eclipse-platform · MatthewKhouzam · Apr 22, 2026
diff --git a/runtime/bundles/org.eclipse.core.llm/.classpath b/runtime/bundles/org.eclipse.core.llm/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/runtime/bundles/org.eclipse.core.llm/.project b/runtime/bundles/org.eclipse.core.llm/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.core.llm</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/runtime/bundles/org.eclipse.core.llm/META-INF/MANIFEST.MF b/runtime/bundles/org.eclipse.core.llm/META-INF/MANIFEST.MF
@@ -0,0 +1,11 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Core LLM
+Bundle-SymbolicName: org.eclipse.core.llm;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-Vendor: Eclipse.org
+Export-Package: org.eclipse.core.llm
+Require-Bundle: org.eclipse.swt,
+ org.eclipse.jface
+Bundle-RequiredExecutionEnvironment: JavaSE-21
+Automatic-Module-Name: org.eclipse.core.llm
diff --git a/runtime/bundles/org.eclipse.core.llm/about.html b/runtime/bundles/org.eclipse.core.llm/about.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>About</title>
+</head>
+<body lang="EN-US">
+<h2>About This Content</h2>
+<p>The Eclipse Foundation makes available all content in this plug-in
+("Content"). Unless otherwise indicated below, the Content is provided
+to you under the terms and conditions of the Eclipse Public License
+Version 2.0 ("EPL"). A copy of the EPL is available at
+<a href="https://www.eclipse.org/legal/epl-2.0/">https://www.eclipse.org/legal/epl-2.0/</a>.</p>
+</body>
+</html>
diff --git a/runtime/bundles/org.eclipse.core.llm/build.properties b/runtime/bundles/org.eclipse.core.llm/build.properties
@@ -0,0 +1,6 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .,\
+               about.html
+src.includes = about.html
diff --git a/runtime/bundles/org.eclipse.core.llm/src/org/eclipse/core/llm/LlmConfigurationDialog.java b/runtime/bundles/org.eclipse.core.llm/src/org/eclipse/core/llm/LlmConfigurationDialog.java
@@ -0,0 +1,82 @@
+/*******************************************************************************
+ * Copyright (c) 2026 Ericsson
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package org.eclipse.core.llm;
+
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IDialogConstants;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+
+/**
+ * Simple JFace dialog to configure the URL and model name of a {@link LlmModel}.
+ * Retrieve the result with {@link #getModel()} after {@link #open()} returns
+ * {@link org.eclipse.jface.window.Window#OK}.
+ */
+public class LlmConfigurationDialog extends Dialog {
+
+	private String url;
+	private String model;
+	private Text urlText;
+	private Text modelText;
+	private LlmModel result;
+
+	public LlmConfigurationDialog(Shell parent, LlmModel initial) {
+		super(parent);
+		this.url = initial != null ? initial.url() : ""; //$NON-NLS-1$
+		this.model = initial != null ? initial.model() : ""; //$NON-NLS-1$
+	}
+
+	public LlmModel getModel() {
+		return result;
+	}
+
+	@Override
+	protected void configureShell(Shell shell) {
+		super.configureShell(shell);
+		shell.setText("LLM Configuration"); //$NON-NLS-1$
+	}
+
+	@Override
+	protected Control createDialogArea(Composite parent) {
+		Composite area = (Composite) super.createDialogArea(parent);
+		Composite c = new Composite(area, SWT.NONE);
+		c.setLayout(new GridLayout(2, false));
+		c.setLayoutData(new GridData(GridData.FILL_BOTH));
+
+		new Label(c, SWT.NONE).setText("URL:"); //$NON-NLS-1$
+		urlText = new Text(c, SWT.BORDER);
+		urlText.setText(url);
+		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
+		gd.widthHint = 320;
+		urlText.setLayoutData(gd);
+
+		new Label(c, SWT.NONE).setText("Model:"); //$NON-NLS-1$
+		modelText = new Text(c, SWT.BORDER);
+		modelText.setText(model);
+		modelText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+
+		return area;
+	}
+
+	@Override
+	protected void buttonPressed(int buttonId) {
+		if (buttonId == IDialogConstants.OK_ID) {
+			result = new LlmModel(urlText.getText().trim(), modelText.getText().trim());
+		}
+		super.buttonPressed(buttonId);
+	}
+}
diff --git a/runtime/bundles/org.eclipse.core.llm/src/org/eclipse/core/llm/LlmModel.java b/runtime/bundles/org.eclipse.core.llm/src/org/eclipse/core/llm/LlmModel.java
@@ -0,0 +1,93 @@
+/*******************************************************************************
+ * Copyright (c) 2026 Ericsson
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package org.eclipse.core.llm;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.time.Duration;
+
+import org.eclipse.swt.widgets.Display;
+
+/**
+ * Minimal LLM client. An instance is configured with the endpoint URL and the
+ * model name and exposes {@link #infer(String)} to query the model.
