Must I use spring Framework with JSF2 and Hibernate?
Hi all,
I'm starting to develop a web portal and I would use JSF2 and Hibernate.
Now I don't know JSF2 so I searched some tutorial.
I found a tutorial on JSF2 that seems very complete but in this tutorial I found a section where the author use Hibernate for the "model section", JSF2 for the "view section" and Spring for the "controller section"!
Now I have a doubt, can I develop a web portal without Spring MVC or I can't develop any controller's component with JSF2?
Thank you for your replies!
For Ram, do you mean that JSF2 isn't a MVC framework with your reply?
For Kayaman, the author did some examples how implements some frameworks with JSF2 and he do 3 examples:
1) JSF2 and JDBC;
2) JSF2 and Spring;
3) JSF2, Spring and Hibernate!
However, after this thread, I found a forum in linked to the tutorial and I asked why they use JSF2 and Spring together! Now Im waiting the answer!
For Gimbla2: well, I'm novice on JSF2 but I develop for some years with ADF and JBO framework!
You are right to tell me "On the official sites you can find all informations" but I would know some things from some one that used both frameworks!
Thanks again to all.
Edited by: Filippo Tenaglia on 20-giu-2011 14.16
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What happened?
Where did I go wrong?
could you please help me?
Thanking you in advance,
Waiting for your response,
Samba.
Message was edited by:
saasira
Message was edited by:
saasira
Message was edited by:
saasira -
Problem in using socket streams with encryption and decryption
Hi,
I am developing a client/server program with encryption and decryption at both end. While sending a message from client it should be encrypted and at the receiving end(server) it should be decrypted and vice versa.
But while doing so i got a problem if i use both encryption and decryption at both ends. But If i use only encryption at one (only outputstream) and decryption at other end(only inputstream) there is no problem.
Here is client/server pair of programs in which i am encrypting the outputstream of the socket in client side and decrypting the inputstream of the socket in server side.
serverSocketDemo.java
import java.io.*;
import java.net.*;
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.util.*;
import java.util.zip.*;
class serverSocketDemo
public static void main(String args[])
try
{ //server listening on port 2000
ServerSocket server=new ServerSocket(2000);
while (true)
Socket theConnection=server.accept();
System.out.println("Connecting from local address : "+theConnection.getLocalAddress());
System.out.println("Connection request from : "+theConnection.getInetAddress());
//Input starts from here
Reader in=new InputStreamReader(getNetInStream(theConnection.getInputStream()),"ASCII");
StringBuffer strbuf=new StringBuffer();
int c;
while (true)
c=in.read();
if(c=='\n' || c==-1)
break;
strbuf.append((char)c);
String str=strbuf.toString();
System.out.println("Message from Client : "+str);
in.close();
theConnection.close();
catch(BindException e)
System.out.println("The Port is in use or u have no privilage on this port");
catch(ConnectException e)
System.out.println("Connection is refused at remote host because the host is busy or no process is listening on that port");
catch(IOException e)
System.out.println("Connection disconnected");
catch(Exception e)
public static BufferedInputStream getNetInStream(InputStream in) throws Exception
// register the provider that implements the algorithm
Provider sunJce = new com.sun.crypto.provider.SunJCE( );
Security.addProvider(sunJce);
// create a key
byte[] desKeyDataDec = "This encryption can not be decrypted".getBytes();
DESKeySpec desKeySpecDec = new DESKeySpec(desKeyDataDec);
SecretKeyFactory keyFactoryDec = SecretKeyFactory.getInstance("DES");
SecretKey desKeyDec = keyFactoryDec.generateSecret(desKeySpecDec);
// use Data Encryption Standard
Cipher desDec = Cipher.getInstance("DES");
desDec.init(Cipher.DECRYPT_MODE, desKeyDec);
CipherInputStream cin = new CipherInputStream(in, desDec);
BufferedInputStream bin=new BufferedInputStream(new GZIPInputStream(cin));
return bin;
clientSocketDemo.java
import java.io.*;
import java.net.*;
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.util.*;
import java.util.zip.*;
class clientSocketDemo
public static void main(String args[])
try
Socket theConnection=new Socket("localhost",2000);
