[MRM-1238] - NPE when updating consumers of known content without setting any of the checkboxes (enabled)

- added null checks
- added unit tests

Submitted by: Gwen Harold Autencio



git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@813473 13f79535-47bb-0310-9956-ffa450edef68

archiva-modules/archiva-web/archiva-webapp/src/main/java/org/apache/maven/archiva/web/action/admin/scanning/RepositoryScanningAction.java

@@ -251,8 +251,15 @@ public class RepositoryScanningAction
         archivaConfiguration.getConfiguration().getRepositoryScanning().setInvalidContentConsumers(
             enabledInvalidContentConsumers );
         
-        filterAddedConsumers( oldConsumers, enabledInvalidContentConsumers );
+        if ( enabledInvalidContentConsumers != null )
-        filterRemovedConsumers( oldConsumers, enabledInvalidContentConsumers );
+        {
+            filterAddedConsumers( oldConsumers, enabledInvalidContentConsumers );
+            filterRemovedConsumers( oldConsumers, enabledInvalidContentConsumers );    
+        }
+        else
+        {
+            disableAllEnabledConsumers( oldConsumers );
+        }
 
         return saveConfiguration();
     }
@@ -266,8 +273,15 @@ public class RepositoryScanningAction
         archivaConfiguration.getConfiguration().getRepositoryScanning().setKnownContentConsumers(
             enabledKnownContentConsumers );
         
-        filterAddedConsumers( oldConsumers, enabledKnownContentConsumers );
+        if ( enabledKnownContentConsumers != null )
-        filterRemovedConsumers( oldConsumers, enabledKnownContentConsumers );
+        {
+            filterAddedConsumers( oldConsumers, enabledKnownContentConsumers );
+            filterRemovedConsumers( oldConsumers, enabledKnownContentConsumers );            
+        }
+        else
+        {
+            disableAllEnabledConsumers( oldConsumers );
+        }
 
         return saveConfiguration();
     }
@@ -335,6 +349,14 @@ public class RepositoryScanningAction
             }
         }
     }
+    
+    private void disableAllEnabledConsumers( List<String> consumers )
+    {
+        for ( String consumer : consumers )
+        {
+            triggerAuditEvent( AuditEvent.DISABLE_REPO_CONSUMER + " " + consumer );
+        }
+    }
 
     public List<String> getEnabledInvalidContentConsumers()
     {
@@ -355,4 +377,14 @@ public class RepositoryScanningAction
     {
         this.enabledKnownContentConsumers = enabledKnownContentConsumers;
     }
+    
+    public ArchivaConfiguration getArchivaConfiguration()
+    {
+        return archivaConfiguration;
+    }
+    
+    public void setArchivaConfiguration( ArchivaConfiguration archivaConfiguration )
+    {
+        this.archivaConfiguration = archivaConfiguration;
+    }
 }

archiva-modules/archiva-web/archiva-webapp/src/test/java/org/apache/maven/archiva/web/action/admin/scanning/RepositoryScanningActionTest.java

@@ -0,0 +1,125 @@
+package org.apache.maven.archiva.web.action.admin.scanning;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.maven.archiva.configuration.ArchivaConfiguration;
+import org.apache.maven.archiva.configuration.Configuration;
+import org.apache.maven.archiva.configuration.DatabaseScanningConfiguration;
+import org.apache.maven.archiva.configuration.RepositoryScanningConfiguration;
+import org.apache.maven.archiva.web.action.admin.scanning.RepositoryScanningAction;
+import org.codehaus.plexus.spring.PlexusInSpringTestCase;
+import org.easymock.MockControl;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+public class RepositoryScanningActionTest
+    extends PlexusInSpringTestCase
+{
+    private RepositoryScanningAction action;
+    
+    private MockControl archivaConfigControl;
+    
+    private ArchivaConfiguration archivaConfig;
+    
+    private Configuration config;
+    
+    protected void setUp() 
+    throws Exception
+    {
+        
+        super.setUp();
+    
+        archivaConfigControl = MockControl.createControl( ArchivaConfiguration.class );
+        archivaConfig = (ArchivaConfiguration) archivaConfigControl.getMock();
+    
+        action = new RepositoryScanningAction();
+    
+        config = new Configuration();
+        
+        RepositoryScanningConfiguration repositoryScanningConfig = new RepositoryScanningConfiguration( );
+        
+        repositoryScanningConfig.setKnownContentConsumers( createKnownContentConsumersList() );
+        
+        config.setRepositoryScanning( repositoryScanningConfig );
+
+        action.setArchivaConfiguration( archivaConfig );
+    }
+     
+    public void testUpdateKnownConsumers()
+        throws Exception
+    {
+        archivaConfigControl.expectAndReturn( archivaConfig.getConfiguration(), config );
+        archivaConfigControl.expectAndReturn( archivaConfig.getConfiguration(), config );
+        archivaConfigControl.expectAndReturn( archivaConfig.getConfiguration(), config );
+        
+        archivaConfig.save( config );
+        archivaConfigControl.replay();
+        
+        setEnabledKnownContentConsumers();
+        
+        String returnString = action.updateKnownConsumers();
+        
+        List<String> results = config.getRepositoryScanning().getKnownContentConsumers();
+        
+        assertEquals( action.SUCCESS, returnString );
+        assertEquals( 8, results.size() );
+    }
+    
+    public void testDisableAllKnownConsumers()
+        throws Exception
+    {
+        archivaConfigControl.expectAndReturn( archivaConfig.getConfiguration(), config );
+        archivaConfigControl.expectAndReturn( archivaConfig.getConfiguration(), config );
+        archivaConfigControl.expectAndReturn( archivaConfig.getConfiguration(), config );
+        
+        archivaConfig.save( config );
+        archivaConfigControl.replay();
+        
+        action.setEnabledKnownContentConsumers( null );
+        
+        String returnString = action.updateKnownConsumers();
+        
+        List<String> results = config.getRepositoryScanning().getKnownContentConsumers();
+        
+        assertEquals( action.SUCCESS, returnString );
+        assertEquals( 0, results.size() );
+    }
+    
+    private void setEnabledKnownContentConsumers()
+    {
+        action.setEnabledKnownContentConsumers( createKnownContentConsumersList() );
+    }
+    
+    private List<String> createKnownContentConsumersList( )
+    {
+        List<String> knownContentConsumers = new ArrayList<String>();
+        knownContentConsumers.add( "auto-remove" );
+        knownContentConsumers.add( "auto-rename" );
+        knownContentConsumers.add( "create-missing-checksums" );
+        knownContentConsumers.add( "index-content" );
+        knownContentConsumers.add( "metadata-updater" );
+        knownContentConsumers.add( "repository-purge" );
+        knownContentConsumers.add( "update-db-artifact" );
+        knownContentConsumers.add( "validate-checksums" );
+        
+        return knownContentConsumers;
+    }
+}