Class LaunchMultiFileSourceProgramsExamples

java.lang.Object

net.jrodolfo.java_evolution.java22.launch_multi_file_source_programs.LaunchMultiFileSourceProgramsExamples

public class LaunchMultiFileSourceProgramsExamples
extends Object

Demonstrates Java 22 multi-file source-program launching.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	LaunchMultiFileSourceProgramsExamples.LaunchResult	Captures the launcher child process result.

Constructor Summary

Constructors

Constructor	Description
LaunchMultiFileSourceProgramsExamples()

Method Summary

Modifier and Type	Method	Description
void	createBrokenSourceTree(Path directory)	Creates a source tree that should fail because Main.java references a missing helper type.
void	createGreetingSourceTree(Path directory)	Creates a small source tree where Main.java uses helper source files.
LaunchMultiFileSourceProgramsExamples.LaunchResult	launchMain(Path sourceDirectory, String... arguments)	Runs java Main.java in the supplied source directory.

Methods inherited from class Object

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

Constructor Details

LaunchMultiFileSourceProgramsExamples

public LaunchMultiFileSourceProgramsExamples()

Method Details

createGreetingSourceTree

public void createGreetingSourceTree(Path directory)
                              throws IOException

Creates a small source tree where Main.java uses helper source files.

Parameters:

directory - directory where source files should be created

Throws:

IOException - when the source tree cannot be written

createBrokenSourceTree

public void createBrokenSourceTree(Path directory)
                            throws IOException

Creates a source tree that should fail because Main.java references a missing helper type.

Parameters:

directory - directory where source files should be created

Throws:

IOException - when the source tree cannot be written

launchMain

public LaunchMultiFileSourceProgramsExamples.LaunchResult launchMain(Path sourceDirectory,
 String... arguments)
                                                              throws IOException,
InterruptedException

Runs java Main.java in the supplied source directory.

Parameters:

sourceDirectory - directory containing Main.java

arguments - application arguments passed after Main.java

Returns:

child-process result

Throws:

IOException - when the child JVM cannot be started

InterruptedException - when interrupted while waiting for the child JVM