Merge Web Scripts from BRANCHES/DEV/DAVE

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5358 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/scripts/WebScriptContext.java

@@ -0,0 +1,230 @@
+/*
+ * Copyright (C) 2005-2007 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing"
+ */
+package org.alfresco.web.scripts;
+
+import java.util.List;
+
+import org.alfresco.model.ContentModel;
+import org.alfresco.repo.security.authentication.AuthenticationUtil;
+import org.alfresco.repo.transaction.TransactionUtil;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.service.cmr.repository.NodeService;
+import org.alfresco.service.cmr.repository.StoreRef;
+import org.alfresco.service.cmr.search.SearchService;
+import org.alfresco.service.cmr.security.PersonService;
+import org.alfresco.service.namespace.NamespaceService;
+import org.alfresco.service.transaction.TransactionService;
+import org.alfresco.util.AbstractLifecycleBean;
+import org.springframework.beans.BeansException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationListener;
+
+
+/**
+ * Provision of Repository Context
+ * 
+ * @author davidc
+ */
+public class WebScriptContext implements ApplicationContextAware, ApplicationListener
+{
+    private ProcessorLifecycle lifecycle = new ProcessorLifecycle();
+
+    // dependencies
+    private TransactionService transactionService;
+    private NamespaceService namespaceService;
+    private SearchService searchService;
+    private NodeService nodeService;
+    private PersonService personService;
+    
+    // company home
+    private StoreRef companyHomeStore;
+    private String companyHomePath;
+    private NodeRef companyHome;
+    
+    
+    /**
+     * Sets the Company Home Store
+     * 
+     * @param companyHomeStore
+     */
+    public void setCompanyHomeStore(String companyHomeStore)
+    {
+        this.companyHomeStore = new StoreRef(companyHomeStore);
+    }
+    
+    /**
+     * Sets the Company Home Path
+     * 
+     * @param companyHomePath
+     */
+    public void setCompanyHomePath(String companyHomePath)
+    {
+        this.companyHomePath = companyHomePath;
+    }
+
+    /**
+     * Sets the transaction service
+     * 
+     * @param transactionService
+     */
+    public void setTransactionService(TransactionService transactionService)
+    {
+        this.transactionService = transactionService;
+    }
+
+    /**
+     * Sets the namespace service
+     * 
+     * @param namespaceService
+     */
+    public void setNamespaceService(NamespaceService namespaceService)
+    {
+        this.namespaceService = namespaceService;
+    }
+    
+    /**
+     * Sets the search service
+     * 
+     * @param searchService
+     */
+    public void setSearchService(SearchService searchService)
+    {
+        this.searchService = searchService;
+    }
+    
+    /**
+     * Sets the node service
+     * 
+     * @param nodeService
+     */
+    public void setNodeService(NodeService nodeService)
+    {
+        this.nodeService = nodeService;
+    }
+    
+    /**
+     * Sets the person service
+     * 
+     * @param personService
+     */
+    public void setPersonService(PersonService personService)
+    {
+        this.personService = personService;
+    }
+
+    /* (non-Javadoc)
+     * @see org.springframework.context.ApplicationContextAware#setApplicationContext(org.springframework.context.ApplicationContext)
+     */
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException
+    {
+        lifecycle.setApplicationContext(applicationContext);
+    }
+
+    /* (non-Javadoc)
+     * @see org.springframework.context.ApplicationListener#onApplicationEvent(org.springframework.context.ApplicationEvent)
+     */
+    public void onApplicationEvent(ApplicationEvent event)
+    {
+        lifecycle.onApplicationEvent(event);
+    }
+    
+    /**
+     * Hooks into Spring Application Lifecycle
+     */
+    private class ProcessorLifecycle extends AbstractLifecycleBean
+    {
+        @Override
+        protected void onBootstrap(ApplicationEvent event)
+        {
+            initContext();
+        }
+    
+        @Override
+        protected void onShutdown(ApplicationEvent event)
+        {
+        }
+    }
+
+    /**
+     * Initialise Repository Context
+     */
+    protected void initContext()
+    {
+        TransactionUtil.executeInUserTransaction(transactionService, new TransactionUtil.TransactionWork<Object>()
+        {
+            @SuppressWarnings("synthetic-access")
+            public Object doWork() throws Exception
+            {
+                List<NodeRef> refs = searchService.selectNodes(nodeService.getRootNode(companyHomeStore), companyHomePath, null, namespaceService, false);
+                if (refs.size() != 1)
+                {
+                    throw new IllegalStateException("Invalid company home path: " + companyHomePath + " - found: " + refs.size());
+                }
+                companyHome = refs.get(0);
+                return null;
+            }
+        });
+    }
+    
+    /**
+     * Gets the Company Home
+     *  
+     * @return  company home node ref
+     */
+    public NodeRef getCompanyHome()
+    {
+        return companyHome;
+    }
+
+    /**
+     * Gets the currently authenticated person
+     * 
+     * @return  person node ref
+     */
+    public NodeRef getPerson()
+    {
+        NodeRef person = null;
+        String currentUserName = AuthenticationUtil.getCurrentUserName();
+        if (personService.personExists(currentUserName))
+        {
+            person = personService.getPerson(currentUserName);
+        }
+        return person;
+    }
+
+    /**
+     * Gets the user home of the currently authenticated person
+     * 
+     * @param person  person
+     * @return  user home of person
+     */
+    public NodeRef getUserHome(NodeRef person)
+    {
+        return (NodeRef)nodeService.getProperty(person, ContentModel.PROP_HOMEFOLDER);
+    }
+    
+}