Output to a file in java Post: 302361925

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Top Forums Programming Output to a file in java Post 302361925 by c0mrade on Wednesday 14th of October 2009 11:19:26 AM

10-14-2009

Registered User

Output to a file in java

I wanna remove element from xml file, when I run the following code I get the correct output when I'm outputing to console but when I'm trying to ouptup the same code to a file I get the same / original xml file without removed element, here is the code :

Code:

import java.io.*;

import org.w3c.dom.*;
import org.xml.sax.*;
import javax.xml.parsers.*;
import javax.xml.transform.*; 
import javax.xml.transform.dom.DOMSource; 
import javax.xml.transform.stream.StreamResult;

public class RemoveBlock {

  static public void main(String[] arg) {
    try{
      String xmlFile = "Management.xml";
      File file = new File(xmlFile);
      String remElement = "Physical_Order_List_Array";
      if (file.exists()){
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document doc = builder.parse(xmlFile);
        TransformerFactory tFactory = TransformerFactory.newInstance();
        Transformer tFormer = tFactory.newTransformer();
        Element element = (Element)doc.getElementsByTagName(remElement).item(0);
//        Remove the node
        element.getParentNode().removeChild(element);
//              Normalize the DOM tree to combine all adjacent nodes
        doc.normalize();
        Source source = new DOMSource(doc);
        Result dest = new StreamResult(System.out);
        tFormer.transform(source, dest);
       // System.out.println();
       // saveStringToFile("emir.xml", "dsds"); -> write method
      }
      else{
        System.out.println("File not found!");
      }
    }
    catch (Exception e){
      System.err.println(e);
      System.exit(0);
    }
  }
}

The code above is working but when I want to change it to output to a file like : Result dest = new StreamResult(new File("foo.xml")); or Result dest = new StreamResult(new FileOutputStream("foo.xml")); its not working, any indications why ?

Thank you

c0mrade

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LEARN ABOUT CENTOS

crm_diff

PACEMAKER(8)						  System Administration Utilities					      PACEMAKER(8)

NAME

       Pacemaker - Part of the Pacemaker cluster resource manager

SYNOPSIS

       crm_diff original_xml operation [options]

DESCRIPTION

       crm_diff - A utility for comparing Pacemaker configurations (XML format)

       The tool produces a custom (diff-like) output which it can also apply like a patch

OPTIONS

       -?, --help
	      This text

       -$, --version
	      Version information

       -V, --verbose
	      Increase debug output

   Original XML:
       -o, --original=value
	      XML is contained in the named file

       -O, --original-string=value
	      XML is contained in the supplied string

   Operation:
       -n, --new=value
	      Compare the original XML to the contents of the named file

       -N, --new-string=value
	      Compare the original XML to the contents of the supplied string

       -p, --patch=value
	      Patch the original XML with the contents of the named file

   Additional Options:
       -c, --cib
	      Compare/patch the inputs as a CIB (includes versions details)

       -f, --filter
	      Suppress irrelevant differences between the two inputs

EXAMPLES

       Obtain the two different configuration files by running cibadmin on the two cluster setups to compare:

	      # cibadmin --query > cib-old.xml

	      # cibadmin --query > cib-new.xml

       Calculate and save the difference between the two files:

	      # crm_diff --original cib-old.xml --new cib-new.xml > patch.xml

       Apply the patch to the original file:

	      # crm_diff --original cib-old.xml --patch patch.xml > updated.xml

       Apply the patch to the running cluster:

	      # cibadmin --patch patch.xml

AUTHOR

       Written by Andrew Beekhof

REPORTING BUGS

       Report bugs to pacemaker@oss.clusterlabs.org

Pacemaker 1.1.10-29.el7 					     June 2014							      PACEMAKER(8)