allowing servlet context listeners to prevent other context listeners from running

webapp/src/edu/cornell/mannlib/vitro/webapp/auth/identifier/UserToIndIdentifierFactorySetup.java

@@ -9,6 +9,8 @@ import javax.servlet.ServletContextListener;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import edu.cornell.mannlib.vitro.webapp.servlet.setup.AbortStartup;
+
 /**
  * Setups context so that Identifiers for Individuals associated with Users are
  * added to requests.
@@ -22,6 +24,11 @@ public class UserToIndIdentifierFactorySetup implements ServletContextListener{
 	private static final Log log = LogFactory.getLog(UserToIndIdentifierFactorySetup.class.getName());
 	
 	public void contextInitialized(ServletContextEvent sce) {
+	    
+        if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		ServletContext sc = sce.getServletContext();
 		 ServletIdentifierBundleFactory
 	     	.addIdentifierBundleFactory(sc, new UserToIndIdentifierFactory());

webapp/src/edu/cornell/mannlib/vitro/webapp/controller/freemarker/FreemarkerSetup.java

@@ -11,6 +11,7 @@ import javax.servlet.ServletContextListener;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import edu.cornell.mannlib.vitro.webapp.servlet.setup.AbortStartup;
 import edu.cornell.mannlib.vitro.webapp.web.templatemodels.BaseTemplateModel;
 import freemarker.template.Configuration;
 
@@ -20,6 +21,10 @@ public class FreemarkerSetup implements ServletContextListener {
 
 	public void contextInitialized(ServletContextEvent event) {	
 
+        if (AbortStartup.isStartupAborted(event.getServletContext())) {
+            return;
+        }
+	    
 		ServletContext sc = event.getServletContext();	
 		sc.setAttribute("themeToConfigMap", new HashMap<String, Configuration>());
         BaseTemplateModel.setServletContext(sc);

webapp/src/edu/cornell/mannlib/vitro/webapp/search/lucene/LuceneSetup.java

@@ -36,6 +36,7 @@ import edu.cornell.mannlib.vitro.webapp.dao.jena.SearchReindexingListener;
 import edu.cornell.mannlib.vitro.webapp.search.beans.ObjectSourceIface;
 import edu.cornell.mannlib.vitro.webapp.search.beans.ProhibitedFromSearch;
 import edu.cornell.mannlib.vitro.webapp.search.indexing.IndexBuilder;
+import edu.cornell.mannlib.vitro.webapp.servlet.setup.AbortStartup;
 import edu.cornell.mannlib.vitro.webapp.dao.DisplayVocabulary;
 
 /**
@@ -68,6 +69,11 @@ public class LuceneSetup implements javax.servlet.ServletContextListener {
 	 * created.
 	 */
 	public void contextInitialized(ServletContextEvent sce) {
+	    
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {
 			ServletContext context = sce.getServletContext();
 

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/AbortStartup.java

@@ -0,0 +1,25 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.webapp.servlet.setup;
+
+import javax.servlet.ServletContext;
+
+public class AbortStartup {
+
+    private static final String ATTRIBUTE_NAME = AbortStartup.class.getName();
+    
+    /**
+     * Sets a context attribute to prevent other context listeners from running.
+     */
+    public static void abortStartup(ServletContext context) {
+        context.setAttribute(ATTRIBUTE_NAME, new Boolean(true));
+    }
+    
+    /**
+     * Checks whether a previous context listener has caused startup to be aborted.
+     */
+    public static boolean isStartupAborted(ServletContext context) {
+        return (context.getAttribute(ATTRIBUTE_NAME) != null);
+    }
+    
+}

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/AssembleModelsSetup.java

@@ -42,6 +42,11 @@ public class AssembleModelsSetup implements ServletContextListener {
 	private String SYNTAX = "N3";
 	
 	public void contextInitialized(ServletContextEvent sce) {
+	    
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+	        return;
+	    }
+	    
 		OntModel jenaOntModel = null;
 		try {
 			jenaOntModel = (OntModel) sce.getServletContext().getAttribute("baseOntModel");

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/AttachSubmodels.java

@@ -28,6 +28,11 @@ public class AttachSubmodels implements ServletContextListener {
 	private static final Log log = LogFactory.getLog( AttachSubmodels.class );
 	
 	public void contextInitialized( ServletContextEvent sce ) {
+	    
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {
 		    
