eclipse-wildwebdeveloper · mickaelistria · Oct 31, 2025 · Oct 30, 2025
diff --git a/...bdeveloper/src/org/eclipse/wildwebdeveloper/debug/AbstractDebugAdapterLaunchShortcut.java b/...bdeveloper/src/org/eclipse/wildwebdeveloper/debug/AbstractDebugAdapterLaunchShortcut.java
@@ -6,7 +6,7 @@
  * which is available at https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
- * 
+ *
  * Contributors:
  *   Pierre-Yves B. - Issue #309 Launch called from the wrong thread
  *******************************************************************************/
@@ -43,6 +43,7 @@
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.wildwebdeveloper.util.FileUtils;
 
 public abstract class AbstractDebugAdapterLaunchShortcut implements ILaunchShortcut2 {
 
@@ -156,7 +157,7 @@ private void launch(String mode, ILaunchConfiguration[] configurations, File lau
 						DebugUITools.launch(configuration, mode);
 					} else {
 						if (DebugUIPlugin.openLaunchConfigurationEditDialog(Display.getCurrent().getActiveShell(), configuration, DebugUITools.getLaunchGroup(configuration, mode).getIdentifier(), null, true) == IDialogConstants.OK_ID) {
-							DebugUITools.launch(configuration, mode);	
+							DebugUITools.launch(configuration, mode);
 						}
 					}
 				});
@@ -202,15 +203,15 @@ private ILaunchConfigurationWorkingCopy createNewLaunchConfiguration(File file)
 		String configName = launchManager.generateLaunchConfigurationName(file.getAbsolutePath());
 		ILaunchConfigurationWorkingCopy wc = configType.newInstance(null, configName);
 		wc.setAttribute(DebugPlugin.ATTR_WORKING_DIRECTORY, file.getParentFile().getAbsolutePath());
-		wc.setMappedResources(ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(file.toURI()));
+		wc.setMappedResources(ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(FileUtils.toUri(file)));
 		configureLaunchConfiguration(file, wc);
 		return wc;
 	}
 
 	/**
 	 * Takes a working copy of a launch configuration and sets the default
 	 * attributes according to provided file
-	 * 
+	 *
 	 * @param file
 	 * @param wc
 	 */

diff --git a/...ipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/debug/AbstractRunHTMLDebugTab.java b/...ipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/debug/AbstractRunHTMLDebugTab.java
@@ -56,9 +56,10 @@
 import org.eclipse.wildwebdeveloper.Activator;
 import org.eclipse.wildwebdeveloper.debug.chrome.ChromeRunDAPDebugDelegate;
 import org.eclipse.wildwebdeveloper.debug.chrome.ChromeRunDebugLaunchShortcut;
+import org.eclipse.wildwebdeveloper.util.FileUtils;
 
 public abstract class AbstractRunHTMLDebugTab extends AbstractLaunchConfigurationTab {
-	
+
 	private Text programPathText;
 	private Text argumentsText;
 	private Text workingDirectoryText;
@@ -82,8 +83,8 @@ public AbstractRunHTMLDebugTab() {
 	public void createControl(Composite parent) {
 		resComposite = new Composite(parent, SWT.NONE);
 		resComposite.setLayout(new GridLayout(4, false));
-		
-		fileRadio = createRadioButton(resComposite, Messages.FirefoxDebugTab_File); 
+
+		fileRadio = createRadioButton(resComposite, Messages.FirefoxDebugTab_File);
 		fileRadio.setToolTipText(Messages.AbstractRunHTMLDebugTab_fileRadioToolTip);
 		fileRadio.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, false, false));
 		fileRadio.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
@@ -96,7 +97,7 @@ public void createControl(Composite parent) {
 			validateProgramPathAndURL();
 			updateLaunchConfigurationDialog();
 		}));
-		
+
 		this.programPathText = new Text(resComposite, SWT.BORDER);
 		this.programPathText.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, true, false, 2, 1));
 		fileDecoration = new ControlDecoration(programPathText, SWT.TOP | SWT.LEFT);
@@ -118,7 +119,7 @@ public void createControl(Composite parent) {
 				programPathText.setText(path);
 			}
 		}));
-		
+
 		urlRadio = createRadioButton(resComposite, "URL: ");
 		urlRadio.setToolTipText(Messages.RunFirefoxDebugTab_URL_Note);
 		urlRadio.setLayoutData(new GridData(SWT.DEFAULT, SWT.DEFAULT, false, false));
@@ -142,7 +143,7 @@ public void createControl(Composite parent) {
 			validateProgramPathAndURL();
 			updateLaunchConfigurationDialog();
 		});
-		
+
 		new Label(resComposite, SWT.NONE).setText(Messages.AbstractRunHTMLDebugTab_webRoot_folder);
 		webRootText = new Text(resComposite, SWT.BORDER);
 		webRootText.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, true, false));
@@ -232,7 +233,7 @@ public void createControl(Composite parent) {
 
