Working on temporary menu editor NIHVIVO-710

webapp/src/edu/cornell/mannlib/vitro/webapp/controller/freemarker/MenuN3EditController.java

@@ -0,0 +1,65 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.webapp.controller.freemarker;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
+import edu.cornell.mannlib.vitro.webapp.controller.freemarker.responsevalues.ResponseValues;
+import edu.cornell.mannlib.vitro.webapp.controller.freemarker.responsevalues.TemplateResponseValues;
+
+public class MenuN3EditController extends FreemarkerHttpServlet {
+
+    protected final static String N3MENU_FORM = "menuN3Edit.ftl"; 
+    protected final static String N3MENU_SUCCESS_RESULT = "menuN3Edit.ftl";     
+    protected final static String N3MENU_ERROR_RESULT = "menuN3Edit.ftl";
+    
+    protected final static String N3_PARAM = "navigationN3";
+    
+    @Override
+    protected ResponseValues processRequest(VitroRequest vreq) {
+        String n3 = vreq.getParameter(N3_PARAM); 
+        if( n3 != null &&  ! n3.isEmpty()){
+            return setNewMenu(vreq);        
+        }else{
+            return showForm(vreq);
+        }
+    }
+
+    private ResponseValues showForm(VitroRequest vreq) {
+        Map<String,Object> data = new HashMap<String,Object>();
+        
+        String menuN3;                
+        try {
+            menuN3 = vreq.getWebappDaoFactory().getDisplayModelDao()
+                    .getDisplayModel(getServletContext());
+            data.put("menuN3", menuN3);
+        } catch (Exception e) {
+            data.put("errorMessage",e.getMessage());
+        }        
+        return new TemplateResponseValues(N3MENU_FORM, data);
+    }
+
+    private ResponseValues setNewMenu(VitroRequest vreq) {
+        Map<String,Object> data = new HashMap<String,Object>();
+        
+        String menuN3 = vreq.getParameter(N3_PARAM);
+        
+        try {
+            vreq.getWebappDaoFactory().getDisplayModelDao()
+                .replaceDisplayModel(menuN3, getServletContext());
+            data.put("message", "success");
+        } catch (Exception e) {
+            data.put("errorMessage",e.getMessage());
+        }
+        
+        if( data.containsKey("errorMessage"))            
+            return new TemplateResponseValues(N3MENU_ERROR_RESULT,data);
+        else
+            return new TemplateResponseValues(N3MENU_SUCCESS_RESULT, data);
+            
+    }
+
+    
+}

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/DisplayModelDao.java

@@ -0,0 +1,18 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.webapp.dao;
+
+import javax.servlet.ServletContext;
+
+public interface DisplayModelDao {
+    
+    /**
+     * ServletContext should only be used for getRealPath()
+     */
+    public void replaceDisplayModel(String n3, ServletContext sc) throws Exception;
+    
+    /**
+     * ServletContext should only be used for getRealPath()
+     */
+    public String getDisplayModel(ServletContext sc) throws Exception;
+}

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/WebappDaoFactory.java

@@ -106,6 +106,8 @@ public interface WebappDaoFactory {
     public ObjectPropertyStatementDao getObjectPropertyStatementDao();
 
 
+    public DisplayModelDao getDisplayModelDao();
+    
     /* ======================== DAOs for other objects ======================== */
 
     public ApplicationDao getApplicationDao();

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/filtering/WebappDaoFactoryFiltering.java

@@ -11,6 +11,7 @@ import edu.cornell.mannlib.vitro.webapp.dao.Classes2ClassesDao;
 import edu.cornell.mannlib.vitro.webapp.dao.DataPropertyDao;
 import edu.cornell.mannlib.vitro.webapp.dao.DataPropertyStatementDao;
 import edu.cornell.mannlib.vitro.webapp.dao.DatatypeDao;
+import edu.cornell.mannlib.vitro.webapp.dao.DisplayModelDao;
 import edu.cornell.mannlib.vitro.webapp.dao.FlagDao;
 import edu.cornell.mannlib.vitro.webapp.dao.IndividualDao;
 import edu.cornell.mannlib.vitro.webapp.dao.KeywordDao;
@@ -310,4 +311,9 @@ public class WebappDaoFactoryFiltering implements WebappDaoFactory {
     public MenuDao getMenuDao(){
         return innerWebappDaoFactory.getMenuDao();
     }    
+    
+    @Override
+    public DisplayModelDao getDisplayModelDao(){
+        return innerWebappDaoFactory.getDisplayModelDao();
+    }
 }

