/gerrit/common/IoUtil.java

@@ -46,6 +46,7 @@ public final class IoUtil {
           try {
             src.close();
           } catch (IOException e2) {
+            // Ignore
           }
         }
       }

gerrit-common/src/main/java/com/google/gerrit/common/data/ParameterizedString.java

@@ -145,7 +145,7 @@ public class ParameterizedString {
     }
   }
 
-  private static abstract class Format {
+  private abstract static class Format {
     abstract void format(StringBuilder b, Map<String, String> p);
   }
 
@@ -200,7 +200,7 @@ public class ParameterizedString {
     }
   }
 
-  private static abstract class Function {
+  private abstract static class Function {
     abstract String apply(String a);
   }
 

gerrit-common/src/main/java/com/google/gerrit/common/data/PermissionRule.java

@@ -182,10 +182,14 @@ public class PermissionRule implements Comparable<PermissionRule> {
     }
 
     if (canUseRange && (getMin() != 0 || getMax() != 0)) {
-      if (0 <= getMin()) r.append('+');
+      if (0 <= getMin()) {
+        r.append('+');
+      }
       r.append(getMin());
       r.append("..");
-      if (0 <= getMax()) r.append('+');
+      if (0 <= getMax()) {
+        r.append('+');
+      }
       r.append(getMax());
       r.append(' ');
     }

gerrit-extension-api/src/main/java/com/google/gerrit/extensions/webui/WebLink.java

@@ -28,18 +28,18 @@ public interface WebLink {
     /**
      * Opens the link in a new window or tab
      */
-    public final static String BLANK = "_blank";
+    public static final String BLANK = "_blank";
     /**
      * Opens the link in the frame it was clicked.
      */
-    public final static String SELF = "_self";
+    public static final String SELF = "_self";
     /**
      * Opens link in parent frame.
      */
-    public final static String PARENT = "_parent";
+    public static final String PARENT = "_parent";
     /**
      * Opens link in the full body of the window.
      */
-    public final static String TOP = "_top";
+    public static final String TOP = "_top";
   }
 }

gerrit-gwtexpui/src/main/java/com/google/gwtexpui/safehtml/client/SafeHtmlBuilder.java

@@ -402,7 +402,7 @@ public class SafeHtmlBuilder extends SafeHtml {
     return isElementName(name);
   }
 
-  private static abstract class Impl {
+  private abstract static class Impl {
     abstract void escapeStr(SafeHtmlBuilder b, String in);
   }
 

gerrit-gwtui/src/main/java/com/google/gerrit/client/Dispatcher.java

@@ -895,7 +895,7 @@ public class Dispatcher {
     return token.substring(prefixlen);
   }
 
-  private static abstract class AsyncSplit implements RunAsyncCallback {
+  private abstract static class AsyncSplit implements RunAsyncCallback {
     private final boolean isReloadUi;
     protected final String token;
 

gerrit-gwtui/src/main/java/com/google/gerrit/client/account/AccountInfo.java

@@ -56,7 +56,7 @@ public class AccountInfo extends JavaScriptObject {
   }
 
   public static class AvatarInfo extends JavaScriptObject {
-    public final static int DEFAULT_SIZE = 26;
+    public static final int DEFAULT_SIZE = 26;
     public final native String url() /*-{ return this.url }-*/;
     public final native int height() /*-{ return this.height || 0 }-*/;
     public final native int width() /*-{ return this.width || 0 }-*/;

gerrit-launcher/src/main/java/com/google/gerrit/launcher/GerritLauncher.java

@@ -294,8 +294,8 @@ public final class GerritLauncher {
     return name;
   }
 
-  private volatile static File myArchive;
-  private volatile static File myHome;
+  private static volatile File myArchive;
+  private static volatile File myHome;
 
   /**
    * Locate the JAR/WAR file we were launched from.