+ * <p>
+ * {@link #infer(String)} performs a blocking HTTP request and must never be
+ * invoked from the SWT UI thread; doing so throws {@link IllegalStateException}.
+ * </p>
+ */
+public final class LlmModel {
+
+	private final String url;
+	private final String model;
+
+	public LlmModel(String url, String model) {
+		this.url = url;
+		this.model = model;
+	}
+
+	public String url() {
+		return url;
+	}
+
+	public String model() {
+		return model;
+	}
+
+	/**
+	 * Send {@code prompt} to the configured LLM and return the raw response body.
+	 *
+	 * @throws IllegalStateException if invoked from the SWT UI thread
+	 * @throws IOException           if the HTTP call fails
+	 */
+	public String infer(String prompt) throws IOException, InterruptedException {
+		if (Display.getCurrent() != null) {
+			throw new IllegalStateException("LlmModel.infer must not be called from the UI thread"); //$NON-NLS-1$
+		}
+		String body = "{\"model\":\"" + escape(model) + "\",\"prompt\":\"" + escape(prompt) + "\",\"stream\":false}"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+		HttpRequest request = HttpRequest.newBuilder(URI.create(url))
+				.timeout(Duration.ofMinutes(2))
+				.header("Content-Type", "application/json") //$NON-NLS-1$ //$NON-NLS-2$
+				.POST(HttpRequest.BodyPublishers.ofString(body))
+				.build();
+		HttpResponse<String> response = HttpClient.newHttpClient()
+				.send(request, HttpResponse.BodyHandlers.ofString());
+		if (response.statusCode() / 100 != 2) {
+			throw new IOException("LLM request failed: HTTP " + response.statusCode() + " - " + response.body()); //$NON-NLS-1$ //$NON-NLS-2$
+		}
+		return response.body();
+	}
+
+	private static String escape(String s) {
+		StringBuilder sb = new StringBuilder(s.length() + 8);
+		for (int i = 0; i < s.length(); i++) {
+			char c = s.charAt(i);
+			switch (c) {
+				case '"' -> sb.append("\\\""); //$NON-NLS-1$
+				case '\\' -> sb.append("\\\\"); //$NON-NLS-1$
+				case '\n' -> sb.append("\\n"); //$NON-NLS-1$
+				case '\r' -> sb.append("\\r"); //$NON-NLS-1$
+				case '\t' -> sb.append("\\t"); //$NON-NLS-1$
+				default -> {
+					if (c < 0x20) {
+						sb.append(String.format("\\u%04x", (int) c)); //$NON-NLS-1$
+					} else {
+						sb.append(c);
+					}
+				}
+			}
+		}
+		return sb.toString();
+	}
+}
diff --git a/runtime/tests/org.eclipse.core.llm.tests/.classpath b/runtime/tests/org.eclipse.core.llm.tests/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/runtime/tests/org.eclipse.core.llm.tests/.project b/runtime/tests/org.eclipse.core.llm.tests/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.core.llm.tests</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+	</natures>
+</projectDescription>
diff --git a/runtime/tests/org.eclipse.core.llm.tests/META-INF/MANIFEST.MF b/runtime/tests/org.eclipse.core.llm.tests/META-INF/MANIFEST.MF
@@ -0,0 +1,14 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Core LLM Tests
+Bundle-SymbolicName: org.eclipse.core.llm.tests;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-Vendor: Eclipse.org
+Require-Bundle: org.eclipse.core.llm,
+ org.eclipse.swt,
+ org.eclipse.jface
+Import-Package: com.sun.net.httpserver,
+ org.junit.jupiter.api;version="[5.14.0,6.0.0)"
+Bundle-RequiredExecutionEnvironment: JavaSE-21
+Bundle-ActivationPolicy: lazy
+Automatic-Module-Name: org.eclipse.core.llm.tests
diff --git a/runtime/tests/org.eclipse.core.llm.tests/about.html b/runtime/tests/org.eclipse.core.llm.tests/about.html
@@ -0,0 +1,8 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>About</title></head>
+<body lang="EN-US">
+<h2>About This Content</h2>
+<p>The Eclipse Foundation makes available all content in this plug-in ("Content") under the Eclipse Public License Version 2.0
+(<a href="https://www.eclipse.org/legal/epl-2.0/">https://www.eclipse.org/legal/epl-2.0/</a>).</p>
+</body></html>
diff --git a/runtime/tests/org.eclipse.core.llm.tests/build.properties b/runtime/tests/org.eclipse.core.llm.tests/build.properties
@@ -0,0 +1,6 @@
+source.. = src/
+output.. = bin/
+bin.includes = .,\
+               META-INF/,\
+               about.html
+src.includes = about.html