Package org.apache.tika.serialization

Class JsonMetadataList

java.lang.Object

org.apache.tika.serialization.JsonMetadataList

public class JsonMetadataList
extends Object

Constructor Summary

Constructors

Constructor	Description
JsonMetadataList()

Method Summary

Modifier and Type	Method	Description
static List<Metadata>	fromJson(Reader reader)	Read metadata from reader.
static com.fasterxml.jackson.core.StreamReadConstraints	getStreamReadConstraints()	Gets the current stream read constraints.
static void	setPrettyPrinting(boolean prettyPrint)
static void	setStreamReadConstraints(com.fasterxml.jackson.core.StreamReadConstraints constraints)	Sets the stream read constraints for JSON parsing of metadata lists.
static void	toJson(List<Metadata> metadataList, Writer writer)	Serializes a Metadata object to Json.
static void	toJson(List<Metadata> metadataList, Writer writer, boolean prettyPrint)	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 Details

JsonMetadataList

public JsonMetadataList()

Method Details

setStreamReadConstraints

public static void setStreamReadConstraints(com.fasterxml.jackson.core.StreamReadConstraints constraints)

Sets the stream read constraints for JSON parsing of metadata lists. This affects all subsequent calls to fromJson(Reader).

Typically called by TikaLoader during initialization based on the "metadata-list" configuration section.

Parameters:

constraints - the constraints to use

getStreamReadConstraints

public static com.fasterxml.jackson.core.StreamReadConstraints getStreamReadConstraints()

Gets the current stream read constraints.

Returns:

the current constraints

toJson

public static void toJson(List<Metadata> metadataList,
 Writer writer,
 boolean prettyPrint)
                   throws IOException

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

Parameters:

metadataList - list of metadata to write

writer - writer

prettyPrint - whether or not to pretty print the output

Throws:

TikaException - if there is an IOException during writing

IOException

toJson

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

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

IOException

fromJson

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

Read metadata from reader. This does not close the reader.

Parameters:

reader - the reader to read from

Returns:

Metadata list or null if reader is null

Throws:

IOException - in case of parse failure or IO failure with Reader

setPrettyPrinting

public static void setPrettyPrinting(boolean prettyPrint)