 	private void validateProgramPathAndURL() {
 		setDirty(true);
-		
+
 		setErrorMessage(null);
 		fileDecoration.hide();
 		urlDecoration.hide();
@@ -252,23 +253,23 @@ private void validateProgramPathAndURL() {
 			} catch (CoreException ex) {
 				errorMessage = ex.getMessage();
 			}
-			
+
 			if (errorMessage != null) {
 				setErrorMessage(errorMessage);
 				fileDecoration.setDescriptionText(errorMessage);
 				fileDecoration.show();
 			}
-			
+
 		} else if (urlRadio.getSelection()) {
 			try {
 				new URL(urlText.getText());
 			} catch (MalformedURLException ex) {
 				errorMessage = MessageFormat.format(
-						Messages.RunProgramTab_error_malformedUR, 
+						Messages.RunProgramTab_error_malformedUR,
 						ex.getMessage());
 				urlDecoration.setDescriptionText(errorMessage);
 				urlDecoration.show();
-			}				
+			}
 			boolean showWebRootDecoration = false;
 			if(webRootText.getText().isBlank()) {
 				errorMessage = Messages.AbstractRunHTMLDebugTab_cannot_debug_without_webroot;
@@ -338,9 +339,9 @@ public void initializeFrom(ILaunchConfiguration configuration) {
 				webRootProjectSelectButton.setEnabled(true);
 				webRootFilesystemSelectButton.setEnabled(true);
 			}
-			
+
 			validateProgramPathAndURL();
-			
+
 		} catch (CoreException e) {
 			ILog.get().log(e.getStatus());
 		}
@@ -357,7 +358,7 @@ public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 		configuration.setAttribute(AbstractHTMLDebugDelegate.ARGUMENTS, this.argumentsText.getText());
 		String workingDirectory = this.workingDirectoryText.getText();
 		configuration.setAttribute(DebugPlugin.ATTR_WORKING_DIRECTORY, workingDirectory);
-		configuration.setMappedResources(ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(new File(programPath).toURI()));
+		configuration.setMappedResources(ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(FileUtils.toUri(programPath)));
 	}
 
 	@Override

diff --git a/org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/debug/node/RunProgramTab.java b/org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/debug/node/RunProgramTab.java
@@ -37,6 +37,7 @@
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.wildwebdeveloper.debug.LaunchConstants;
 import org.eclipse.wildwebdeveloper.debug.Messages;
+import org.eclipse.wildwebdeveloper.util.FileUtils;
 
 public class RunProgramTab extends AbstractLaunchConfigurationTab {
 
@@ -127,7 +128,7 @@ public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 		configuration.setAttribute(LaunchConstants.PROGRAM, programPath);
 		configuration.setAttribute(NodeRunDAPDebugDelegate.ARGUMENTS, this.argumentsText.getText());
 		configuration.setAttribute(DebugPlugin.ATTR_WORKING_DIRECTORY, this.workingDirectoryText.getText());
-		configuration.setMappedResources(ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(new File(programPath).toURI()));
+		configuration.setMappedResources(ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(FileUtils.toUri(programPath)));
 	}
 
