SNOW-1063844: Force braces for condition and loop bodies

.github/pull_request_template.md

@@ -3,9 +3,10 @@
 SNOW-XXXXX
 
 ## Pre-review self checklist
+- [ ] PR branch is updated with all the changes from `master` branch
 - [ ] The code is correctly formatted (run `mvn -P check-style validate`)
-- [ ] I don't expose unnecessary new public API (run `mvn verify` and inspect `target/japicmp/japicmp.html`)
-- [ ] Pull request name is prefixed with `SNOW-XXXX: `
+- [ ] New public API is not unnecessary exposed (run `mvn verify` and inspect `target/japicmp/japicmp.html`)
+- [ ] The pull request name is prefixed with `SNOW-XXXX: `
 
 ## External contributors - please answer these questions before submitting a pull request. Thanks!
 

README.rst

@@ -151,10 +151,12 @@ You may import the coding style from IntelliJ so that the coding style can be ap
 - In the **File** -> **Settings/Plugins**, and install `google-java-format` plugin.
 - Enable `google-java-format` for the JDBC project.
 - In the source code window, select **Code** -> **Reformat** to apply the coding style.
-- Additionally configure IDE to not use wildcard imports in **File** -> **Ecitor** -> **Code Style** -> **Java** set:
-  - **Use single class import**
-  - **Class count to use import with '*'** to 1000
-  - **Names count to use static import with '*'** to 1000
+- Additionally configure IDE in **File** -> **Editor** -> **Code Style** -> **Java** to
+  - not use wildcard imports (tab **Imports**):
+    - **Use single class import**
+    - **Class count to use import with '*'** to 1000
+    - **Names count to use static import with '*'** to 1000
+  - always use braces in ``if/while/for/do..while`` in (tab **Wrapping and Braces**)
 
 Tests
 =====

pom.xml

@@ -595,6 +595,7 @@
                 <module name="Checker">
                   <module name="TreeWalker">
                     <module name="AvoidStarImport"/>
+                    <module name="NeedBraces"/>
                   </module>
                 </module>
               </checkstyleRules>

src/main/java/net/snowflake/client/config/SFClientConfig.java

@@ -35,8 +35,12 @@ public void setConfigFilePath(String configFilePath) {
 
   @Override
   public boolean equals(Object o) {
-    if (this == o) return true;
-    if (o == null || getClass() != o.getClass()) return false;
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
     SFClientConfig that = (SFClientConfig) o;
     return Objects.equals(commonProps, that.commonProps);
   }
@@ -78,8 +82,12 @@ public void setLogPath(String logPath) {
 
     @Override
     public boolean equals(Object o) {
-      if (this == o) return true;
-      if (o == null || getClass() != o.getClass()) return false;
+      if (this == o) {
+        return true;
+      }
+      if (o == null || getClass() != o.getClass()) {
+        return false;
+      }
       CommonProps that = (CommonProps) o;
       return Objects.equals(logLevel, that.logLevel) && Objects.equals(logPath, that.logPath);
     }

src/main/java/net/snowflake/client/core/ExecTimeTelemetryData.java

@@ -48,92 +48,128 @@ public ExecTimeTelemetryData() {
   }
 
   public void setBindStart() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.bindStart = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setOCSPStatus(Boolean ocspEnabled) {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.ocspEnabled = ocspEnabled;
   }
 
   public void setBindEnd() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.bindEnd = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setHttpClientStart() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.httpClientStart = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setHttpClientEnd() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.httpClientEnd = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setGzipStart() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.gzipStart = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setGzipEnd() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.gzipEnd = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setQueryEnd() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.queryEnd = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setQueryId(String queryId) {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.queryId = queryId;
   }
 
   public void setProcessResultChunkStart() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.processResultChunkStart = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setProcessResultChunkEnd() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.processResultChunkEnd = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setResponseIOStreamStart() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.responseIOStreamStart = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setResponseIOStreamEnd() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.responseIOStreamEnd = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setCreateResultSetStart() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.createResultSetStart = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void setCreateResultSetEnd() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.createResultSetEnd = SnowflakeUtil.getEpochTimeInMicroSeconds();
   }
 