gerrit-plugin-gwtui/src/main/java/com/google/gerrit/plugin/client/Plugin.java

@@ -96,7 +96,7 @@ public final class Plugin extends JavaScriptObject {
 
   native void _initialized() /*-{ this._success = true }-*/;
   native void _loaded() /*-{ this._loadedGwt() }-*/;
-  private static native final Plugin install(String u)
+  private static final native Plugin install(String u)
   /*-{ return $wnd.Gerrit.installGwt(u) }-*/;
 
   private static final native JavaScriptObject wrap(Screen.EntryPoint b) /*-{

gerrit-plugin-gwtui/src/main/java/com/google/gerrit/plugin/client/rpc/RestApi.java

@@ -109,7 +109,7 @@ public class RestApi {
     get(NativeString.unwrap(cb));
   }
 
-  private native static void get(String p, JavaScriptObject r)
+  private static native void get(String p, JavaScriptObject r)
   /*-{ $wnd.Gerrit.get(p, r) }-*/;
 
   public <T extends JavaScriptObject>
@@ -117,7 +117,7 @@ public class RestApi {
     put(path(), wrap(cb));
   }
 
-  private native static void put(String p, JavaScriptObject r)
+  private static native void put(String p, JavaScriptObject r)
   /*-{ $wnd.Gerrit.put(p, r) }-*/;
 
   public <T extends JavaScriptObject>
@@ -125,7 +125,7 @@ public class RestApi {
     put(path(), content, wrap(cb));
   }
 
-  private native static
+  private static native
   void put(String p, String c, JavaScriptObject r)
   /*-{ $wnd.Gerrit.put(p, c, r) }-*/;
 
@@ -134,7 +134,7 @@ public class RestApi {
     put(path(), content, wrap(cb));
   }
 
-  private native static
+  private static native
   void put(String p, JavaScriptObject c, JavaScriptObject r)
   /*-{ $wnd.Gerrit.put(p, c, r) }-*/;
 
@@ -143,7 +143,7 @@ public class RestApi {
     post(path(), content, wrap(cb));
   }
 
-  private native static
+  private static native
   void post(String p, String c, JavaScriptObject r)
   /*-{ $wnd.Gerrit.post(p, c, r) }-*/;
 
@@ -152,7 +152,7 @@ public class RestApi {
     post(path(), content, wrap(cb));
   }
 
-  private native static
+  private static native
   void post(String p, JavaScriptObject c, JavaScriptObject r)
   /*-{ $wnd.Gerrit.post(p, c, r) }-*/;
 
@@ -160,10 +160,10 @@ public class RestApi {
     delete(path(), wrap(cb));
   }
 
-  private native static void delete(String p, JavaScriptObject r)
+  private static native void delete(String p, JavaScriptObject r)
   /*-{ $wnd.Gerrit.del(p, r) }-*/;
 
-  private native static <T extends JavaScriptObject>
+  private static native <T extends JavaScriptObject>
   JavaScriptObject wrap(AsyncCallback<T> b) /*-{
     return function(r) {
       b.@com.google.gwt.user.client.rpc.AsyncCallback::onSuccess(Ljava/lang/Object;)(r)

gerrit-prettify/src/main/java/com/google/gerrit/prettify/client/PrettyFormatter.java

@@ -28,7 +28,7 @@ import java.util.List;
 import java.util.Set;
 
 public abstract class PrettyFormatter implements SparseHtmlFile {
-  public static abstract class EditFilter {
+  public abstract static class EditFilter {
     abstract String getStyleName();
 
     abstract int getBegin(Edit edit);

gerrit-server/src/main/java/com/google/gerrit/common/ChangeHookRunner.java

@@ -924,8 +924,7 @@ public class ChangeHookRunner implements ChangeHooks, LifecycleListener {
           while ((line = br.readLine()) != null) {
             log.info("hook[" + getName() + "] output: " + line);
           }
-        }
-        catch(IOException  iox) {
+        } catch (IOException iox) {
           log.error("Error writing hook output", iox);
         }
       }

gerrit-server/src/main/java/com/google/gerrit/server/args4j/TimestampHandler.java

@@ -31,7 +31,7 @@ import java.text.SimpleDateFormat;
 import java.util.TimeZone;
 
 public class TimestampHandler extends OptionHandler<Timestamp> {
-  public final static String TIMESTAMP_FORMAT = "yyyyMMdd_HHmm";
+  public static final String TIMESTAMP_FORMAT = "yyyyMMdd_HHmm";
 