 	@Override

diff --git a/org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/debug/npm/NpmLaunchTab.java b/org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/debug/npm/NpmLaunchTab.java
@@ -39,6 +39,7 @@
 import org.eclipse.wildwebdeveloper.debug.AbstractDebugAdapterLaunchShortcut;
 import org.eclipse.wildwebdeveloper.debug.AbstractHTMLDebugDelegate;
 import org.eclipse.wildwebdeveloper.debug.LaunchConstants;
+import org.eclipse.wildwebdeveloper.util.FileUtils;
 
 public class NpmLaunchTab extends AbstractLaunchConfigurationTab {
 
@@ -168,7 +169,7 @@ public void performApply(ILaunchConfigurationWorkingCopy configuration) {
 		configuration.setAttribute(LaunchConstants.PROGRAM, programPath);
 		configuration.setAttribute(AbstractHTMLDebugDelegate.ARGUMENTS, this.argumentsCombo.getText());
 		configuration.setAttribute(DebugPlugin.ATTR_WORKING_DIRECTORY, workingDirectory);
-		configuration.setMappedResources(ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(new File(programPath).toURI()));
+		configuration.setMappedResources(ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(FileUtils.toUri(programPath)));
 	}
 
 	@Override

diff --git a/org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/eslint/ESLintClientImpl.java b/org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/eslint/ESLintClientImpl.java
@@ -6,15 +6,13 @@
  * which is available at https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
- * 
+ *
  * Contributors:
  *  Pierre-Yves Bigourdan - Allow configuring directory of ESLint package
  *******************************************************************************/
 package org.eclipse.wildwebdeveloper.eslint;
 
 import java.io.File;
-import java.net.URI;
-import java.net.URISyntaxException;
 import java.net.URL;
 import java.util.Collections;
 import java.util.HashMap;
@@ -32,6 +30,7 @@
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
 import org.eclipse.wildwebdeveloper.jsts.ui.preferences.JSTSPreferenceServerConstants;
+import org.eclipse.wildwebdeveloper.util.FileUtils;
 
 public class ESLintClientImpl extends LanguageClientImpl implements ESLintLanguageServerExtension {
 
@@ -43,7 +42,7 @@ public CompletableFuture<Integer> confirmESLintExecution(Object param) {
 	@Override
 	public CompletableFuture<List<Object>> configuration(ConfigurationParams configurationParams) {
 		ConfigurationItem configurationItem = configurationParams.getItems().get(0);
-		
+
 		Map<String, Object> config = new HashMap<>(6, 1.f);
 
 		// search first for the highest directory that has a package.json file
@@ -52,29 +51,24 @@ public CompletableFuture<List<Object>> configuration(ConfigurationParams configu
 		// until the workspaceFolder which folder is best suited for its workingDirectoy (where the config files are in)
 		// also this workspaceFolder is also used to find the node models (eslint module)
 		// because we set the nodePath below to this same directory.
-		File highestPackageJsonDir = null;
-		try {
-			highestPackageJsonDir = new File(new URI(configurationItem.getScopeUri())).getParentFile();
-			File parentFile = highestPackageJsonDir;
-			while (parentFile != null) {
-				if (new File(parentFile, "package.json").exists()) highestPackageJsonDir = parentFile;
-				parentFile = parentFile.getParentFile();
-			}
-		} catch (URISyntaxException e) {
-			// shouldn't happen else what to do here?
+		File highestPackageJsonDir = FileUtils.fromUri(configurationItem.getScopeUri()).getParentFile();
+		File parentFile = highestPackageJsonDir;
+		while (parentFile != null) {
+			if (new File(parentFile, "package.json").exists()) highestPackageJsonDir = parentFile;
+			parentFile = parentFile.getParentFile();
 		}
-		
-		// `pre-release/2.3.0`: Disable using experimental Flat Config system 
+
+		// `pre-release/2.3.0`: Disable using experimental Flat Config system
 		config.put("experimental", Collections.emptyMap());
 
 		// `pre-release/2.3.0`: Add stub `problems` settings due to:
 		//   ESLint: Cannot read properties of undefined (reading \u0027shortenToSingleLine\u0027). Please see the \u0027ESLint\u0027 output channel for details.
 		config.put("problems", Collections.emptyMap());
 
-		config.put("workspaceFolder", Collections.singletonMap("uri", highestPackageJsonDir.toURI().toString())); 
+		config.put("workspaceFolder", Collections.singletonMap("uri", FileUtils.toUri(highestPackageJsonDir).toString()));
 
 		// if you set a workspaceFolder and then the working dir in auto mode eslint will try to get to the right config location.
-		config.put("workingDirectory", Collections.singletonMap("mode", "auto")); 
+		config.put("workingDirectory", Collections.singletonMap("mode", "auto"));
 
