org.apache.tika.metadata.serialization

Class JsonMetadata

java.lang.Object

org.apache.tika.metadata.serialization.JsonMetadataBase

org.apache.tika.metadata.serialization.JsonMetadata

public class JsonMetadata
extends JsonMetadataBase

Field Summary

Fields

Modifier and Type	Field and Description
private static com.google.gson.Gson	GSON

Constructor Summary

Constructors

Constructor and Description
JsonMetadata()

Method Summary

Modifier and Type	Method and Description
static Metadata	fromJson(java.io.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(Metadata metadata, java.io.Writer writer) Serializes a Metadata object to Json.

Methods inherited from class org.apache.tika.metadata.serialization.JsonMetadataBase

defaultInit, prettyInit

Methods inherited from class java.lang.Object

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

Field Detail

GSON

private static com.google.gson.Gson GSON

Constructor Detail

JsonMetadata

public JsonMetadata()

Method Detail

toJson

public static void toJson(Metadata metadata,
                          java.io.Writer writer)
                   throws TikaException

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

Parameters:

metadata - metadata to write

writer - writer

Throws:

TikaException - if there is an IOException during writing

fromJson

public static Metadata fromJson(java.io.Reader reader)
                         throws TikaException

Read metadata from reader.

Parameters:

reader - reader to read from

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)