Module org.elasticsearch.xcontent

Package org.elasticsearch.xcontent

Class FlatteningXContentParser

java.lang.Object

org.elasticsearch.xcontent.FilterXContentParser

org.elasticsearch.xcontent.FilterXContentParserWrapper

org.elasticsearch.xcontent.XContentSubParser

org.elasticsearch.xcontent.FlatteningXContentParser

All Implemented Interfaces:

Closeable, AutoCloseable, XContentParser

public class FlatteningXContentParser
extends XContentSubParser

A subclass of XContentSubParser that provides the functionality to flatten the field names by prefixing them with the provided parent name.

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.xcontent.XContentParser

XContentParser.NumberType, XContentParser.Token

Constructor Summary

Constructors

Constructor	Description
FlatteningXContentParser(XContentParser parser, String parentName)	Constructs a FlatteningXContentParser with the given parent name and wraps an existing XContentParser.

Method Summary

Modifier and Type	Method	Description
String	currentName()	Retrieves the name of the current field being parsed.

Methods inherited from class org.elasticsearch.xcontent.XContentSubParser

close, isClosed, nextToken, skipChildren

Methods inherited from class org.elasticsearch.xcontent.FilterXContentParserWrapper

delegate

Methods inherited from class org.elasticsearch.xcontent.FilterXContentParser

allowDuplicateKeys, binaryValue, booleanValue, charBuffer, charBufferOrNull, contentType, currentToken, doubleValue, doubleValue, floatValue, floatValue, getDeprecationHandler, getRestApiVersion, getTokenLocation, getXContentRegistry, hasTextCharacters, intValue, intValue, isBooleanValue, list, listOrderedMap, longValue, longValue, map, map, mapOrdered, mapStrings, namedObject, numberType, numberValue, objectBytes, objectText, shortValue, shortValue, text, textCharacters, textLength, textOffset, textOrNull

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.elasticsearch.xcontent.XContentParser

nextFieldName

Constructor Details

FlatteningXContentParser

public FlatteningXContentParser(XContentParser parser,
 String parentName)

Constructs a FlatteningXContentParser with the given parent name and wraps an existing XContentParser.

Parameters:

parser - The XContentParser to be wrapped and extended with flattening functionality.

parentName - The parent name to be used as a prefix for immediate children.

Method Details

currentName

public String currentName()
                   throws IOException

Retrieves the name of the current field being parsed. If the current parsing level is 1, the returned field name will be constructed by prepending the parent name to the delegate's currentFieldName, otherwise just delegate.

Specified by:

currentName in interface XContentParser

Overrides:

currentName in class FilterXContentParser

Returns:

The current field name, potentially modified by prepending the parent name as a prefix.

Throws:

IOException - If an I/O error occurs during parsing.