System.out.println("Connecting from local address : "+theConnection.getLocalAddress());
System.out.println("Connecting to : "+theConnection.getInetAddress());
//Output starts from here
OutputStream out=getNetOutStream(theConnection.getOutputStream());
out.write("Please Welcome me\n".getBytes());
out.flush();
out.close();
theConnection.close();
catch(BindException e)
System.out.println("The Port is in use or u have no privilage on this port");
catch(ConnectException e)
System.out.println("Connection is refused at remote host because the host is busy or no process is listening on that port");
catch(IOException e)
System.out.println("Connection disconnected");
catch(Exception e)
public static OutputStream getNetOutStream(OutputStream out) throws Exception
// register the provider that implements the algorithm
Provider sunJce = new com.sun.crypto.provider.SunJCE( );
Security.addProvider(sunJce);
// create a key
byte[] desKeyDataEnc = "This encryption can not be decrypted".getBytes();
DESKeySpec desKeySpecEnc = new DESKeySpec(desKeyDataEnc);
SecretKeyFactory keyFactoryEnc = SecretKeyFactory.getInstance("DES");
SecretKey desKeyEnc = keyFactoryEnc.generateSecret(desKeySpecEnc);
// use Data Encryption Standard
Cipher desEnc = Cipher.getInstance("DES");
desEnc.init(Cipher.ENCRYPT_MODE, desKeyEnc);
CipherOutputStream cout = new CipherOutputStream(out, desEnc);
OutputStream outstream=new BufferedOutputStream(new GZIPOutputStream(cout));
return outstream;
Here is client/server pair in which i use both encrypting outpustream and decrypting inputstream at both ends.
serverSocketDemo.java
import java.io.*;
import java.net.*;
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.util.*;
import java.util.zip.*;
class serverSocketDemo
private Cipher desEnc,desDec;
serverSocketDemo()
try
// register the provider that implements the algorithm
Provider sunJce = new com.sun.crypto.provider.SunJCE( );
Security.addProvider(sunJce);
// create a key
byte[] desKeyData = "This encryption can not be decrypted".getBytes();
DESKeySpec desKeySpec = new DESKeySpec(desKeyData);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey desKey = keyFactory.generateSecret(desKeySpec);
desEnc = Cipher.getInstance("DES");
desEnc.init(Cipher.ENCRYPT_MODE, desKey);
desDec = Cipher.getInstance("DES");
desDec.init(Cipher.DECRYPT_MODE, desKey);
catch (javax.crypto.NoSuchPaddingException e)
System.out.println(e);
catch (java.security.NoSuchAlgorithmException e)
System.out.println(e);
catch (java.security.InvalidKeyException e)
System.out.println(e);
catch(Exception e)
System.out.println(e);
startProcess();
public void startProcess()
try
ServerSocket server=new ServerSocket(2000);
while (true)
final Socket theConnection=server.accept();
System.out.println("Connecting from local address : "+theConnection.getLocalAddress());
System.out.println("Connection request from : "+theConnection.getInetAddress());
Thread input=new Thread()
public void run()
try
//Input starts from here
Reader in=new InputStreamReader(new BufferedInputStream(new CipherInputStream(theConnection.getInputStream(), desDec)),"ASCII");
StringBuffer strbuf=new StringBuffer();
int c;
while (true)
c=in.read();
if(c=='\n'|| c==-1)
break;
strbuf.append((char)c);
String str=strbuf.toString();
System.out.println("Message from Client : "+str);
catch(Exception e)
System.out.println("Error caught inside input Thread : "+e);
input.start();
Thread output=new Thread()
public void run()
try
//Output starts from here
OutputStream out=new BufferedOutputStream(new CipherOutputStream(theConnection.getOutputStream(), desEnc));
System.out.println("it will not be printed");
out.write("You are Welcome\n".getBytes());
out.flush();
catch(Exception e)
System.out.println("Error caught inside output Thread : "+e);
output.start();
try
output.join();
input.join();
catch(Exception e)
theConnection.close();
catch(BindException e)
System.out.println("The Port is in use or u have no privilage on this port");
catch(ConnectException e)
System.out.println("Connection is refused at remote host because the host is busy or no process is listening on that port");
catch(IOException e)
System.out.println("Connection disconnected");
catch(Exception e)
public static void main(String args[])
serverSocketDemo server=new serverSocketDemo();
clientSocketDemo.java
import java.io.*;
import java.net.*;
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.util.*;
import java.util.zip.*;
class clientSocketDemo