   public void incrementRetryCount() {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.retryCount++;
   }
 
   public void setRequestId(String requestId) {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     this.requestId = requestId;
   }
 
   public void addRetryLocation(String location) {
-    if (!this.sendData) return;
+    if (!this.sendData) {
+      return;
+    }
     if (Strings.isNullOrEmpty(this.retryLocations)) {
       this.retryLocations = location;
     } else {

src/main/java/net/snowflake/client/core/QueryContextCache.java

@@ -340,7 +340,9 @@ public QueryContextDTO serializeQueryContextDTO() {
       logCacheEntries();
 
       TreeSet<QueryContextElement> elements = getElements();
-      if (elements.size() == 0) return null;
+      if (elements.size() == 0) {
+        return null;
+      }
 
       try {
         QueryContextDTO queryContextDTO = new QueryContextDTO();

src/main/java/net/snowflake/client/core/ResultUtil.java

@@ -411,8 +411,9 @@ public static long calculateUpdateCount(SFBaseResultSet resultSet)
             || statementType == SFStatementType.MERGE
             || statementType == SFStatementType.MULTI_INSERT) {
           int columnCount = resultSet.getMetaData().getColumnCount();
-          for (int i = 0; i < columnCount; i++)
+          for (int i = 0; i < columnCount; i++) {
             updateCount += resultSet.getLong(i + 1); // add up number of rows updated
+          }
         } else {
           updateCount = 0;
         }

src/main/java/net/snowflake/client/core/SFSession.java

@@ -683,8 +683,11 @@ public synchronized void open() throws SFException, SnowflakeSQLException {
         "Query context cache is {}", ((disableQueryContextCache) ? "disabled" : "enabled"));
 
     // Initialize QCC
-    if (!disableQueryContextCache) qcc = new QueryContextCache(this.getQueryContextCacheSize());
-    else qcc = null;
+    if (!disableQueryContextCache) {
+      qcc = new QueryContextCache(this.getQueryContextCacheSize());
+    } else {
+      qcc = null;
+    }
 
     // start heartbeat for this session so that the master token will not expire
     startHeartbeatForThisSession();
@@ -814,7 +817,9 @@ public void close() throws SFException, SnowflakeSQLException {
     getClientInfo().clear();
 
     // qcc can be null, if disabled.
-    if (qcc != null) qcc.clearCache();
+    if (qcc != null) {
+      qcc.clearCache();
+    }
 
     isClosed = true;
   }

src/main/java/net/snowflake/client/core/SessionUtil.java

@@ -475,9 +475,11 @@ private static SFLoginOutput newSession(
         // Fix for HikariCP refresh token issue:SNOW-533673.
         // If token value is not set but password field is set then
         // the driver treats password as token.
-        if (loginInput.getToken() != null)
+        if (loginInput.getToken() != null) {
           data.put(ClientAuthnParameter.TOKEN.name(), loginInput.getToken());
-        else data.put(ClientAuthnParameter.TOKEN.name(), loginInput.getPassword());
+        } else {
+          data.put(ClientAuthnParameter.TOKEN.name(), loginInput.getPassword());
+        }
 
       } else if (authenticatorType == ClientAuthnDTO.AuthenticatorType.SNOWFLAKE_JWT) {
         data.put(ClientAuthnParameter.AUTHENTICATOR.name(), authenticatorType.name());

src/main/java/net/snowflake/client/core/UUIDUtils.java

@@ -24,8 +24,12 @@ private static UUID UUIDImpl() {
 
     long msb = 0;
     long lsb = 0;
-    for (int i = 0; i < 8; i++) msb = (msb << 8) | (randomBytes[i] & 0xff);
-    for (int i = 8; i < 16; i++) lsb = (lsb << 8) | (randomBytes[i] & 0xff);
+    for (int i = 0; i < 8; i++) {
+      msb = (msb << 8) | (randomBytes[i] & 0xff);
+    }
+    for (int i = 8; i < 16; i++) {
+      lsb = (lsb << 8) | (randomBytes[i] & 0xff);
+    }
 
