Merge pull request #5536 from jlahoda/run-ask-main
Let the user choose main class, when none is open
diff --git a/java/java.lsp.server/src/org/netbeans/modules/java/lsp/server/debugging/launch/NbLaunchRequestHandler.java b/java/java.lsp.server/src/org/netbeans/modules/java/lsp/server/debugging/launch/NbLaunchRequestHandler.java
index 5ec31be..b79320a 100644
--- a/java/java.lsp.server/src/org/netbeans/modules/java/lsp/server/debugging/launch/NbLaunchRequestHandler.java
+++ b/java/java.lsp.server/src/org/netbeans/modules/java/lsp/server/debugging/launch/NbLaunchRequestHandler.java
@@ -23,13 +23,19 @@
import java.net.URISyntaxException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Collections;
+import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import javax.lang.model.element.TypeElement;
import org.apache.commons.lang3.StringUtils;
import org.eclipse.lsp4j.debug.OutputEventArguments;
@@ -37,12 +43,25 @@
import org.eclipse.lsp4j.debug.TerminatedEventArguments;
import org.eclipse.lsp4j.jsonrpc.messages.ResponseErrorCode;
import org.netbeans.api.java.classpath.ClassPath;
+import org.netbeans.api.java.project.JavaProjectConstants;
+import org.netbeans.api.java.source.ClasspathInfo;
+import org.netbeans.api.java.source.ElementHandle;
+import org.netbeans.api.java.source.SourceUtils;
+import org.netbeans.api.project.ProjectUtils;
+import org.netbeans.modules.java.lsp.server.LspServerState;
import org.netbeans.modules.java.lsp.server.debugging.DebugAdapterContext;
import org.netbeans.modules.java.lsp.server.debugging.NbSourceProvider;
import org.netbeans.modules.java.lsp.server.debugging.utils.ErrorUtilities;
+import org.netbeans.spi.java.classpath.support.ClassPathSupport;
+import org.openide.DialogDescriptor;
+import org.openide.DialogDisplayer;
+import org.openide.NotifyDescriptor;
+import org.openide.NotifyDescriptor.QuickPick.Item;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
+import org.openide.util.Lookup;
import org.openide.util.Utilities;
+import org.openide.util.lookup.Lookups;
/**
*
@@ -71,10 +90,89 @@
if (!isNative && (StringUtils.isBlank(mainFilePath) && StringUtils.isBlank(filePath) && StringUtils.isBlank(projectFilePath)
|| modulePaths.isEmpty() && classPaths.isEmpty())) {
- ErrorUtilities.completeExceptionally(resultFuture,
- "Failed to launch debuggee VM. Missing mainClass or modulePaths/classPaths options in launch configuration.",
- ResponseErrorCode.ServerNotInitialized);
- return resultFuture;
+ if (modulePaths.isEmpty() && classPaths.isEmpty()) {
+ ErrorUtilities.completeExceptionally(resultFuture,
+ "Failed to launch debuggee VM. Missing modulePaths/classPaths options in launch configuration.",
+ ResponseErrorCode.ServerNotInitialized);
+ return resultFuture;
+ }
+ if (StringUtils.isBlank(mainFilePath) && StringUtils.isBlank(filePath) && StringUtils.isBlank(projectFilePath)) {
+ LspServerState state = Lookup.getDefault().lookup(LspServerState.class);
+ if (state == null) {
+ ErrorUtilities.completeExceptionally(resultFuture,
+ "Failed to launch debuggee VM. Missing mainClass or modulePaths/classPaths options in launch configuration.",
+ ResponseErrorCode.ServerNotInitialized);
+ return resultFuture;
+ }
+ return state.openedProjects().thenCompose(prjs -> {
+ FileObject[] sourceRoots =
+ Arrays.stream(prjs)
+ .flatMap(p -> Arrays.stream(ProjectUtils.getSources(p).getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA)))
+ .map(sg -> sg.getRootFolder())
+ .toArray(s -> new FileObject[s]);
+
+ List<ElementHandle<TypeElement>> mainClasses =
+ new ArrayList<>(SourceUtils.getMainClasses(sourceRoots));
+ CompletableFuture<Void> currentResult = new CompletableFuture<>();
+ Consumer<ElementHandle<TypeElement>> handleSelectedMainClass = mainClass -> {
+ Map<String, Object> newLaunchArguments = new HashMap<>(launchArguments);
+ ClasspathInfo cpInfo = ClasspathInfo.create(ClassPath.EMPTY, ClassPath.EMPTY, ClassPathSupport.createClassPath(sourceRoots));
+ FileObject mainClassFile = SourceUtils.getFile(mainClass, cpInfo);
+ if (mainClassFile == null) {
+ ErrorUtilities.completeExceptionally(currentResult,
+ "Cannot find source file for the selected main class.",
+ ResponseErrorCode.ServerNotInitialized);
+ } else {
+ newLaunchArguments.put("mainClass", mainClassFile.toURI().toString());
+ launch(newLaunchArguments, context).thenAccept(res -> currentResult.complete(res))
+ .exceptionally(t -> {
+ currentResult.completeExceptionally(t);
+ return null;
+ });
+ }
+ };
+
+ switch (mainClasses.size()) {
+ case 0:
+ String message = "Failed to launch debuggee VM. No mainClass provided.";
+ if (SourceUtils.isScanInProgress()) {
+ message += " Indexing is in progress, please try again when the indexing is completed.";
+ }
+ ErrorUtilities.completeExceptionally(currentResult,
+ message,
+ ResponseErrorCode.ServerNotInitialized);
+ break;
+ case 1:
+ handleSelectedMainClass.accept(mainClasses.get(0));
+ break;
+ case 2:
+ List<NotifyDescriptor.QuickPick.Item> mainClassItems =
+ mainClasses.stream()
+ .map(eh -> new Item(eh.getQualifiedName(), eh.getQualifiedName()))
+ .collect(Collectors.toList());
+
+ NotifyDescriptor.QuickPick pick = new DialogDescriptor.QuickPick("Please choose main class",
+ "Choose main class", mainClassItems, false);
+ DialogDisplayer.getDefault().notifyFuture(pick).thenAccept(acceptedPick -> {
+ for (int i = 0; i < acceptedPick.getItems().size(); i++) {
+ NotifyDescriptor.QuickPick.Item item = acceptedPick.getItems().get(i);
+ if (item.isSelected()) {
+ ElementHandle<TypeElement> mainClass = mainClasses.get(i);
+ handleSelectedMainClass.accept(mainClass);
+ break;
+ }
+ }
+ }).exceptionally(t -> {
+ ErrorUtilities.completeExceptionally(currentResult,
+ "Failed to launch debuggee VM. No mainClass provided.",
+ ResponseErrorCode.ServerNotInitialized);
+ return null;
+ });
+ break;
+ }
+ return currentResult;
+ });
+ }
}
if (StringUtils.isBlank((String)launchArguments.get("encoding"))) {
context.setDebuggeeEncoding(StandardCharsets.UTF_8);