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/DisplayModelDaoJena.java

@@ -0,0 +1,120 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.webapp.dao.jena;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringReader;
+import java.nio.channels.FileChannel;
+
+import javax.servlet.ServletContext;
+
+import com.hp.hpl.jena.ontology.OntModel;
+import com.hp.hpl.jena.rdf.model.Model;
+import com.hp.hpl.jena.rdf.model.ModelFactory;
+import com.hp.hpl.jena.util.FileManager;
+
+import edu.cornell.mannlib.vitro.webapp.dao.DisplayModelDao;
+
+public class DisplayModelDaoJena implements DisplayModelDao {
+    WebappDaoFactoryJena wdf;
+    
+    protected static final String MENU_N3_FILE = "/WEB-INF/ontologies/app/menu.n3";
+    protected static final String MENU_N3_FILE_BACKUP = "/WEB-INF/ontologies/app/menu.backup";
+    
+    public DisplayModelDaoJena(WebappDaoFactoryJena wdfj){
+        this.wdf = wdfj;
+    }    
+    
+    public void replaceDisplayModel(String n3, ServletContext context) throws Exception{
+        OntModel displayModel = wdf.getOntModelSelector().getDisplayModel();
+                
+        //get old menu file and turn into model
+        Model oldMenuStmts = ModelFactory.createDefaultModel();
+        InputStream oldIn = FileManager.get().open( context.getRealPath(MENU_N3_FILE ) );
+        if( oldIn == null ){
+            throw new Exception("Cannot open existing menu file.");
+        }
+        try{
+            oldMenuStmts.read(oldIn, null, "N3");
+        }catch(Throwable th){
+            throw new Exception("Cannot read in existing menu file.");
+        }
+        
+        //get menu file and turn into model        
+        Model newMenuStmts = ModelFactory.createDefaultModel();
+        StringReader newIn = new StringReader( n3 );
+        try{
+            newMenuStmts.read(newIn, null,"N3");
+        }catch(Throwable th){
+            throw new Exception("There was an error in the menu N3: "+ th.getMessage());
+        }
+        
+        displayModel.enterCriticalSection(true);
+        try{
+            //copy old menu file to backup
+            File oldMenuFile = new File(context.getRealPath(MENU_N3_FILE));
+            File oldMenuFileBackup = new File(context.getRealPath(MENU_N3_FILE_BACKUP));
+            copyFile(oldMenuFile , oldMenuFileBackup);
+            
+            //save new menu file to old menu file
+            File newMenuFile = new File(context.getRealPath(MENU_N3_FILE));
+            FileWriter mfWriter = new FileWriter(newMenuFile);
+            mfWriter.write(n3);
+            mfWriter.close();
+            
+            //remove old menu statements from display model
+            displayModel.remove(oldMenuStmts);
+            
+            //add new menu statements to display model
+            displayModel.add(newMenuStmts);
+        }finally{
+            displayModel.leaveCriticalSection();
+        }        
+    }
+    
+    
+    public String getDisplayModel(ServletContext context) throws IOException{        
+        File oldMenuFile = new File(context.getRealPath(MENU_N3_FILE));
+        StringBuffer str = new StringBuffer(2000);
+        BufferedReader reader = new BufferedReader(new FileReader(oldMenuFile));
+        char[] buf = new char[1024];
+        int numRead=0;
+        while((numRead=reader.read(buf)) != -1){
+            String readData = String.valueOf(buf, 0, numRead);
+            str.append(readData);
+        }
+        reader.close();
+        return str.toString();    
+    }
+    
+    public static void copyFile(File sourceFile, File destFile) throws IOException {
+        if(!destFile.exists()) {
+         destFile.createNewFile();
+        }
+
+        FileChannel source = null;
+        FileChannel destination = null;
+        try {
+         source = new FileInputStream(sourceFile).getChannel();
+         destination = new FileOutputStream(destFile).getChannel();
+         destination.transferFrom(source, 0, source.size());
+        }
+        finally {
+         if(source != null) {
+          source.close();
+         }
+         if(destination != null) {
+          destination.close();
+         }
+       }
+    }
+
+
+}

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/WebappDaoFactoryJena.java

@@ -9,7 +9,6 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.CopyOnWriteArrayList;
 
 import com.hp.hpl.jena.iri.IRI;
 import com.hp.hpl.jena.iri.IRIFactory;
@@ -30,12 +29,12 @@ import com.hp.hpl.jena.vocabulary.OWL;
 import com.hp.hpl.jena.vocabulary.RDF;
 import com.hp.hpl.jena.vocabulary.RDFS;
 
-import edu.cornell.mannlib.vitro.webapp.beans.VClass;
 import edu.cornell.mannlib.vitro.webapp.dao.ApplicationDao;
 import edu.cornell.mannlib.vitro.webapp.dao.Classes2ClassesDao;
 import edu.cornell.mannlib.vitro.webapp.dao.DataPropertyDao;
 import edu.cornell.mannlib.vitro.webapp.dao.DataPropertyStatementDao;
 import edu.cornell.mannlib.vitro.webapp.dao.DatatypeDao;
+import edu.cornell.mannlib.vitro.webapp.dao.DisplayModelDao;
 import edu.cornell.mannlib.vitro.webapp.dao.FlagDao;
 import edu.cornell.mannlib.vitro.webapp.dao.IndividualDao;
 import edu.cornell.mannlib.vitro.webapp.dao.KeywordDao;
@@ -592,4 +591,8 @@ public class WebappDaoFactoryJena implements WebappDaoFactory {
         return menuDao;
     }
     
+    @Override
+    public DisplayModelDao getDisplayModelDao(){
+        return new DisplayModelDaoJena( this );
+    }
 }

webapp/web/templates/freemarker/body/menuN3Edit.ftl

@@ -0,0 +1,29 @@
+<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
+
+<div id="navigationManagement">
+    <h2>Navigation Management</h2>
+    
+    <#if errorMessage??>
+    <div id="errorAlert">
+      <img src="../images/iconAlert.png" alert="Error alert icon" height="31" width="32">
+      <p>${errorMessage}</p>
+    </div>
+    </#if>
+    
+    <#if message??>
+      <p>${message}</p>
+    </#if>
+    
+    <#if menuN3??>
+    <form class="" action="${urls.base}/MenuN3EditController" method="post">
+      <label for="navigatioN3"></label>
+      <textarea name="navigationN3" id="textarea" cols="45" rows="40">
+      ${menuN3}
+      </textarea>
+      <input name="submit" class="submit" value="Save" type="submit"/>
+      or <a href="#">Cancel</a>
+      <p class="small red">&nbsp;</p>
+    </form>
+    </#if>
+
+</div>