Fix typo in breakpoint attribute

Preserve attribute value "Persistent" for backward compatibility

Author: SougandhS

debug/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/importexport/breakpoints/IImportExportConstants.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2009 IBM Corporation and others.
+ * Copyright (c) 2000, 2025 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -136,7 +136,7 @@ public interface IImportExportConstants {
 	/**
 	 * The name of the persistent attribute for breakpoint information
 	 */
-	String IE_BP_PERSISTANT = "persistant"; //$NON-NLS-1$
+	String IE_BP_PERSISTENT = "persistent"; //$NON-NLS-1$
 
 	/**
 	 * The default file extension for breakpoint export files

debug/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/actions/ExportBreakpointsOperation.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2022 IBM Corporation and others.
+ * Copyright (c) 2005, 2025 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -100,7 +100,7 @@ public void run(IProgressMonitor monitor) throws InvocationTargetException {
 				IMemento root = memento.createChild(IImportExportConstants.IE_NODE_BREAKPOINT);
 				root.putString(IImportExportConstants.IE_BP_ENABLED, Boolean.toString(breakpoint.isEnabled()));
 				root.putString(IImportExportConstants.IE_BP_REGISTERED, Boolean.toString(breakpoint.isRegistered()));
-				root.putString(IImportExportConstants.IE_BP_PERSISTANT, Boolean.toString(breakpoint.isPersisted()));
+				root.putString(IImportExportConstants.IE_BP_PERSISTENT, Boolean.toString(breakpoint.isPersisted()));
 				//write out the resource information
 				IResource resource = marker.getResource();
 				IMemento child = root.createChild(IImportExportConstants.IE_NODE_RESOURCE);

debug/org.eclipse.debug.ui/ui/org/eclipse/debug/ui/actions/ImportBreakpointsOperation.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2022 IBM Corporation and others.
+ * Copyright (c) 2005, 2025 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -272,7 +272,12 @@ protected Map<String, Object> collectBreakpointProperties(IMemento memento) {
 
 		//collect attributes from the 'breakpoint' node
 		map.put(IImportExportConstants.IE_BP_ENABLED, memento.getBoolean(IImportExportConstants.IE_BP_ENABLED));
-		map.put(IImportExportConstants.IE_BP_PERSISTANT, memento.getBoolean(IImportExportConstants.IE_BP_PERSISTANT));
+		if (memento.getBoolean(IImportExportConstants.IE_BP_PERSISTENT) != null) {
+			map.put(IImportExportConstants.IE_BP_PERSISTENT,
+					memento.getBoolean(IImportExportConstants.IE_BP_PERSISTENT));
+		} else {
+			map.put(IImportExportConstants.IE_BP_PERSISTENT, memento.getBoolean("persistant")); //$NON-NLS-1$
+		}
 		map.put(IImportExportConstants.IE_BP_REGISTERED, memento.getBoolean(IImportExportConstants.IE_BP_REGISTERED));
 
 		//collect attributes from the 'marker' node
@@ -338,7 +343,7 @@ protected void restoreBreakpoint(IMarker marker, final Map<String, Object> attri
 			// create the breakpoint
 			breakpoint = fManager.createBreakpoint(marker);
 			breakpoint.setEnabled(((Boolean)attributes.get(IImportExportConstants.IE_BP_ENABLED)).booleanValue());
-			breakpoint.setPersisted(((Boolean)attributes.get(IImportExportConstants.IE_BP_PERSISTANT)).booleanValue());
+			breakpoint.setPersisted(((Boolean)attributes.get(IImportExportConstants.IE_BP_PERSISTENT)).booleanValue());
 			breakpoint.setRegistered(((Boolean)attributes.get(IImportExportConstants.IE_BP_REGISTERED)).booleanValue());
 			fAdded.add(breakpoint);
 			if (fImportBreakpoints && fCreateWorkingSets && fCurrentWorkingSetProperty != null) {