support to generate project from maven archetype

CHANGELOG.md

@@ -3,7 +3,11 @@ All notable changes to the "vscode-maven" extension will be documented in this f
 
 Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
 
-## [Unreleased]
+## Unreleased
+- Add context menu on `pom.xml`.
+- Support maven archetype generate.
+
+## Released
 
 ### 0.0.6 
 - Run command in dedicated terminals for each maven project.

package.json

@@ -98,6 +98,16 @@
         "command": "mavenProject.openPom",
         "title": "Open POM file",
         "category": "Maven"
+      },
+      {
+        "command": "mavenArchetype.generate",
+        "title": "Generate from Maven Archetype",
+        "category": "Maven"
+      },
+      {
+        "command": "mavenArchetype.updateCache",
+        "title": "Update Maven Archetype Catalog",
+        "category": "Maven"
       }
     ],
     "views": {
@@ -111,7 +121,10 @@
     "menus": {
       "explorer/context": [
         {
-            "command": "mavenArchetype.generate"
+          "command": "mavenArchetype.generate"
+        },
+        {
+          "command": "mavenArchetype.updateCache"
         },
         {
           "command": "mavenProject.effectivePom",
@@ -225,4 +238,4 @@
     "readdirp": "^2.1.0",
     "xml2js": "^0.4.19"
   }
-}
+}

src/extension.ts

@@ -87,6 +87,27 @@ export function activate(context: vscode.ExtensionContext) {
         });
     });
 
+    let commandMavenArchetypeGenerate = vscode.commands.registerCommand("mavenArchetype.generate", () => {
+        vscode.window.showWorkspaceFolderPick().then(ret => { console.log(ret); });
+        const archetypeList = Utils.getArchetypeList();
+        vscode.window.showQuickPick(archetypeList, { matchOnDescription: true }).then(selected => {
+            if (selected) {
+                const { artifactId, groupId } = selected;
+                vscode.window.showQuickPick(selected.versions).then(version => {
+                    if (version) {
+                        Utils.runInTerminal(`mvn archetype:generate -DarchetypeArtifactId=${artifactId} -DarchetypeGroupId=${groupId} -DarchetypeVersion=${version}`, true, 'Maven');
+                    }
+                });
+            }
+        });
+    });
+
+    let commandMavenArchetypeUpdateCache = vscode.commands.registerCommand("mavenArchetype.updateCache", () => {
+        vscode.window.showInputBox({ value: "http://repo.maven.apache.org/maven2/archetype-catalog.xml" }).then(url => {
+            vscode.window.setStatusBarMessage("Updating archetype catalog ... ", Utils.updateArchetypeCache(url));
+        });
+    });
+
     ['clean', 'validate', 'compile', 'test', 'package', 'verify', 'install', 'site', 'deploy'].forEach(goal => {
         let commandMavenGoal = vscode.commands.registerCommand(`mavenGoal.${goal}`, (goalItem) => {
             const item = goalItem as MavenProjectTreeItem;
@@ -99,6 +120,8 @@ export function activate(context: vscode.ExtensionContext) {
     context.subscriptions.push(commandMavenGoalExecute);
     context.subscriptions.push(commandMavenProjectEffectivePom);
     context.subscriptions.push(commandMavenProjectOpenPom);
+    context.subscriptions.push(commandMavenArchetypeGenerate);
+    context.subscriptions.push(commandMavenArchetypeUpdateCache);
 }
 
 // this method is called when your extension is deactivated

src/mavenArchetype.ts

@@ -0,0 +1,16 @@
+import * as vscode from "vscode";
+import { QuickPickItem } from "vscode";
+export class MavenArchetype implements QuickPickItem {
+    label: string;
+    description: string;
+    artifactId: string;
+    groupId: string;
+    versions: string[];
+    constructor(aid: string, gid: string, desc?: string) {
+        this.artifactId = aid;
+        this.groupId = gid;
+        this.versions = [];
+        this.label = `${gid}:${aid}`;
+        this.description = desc;
+    }
+}

src/utils.ts

@@ -1,11 +1,14 @@
 import * as vscode from "vscode";
 import { execSync } from 'child_process';
 import * as fs from 'fs';
+import * as http from 'http';
 import * as os from 'os';
 import * as md5 from "md5";
 import * as path from 'path';
 import * as xml2js from 'xml2js';
 import { MavenProjectTreeItem } from "./mavenProjectTreeItem";
+import { MavenArchetype } from "./mavenArchetype";
+import { existsSync } from "fs";
 
 
 
@@ -105,6 +108,50 @@ export class Utils {
         return path.join(os.tmpdir(), "vscode-maven", md5(pomXmlFilePath), 'commandHistory.txt');
     }
 
+    static getArchetypeList(): MavenArchetype[] {
+        const localArchetypeXmlFilePath = this.getLocalArchetypeCatalogFilePath();
+        if (existsSync(localArchetypeXmlFilePath)) {
+            const xml = fs.readFileSync(localArchetypeXmlFilePath, 'utf8');
+            let catalog = null;
+            xml2js.parseString(xml, { explicitArray: false }, (err, res) => { catalog = res; });
+            if (catalog && catalog['archetype-catalog'] && catalog['archetype-catalog'].archetypes) {
+                let dict: { [key: string]: MavenArchetype } = {};
+                catalog['archetype-catalog'].archetypes.archetype.forEach(archetype => {
+                    const identifier = `${archetype.groupId}:${archetype.artifactId}`;
+                    if (!dict[identifier]) {
+                        dict[identifier] = new MavenArchetype(archetype.artifactId, archetype.groupId, archetype.description);
+                    }
+                    if (dict[identifier].versions.indexOf(archetype.version) < 0) {
+                        dict[identifier].versions.push(archetype.version);
+                    }
+                });
+                return Object.keys(dict).map(k => dict[k]);
+            }
+        }
+        return [];
+    }
+    public static getLocalArchetypeCatalogFilePath(): string {
+        return path.join(os.homedir(), ".m2", "repository", "archetype-catalog.xml");
+    }
+
+    public static updateArchetypeCache(url: string): Promise<void> {
+        const filepath = this.getLocalArchetypeCatalogFilePath();
+        this.mkdirp(path.dirname(filepath));
+        const file = fs.createWriteStream(filepath);
+        let ret = new Promise<void>((resolve, reject) => {
+            const request = http.get(url, (response) => {
+                response.pipe(file);
+                response.on("end", () => {
+                    resolve();
+                });
+            });
+            request.on("error", e => {
+                reject();
+            });
+        });
+        return ret;
+    }
+
     private static mkdirp(filepath) {
         if (fs.existsSync(filepath)) {
             return;