Package org.openjdk.jmc.flightrecorder.internal.parser.v0

Class UTFStringParser

java.lang.Object

org.openjdk.jmc.flightrecorder.internal.parser.v0.UTFStringParser

All Implemented Interfaces:

IArrayElementParser<java.lang.String>, IValueReader

final class UTFStringParser
extends java.lang.Object
implements IArrayElementParser<java.lang.String>, IValueReader

Reads a UTF-8 string.

Field Summary

Fields

Modifier and Type	Field	Description
private static java.lang.String	CHARSET
static UTFStringParser	INSTANCE

Constructor Summary

Constructors

Constructor	Description
UTFStringParser()

Method Summary

Modifier and Type	Method	Description
java.lang.String[]	createArray(int length)	Creates an array
ContentType<?>	getValueType()
java.lang.String	readElement(byte[] bytes, Offset offset)	Reads an objects from a byte array starting at a given offset.
static java.lang.String	readString(byte[] bytes, Offset offset)
private static int	readUnsignedShort(byte[] bytes, int offset)
java.lang.Object	readValue(byte[] bytes, Offset offset, long timestamp)	Reads an objects from a byte array starting at a given offset.

Methods inherited from class java.lang.Object

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

Field Detail

CHARSET

private static final java.lang.String CHARSET

See Also:

Constant Field Values

INSTANCE

public static final UTFStringParser INSTANCE

Constructor Detail

UTFStringParser

UTFStringParser()

Method Detail

readValue

public java.lang.Object readValue(byte[] bytes,
                                  Offset offset,
                                  long timestamp)
                           throws InvalidJfrFileException

Description copied from interface: IValueReader

Reads an objects from a byte array starting at a given offset.

Specified by:

readValue in interface IValueReader

offset - the offset to start read from. Will be moved to the end of the parsed data

timestamp - the timestamp of the object to read

Returns:

the parsed object

Throws:

InvalidJfrFileException

readElement

public java.lang.String readElement(byte[] bytes,
                                    Offset offset)
                             throws InvalidJfrFileException

Description copied from interface: IArrayElementParser

Reads an objects from a byte array starting at a given offset.

Specified by:

readElement in interface IArrayElementParser<java.lang.String>

Parameters:

bytes - the data to read the element from

offset - the offset to start read from. Will be moved to the end of the parsed data

Returns:

the parsed element

Throws:

InvalidJfrFileException

readString

public static java.lang.String readString(byte[] bytes,
                                          Offset offset)
                                   throws InvalidJfrFileException

Throws:

InvalidJfrFileException

readUnsignedShort

private static int readUnsignedShort(byte[] bytes,
                                     int offset)

createArray

public java.lang.String[] createArray(int length)

Description copied from interface: IArrayElementParser

Creates an array

Specified by:

createArray in interface IArrayElementParser<java.lang.String>

Parameters:

length - the length of the array to create

Returns:

getValueType

public ContentType<?> getValueType()

Specified by:

getValueType in interface IValueReader

Returns:

the content type of the created objects