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 session

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extension.ts

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// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT license.

import * as path from "path";

import * as vscode from "vscode";

import * as commands from "./commands";

const status: any = {};

export function activate(context: vscode.ExtensionContext) {

vscode.commands.registerCommand(commands.JAVA_START_DEBUGSESSION, async (config) => {

if (!status.debugging) {

status.debugging = "startDebugSession";

try {

if (Object.keys(config).length === 0) { // No launch.json in current workspace.

const ans = await vscode.window.showInformationMessage(

"\"launch.json\" is needed to start the debugger. Do you want to create it now?", "Yes", "No");

if (ans === "Yes") {

vscode.commands.executeCommand(commands.VSCODE_ADD_DEBUGCONFIGURATION);

}

return;

} else if (config.request === "launch") {

if (!config.mainClass) {

vscode.window.showErrorMessage("Please specify the mainClass in the launch.json.");

return;

} else if (!config.classPaths || !Array.isArray(config.classPaths) || !config.classPaths.length) {

config.classPaths = await resolveClasspath(config.mainClass, config.projectName);

}

if (!config.classPaths || !Array.isArray(config.classPaths) || !config.classPaths.length) {

vscode.window.showErrorMessage("Cannot resolve the classpaths automatically, please specify the value in the launch.json.");

return;

}

} else if (config.request === "attach") {

if (!config.hostName || !config.port) {

vscode.window.showErrorMessage("Please specify the host name and the port of the remote debuggee in the launch.json.");

return;

}

} else {

const ans = await vscode.window.showErrorMessage(

// tslint:disable-next-line:max-line-length

"Request type \"" + config.request + "\" is not supported. Only \"launch\" and \"attach\" are supported.", "Open launch.json");

if (ans === "Open launch.json") {

await vscode.commands.executeCommand(commands.VSCODE_ADD_DEBUGCONFIGURATION);

}

return;

}

const debugServerPort = await startDebugSession();

if (debugServerPort) {

config.debugServer = debugServerPort;

await vscode.commands.executeCommand(commands.VSCODE_STARTDEBUG, config);

} else {

// Information for diagnostic:

console.log("Cannot find a port for debugging session");

}

} catch (ex) {

} finally {

delete status.debugging;

}

}

});

}

// this method is called when your extension is deactivated

export function deactivate() {

}

function startDebugSession() {

return executeJavaLanguageServerCommand(commands.JAVA_START_DEBUGSESSION);

}

function resolveClasspath(mainClass, projectName) {

return executeJavaLanguageServerCommand(commands.JAVA_RESOLVE_CLASSPATH, mainClass, projectName);

}

function executeJavaLanguageServerCommand(...rest) {

return vscode.commands.executeCommand(commands.JAVA_EXECUTE_WORKSPACE_COMMAND, ...rest);

}