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package org.javacs;
import com.sun.source.util.JavacTask;
import com.sun.source.util.TaskEvent;
import com.sun.source.util.TaskListener;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;
import java.util.logging.Logger;
import javax.tools.*;
import org.junit.Before;
import org.junit.Test;
public class SimpleTest implements TaskListener, DiagnosticListener<JavaFileObject> {
final JavaCompiler compiler = ServiceLoader.load(JavaCompiler.class).iterator().next();
final Path src = Paths.get("src/main/java").toAbsolutePath();
final List<String> options = List.of("-sourcepath", src.toString(), "-verbose", "-proc:none");
@Before
public void setLogFormat() {
Main.setRootFormat();
}
@Test
public void standardFileManager() throws IOException {
var fileManager = compiler.getStandardFileManager(this, null, Charset.defaultCharset());
LOG.info("Compile once...");
var files = fileManager.getJavaFileObjects(src.resolve("org/javacs/JavaLanguageServer.java"));
var task = (JavacTask) compiler.getTask(null, fileManager, this, options, null, files);
task.addTaskListener(this);
task.analyze();
LOG.info("Compile twice...");
task = (JavacTask) compiler.getTask(null, fileManager, this, options, null, files);
task.addTaskListener(this);
task.analyze();
}
@Test
public void sourceFileManager() throws IOException {
FileStore.setWorkspaceRoots(Set.of(Paths.get(".").toAbsolutePath()));
var fileManager = new SourceFileManager();
LOG.info("Compile once...");
var files =
fileManager.getJavaFileObjectsFromFiles(
List.of(src.resolve("org/javacs/JavaLanguageServer.java").toFile()));
var task = (JavacTask) compiler.getTask(null, fileManager, this, options, null, files);
task.addTaskListener(this);
task.analyze();
LOG.info("...finished once");
for (var i = 0; i < 3; i++) {
LOG.info(String.format("Compile again %d...", i));
task = (JavacTask) compiler.getTask(null, fileManager, this, options, null, files);
task.addTaskListener(this);
task.analyze();
LOG.info(String.format("...finished %d", i));
}
}
@Override
public void report(Diagnostic<? extends JavaFileObject> d) {
LOG.warning(d.getMessage(null));
}
@Override
public void started(TaskEvent e) {
if (e.getSourceFile() == null) {
LOG.info(String.format("...started %s", e.getKind()));
return;
}
LOG.info(String.format("...started %s %s", e.getKind(), e.getSourceFile().getName()));
}
@Override
public void finished(TaskEvent e) {
if (e.getSourceFile() == null) {
LOG.info(String.format("...finished %s", e.getKind()));
return;
}
LOG.info(String.format("...finished %s %s", e.getKind(), e.getSourceFile().getName()));
}
private static final Logger LOG = Logger.getLogger("main");
}
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