Deleting Empty Lines 

Hello,

Suppose you want to delete the empty lines from the Text File  ...

You can use the JCN .......WOW it woks........

Following are the code .........in JCN

import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.io.PrintStream; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Scanner; import com.ibm.broker.javacompute.MbJavaComputeNode; import com.ibm.broker.plugin.MbBLOB; import com.ibm.broker.plugin.MbElement; import com.ibm.broker.plugin.MbException; import com.ibm.broker.plugin.MbMessage; import com.ibm.broker.plugin.MbMessageAssembly; import com.ibm.broker.plugin.MbOutputTerminal; import com.ibm.broker.plugin.MbUserException; public class IdiotFlow_JavaCompute extends MbJavaComputeNode {                 public void evaluate(MbMessageAssembly inAssembly) throws MbException {                                 MbOutputTerminal out = getOutputTerminal("out");                 //            MbOutputTerminal alt = getOutputTerminal("alternate");                                 MbMessage inMessage = inAssembly.getMessage();                                                                 MbElement inputRoot=inMessage.getRootElement();                                  byte[] MessageBodyByteArray  = (byte[])(inputRoot.getFirstElementByPath("/BLOB/BLOB").getValue());                                 byte[] outdata = createFile(MessageBodyByteArray);                                  MbMessageAssembly outAssembly = null;                                 try {                                                 MbMessage outMessage = new MbMessage();                                                 copyMessageHeaders(inMessage, outMessage);                                                 outAssembly = new MbMessageAssembly(inAssembly, outMessage);                                                                                                 MbElement outRoot = outMessage.getRootElement();                                                 MbElement outParser = outRoot.createElementAsLastChild(MbBLOB.PARSER_NAME);                                                 outParser.createElementAsLastChild(MbElement.TYPE_NAME_VALUE, "BLOB", outdata);                                                                                                                                 } catch (MbException e) {                                                 // Re-throw to allow Broker handling of MbException                                                 throw e;                                 } catch (RuntimeException e) {                                                 // Re-throw to allow Broker handling of RuntimeException                                                 throw e;                                 } catch (Exception e) {                                                 // Consider replacing Exception with type(s) thrown by user code                                                 // Example handling ensures all exceptions are re-thrown to be handled in the flow                                                 throw new MbUserException(this, "evaluate()", "", "", e.toString(),                                                                                 null);                                 }                                 // The following should only be changed                                 // if not propagating message to the 'out' terminal                                 out.propagate(outAssembly);                 }                                 public void copyMessageHeaders(MbMessage inMessage, MbMessage outMessage)                                                 throws MbException {                                 MbElement outRoot = outMessage.getRootElement();                                                                 MbElement header = inMessage.getRootElement().getFirstChild();                                 while (header != null && header.getNextSibling() != null) // stop before                                                                                                                                                                                                                                                                                                 {                                                                                                 outRoot.addAsLastChild(header.copy());                                                                                 header = header.getNextSibling();                                 }                 }                 @SuppressWarnings("null")                 private byte[] createFile(byte[] MessageBodyByteArray)                 {                                 byte[] output = null;                                 InputStream source = new ByteArrayInputStream(MessageBodyByteArray);                                 OutputStream out1= new ByteArrayOutputStream();                                 PrintStream out = new PrintStream(out1);                                 Scanner scanner=new Scanner(source) ;                                 try{                                                 while(scanner.hasNextLine()){                                                     String line = scanner.nextLine();                                                     line = line.trim();                                                     if(line.length() > 0)                                                         out.println(line);                                                 }    ByteArrayOutputStream bOut = new ByteArrayOutputStream();                                            output= ((ByteArrayOutputStream) out1).toByteArray();                                 } catch ( Exception ex ) {          System.out.println(ex);      }                                 return output;                 } }