Class PemEncodingsSecondPreviewExamples

java.lang.Object

net.jrodolfo.java_evolution.java26.PemEncodingsSecondPreviewExamples

public class PemEncodingsSecondPreviewExamples
extends Object

Demonstrates the second preview of PEM encodings of cryptographic objects from JEP 524.

The preview API is exercised in an isolated child JVM. The generated probe performs an in-memory PEM encode/decode round trip using deterministic DER bytes, so the main Maven build does not need preview flags or cryptographic files.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	PemEncodingsSecondPreviewExamples.CommandResult	Result from one child process invocation.
static final record	PemEncodingsSecondPreviewExamples.PemWorkflowResult	Result from compiling and running the generated preview source.

Constructor Summary

Constructors

Constructor	Description
PemEncodingsSecondPreviewExamples()

Method Summary

Modifier and Type	Method	Description
String	exampleScope()	Explains the scope of this example.
String	previewBoundary()	Explains why the preview API runs in a child process.
String	probeSource()	Source used by the child JVM to exercise the preview PEM API.
String	purpose()	Explains the feature goal.
PemEncodingsSecondPreviewExamples.PemWorkflowResult	runPemWorkflow(Path workspace)	Runs the Java 26 preview PEM round-trip workflow.
String	status()	Explains the second-preview status.

Methods inherited from class Object

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

Constructor Details

PemEncodingsSecondPreviewExamples

public PemEncodingsSecondPreviewExamples()

Method Details

runPemWorkflow

public PemEncodingsSecondPreviewExamples.PemWorkflowResult runPemWorkflow(Path workspace)
                                                                   throws IOException,
InterruptedException

Runs the Java 26 preview PEM round-trip workflow.

Parameters:

workspace - temporary directory for generated source and classes

Returns:

result containing compilation and execution output

Throws:

IOException - when the source file cannot be written

InterruptedException - when waiting for a child process is interrupted

probeSource

public String probeSource()

Source used by the child JVM to exercise the preview PEM API.

Returns:

generated Java source

purpose

public String purpose()

Explains the feature goal.

Returns:

a short feature explanation

status

public String status()

Explains the second-preview status.

Returns:

a short status note

previewBoundary

public String previewBoundary()

Explains why the preview API runs in a child process.

Returns:

the preview boundary

exampleScope

public String exampleScope()

Explains the scope of this example.

Returns:

a short scope explanation