   @Inject
   public TimestampHandler(@Assisted CmdLineParser parser,

gerrit-server/src/main/java/com/google/gerrit/server/change/ConsistencyChecker.java

@@ -72,7 +72,7 @@ public class ConsistencyChecker {
       LoggerFactory.getLogger(ConsistencyChecker.class);
 
   @AutoValue
-  public static abstract class Result {
+  public abstract static class Result {
     private static Result create(Change.Id id, List<ProblemInfo> problems) {
       return new AutoValue_ConsistencyChecker_Result(id, null, problems);
     }

gerrit-server/src/main/java/com/google/gerrit/server/change/GetDiff.java

@@ -70,7 +70,7 @@ import java.util.List;
 import java.util.concurrent.TimeUnit;
 
 public class GetDiff implements RestReadView<FileResource> {
-  private final static ImmutableMap<Patch.ChangeType, ChangeType> CHANGE_TYPE =
+  private static final ImmutableMap<Patch.ChangeType, ChangeType> CHANGE_TYPE =
       Maps.immutableEnumMap(
           new ImmutableMap.Builder<Patch.ChangeType, ChangeType>()
               .put(Patch.ChangeType.ADDED, ChangeType.ADDED)
@@ -339,11 +339,13 @@ public class GetDiff implements RestReadView<FileResource> {
         int lastB = 0;
         for (Edit edit : internalEdit) {
           if (edit.getBeginA() != edit.getEndA()) {
-            e.editA.add(ImmutableList.of(edit.getBeginA() - lastA, edit.getEndA() - edit.getBeginA()));
+            e.editA.add(ImmutableList.of(
+                edit.getBeginA() - lastA, edit.getEndA() - edit.getBeginA()));
             lastA = edit.getEndA();
           }
           if (edit.getBeginB() != edit.getEndB()) {
-            e.editB.add(ImmutableList.of(edit.getBeginB() - lastB, edit.getEndB() - edit.getBeginB()));
+            e.editB.add(ImmutableList.of(
+                edit.getBeginB() - lastB, edit.getEndB() - edit.getBeginB()));
             lastB = edit.getEndB();
           }
         }

gerrit-server/src/main/java/com/google/gerrit/server/change/ReviewerSuggestionCache.java

@@ -34,8 +34,10 @@ import java.util.List;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 /**
- * The suggest oracle may be called many times in rapid succession during the course of one operation.
- * It would be easy to have a simple Cache<Boolean, List<Account>> with a short expiration time of 30s.
+ * The suggest oracle may be called many times in rapid succession during the
+ * course of one operation.
+ * It would be easy to have a simple Cache<Boolean, List<Account>> with a short
+ * expiration time of 30s.
  * Cache only has a single key we're just using Cache for the expiration behavior.
  */
 @Singleton

gerrit-server/src/main/java/com/google/gerrit/server/change/Submit.java

@@ -537,17 +537,23 @@ public class Submit implements RestModifyView<RevisionResource, SubmitInput>,
                 continue;
 
               case REJECT:
-                if (msg.length() > 0) msg.append("; ");
+                if (msg.length() > 0) {
+                  msg.append("; ");
+                }
                 msg.append("blocked by ").append(lbl.label);
                 continue;
 
               case NEED:
-                if (msg.length() > 0) msg.append("; ");
+                if (msg.length() > 0) {
+                  msg.append("; ");
+                }
                 msg.append("needs ").append(lbl.label);
                 continue;
 
               case IMPOSSIBLE:
-                if (msg.length() > 0) msg.append("; ");
+                if (msg.length() > 0) {
+                  msg.append("; ");
+                }
                 msg.append("needs ").append(lbl.label)
                    .append(" (check project access)");
                 continue;

gerrit-server/src/main/java/com/google/gerrit/server/config/SitePaths.java

@@ -100,12 +100,13 @@ public final class SitePaths {
 
     if (site_path.exists()) {
       final String[] contents = site_path.list();
-      if (contents != null)
+      if (contents != null) {
         isNew = contents.length == 0;
-      else if (site_path.isDirectory())
+      } else if (site_path.isDirectory()) {
         throw new FileNotFoundException("Cannot access " + site_path);
-      else
+      } else {
         throw new FileNotFoundException("Not a directory: " + site_path);
+      }
     } else {
       isNew = true;
     }

