Class FallbackParser

java.lang.Object

org.apache.tika.parser.multiple.AbstractMultipleParser

org.apache.tika.parser.multiple.FallbackParser

All Implemented Interfaces:

Serializable, Parser

public class FallbackParser
extends AbstractMultipleParser

Tries multiple parsers in turn, until one succeeds.

Can optionally keep Metadata from failed parsers when trying the next one, depending on the AbstractMultipleParser.MetadataPolicy chosen.

Since:

Apache Tika 1.18

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class AbstractMultipleParser

AbstractMultipleParser.MetadataPolicy

Field Summary

Fields

Modifier and Type	Field	Description
static final List<AbstractMultipleParser.MetadataPolicy>	allowedPolicies	The different Metadata Policies we support (all)

Fields inherited from class AbstractMultipleParser

METADATA_POLICY_CONFIG_KEY

Constructor Summary

Constructors

Constructor	Description
FallbackParser(MediaTypeRegistry registry, Collection<? extends Parser> parsers, Map<String,Param> params)
FallbackParser(MediaTypeRegistry registry, AbstractMultipleParser.MetadataPolicy policy, Collection<? extends Parser> parsers)
FallbackParser(MediaTypeRegistry registry, AbstractMultipleParser.MetadataPolicy policy, Parser... parsers)

Method Summary

Modifier and Type	Method	Description
protected boolean	parserCompleted(Parser parser, Metadata metadata, ContentHandler handler, ParseContext context, Exception exception)	Used to notify implementations that a Parser has Finished or Failed, and to allow them to decide to continue or abort further parsing

Methods inherited from class AbstractMultipleParser

getAllParsers, getMediaTypeRegistry, getMetadataPolicy, getMetadataPolicy, getSupportedTypes, mergeMetadata, parse, parse, parserPrepare, setMediaTypeRegistry

Methods inherited from class Object

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

Field Details

allowedPolicies

public static final List<AbstractMultipleParser.MetadataPolicy> allowedPolicies

The different Metadata Policies we support (all)

Constructor Details

FallbackParser

public FallbackParser(MediaTypeRegistry registry,
 Collection<? extends Parser> parsers,
 Map<String,Param> params)

FallbackParser

public FallbackParser(MediaTypeRegistry registry,
 AbstractMultipleParser.MetadataPolicy policy,
 Collection<? extends Parser> parsers)

FallbackParser

public FallbackParser(MediaTypeRegistry registry,
 AbstractMultipleParser.MetadataPolicy policy,
 Parser... parsers)

Method Details

parserCompleted

protected boolean parserCompleted(Parser parser,
 Metadata metadata,
 ContentHandler handler,
 ParseContext context,
 Exception exception)

Description copied from class: AbstractMultipleParser

Used to notify implementations that a Parser has Finished or Failed, and to allow them to decide to continue or abort further parsing

Specified by:

parserCompleted in class AbstractMultipleParser