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 and Description
private static java.lang.String	CHARSET
static UTFStringParser	INSTANCE

Constructor Summary

Constructors

Constructor and Description
UTFStringParser()

Method Summary

Modifier and Type	Method and 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