org.apache.flink.table.descriptors.CsvValidator.scala Maven / Gradle / Ivy
/*
* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.flink.table.descriptors
import org.apache.flink.table.descriptors.CsvValidator._
import org.apache.flink.table.descriptors.FormatDescriptorValidator.FORMAT_TYPE
/**
* Validator for [[Csv]].
*/
class CsvValidator extends FormatDescriptorValidator {
override def validate(properties: DescriptorProperties): Unit = {
super.validate(properties)
properties.validateValue(FORMAT_TYPE, FORMAT_TYPE_VALUE, false)
properties.validateString(FORMAT_FIELD_DELIMITER, true, 1)
properties.validateString(FORMAT_LINE_DELIMITER, true, 1)
properties.validateString(FORMAT_QUOTE_CHARACTER, true, 1, 1)
properties.validateString(FORMAT_COMMENT_PREFIX, true, 1)
properties.validateBoolean(FORMAT_IGNORE_FIRST_LINE, true)
properties.validateBoolean(FORMAT_IGNORE_PARSE_ERRORS, true)
properties.validateTableSchema(FORMAT_FIELDS, false)
}
}
object CsvValidator {
val FORMAT_TYPE_VALUE = "csv"
val FORMAT_FIELD_DELIMITER = "format.field-delimiter"
val FORMAT_LINE_DELIMITER = "format.line-delimiter"
val FORMAT_QUOTE_CHARACTER = "format.quote-character"
val FORMAT_COMMENT_PREFIX = "format.comment-prefix"
val FORMAT_IGNORE_FIRST_LINE = "format.ignore-first-line"
val FORMAT_IGNORE_PARSE_ERRORS = "format.ignore-parse-errors"
val FORMAT_FIELDS = "format.fields"
}