 		    //FIXME refactor this

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/DefaultThemeSetup.java

@@ -16,6 +16,10 @@ public class DefaultThemeSetup implements ServletContextListener {
 	// Set default theme based on themes present on the file system
 	public void contextInitialized(ServletContextEvent event) {
 
+	    if (AbortStartup.isStartupAborted(event.getServletContext())) {
+            return;
+        }
+	    
     	// Find the themes directory in the file system
 		ServletContext sc = event.getServletContext();		
     	boolean doSort = true;

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/FileGraphSetup.java

@@ -41,6 +41,10 @@ public class FileGraphSetup implements ServletContextListener {
 		
 	public void contextInitialized(ServletContextEvent sce) {
 		
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {
 			OntModelSelectorImpl baseOms = (OntModelSelectorImpl) sce.getServletContext().getAttribute("baseOntModelSelector");
 			Store kbStore = (Store) sce.getServletContext().getAttribute("kbStore");

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/HeapDefragement.java

@@ -25,6 +25,11 @@ public class HeapDefragement implements ServletContextListener {
     
     @Override
     public void contextInitialized(ServletContextEvent arg0) {
+        
+        if (AbortStartup.isStartupAborted(arg0.getServletContext())) {
+            return;
+        }
+        
         try{
             log.info("Calling System.gc() to defragement the heap.");
             long start = System.currentTimeMillis();

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/JenaDataSourceSetup.java

@@ -44,6 +44,11 @@ public class JenaDataSourceSetup extends JenaDataSourceSetupBase implements java
 	private static final Log log = LogFactory.getLog(JenaDataSourceSetup.class.getName());
 	
     public void contextInitialized(ServletContextEvent sce) {
+        
+        if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+        
         try {
             
             String tripleStoreTypeStr = 

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/JenaDataSourceSetupSDB.java

@@ -60,6 +60,11 @@ public class JenaDataSourceSetupSDB extends JenaDataSourceSetupBase implements j
     private static final Log log = LogFactory.getLog(JenaDataSourceSetupSDB.class);
     
     public void contextInitialized(ServletContextEvent sce) {
+        
+        if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+        
         try {
 
             // JenaPersistentDataSourceSetup should have already set this up - it just sets

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/JenaPersistentDataSourceSetup.java

@@ -28,6 +28,10 @@ public class JenaPersistentDataSourceSetup extends JenaDataSourceSetupBase
 	
 	public void contextInitialized(ServletContextEvent sce) {
 		
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		Model dbModel;
 		OntModel memModel = ModelFactory.createOntologyModel(
                 this.DB_ONT_MODEL_SPEC);	

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/NamespacePrefixMapSetup.java

@@ -13,6 +13,11 @@ import com.hp.hpl.jena.rdf.model.Model;
 public class NamespacePrefixMapSetup implements ServletContextListener {
 	
 	public void contextInitialized(ServletContextEvent sce) {
+	    
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		HashMap<String,String> prefixToNamespace = new HashMap<String,String>();
 		HashMap<String,String> namespaceToPrefix = new HashMap<String,String>();
 		Model model = (Model) sce.getServletContext().getAttribute("jenaOntModel");

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/NightlyDefragement.java

@@ -61,6 +61,11 @@ public class NightlyDefragement implements ServletContextListener, Runnable {
     
     @Override
     public void contextInitialized(ServletContextEvent arg0) {
+        
+        if (AbortStartup.isStartupAborted(arg0.getServletContext())) {
+            return;
+        }
+        
         lastRun = new DateTime().minusHours( 400 );
         if( nightlyDefragement != null ){
             log.warn("NightlyDefragement listener has already been setup. Check your web.xml for duplicate listeners.");            

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/PelletReasonerSetup.java

@@ -26,6 +26,10 @@ public class PelletReasonerSetup implements ServletContextListener {
 	
 	public void contextInitialized(ServletContextEvent sce) {
 		
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {	
 			
 	        //FIXME refactor this

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/PelletReasonerSetupComplete.java

@@ -21,36 +21,40 @@ public class PelletReasonerSetupComplete implements ServletContextListener {
 	
 	public void contextInitialized(ServletContextEvent sce) {
 		
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {	
 			
-		OntModel memoryModel = (OntModel) sce.getServletContext().getAttribute("jenaOntModel");
+    		OntModel memoryModel = (OntModel) sce.getServletContext().getAttribute("jenaOntModel");
-		OntModel baseModel = (OntModel) sce.getServletContext().getAttribute("baseOntModel");
+    		OntModel baseModel = (OntModel) sce.getServletContext().getAttribute("baseOntModel");
-		OntModel inferenceModel = (OntModel) sce.getServletContext().getAttribute("inferenceOntModel");
+    		OntModel inferenceModel = (OntModel) sce.getServletContext().getAttribute("inferenceOntModel");
     		
