Support sts/highlight message. Support "standalone" server for Atom

atom-extensions/atom-boot-java/lib/main.js

@@ -1,7 +1,11 @@
 const path = require('path');
-const { JarLanguageClient } = require('pivotal-atom-languageclient-commons');
+const { JarLanguageClient, StsAdapter } = require('pivotal-atom-languageclient-commons');
+const { Convert } = require('atom-languageclient');
 const PROPERTIES = require('../properties.json');
 
+const BOOT_DATA_MARKER_TYPE = 'BootApp-Hint';
+const BOOT_HINT_GUTTER_NAME = 'boot-hint-gutter';
+
 class BootJavaLanguageClient extends JarLanguageClient {
 
     constructor() {
@@ -11,6 +15,7 @@ class BootJavaLanguageClient extends JarLanguageClient {
             path.join(__dirname, '..', 'server'),
             'boot-java-language-server.jar'
         );
+        this.DEBUG = true;
     }
 
     getGrammarScopes() {
@@ -32,6 +37,28 @@ class BootJavaLanguageClient extends JarLanguageClient {
         super.activate();
     }
 
+    compatibleJavaVersion(javaExecutablePath) {
+        return super.compatibleJavaVersion(javaExecutablePath).then(version => {
+            this.fileExists(`${javaExecutablePath}/bin/${this.correctBinname('javac')}`).then(exists => {
+                if (!exists) {
+                    const notification = atom.notifications.addWarning(`"Boot-Java" Package Functionality Limited`, {
+                        dismissable: true,
+                        detail: 'No JDK found',
+                        description: 'JAVA_HOME environment variable does not point to JDK hence Boot Hints are unavailable',
+                        buttons: [{
+                            text: 'OK',
+                            onDidClick: () => {
+                                notification.dismiss()
+                            },
+                        }],
+                    });
+                }
+            });
+            return version;
+        });
+    }
+
+
     launchVmArgs(version) {
         return [
             '-Dorg.slf4j.simpleLogger.logFile=boot-java.log',
@@ -42,6 +69,59 @@ class BootJavaLanguageClient extends JarLanguageClient {
 
     }
 
+    createStsAdapter() {
+        return new BootStsAdapter();
+    }
+
+}
+
+class BootStsAdapter extends StsAdapter {
+
+    constructor() {
+        super();
+    }
+
+    onHighlight(params) {
+        this.findEditors(params.doc.uri).forEach(editor => this.markHintsForEditor(editor, params.ranges));
+    }
+
+    markHintsForEditor(editor, ranges) {
+        editor.findMarkers(BOOT_DATA_MARKER_TYPE).forEach(m => m.destroy());
+        if (Array.isArray(ranges)) {
+            ranges.forEach(range => this.createHintMarker(editor, range));
+        }
+        const gutter = editor.gutterWithName(BOOT_HINT_GUTTER_NAME);
+        if (gutter) {
+            if (!ranges || !ranges.length) {
+                gutter.hide();
+            } else if (!gutter.isVisible()) {
+                gutter.show();
+            }
+        }
+    }
+
+    createHintMarker(editor, range) {
+        // Create marker model
+        const marker = editor.markBufferRange(Convert.lsRangeToAtomRange(range), BOOT_DATA_MARKER_TYPE);
+
+        // Marker around the text in the editor
+        editor.decorateMarker(marker, {
+            type: 'highlight',
+            class: 'boot-hint'
+        });
+
+        // Marker in the diagnostic gutter
+        let gutter = editor.gutterWithName(BOOT_HINT_GUTTER_NAME);
+        if (!gutter) {
+            gutter = editor.addGutter({
+                name: BOOT_HINT_GUTTER_NAME,
+                visible: false,
+            });
+        }
+        const iconElement = document.createElement('span');
+        iconElement.setAttribute('class', 'gutter-boot-hint');
+        gutter.decorateMarker(marker, {item: iconElement});
+    }
 }
 
 module.exports = new BootJavaLanguageClient();

atom-extensions/atom-boot-java/package.json

@@ -17,7 +17,7 @@
   "dependencies": {
     "atom-package-deps": "^4.6.0",
     "download": "^6.2.5",
-    "pivotal-atom-languageclient-commons": "0.0.11"
+    "pivotal-atom-languageclient-commons": "0.0.12"
   },
   "devDependencies": {
     "coffeelint": "^1.10.1"

atom-extensions/atom-boot-java/styles/hints.atom-text-editor.less

@@ -0,0 +1,16 @@
+.boot-hint .region {
+  border-color: #32BA56;
+  border-style: dotted;
+  border-width: 1px;
+}
+
+atom-text-editor::shadow {
+  .gutter-boot-hint:before {
+    content: url("atom://boot-java/styles/boot-icon.png");
+    display: block;
+    width: 10px;
+    height: 1em;
+    margin: 0 2px 0 0;
+    float: left;
+  }
+}