io.druid.java.util.common.parsers

Class JSONParser

java.lang.Object

io.druid.java.util.common.parsers.JSONParser

All Implemented Interfaces:

Parser<String,Object>

Direct Known Subclasses:

JSONToLowerParser

public class JSONParser
extends Object
implements Parser<String,Object>

Field Summary

Fields

Modifier and Type	Field and Description
static com.google.common.base.Function<com.fasterxml.jackson.databind.JsonNode,Object>	valueFunction

Constructor Summary

Constructors

Constructor and Description
JSONParser()
JSONParser(Iterable<String> fieldNames) Deprecated.
JSONParser(com.fasterxml.jackson.databind.ObjectMapper objectMapper, Iterable<String> fieldNames)
JSONParser(com.fasterxml.jackson.databind.ObjectMapper objectMapper, Iterable<String> fieldNames, Iterable<String> exclude)

Method Summary

Modifier and Type	Method and Description
List<String>	getFieldNames() Returns the fieldNames that we expect to see in parsed Maps, if known, or null otherwise.
Map<String,Object>	parse(String input) Parse a String into a Map.
void	setFieldNames(Iterable<String> fieldNames) Set the fieldNames that you expect to see in parsed Maps.

Methods inherited from class java.lang.Object

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

Field Detail

valueFunction

public static final com.google.common.base.Function<com.fasterxml.jackson.databind.JsonNode,Object> valueFunction

Constructor Detail

JSONParser

public JSONParser()

JSONParser

@Deprecated
public JSONParser(Iterable<String> fieldNames)

Deprecated.

JSONParser

public JSONParser(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                  Iterable<String> fieldNames)

JSONParser

public JSONParser(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                  Iterable<String> fieldNames,
                  Iterable<String> exclude)

Method Detail

getFieldNames

public List<String> getFieldNames()

Description copied from interface: Parser

Returns the fieldNames that we expect to see in parsed Maps, if known, or null otherwise. Deprecated; Parsers should not, in general, be expected to know what fields they will return.

Specified by:

getFieldNames in interface Parser<String,Object>

setFieldNames

public void setFieldNames(Iterable<String> fieldNames)

Description copied from interface: Parser

Set the fieldNames that you expect to see in parsed Maps. Deprecated; Parsers should not, in general, be expected to know what fields they will return. Some individual types of parsers do need to know (like a TSV parser) and those parsers have their own way of setting field names.

Specified by:

setFieldNames in interface Parser<String,Object>

parse

public Map<String,Object> parse(String input)

Description copied from interface: Parser

Parse a String into a Map.

Specified by:

parse in interface Parser<String,Object>