Run mvn spotless:apply

Author: Fokko

parquet-hadoop/src/main/java/org/apache/parquet/format/converter/ParquetMetadataConverter.java

@@ -761,7 +761,7 @@ public EncodingStats convertEncodingStats(List<PageEncodingStats> stats) {
       switch (stat.getPage_type()) {
         case DATA_PAGE_V2:
           builder.withV2Pages();
-          // falls through
+        // falls through
         case DATA_PAGE:
           builder.addDataEncoding(getEncoding(stat.getEncoding()), stat.getCount());
           break;

parquet-hadoop/src/main/java/org/apache/parquet/hadoop/CodecFactory.java

@@ -323,7 +323,7 @@ private String cacheKey(CompressionCodecName codecName) {
         level = conf.get("parquet.compression.codec.zstd.level");
         break;
       default:
-        // compression level is not supported; ignore it
+      // compression level is not supported; ignore it
     }
     String codecClass = codecName.getHadoopCompressionCodecClassName();
     return level == null ? codecClass : codecClass + ":" + level;

parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ColumnIndexValidator.java

@@ -546,7 +546,7 @@ private void validateBoundaryOrder(
               prevMaxValue::toString);
           break;
         case UNORDERED:
-          // No checks necessary.
+        // No checks necessary.
       }
     }
   }

parquet-hadoop/src/main/java/org/apache/parquet/hadoop/DirectCodecFactory.java

@@ -103,8 +103,8 @@ protected BytesCompressor createCompressor(final CompressionCodecName codecName)
         return new SnappyCompressor();
       case ZSTD:
         return new ZstdCompressor();
-        // todo: create class similar to the SnappyCompressor for zlib and exclude it as
-        // snappy is above since it also generates allocateDirect calls.
+      // todo: create class similar to the SnappyCompressor for zlib and exclude it as
+      // snappy is above since it also generates allocateDirect calls.
       default:
         return super.createCompressor(codecName);
     }

parquet-jackson/src/main/java/org/apache/parquet/jackson/ParquetJackson.java

@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.parquet.jackson;
+
+/**
+ * Apache Parquet Jackson module placeholder class.
+ *
+ * <p>This module provides shaded Jackson dependencies for use by other Parquet modules.
+ * All Jackson classes are relocated under the {@code parquet.com.fasterxml.jackson.core} namespace.
+ *
+ * <p>This class exists solely to enable javadoc generation for this module.
+ * The actual functionality is provided by shaded Jackson classes.
+ *
+ * @see <a href="https://github.com/FasterXML/jackson/">Jackson</a>
+ */
+public final class ParquetJackson {
+  private ParquetJackson() {
+    // Utility class - prevent instantiation
+  }
+}

parquet-jackson/src/main/java/org/apache/parquet/jackson/package-info.java

@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+/**
+ * Apache Parquet Jackson module.
+ *
+ * <p>This module provides shaded Jackson dependencies for use by other Parquet modules.
+ * It contains no public API classes - all classes are shaded from Jackson libraries.
+ *
+ * @see <a href="https://github.com/FasterXML/jackson/">Jackson</a>
+ */
+package org.apache.parquet.jackson;

parquet-thrift/src/main/java/org/apache/parquet/thrift/BufferedProtocolReadToWrite.java

@@ -226,7 +226,7 @@ private boolean readOneValue(TProtocol in, byte type, List<Action> buffer, Thrif
         writeShortAction(buffer, s);
         break;
       case TType.ENUM: // same as i32 => actually never seen in the protocol layer as enums are written as a i32
-        // field
+      // field
       case TType.I32:
         final int i = in.readI32();
         checkEnum(expectedType, i);

parquet-thrift/src/main/java/org/apache/parquet/thrift/ProtocolReadToWrite.java

@@ -74,7 +74,7 @@ void readOneValue(TProtocol in, TProtocol out, byte type) throws TException {
         out.writeI16(in.readI16());
         break;
       case TType.ENUM: // same as i32 => actually never seen in the protocol layer as enums are written as a i32
-        // field
+      // field
       case TType.I32:
         out.writeI32(in.readI32());
         break;