private Cipher desEnc,desDec;
clientSocketDemo()
try
// register the provider that implements the algorithm
Provider sunJce = new com.sun.crypto.provider.SunJCE( );
Security.addProvider(sunJce);
// create a key
byte[] desKeyData = "This encryption can not be decrypted".getBytes();
DESKeySpec desKeySpec = new DESKeySpec(desKeyData);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey desKey = keyFactory.generateSecret(desKeySpec);
desEnc = Cipher.getInstance("DES");
desDec = Cipher.getInstance("DES");
desEnc.init(Cipher.ENCRYPT_MODE, desKey);
desDec.init(Cipher.DECRYPT_MODE, desKey);
catch (javax.crypto.NoSuchPaddingException e)
System.out.println(e);
catch (java.security.NoSuchAlgorithmException e)
System.out.println(e);
catch (java.security.InvalidKeyException e)
System.out.println(e);
catch(Exception e)
System.out.println(e);
startProcess();
public void startProcess()
try
final Socket theConnection=new Socket("localhost",2000);
System.out.println("Connecting from local address : "+theConnection.getLocalAddress());
System.out.println("Connecting to : "+theConnection.getInetAddress());
Thread output=new Thread()
public void run()
try
//Output starts from here
OutputStream out=new BufferedOutputStream(new CipherOutputStream(theConnection.getOutputStream(), desEnc));
out.write("Please Welcome me\n".getBytes());
out.flush();
catch(Exception e)
System.out.println("Error caught inside output thread : "+e);
output.start();
Thread input=new Thread()
public void run()
try
//Input starts from here
Reader in=new InputStreamReader(new BufferedInputStream(new CipherInputStream(theConnection.getInputStream(), desDec)),"ASCII");
System.out.println("it will not be printed");
StringBuffer strbuf=new StringBuffer();
int c;
while (true)
c=in.read();
if(c=='\n' || c==-1)
break;
strbuf.append((char)c);
String str=strbuf.toString();
System.out.println("Message from Server : "+str);
catch(Exception e)
System.out.println("Error caught inside input Thread : "+e);
input.start();
try
output.join();
input.join();
catch(Exception e)
theConnection.close();
catch(BindException e)
System.out.println("The Port is in use or u have no privilage on this port");
catch(ConnectException e)
System.out.println("Connection is refused at remote host because the host is busy or no process is listening on that port");
catch(IOException e)
System.out.println("Connection disconnected");
catch(Exception e)
public static void main(String args[])
clientSocketDemo client=new clientSocketDemo();
**** I know that the CInput tries to read some header stuff thats why i used two threads for input and output.
Waiting for the reply.
Thank you.Do not ever post your code unless requested to. It is very annoying.
Try testing what key is being used. Just to test this out, build a copy of your program and loop the input and outputs together. Have them print the data stream onto the screen or a text file. Compare the 1st Output and the 2nd Output and the 1st Input with the 2nd Input and then do a static test of the chipher with sample data (same data which was outputted), then do another cipher test with the ciphertext created by the first test.
Everything should match - if it does not then follow the steps below.
Case 1: IO Loops do not match
Case 2: IO Loops match, but ciphertext 1st run does not match loop
Case 3: IO Loops match, 1st ciphertext 1st run matches, but 2nd run does not
Case 4: IO Loops match, both chiphertext runs do not match anything
Case 5: Ciphertext runs do not match eachother when decrypted correctly (outside of the test program)
Problems associated with the cases above:
Case 1: Private Key is changing on either side (likely the sender - output channel)
Case 2: Public Key is changing on either side (likely the sender - output channel)
Case 3: Private Key changed on receiver - input channel
Case 4: PKI failure, causing private key and public key mismatch only after a good combination was used
Case 5: Same as Case 4 -
Using OleDbDataAdapter Update with InsertCommands and getting blocking locks on Oracle table
The following code snippet shows the use of OleDbDataAdapter with InsertCommands. This code is producing many inserts on the Oracle table and is now suffering from contention... all on the same table. How does the OleDbDataAdapter produce
inserts from a dataset... what characteristics do these inserts inherent in terms of batch behavior... or do they naturally contend for the same resource.
