Added event firing for OsAccount objects

Core/src/org/sleuthkit/autopsy/casemodule/Case.java

@@ -81,6 +81,8 @@ import org.sleuthkit.autopsy.casemodule.events.ContentTagDeletedEvent;
 import org.sleuthkit.autopsy.casemodule.events.DataSourceAddedEvent;
 import org.sleuthkit.autopsy.casemodule.events.DataSourceDeletedEvent;
 import org.sleuthkit.autopsy.casemodule.events.DataSourceNameChangedEvent;
+import org.sleuthkit.autopsy.casemodule.events.OsAccountAddedEvent;
+import org.sleuthkit.autopsy.casemodule.events.OsAccountChangedEvent;
 import org.sleuthkit.autopsy.casemodule.events.ReportAddedEvent;
 import org.sleuthkit.autopsy.casemodule.multiusercases.CaseNodeData.CaseNodeDataException;
 import org.sleuthkit.autopsy.casemodule.multiusercases.CoordinationServiceUtils;
@@ -128,6 +130,10 @@ import org.sleuthkit.datamodel.ContentTag;
 import org.sleuthkit.datamodel.DataSource;
 import org.sleuthkit.datamodel.FileSystem;
 import org.sleuthkit.datamodel.Image;
+import org.sleuthkit.datamodel.OsAccount;
+import org.sleuthkit.datamodel.OsAccountManager;
+import org.sleuthkit.datamodel.OsAccountManager.OsAccountsAddedEvent;
+import org.sleuthkit.datamodel.OsAccountManager.OsAccountsChangedEvent;
 import org.sleuthkit.datamodel.Report;
 import org.sleuthkit.datamodel.SleuthkitCase;
 import org.sleuthkit.datamodel.TimelineManager;
@@ -409,7 +415,17 @@ public class Case {
          * An item in the central repository has had its comment modified. The
          * old value is null, the new value is string for current comment.
          */
-        CR_COMMENT_CHANGED;
+        CR_COMMENT_CHANGED,
+        /**
+         * OSAccount associated with the current case added. Call getOsAccount
+         * to get the added account;
+         */
+        OS_ACCOUNT_ADDED,
+        /**
+         * OSAccount associated with the current case has changed. 
+         * Call getOsAccount to get the changed account;
+         */
+        OS_ACCOUNT_CHANGED;
 
     };
 
@@ -443,6 +459,20 @@ public class Case {
                         event.getArtifacts(artifactType)));
             }
         }
+        
+        @Subscribe 
+        public void publishOsAccountAddedEvent(OsAccountManager.OsAccountsAddedEvent event) {
+            for(OsAccount account: event.getOsAcounts()) {
+                eventPublisher.publish(new OsAccountAddedEvent(account));
+            }
+        }
+        
+        @Subscribe 
+        public void publishOsAccountAddedEvent(OsAccountManager.OsAccountsChangedEvent event) {
+            for(OsAccount account: event.getOsAcounts()) {
+                eventPublisher.publish(new OsAccountChangedEvent(account));
+            }
+        }
     }
 
     /**
@@ -1640,6 +1670,14 @@ public class Case {
         eventPublisher.publish(new BlackBoardArtifactTagDeletedEvent(deletedTag));
     }
     
+    public void notifyOsAccountAdded(OsAccount account) {
+        eventPublisher.publish(new OsAccountAddedEvent(account));
+    }
+
+    public void notifyOsAccountChanged(OsAccount account) {
+        eventPublisher.publish(new OsAccountChangedEvent(account));
+    }
+ 
     /**
      * Adds a report to the case.
      *

Core/src/org/sleuthkit/autopsy/casemodule/events/OsAccountAddedEvent.java

@@ -0,0 +1,35 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2021 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.casemodule.events;
+
+import org.sleuthkit.autopsy.casemodule.Case;
+import org.sleuthkit.datamodel.OsAccount;
+
+/**
+ *  Event published when an OsAccount is added to a case.
+ */
+public final class OsAccountAddedEvent extends OsAccountEvent {
+
+    private static final long serialVersionUID = 1L;
+    
+    public OsAccountAddedEvent(OsAccount account) {
+        super(Case.Events.OS_ACCOUNT_ADDED.toString(), account);
+    }
+
+}

Core/src/org/sleuthkit/autopsy/casemodule/events/OsAccountChangedEvent.java

@@ -0,0 +1,34 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2021 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.casemodule.events;
+
+import org.sleuthkit.autopsy.casemodule.Case;
+import org.sleuthkit.datamodel.OsAccount;
+
+/**
+ *  Event published when an OsAccount is updated.
+ */
+public final class OsAccountChangedEvent extends OsAccountEvent {
+
+    private static final long serialVersionUID = 1L;
+    
+    public OsAccountChangedEvent(OsAccount account) {
+        super(Case.Events.OS_ACCOUNT_CHANGED.toString(), account);
+    }  
+}

Core/src/org/sleuthkit/autopsy/casemodule/events/OsAccountEvent.java

@@ -0,0 +1,64 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2021 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.casemodule.events;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.sleuthkit.datamodel.OsAccount;
+import org.sleuthkit.datamodel.SleuthkitCase;
+import org.sleuthkit.datamodel.TskCoreException;
+
+/**
+ *  Parent class for specific OsAccount event classes.
+ */
+class OsAccountEvent extends TskDataModelChangeEvent<OsAccount> {
+
+    private static final long serialVersionUID = 1L;
+    
+    /**
+     * Construct a new OsAccountEvent.
+     * 
+     * @param eventName The name of the event.
+     * @param account   The OsAccount the event applies to.
+     */
+    OsAccountEvent(String eventName, OsAccount account) {
+        super(eventName, Stream.of(account.getId()).collect(Collectors.toList()), Stream.of(account).collect(Collectors.toList()));
+    }
+    
+    /**
+     * Returns the OsAccount that changed.
+     * 
+     * @return The OsAccount that was changed.
+     */
+    public OsAccount getOsAccount() {
+        List<OsAccount> accounts = getNewValue();
+        return accounts.get(0);
+    }
+
+    @Override
+    protected List<OsAccount> getDataModelObjects(SleuthkitCase caseDb, List<Long> ids) throws TskCoreException {
+        Long id = ids.get(0);
+        OsAccount account = caseDb.getOsAccountManager().getOsAccount(id);
+        List<OsAccount> accounts = new ArrayList<>();
+        accounts.add(account);
+        return accounts;
+    } 
+}

Core/src/org/sleuthkit/autopsy/casemodule/events/TskDataModelChangeEvent.java

@@ -75,8 +75,8 @@ public abstract class TskDataModelChangeEvent<T> extends AutopsyEvent {
      *
      * @return The unique IDs.
      */
-    public final List<T> getDataModelObjectIds() {
+    public final List<Long> getDataModelObjectIds() {
-        return Collections.unmodifiableList(dataModelObjects);
+        return Collections.unmodifiableList(dataModelObjectIds);
     }
 
     /**