gerrit-server/src/main/java/com/google/gerrit/server/index/FieldDef.java

@@ -32,7 +32,7 @@ import org.eclipse.jgit.lib.Config;
  */
 public abstract class FieldDef<I, T> {
   /** Definition of a single (non-repeatable) field. */
-  public static abstract class Single<I, T> extends FieldDef<I, T> {
+  public abstract static class Single<I, T> extends FieldDef<I, T> {
     Single(String name, FieldType<T> type, boolean stored) {
       super(name, type, stored);
     }
@@ -44,7 +44,7 @@ public abstract class FieldDef<I, T> {
   }
 
   /** Definition of a repeatable field. */
-  public static abstract class Repeatable<I, T>
+  public abstract static class Repeatable<I, T>
       extends FieldDef<I, Iterable<T>> {
     Repeatable(String name, FieldType<T> type, boolean stored) {
       super(name, type, stored);

gerrit-server/src/main/java/com/google/gerrit/server/notedb/AbstractChangeUpdate.java

@@ -182,12 +182,12 @@ public abstract class AbstractChangeUpdate extends VersionedMetaData {
   }
 
   /** Writes commit to a BatchMetaDataUpdate without committing the batch. */
-  abstract public void writeCommit(BatchMetaDataUpdate batch)
+  public abstract void writeCommit(BatchMetaDataUpdate batch)
       throws OrmException, IOException;
 
   /**
    * @return the NameKey for the project where the update will be stored,
    *    which is not necessarily the same as the change's project.
    */
-  abstract protected Project.NameKey getProjectName();
+  protected abstract Project.NameKey getProjectName();
 }

gerrit-server/src/main/java/com/google/gerrit/server/notedb/ChangeRebuilder.java

@@ -220,7 +220,7 @@ public class ChangeRebuilder {
         && event.psId.equals(update.getPatchSetId());
   }
 
-  private static abstract class Event implements Comparable<Event> {
+  private abstract static class Event implements Comparable<Event> {
     final PatchSet.Id psId;
     final Account.Id who;
     final Timestamp when;

gerrit-server/src/main/java/com/google/gerrit/server/patch/IntraLineLoader.java

@@ -178,10 +178,11 @@ class IntraLineLoader extends CacheLoader<IntraLineDiffKey, IntraLineDiff> {
               int nb = lf + 1;
               int p = 0;
               while (p < ae - ab) {
-                if (cmp.equals(a, ab + p, a, ab + p))
+                if (cmp.equals(a, ab + p, a, ab + p)) {
                   p++;
-                else
+                } else {
                   break;
+                }
               }
               if (p == ae - ab) {
                 ab = nb;
@@ -214,10 +215,11 @@ class IntraLineLoader extends CacheLoader<IntraLineDiffKey, IntraLineDiff> {
               int nb = lf + 1;
               int p = 0;
               while (p < be - bb) {
-                if (cmp.equals(b, bb + p, b, bb + p))
+                if (cmp.equals(b, bb + p, b, bb + p)) {
                   p++;
-                else
+                } else {
                   break;
+                }
               }
               if (p == be - bb) {
                 bb = nb;

gerrit-server/src/main/java/com/google/gerrit/server/patch/PatchList.java

@@ -150,12 +150,13 @@ public class PatchList implements Serializable {
     while (low < high) {
       final int mid = (low + high) >>> 1;
       final int cmp = patches[mid].getNewName().compareTo(fileName);
-      if (cmp < 0)
+      if (cmp < 0) {
         low = mid + 1;
-      else if (cmp == 0)
+      } else if (cmp == 0) {
         return mid;
-      else
+      } else {
         high = mid;
+      }
     }
     return -(low + 1);
   }

gerrit-server/src/main/java/com/google/gerrit/server/plugins/JarScanner.java

@@ -264,7 +264,7 @@ public class JarScanner implements PluginContentScanner {
     }
   }
 
