Merge pull request #13 from fugerit-org/bug/issue_12

Fix file content in JMountDaogenDB #12

Author: fugerit79

fj-core-jvfs/src/main/java/org/fugerit/java/core/jvfs/db/JMountDaogenDB.java

@@ -141,8 +141,11 @@ public JFile[] listFiles( DaogenJFileDB file ) throws IOException {
 
 	public InputStream streamIn( ModelDbJvfsFile file ) throws IOException {
 		InputStream is = null;
-		if ( file != null ) {
-			is = new ByteArrayInputStream( file.getFileContent().getData() );
+		if ( file != null && file.getFileContent() != null ) {
+			byte[] data = file.getFileContent().getData();
+			if ( data != null ) {
+				is = new ByteArrayInputStream( file.getFileContent().getData() );	
+			}
 		}
 		return is;
 	}

fj-core-jvfs/src/main/java/org/fugerit/java/core/jvfs/util/JFileUtilCP.java

@@ -1,6 +1,7 @@
 package org.fugerit.java.core.jvfs.util;
 
 import java.io.IOException;
+import java.io.InputStream;
 
 import org.fugerit.java.core.io.StreamIO;
 import org.fugerit.java.core.jvfs.JFile;
@@ -55,7 +56,14 @@ public static int copyFile( JFile from, JFile to, boolean recurse, boolean force
 					throw new IOException( "Directories can only be copied recursively, from:("+from+") to:("+to+")" );
 				}
 			} else {
-				StreamIO.pipeStream( from.getInputStream() , to.getOutputStream(), StreamIO.MODE_CLOSE_BOTH );
+				InputStream fromIS = from.getInputStream();
+				if ( fromIS != null ) {
+					StreamIO.pipeStream( fromIS , to.getOutputStream(), StreamIO.MODE_CLOSE_BOTH );
+				} else {
+					if ( verbose ) {
+						logger.info( "Input file empty (getInputStream() == null) : {}", from.describe() );
+					}
+				}
 			}
 		}
 		return res;