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

Class StringReader

java.lang.Object

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

All Implemented Interfaces:

IValueReader

final class StringReader
extends java.lang.Object
implements IValueReader

Reads a string

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	CHARSET
static StringReader	INSTANCE
private static int	STRING_ELEMENT_SIZE
private static int	UNREASONABLE_STRING_LENGTH

Constructor Summary

Constructors

Constructor and Description
StringReader()

Method Summary

Modifier and Type	Method and Description
ContentType<?>	getValueType()
static java.lang.String	readString(byte[] data, Offset offset)
private static int	readStringByteCount(byte[] data, Offset offset)
java.lang.Object	readValue(byte[] data, 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

INSTANCE

public static final StringReader INSTANCE

STRING_ELEMENT_SIZE

private static final int STRING_ELEMENT_SIZE

See Also:

Constant Field Values

CHARSET

private static final java.lang.String CHARSET

See Also:

Constant Field Values

UNREASONABLE_STRING_LENGTH

private static final int UNREASONABLE_STRING_LENGTH

See Also:

Constant Field Values

Constructor Detail

StringReader

StringReader()

Method Detail

readValue

public java.lang.Object readValue(byte[] data,
                                  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

readString

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

Throws:

InvalidJfrFileException

readStringByteCount

private static int readStringByteCount(byte[] data,
                                       Offset offset)
                                throws InvalidJfrFileException

Throws:

InvalidJfrFileException

getValueType

public ContentType<?> getValueType()

Specified by:

getValueType in interface IValueReader

Returns:

the content type of the created objects