 		// this should not point to a nodejs executable but to a parent directory containing the ESLint package
 		config.put("nodePath",getESLintPackageDir(highestPackageJsonDir));
@@ -83,7 +77,7 @@ public CompletableFuture<List<Object>> configuration(ConfigurationParams configu
 		config.put("run", "onType");
 		config.put("rulesCustomizations", Collections.emptyList());
 
-		config.put("codeAction", Map.of("disableRuleComment", Map.of("enable", "true", "location", "separateLine"), 
+		config.put("codeAction", Map.of("disableRuleComment", Map.of("enable", "true", "location", "separateLine"),
 										"showDocumentation", Collections.singletonMap("enable", "true")));
 		return CompletableFuture.completedFuture(Collections.singletonList(config));
 	}
@@ -112,7 +106,7 @@ public CompletableFuture<Void> eslintStatus(Object o) {
 		// ignore for now
 		return CompletableFuture.completedFuture(null);
 	}
-	
+
 	@Override
 	public CompletableFuture<Void> openDoc(Map<String,String> data) {
 		if (data.containsKey("url")) {
@@ -127,7 +121,7 @@ public CompletableFuture<Void> openDoc(Map<String,String> data) {
 		}
 		return CompletableFuture.completedFuture(null);
 	}
-	
+
 	@Override
 	public CompletableFuture<Void> noLibrary(Map<String,Map<String,String>> data) {
 		MessageParams params = new MessageParams(MessageType.Info, "No ES Library found for file: " + data.get("source").get("uri"));
@@ -137,7 +131,7 @@ public CompletableFuture<Void> noLibrary(Map<String,Map<String,String>> data) {
 
 	@Override
 	public CompletableFuture<Void> noConfig(Map<String, Map<String, String>> data) {
-		MessageParams params = new MessageParams(MessageType.Info, "No ES Configuration found for file: " + data.get("source").get("uri") 
+		MessageParams params = new MessageParams(MessageType.Info, "No ES Configuration found for file: " + data.get("source").get("uri")
 				+ ": " + data.get("message"));
 		logMessage(params);
 		return CompletableFuture.completedFuture(null);

diff --git a/org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/util/FileUtils.java b/org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/util/FileUtils.java
@@ -0,0 +1,57 @@
+/*******************************************************************************
+ * Copyright (c) 2025 Vegard IT GmbH and others.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * Sebastian Thomschke (Vegard IT GmbH) - initial implementation
+ *******************************************************************************/
+package org.eclipse.wildwebdeveloper.util;
+
+import java.io.File;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.file.Paths;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.wildwebdeveloper.Activator;
+
+public class FileUtils {
+	private static final String FILE_SCHEME = "file"; //$NON-NLS-1$
+
+	public static File fromUri(String uri) {
+		// not using `new File(new URI(uri))` here which does not support Windows UNC paths
+		// and instead throws IllegalArgumentException("URI has an authority component")
+		return Paths.get(URI.create(uri)).toFile();
+	}
+
+	public static URI toUri(String filePath) {
+		return toUri(new File(filePath));
+	}
+
+	public static URI toUri(File file) {
+		// copied from org.eclipse.lsp4e.LSPEclipseUtils#toUri(File)
+
+		// URI scheme specified by language server protocol and LSP
+		try {
+			final var path = file.getAbsoluteFile().toURI().getPath();
+			if (path.startsWith("//")) { // UNC path like //localhost/c$/Windows/ //$NON-NLS-1$
+				// split: authority = "localhost", absPath = "/c$/Windows/"
+				final int slash = path.indexOf('/', 2);
+				final String authority = slash > 2 ? path.substring(2, slash) : path.substring(2);
+				final String absPath = slash > 2 ? path.substring(slash) : "/"; //$NON-NLS-1$
+				return new URI(FILE_SCHEME, authority, absPath, null);
+			}
+			return new URI(FILE_SCHEME, "", path, null); //$NON-NLS-1$
+		} catch (URISyntaxException ex) {
+			Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, 0, ex.getMessage(), ex));
+			return file.getAbsoluteFile().toURI();
+		}
+	}
+
+}