1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* 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.spark.sql.execution.datasources.json
import com.fasterxml.jackson.core.{JsonFactory, JsonParser}
import org.apache.spark.internal.Logging
import org.apache.spark.sql.execution.datasources.{CompressionCodecs, ParseModes}
/**
* Options for the JSON data source.
*
* Most of these map directly to Jackson's internal options, specified in [[JsonParser.Feature]].
*/
private[sql] class JSONOptions(
@transient private val parameters: Map[String, String])
extends Logging with Serializable {
val samplingRatio =
parameters.get("samplingRatio").map(_.toDouble).getOrElse(1.0)
val primitivesAsString =
parameters.get("primitivesAsString").map(_.toBoolean).getOrElse(false)
val floatAsBigDecimal =
parameters.get("floatAsBigDecimal").map(_.toBoolean).getOrElse(false)
val allowComments =
parameters.get("allowComments").map(_.toBoolean).getOrElse(false)
val allowUnquotedFieldNames =
parameters.get("allowUnquotedFieldNames").map(_.toBoolean).getOrElse(false)
val allowSingleQuotes =
parameters.get("allowSingleQuotes").map(_.toBoolean).getOrElse(true)
val allowNumericLeadingZeros =
parameters.get("allowNumericLeadingZeros").map(_.toBoolean).getOrElse(false)
val allowNonNumericNumbers =
parameters.get("allowNonNumericNumbers").map(_.toBoolean).getOrElse(true)
val allowBackslashEscapingAnyCharacter =
parameters.get("allowBackslashEscapingAnyCharacter").map(_.toBoolean).getOrElse(false)
val compressionCodec = parameters.get("compression").map(CompressionCodecs.getCodecClassName)
private val parseMode = parameters.getOrElse("mode", "PERMISSIVE")
val columnNameOfCorruptRecord = parameters.get("columnNameOfCorruptRecord")
// Parse mode flags
if (!ParseModes.isValidMode(parseMode)) {
logWarning(s"$parseMode is not a valid parse mode. Using ${ParseModes.DEFAULT}.")
}
val failFast = ParseModes.isFailFastMode(parseMode)
val dropMalformed = ParseModes.isDropMalformedMode(parseMode)
val permissive = ParseModes.isPermissiveMode(parseMode)
/** Sets config options on a Jackson [[JsonFactory]]. */
def setJacksonOptions(factory: JsonFactory): Unit = {
factory.configure(JsonParser.Feature.ALLOW_COMMENTS, allowComments)
factory.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, allowUnquotedFieldNames)
factory.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, allowSingleQuotes)
factory.configure(JsonParser.Feature.ALLOW_NUMERIC_LEADING_ZEROS, allowNumericLeadingZeros)
factory.configure(JsonParser.Feature.ALLOW_NON_NUMERIC_NUMBERS, allowNonNumericNumbers)
factory.configure(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER,
allowBackslashEscapingAnyCharacter)
}
}
|