-		if (!baseModel.getProfile().NAMESPACE().equals(OWL.NAMESPACE.getNameSpace())) {		
+    		if (!baseModel.getProfile().NAMESPACE().equals(OWL.NAMESPACE.getNameSpace())) {		
-			log.error("Not connecting Pellet reasoner - base model is not an OWL model");
+    			log.error("Not connecting Pellet reasoner - base model is not an OWL model");
-			return;
+    			return;
-		}       
+    		}       
             
-        // Set various options
+            // Set various options
-		PelletOptions.DL_SAFE_RULES = true;
+    		PelletOptions.DL_SAFE_RULES = true;
-        PelletOptions.USE_COMPLETION_QUEUE = true;
+            PelletOptions.USE_COMPLETION_QUEUE = true;
-        PelletOptions.USE_TRACING = true;
+            PelletOptions.USE_TRACING = true;
-        PelletOptions.TRACK_BRANCH_EFFECTS = true;
+            PelletOptions.TRACK_BRANCH_EFFECTS = true;
-        PelletOptions.USE_INCREMENTAL_CONSISTENCY = true;
+            PelletOptions.USE_INCREMENTAL_CONSISTENCY = true;
-        PelletOptions.USE_INCREMENTAL_DELETION = true;
+            PelletOptions.USE_INCREMENTAL_DELETION = true;
             
-        // Pellet 2.0-RC5 is buggy with incremental reasoning through Jena
+            // Pellet 2.0-RC5 is buggy with incremental reasoning through Jena
-        //PelletOptions.USE_INCREMENTAL_CONSISTENCY = true;
+            //PelletOptions.USE_INCREMENTAL_CONSISTENCY = true;
-        //PelletOptions.USE_INCREMENTAL_DELETION = true;
+            //PelletOptions.USE_INCREMENTAL_DELETION = true;
-        ReasonerConfiguration config = ReasonerConfiguration.COMPLETE;
+            ReasonerConfiguration config = ReasonerConfiguration.COMPLETE;
-        config.setIncrementalReasongingEnabled(false);
+            config.setIncrementalReasongingEnabled(false);
             
-        PelletListener pelletListener = new PelletListener(memoryModel,baseModel,inferenceModel,config);
+            PelletListener pelletListener = new PelletListener(memoryModel,baseModel,inferenceModel,config);
-        sce.getServletContext().setAttribute("pelletListener",pelletListener);
+            sce.getServletContext().setAttribute("pelletListener",pelletListener);
-        sce.getServletContext().setAttribute("pelletOntModel", pelletListener.getPelletModel());
+            sce.getServletContext().setAttribute("pelletOntModel", pelletListener.getPelletModel());
             
-        log.debug("Reasoner connected");
+            log.debug("Reasoner connected");
      
 		} catch (Throwable t) {
 			t.printStackTrace();

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/PelletReasonerSetupPseudocomplete.java

@@ -21,36 +21,40 @@ public class PelletReasonerSetupPseudocomplete implements ServletContextListener
 	
 	public void contextInitialized(ServletContextEvent sce) {
 		
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {	
 			
-		OntModel memoryModel = (OntModel) sce.getServletContext().getAttribute("jenaOntModel");
+    		OntModel memoryModel = (OntModel) sce.getServletContext().getAttribute("jenaOntModel");
-		OntModel baseModel = (OntModel) sce.getServletContext().getAttribute("baseOntModel");
+    		OntModel baseModel = (OntModel) sce.getServletContext().getAttribute("baseOntModel");
-		OntModel inferenceModel = (OntModel) sce.getServletContext().getAttribute("inferenceOntModel");
+    		OntModel inferenceModel = (OntModel) sce.getServletContext().getAttribute("inferenceOntModel");
     		
-		if (!baseModel.getProfile().NAMESPACE().equals(OWL.NAMESPACE.getNameSpace())) {		
+    		if (!baseModel.getProfile().NAMESPACE().equals(OWL.NAMESPACE.getNameSpace())) {		
-			log.error("Not connecting Pellet reasoner - base model is not an OWL model");
+    			log.error("Not connecting Pellet reasoner - base model is not an OWL model");
-			return;
+    			return;
-		}       
+    		}       
             
