enhance copy. make replace-files work for sftp, except sftp to sftp y…

…et. fix dest is null. gui move ssh fields to top for more room. put couple util methods in sftp.

.gitignore

@@ -7,3 +7,4 @@ nbbuild/
 dist/
 nbdist/
 .nb-gradle/
+/.project

JFileProcessor-Sdk/src/main/java/com/towianski/sshutils/JschSftpUtils.java

@@ -45,7 +45,7 @@ public void close()
 public void sftpIfDiff( String locFile, String user, String password, String rhost, String rmtFile )
     {
     Sftp sftp = new Sftp( user, password, rhost );
-    com.jcraft.jsch.ChannelSftp chanSftp = sftp.getSftp();
+    com.jcraft.jsch.ChannelSftp chanSftp = sftp.getChanSftp();
     boolean doCopy = false;
 
     try {
@@ -363,7 +363,7 @@ public void copyTo( Session session, String lfile, String rfile )
 public void SftpPut( String locFile, String user, String password, String rhost, String rmtFile )
     {
     Sftp sftp = new Sftp( user, password, rhost );
-    com.jcraft.jsch.ChannelSftp chanSftp = sftp.getSftp();
+    com.jcraft.jsch.ChannelSftp chanSftp = sftp.getChanSftp();
 
     try {
         //    sftpChannel.put("C:/source/local/path/file.zip", "/target/remote/path/file.zip");
@@ -378,7 +378,7 @@ public void SftpPut( String locFile, String user, String password, String rhost,
 public void SftpGet( String rmtFile, String user, String password, String rhost, String locFile )
     {
     Sftp sftp = new Sftp( user, password, rhost );
-    com.jcraft.jsch.ChannelSftp chanSftp = sftp.getSftp();
+    com.jcraft.jsch.ChannelSftp chanSftp = sftp.getChanSftp();
 
     try {
         System.out.println( "SftpGet rmtFile =" + rmtFile + "=   to locFile =" + locFile + "=" );
@@ -393,7 +393,7 @@ public void SftpGet( String rmtFile, String user, String password, String rhost,
 public long getRemoteFileSize( String lfile, String user, String password, String rhost, String filename )
     {
     Sftp sftp = new Sftp( user, password, rhost );
-    com.jcraft.jsch.ChannelSftp chanSftp = sftp.getSftp();
+    com.jcraft.jsch.ChannelSftp chanSftp = sftp.getChanSftp();
     SftpATTRS attrs = null;
     long fsize = -1;
 

JFileProcessor-Sdk/src/main/java/com/towianski/sshutils/Sftp.java

@@ -8,7 +8,12 @@
 import com.jcraft.jsch.Channel;
 import com.jcraft.jsch.JSch;
 import com.jcraft.jsch.Session;
+import com.jcraft.jsch.SftpATTRS;
+import com.jcraft.jsch.SftpException;
+import com.towianski.jfileprocessor.CopierNonWalker;
 import java.util.Properties;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import javax.swing.JOptionPane;
 
 /**
@@ -17,7 +22,7 @@
  */
 public class Sftp {
     JSch jsch=new JSch();  
-    com.jcraft.jsch.ChannelSftp sftp = null;
+    com.jcraft.jsch.ChannelSftp chanSftp = null;
     Channel channel = null;
     Session session = null;
 
@@ -60,7 +65,7 @@ public Sftp( String user, String password, String rhost )
 
         channel=session.openChannel( "sftp" );
         channel.connect();
-        sftp = (com.jcraft.jsch.ChannelSftp)channel;
+        chanSftp = (com.jcraft.jsch.ChannelSftp)channel;
         System.out.println( "Sftp done" );
         }
     catch(Exception e)
@@ -69,9 +74,36 @@ public Sftp( String user, String password, String rhost )
         }
     }
 
-public com.jcraft.jsch.ChannelSftp getSftp()
+public com.jcraft.jsch.ChannelSftp getChanSftp()
     {
-    return sftp;
+    return chanSftp;
+    }
+
+public boolean exists( String path )
+    {
+    try {
+        chanSftp.stat( path );
+        } 
+    catch (SftpException ex)
+        {
+        Logger.getLogger(CopierNonWalker.class.getName()).log(Level.SEVERE, null, ex);
+        return false;
+        }
+    return true;
+    }
+
+public boolean isDir( String path )
+    {
+    SftpATTRS sourceSftpAttrs = null;
+    try {
+        sourceSftpAttrs = chanSftp.stat( path );
+        } 
+    catch (SftpException ex)
+        {
+        Logger.getLogger(CopierNonWalker.class.getName()).log(Level.SEVERE, null, ex);
+        return false;
+        }
+    return sourceSftpAttrs.isDir();
     }
 
 public void close()