Refactoring of the pseudo file/desktop action code to allow use by AVM and repo filesystem drivers.

Added virtualization view to the AVM filesystem driver that shows all stores and versions using a single
shared filesystem.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@4443 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/filesys/server/pseudo/LocalPseudoFile.java

@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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.alfresco.filesys.server.pseudo;
+
+import java.io.File;
+
+import org.alfresco.filesys.server.filesys.FileInfo;
+import org.alfresco.filesys.server.filesys.NetworkFile;
+
+/**
+ * Local Pseudo File Class
+ * 
+ *  <p>Pseudo file class that uses a file on the local filesystem.
+ *  
+ * @author gkspencer
+ */
+public class LocalPseudoFile extends PseudoFile
+{
+    // Path to the file on the local filesystem
+    
+    private String m_path;
+    
+    /**
+     * Class constructor
+     * 
+     * @param name String
+     * @param path String
+     */
+    public LocalPseudoFile(String name, String path)
+    {
+        super(name);
+        
+        m_path = path;
+    }
+    
+    /**
+     * Return the path to the file on the local filesystem
+     * 
+     * @return String
+     */
+    public final String getFilePath()
+    {
+        return m_path;
+    }
+    
+    /**
+     * Return the file information for the pseudo file
+     *
+     * @return FileInfo
+     */
+    public FileInfo getFileInfo()
+    {
+        // Check if the file information is valid
+        
+        if ( getInfo() == null) {
+            
+            // Get the file details
+            
+            File localFile = new File( getFilePath());
+            if ( localFile.exists())
+            {
+                // Create the file information
+                
+                FileInfo fInfo = new FileInfo( getFileName(), localFile.length(), getAttributes());
+                
+                // Set the file creation/modification times
+                
+                fInfo.setModifyDateTime( localFile.lastModified());
+                fInfo.setCreationDateTime( _creationDateTime);
+                fInfo.setChangeDateTime( _creationDateTime);
+
+                // Set the allocation size, round up the actual length
+                
+                fInfo.setAllocationSize(( localFile.length() + 512L) & 0xFFFFFFFFFFFFFE00L);
+                
+                setFileInfo( fInfo);
+            }            
+        }
+        
+        // Return the file information
+        
+        return getInfo();
+    }
+
+    /**
+     * Return a network file for reading/writing the pseudo file
+     * 
+     * @param netPath String
+     * @return NetworkFile
+     */
+    public NetworkFile getFile(String netPath)
+    {
+        // Create a pseudo file mapped to a file in the local filesystem
+        
+        return new PseudoNetworkFile( getFileName(), getFilePath(), netPath);
+    }
+}