     return new UUID(msb, lsb);
   }

src/main/java/net/snowflake/client/jdbc/SnowflakePreparedStatementV1.java

@@ -903,10 +903,14 @@ VariableTypeArray executeBatchInternalWithArrayBind(boolean isLong) throws SQLEx
         if (updateCount == batchSize) {
           if (isLong) {
             updateCounts = new VariableTypeArray(null, new long[updateCount]);
-            for (int idx = 0; idx < updateCount; idx++) updateCounts.longArr[idx] = 1;
+            for (int idx = 0; idx < updateCount; idx++) {
+              updateCounts.longArr[idx] = 1;
+            }
           } else {
             updateCounts = new VariableTypeArray(new int[updateCount], null);
-            for (int idx = 0; idx < updateCount; idx++) updateCounts.intArr[idx] = 1;
+            for (int idx = 0; idx < updateCount; idx++) {
+              updateCounts.intArr[idx] = 1;
+            }
           }
         } else {
           if (isLong) {

src/main/java/net/snowflake/client/jdbc/cloud/storage/SnowflakeAzureClient.java

@@ -536,7 +536,9 @@ public void upload(
         blob.uploadMetadata(null, transferOptions, opContext);
 
         // close any open streams in the "toClose" list and return
-        for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
+        for (FileInputStream is : toClose) {
+          IOUtils.closeQuietly(is);
+        }
 
         return;
       } catch (Exception ex) {
@@ -566,7 +568,9 @@ public void upload(
 
     } while (retryCount <= getMaxRetries());
 
-    for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
+    for (FileInputStream is : toClose) {
+      IOUtils.closeQuietly(is);
+    }
 
     throw new SnowflakeSQLException(
         queryId,

src/main/java/net/snowflake/client/jdbc/cloud/storage/SnowflakeGCSClient.java

@@ -694,7 +694,9 @@ public void upload(
       logger.debug("Upload successful", false);
 
       // close any open streams in the "toClose" list and return
-      for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
+      for (FileInputStream is : toClose) {
+        IOUtils.closeQuietly(is);
+      }
 
       return;
     }
@@ -716,7 +718,9 @@ public void upload(
         logger.debug("Upload successful", false);
 
         // close any open streams in the "toClose" list and return
-        for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
+        for (FileInputStream is : toClose) {
+          IOUtils.closeQuietly(is);
+        }
 
         return;
       } catch (Exception ex) {
@@ -747,7 +751,9 @@ public void upload(
 
     } while (retryCount <= getMaxRetries());
 
-    for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
+    for (FileInputStream is : toClose) {
+      IOUtils.closeQuietly(is);
+    }
 
     throw new SnowflakeSQLLoggedException(
         queryId,

src/main/java/net/snowflake/client/jdbc/cloud/storage/SnowflakeS3Client.java

@@ -578,7 +578,9 @@ public ExecutorService newExecutor() {
         myUpload.waitForCompletion();
 
         // get out
-        for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
+        for (FileInputStream is : toClose) {
+          IOUtils.closeQuietly(is);
+        }
         return;
       } catch (Exception ex) {
 
@@ -610,7 +612,9 @@ public ExecutorService newExecutor() {
       }
     } while (retryCount <= getMaxRetries());
 
-    for (FileInputStream is : toClose) IOUtils.closeQuietly(is);
+    for (FileInputStream is : toClose) {
+      IOUtils.closeQuietly(is);
+    }
 
     throw new SnowflakeSQLLoggedException(
         queryId,

src/test/java/net/snowflake/client/jdbc/DatabaseMetaDataInternalLatestIT.java

@@ -268,7 +268,9 @@ public void testGetTablesRaceCondition()
                 }));
       }
       executorService.shutdown();
-      for (int i = 0; i < 10; i++) futures.get(i).get();
+      for (int i = 0; i < 10; i++) {
+        futures.get(i).get();
+      }
     }
   }
 }