Package org.apache.tika.metadata.serialization

Class JsonMetadataList

java.lang.Object

org.apache.tika.metadata.serialization.JsonMetadataBase

org.apache.tika.metadata.serialization.JsonMetadataList

public class JsonMetadataList
extends JsonMetadataBase

Constructor Summary

Constructors

Constructor	Description
JsonMetadataList()

Method Summary

Modifier and Type	Method	Description
static List<Metadata>	fromJson(Reader reader)	Read metadata from reader.
static void	setGson(com.google.gson.Gson gson)	Enables setting custom configurations on Gson.
static void	setPrettyPrinting(boolean prettyPrint)
static void	toJson(List<Metadata> metadataList, Writer writer)	Serializes a Metadata object to Json.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonMetadataList

public JsonMetadataList()

Method Detail

toJson

public static void toJson(List<Metadata> metadataList,
                          Writer writer)
                   throws TikaException

Serializes a Metadata object to Json. This does not flush or close the writer.

Parameters:

metadataList - list of metadata to write

writer - writer

Throws:

TikaException - if there is an IOException during writing

fromJson

public static List<Metadata> fromJson(Reader reader)
                               throws TikaException

Read metadata from reader.

Parameters:

reader -

Returns:

Metadata or null if nothing could be read from the reader

Throws:

TikaException - in case of parse failure by Gson or IO failure with Reader

setGson

public static void setGson(com.google.gson.Gson gson)

Enables setting custom configurations on Gson. Remember to register a serializer and a deserializer for Metadata. This does a literal set and does not add the default serializer and deserializers.

Parameters:

gson -

setPrettyPrinting

public static void setPrettyPrinting(boolean prettyPrint)