-        // Set various options
+            // Set various options
-		PelletOptions.DL_SAFE_RULES = true;
+    		PelletOptions.DL_SAFE_RULES = true;
-        PelletOptions.USE_COMPLETION_QUEUE = true;
+            PelletOptions.USE_COMPLETION_QUEUE = true;
-        PelletOptions.USE_TRACING = true;
+            PelletOptions.USE_TRACING = true;
-        PelletOptions.TRACK_BRANCH_EFFECTS = true;
+            PelletOptions.TRACK_BRANCH_EFFECTS = true;
-        PelletOptions.USE_INCREMENTAL_CONSISTENCY = true;
+            PelletOptions.USE_INCREMENTAL_CONSISTENCY = true;
-        PelletOptions.USE_INCREMENTAL_DELETION = true;
+            PelletOptions.USE_INCREMENTAL_DELETION = true;
             
-        // Pellet 2.0-RC5 is buggy with incremental reasoning through Jena
+            // Pellet 2.0-RC5 is buggy with incremental reasoning through Jena
-        //PelletOptions.USE_INCREMENTAL_CONSISTENCY = true;
+            //PelletOptions.USE_INCREMENTAL_CONSISTENCY = true;
-        //PelletOptions.USE_INCREMENTAL_DELETION = true;
+            //PelletOptions.USE_INCREMENTAL_DELETION = true;
-        ReasonerConfiguration config = ReasonerConfiguration.PSEUDOCOMPLETE;
+            ReasonerConfiguration config = ReasonerConfiguration.PSEUDOCOMPLETE;
-        config.setIncrementalReasongingEnabled(false);
+            config.setIncrementalReasongingEnabled(false);
             
-        PelletListener pelletListener = new PelletListener(memoryModel,baseModel,inferenceModel,config);
+            PelletListener pelletListener = new PelletListener(memoryModel,baseModel,inferenceModel,config);
-        sce.getServletContext().setAttribute("pelletListener",pelletListener);
+            sce.getServletContext().setAttribute("pelletListener",pelletListener);
-        sce.getServletContext().setAttribute("pelletOntModel", pelletListener.getPelletModel());
+            sce.getServletContext().setAttribute("pelletOntModel", pelletListener.getPelletModel());
             
-        log.debug("Reasoner connected");
+            log.debug("Reasoner connected");
          
 		} catch (Throwable t) {
 			t.printStackTrace();

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/PelletReasonerSetupPseudocompleteIgnoreDataproperties.java

@@ -22,6 +22,10 @@ public class PelletReasonerSetupPseudocompleteIgnoreDataproperties implements
 	
 	public void contextInitialized(ServletContextEvent sce) {
 	
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {
 		
 			OntModel memoryModel = (OntModel) sce.getServletContext().getAttribute("jenaOntModel");

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/RunSparqlConstructs.java

@@ -42,6 +42,10 @@ public class RunSparqlConstructs implements ServletContextListener {
 	
 	public void contextInitialized(ServletContextEvent sce) {
 		
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {
 		
 			WebappDaoFactory wadf = (WebappDaoFactory) sce.getServletContext().getAttribute("webappDaoFactory");

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/SimpleReasonerSetup.java

@@ -47,6 +47,10 @@ public class SimpleReasonerSetup implements ServletContextListener {
 
 	public void contextInitialized(ServletContextEvent sce) {
 	    
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {	
 		    // set up Pellet reasoning for the TBox	
 			

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/UpdateKnowledgeBase.java

@@ -65,6 +65,10 @@ public class UpdateKnowledgeBase implements ServletContextListener {
 	
 	public void contextInitialized(ServletContextEvent sce) {
 				
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {
 
 			ServletContext ctx = sce.getServletContext();

webapp/src/edu/cornell/mannlib/vitro/webapp/servlet/setup/UpdateUploadedFiles.java

@@ -48,6 +48,11 @@ public class UpdateUploadedFiles implements ServletContextListener {
 	 */
 	@Override
 	public void contextInitialized(ServletContextEvent sce) {
+	    
+	    if (AbortStartup.isStartupAborted(sce.getServletContext())) {
+            return;
+        }
+	    
 		try {
 			ServletContext ctx = sce.getServletContext();