oc.Open();
for (int i = 0; i < xImageId.Count; i++)
// Create the oracle adapter using a SQL which will not return any actual rows just the structure
OleDbDataAdapter da =
new OleDbDataAdapter("SELECT BUSINESS_UNIT, INVOICE, ASSIGNMENT_ID, END_DT, RI_TIMECARD_ID, IMAGE_ID, FILENAME, BARCODE_LABEL_ID, " +
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da.Fill(ds, "documents");
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string[] sInvoices = invoiceNumber.Split(',');
foreach (string sInvoice in sInvoices)
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... map the data
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ds.Tables["documents"].Rows.Add(dr);
// Create the insert command
string insertCommandText =
"INSERT /*+ append */ INTO PS_table " +
"(SEQ_NBR, BUSINESS_UNIT, INVOICE, ASSIGNMENT_ID, END_DT, RI_TIMECARD_ID, IMAGE_ID, FILENAME, BARCODE_LABEL_ID, DIRECT_INVOICING, " +
"EXCLUDE_FLG, DTTM_CREATED, DTTM_MODIFIED, IMAGE_DATA, PROCESS_INSTANCE) " +
"VALUES (INV.nextval, :BUSINESS_UNIT, :INVOICE, :ASSIGNMENT_ID, :END_DT, :RI_TIMECARD_ID, :IMAGE_ID, :FILENAME, " +
":BARCODE_LABEL_ID, :DIRECT_INVOICING, :EXCLUDE_FLG, :DTTM_CREATED, :DTTM_MODIFIED, :IMAGE_DATA, :PROCESS_INSTANCE)";
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da.InsertCommand = new OleDbCommand(insertCommandText);
da.InsertCommand.Connection = oc;
// Add the params to the insert
da.InsertCommand.Parameters.Add(":BUSINESS_UNIT", OleDbType.VarChar, 5, "BUSINESS_UNIT");
da.InsertCommand.Parameters.Add(":INVOICE", OleDbType.VarChar, 22, "INVOICE");
da.InsertCommand.Parameters.Add(":ASSIGNMENT_ID", OleDbType.VarChar, 15, "ASSIGNMENT_ID");
da.InsertCommand.Parameters.Add(":END_DT", OleDbType.Date, 0, "END_DT");
da.InsertCommand.Parameters.Add(":RI_TIMECARD_ID", OleDbType.VarChar, 10, "RI_TIMECARD_ID");
da.InsertCommand.Parameters.Add(":IMAGE_ID", OleDbType.VarChar, 8, "IMAGE_ID");
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da.InsertCommand.Parameters.Add(":DTTM_CREATED", OleDbType.Date, 0, "DTTM_CREATED");
da.InsertCommand.Parameters.Add(":DTTM_MODIFIED", OleDbType.Date, 0, "DTTM_MODIFIED");
da.InsertCommand.Parameters.Add(":IMAGE_DATA", OleDbType.Binary, System.Convert.ToInt32(filedata.Length), "IMAGE_DATA");
da.InsertCommand.Parameters.Add(":PROCESS_INSTANCE", OleDbType.VarChar, 10, "PROCESS_INSTANCE");
// Update the table
da.Update(ds, "documents");Here is what Oracle is showing as blocking locks and the SQL that has been identified with each of the SIDS. Not sure why there is contention. There are no triggers or joined tables in this piece of code.
Here is the SQL all of the SIDs below are running:
INSERT INTO sysadm.PS_RI_INV_PDF_MERG (SEQ_NBR, BUSINESS_UNIT, INVOICE, ASSIGNMENT_ID, END_DT, RI_TIMECARD_ID, IMAGE_ID, FILENAME, BARCODE_LABEL_ID, DIRECT_INVOICING, EXCLUDE_FLG, DTTM_CREATED, DTTM_MODIFIED, IMAGE_DATA, PROCESS_INSTANCE) VALUES (SYSADM.INV_PDF_MERG.nextval,
:BUSINESS_UNIT, :INVOICE, :ASSIGNMENT_ID, :END_DT, :RI_TIMECARD_ID, :IMAGE_ID, :FILENAME, :BARCODE_LABEL_ID, :DIRECT_INVOICING, :EXCLUDE_FLG, :DTTM_CREATED, :DTTM_MODIFIED, :IMAGE_DATA, :PROCESS_INSTANCE)
SID 1452 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX1 is blocking SID 1150 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX1
SID 1452 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX1 is blocking SID 1452 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX1
SID 1452 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX1 is blocking SID 1156 (BTSUSER,biztprdi,BTSNTSvc64.exe) in instance FSLX3
SID 1452 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX1 is blocking SID 6 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX2
SID 1452 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX1 is blocking SID 1726 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX2
SID 1452 (BTSUSER,BIZTPRDI,BTSNTSvc64.exe) in instance FSLX1 is blocking SID 2016 (BTSUSER,biztprdi,BTSNTSvc64.exe) in instance FSLX2
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