org.openjdk.jmc.flightrecorder

Class JfrLoaderToolkit

java.lang.Object

org.openjdk.jmc.flightrecorder.JfrLoaderToolkit

public class JfrLoaderToolkit
extends java.lang.Object

A collection of methods used to load binary JFR data into IItemCollection implementations.

Constructor Summary

Constructors

Constructor and Description
JfrLoaderToolkit()

Method Summary

Modifier and Type	Method and Description
static IItemCollection	loadEvents(java.io.File file) Loads a potentially zipped or gzipped file using the parser extensions loaded from the java service loader
static IItemCollection	loadEvents(java.io.InputStream stream) Loads a potentially zipped or gzipped input stream using the parser extensions loaded from the java service loader
static IItemCollection	loadEvents(java.io.InputStream stream, java.util.List<? extends IParserExtension> extensions) Loads a potentially zipped or gzipped input stream using the parser extensions loaded from the java service loader
static IItemCollection	loadEvents(java.util.List<java.io.File> files) Loads a recording from a sequence of potentially zipped or gzipped files using the parser extensions loaded from the java service loader
static IItemCollection	loadEvents(java.util.List<java.io.File> files, java.util.List<? extends IParserExtension> extensions) Loads a recording from a sequence of potentially zipped or gzipped file using the supplied parser extensions
private static EventArrays	loadFile(java.util.List<java.io.File> files, java.util.List<? extends IParserExtension> extensions)

Methods inherited from class java.lang.Object

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

Constructor Detail

JfrLoaderToolkit

public JfrLoaderToolkit()

Method Detail

loadFile

private static EventArrays loadFile(java.util.List<java.io.File> files,
                                    java.util.List<? extends IParserExtension> extensions)
                             throws java.io.IOException,
                                    CouldNotLoadRecordingException

Parameters:

files - the files to read the recording from

extensions - the extensions to use when parsing the file

Returns:

an object holding an array of EventArrays (one event type per EventArray)

Throws:

java.io.IOException

CouldNotLoadRecordingException

loadEvents

public static IItemCollection loadEvents(java.io.InputStream stream)
                                  throws java.io.IOException,
                                         CouldNotLoadRecordingException

Loads a potentially zipped or gzipped input stream using the parser extensions loaded from the java service loader

Parameters:

stream - the input stream to read the recording from

Returns:

the events in the recording

Throws:

java.io.IOException

CouldNotLoadRecordingException

loadEvents

public static IItemCollection loadEvents(java.io.InputStream stream,
                                         java.util.List<? extends IParserExtension> extensions)
                                  throws CouldNotLoadRecordingException,
                                         java.io.IOException

Loads a potentially zipped or gzipped input stream using the parser extensions loaded from the java service loader

Parameters:

stream - the input stream to read the recording from

extensions - the extensions to use when parsing the file

Returns:

the events in the recording

Throws:

CouldNotLoadRecordingException

java.io.IOException

loadEvents

public static IItemCollection loadEvents(java.io.File file)
                                  throws java.io.IOException,
                                         CouldNotLoadRecordingException

Loads a potentially zipped or gzipped file using the parser extensions loaded from the java service loader

Parameters:

file - the file to read the recording from

Returns:

the events in the recording

Throws:

java.io.IOException

CouldNotLoadRecordingException

loadEvents

public static IItemCollection loadEvents(java.util.List<java.io.File> files)
                                  throws java.io.IOException,
                                         CouldNotLoadRecordingException

Loads a recording from a sequence of potentially zipped or gzipped files using the parser extensions loaded from the java service loader

Parameters:

files - the files to read the recording from

Returns:

the events in the recording

Throws:

java.io.IOException

CouldNotLoadRecordingException

loadEvents

public static IItemCollection loadEvents(java.util.List<java.io.File> files,
                                         java.util.List<? extends IParserExtension> extensions)
                                  throws java.io.IOException,
                                         CouldNotLoadRecordingException

Loads a recording from a sequence of potentially zipped or gzipped file using the supplied parser extensions

Parameters:

files - the files to read the recording from

extensions - the extensions to use when parsing the file

Returns:

the events in the recording

Throws:

java.io.IOException

CouldNotLoadRecordingException