-  private static abstract class AbstractAnnotationVisitor extends
+  private abstract static class AbstractAnnotationVisitor extends
       AnnotationVisitor {
     AbstractAnnotationVisitor() {
       super(Opcodes.ASM4);

gerrit-server/src/main/java/com/google/gerrit/server/plugins/PluginLoader.java

@@ -214,7 +214,7 @@ public class PluginLoader implements LifecycleListener {
     }
   }
 
-  synchronized private void unloadPlugin(Plugin plugin) {
+  private synchronized void unloadPlugin(Plugin plugin) {
     persistentCacheFactory.onStop(plugin);
     String name = plugin.getName();
     log.info(String.format("Unloading plugin %s", name));

gerrit-server/src/main/java/com/google/gerrit/server/project/CommentLinkInfo.java

@@ -47,7 +47,7 @@ public class CommentLinkInfo {
   public final String html;
   public final Boolean enabled; // null means true
 
-  public transient final String name;
+  public final transient String name;
 
   public CommentLinkInfo(String name, String match, String link, String html,
       Boolean enabled) {

gerrit-server/src/main/java/com/google/gerrit/server/project/SectionSortCache.java

@@ -119,7 +119,7 @@ public class SectionSortCache {
   }
 
   @AutoValue
-  static abstract class EntryKey {
+  abstract static class EntryKey {
     public abstract String ref();
     public abstract List<String> patterns();
     public abstract int cachedHashCode();

gerrit-server/src/main/java/com/google/gerrit/server/query/AndPredicate.java

@@ -92,8 +92,9 @@ public class AndPredicate<T> extends Predicate<T> {
 
   @Override
   public boolean equals(final Object other) {
-    if (other == null)
+    if (other == null) {
       return false;
+    }
     return getClass() == other.getClass()
         && getChildren().equals(((Predicate<?>) other).getChildren());
   }

gerrit-server/src/main/java/com/google/gerrit/server/query/change/ConflictsCacheImpl.java

@@ -23,7 +23,7 @@ import com.google.inject.name.Named;
 
 @Singleton
 public class ConflictsCacheImpl implements ConflictsCache {
-  public final static String NAME = "conflicts";
+  public static final String NAME = "conflicts";
 
   public static Module module() {
     return new CacheModule() {

gerrit-server/src/test/java/com/google/gerrit/server/ioutil/BasicSerializationTest.java

@@ -137,8 +137,9 @@ public class BasicSerializationTest {
   private static void assertOutput(final byte[] expect,
       final ByteArrayOutputStream out) {
     final byte[] buf = out.toByteArray();
-    for (int i = 0; i < expect.length; i++)
+    for (int i = 0; i < expect.length; i++) {
       assertEquals(expect[i], buf[i]);
+    }
   }
 
   private static InputStream r(final byte[] buf) {

gerrit-server/src/test/java/com/google/gerrit/testutil/TempFileUtil.java

@@ -22,7 +22,7 @@ import java.util.List;
 public class TempFileUtil {
   private static List<File> allDirsCreated = new ArrayList<>();
 
-  public synchronized static File createTempDirectory() throws IOException {
+  public static synchronized File createTempDirectory() throws IOException {
     File tmp = File.createTempFile("gerrit_test_", "").getCanonicalFile();
     if (!tmp.delete() || !tmp.mkdir()) {
       throw new IOException("Cannot create " + tmp.getPath());

gerrit-sshd/src/main/java/com/google/gerrit/sshd/CommandFactoryProvider.java

@@ -253,7 +253,7 @@ class CommandFactoryProvider implements Provider<CommandFactory>,
   }
 
   /** Split a command line into a string array. */
-  static public String[] split(String commandLine) {
+  public static String[] split(String commandLine) {
     final List<String> list = new ArrayList<>();
     boolean inquote = false;
     boolean inDblQuote = false;

gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/QueryShell.java

@@ -709,7 +709,7 @@ public class QueryShell {
     print(help.toString());
   }
 
-  private static abstract class Function {
+  private abstract static class Function {
     final String name;
 
     Function(final String name) {