Package com.fasterxml.jackson.databind.deser

Class DataFormatReaders

java.lang.Object

com.fasterxml.jackson.databind.deser.DataFormatReaders

public class DataFormatReaders
extends Object

Alternative to DataFormatDetector that needs to be used when using data-binding.

Since:

2.1

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DataFormatReaders.Match	Result class, similar to DataFormatMatcher

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_MAX_INPUT_LOOKAHEAD	By default we will look ahead at most 64 bytes; in most cases, much less (4 bytes or so) is needed, but we will allow bit more leniency to support data formats that need more complex heuristics.

Constructor Summary

Constructors

Constructor	Description
DataFormatReaders(ObjectReader... detectors)
DataFormatReaders(Collection<ObjectReader> detectors)

Method Summary

Modifier and Type	Method	Description
DataFormatReaders.Match	findFormat(byte[] fullInputData)	Method to call to find format that given content (full document) has, as per configuration of this detector instance.
DataFormatReaders.Match	findFormat(byte[] fullInputData, int offset, int len)	Method to call to find format that given content (full document) has, as per configuration of this detector instance.
DataFormatReaders.Match	findFormat(InputStream in)	Method to call to find format that content (accessible via given InputStream) given has, as per configuration of this detector instance.
String	toString()
DataFormatReaders	with(DeserializationConfig config)
DataFormatReaders	with(ObjectReader[] readers)
DataFormatReaders	withMaxInputLookahead(int lookaheadBytes)
DataFormatReaders	withMinimalMatch(MatchStrength minMatch)
DataFormatReaders	withOptimalMatch(MatchStrength optMatch)
DataFormatReaders	withType(JavaType type)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

DEFAULT_MAX_INPUT_LOOKAHEAD

public static final int DEFAULT_MAX_INPUT_LOOKAHEAD

By default we will look ahead at most 64 bytes; in most cases, much less (4 bytes or so) is needed, but we will allow bit more leniency to support data formats that need more complex heuristics.

See Also:

• Constant Field Values

Constructor Details

DataFormatReaders

public DataFormatReaders(ObjectReader... detectors)

DataFormatReaders

public DataFormatReaders(Collection<ObjectReader> detectors)

Method Details

withOptimalMatch

public DataFormatReaders withOptimalMatch(MatchStrength optMatch)

withMinimalMatch

public DataFormatReaders withMinimalMatch(MatchStrength minMatch)

with

public DataFormatReaders with(ObjectReader[] readers)

withMaxInputLookahead

public DataFormatReaders withMaxInputLookahead(int lookaheadBytes)

with

public DataFormatReaders with(DeserializationConfig config)

withType

public DataFormatReaders withType(JavaType type)

findFormat

public DataFormatReaders.Match findFormat(InputStream in)
                                   throws IOException

Method to call to find format that content (accessible via given InputStream) given has, as per configuration of this detector instance.

Returns:

Matcher object which contains result; never null, even in cases where no match (with specified minimal match strength) is found.

Throws:

IOException

findFormat

public DataFormatReaders.Match findFormat(byte[] fullInputData)
                                   throws IOException

Method to call to find format that given content (full document) has, as per configuration of this detector instance.

Returns:

Matcher object which contains result; never null, even in cases where no match (with specified minimal match strength) is found.

Throws:

IOException

findFormat

public DataFormatReaders.Match findFormat(byte[] fullInputData,
 int offset,
 int len)
                                   throws IOException

Method to call to find format that given content (full document) has, as per configuration of this detector instance.

Returns:

Matcher object which contains result; never null, even in cases where no match (with specified minimal match strength) is found.

Throws:

IOException

Since:

2.1

toString

public String toString()

Overrides:

toString in class Object