How to comment the xml tags using java

Iam using a xml file i want to comment some of the tags in that file

And your quesion is? Did you parse it into a Document and do you want to write a changed version into another file?

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How to create nested xml tags using java parser?

Hi,
I need to create a xml file containing following tags using java program-
<A attr1="abc">

<C attr3="pqr"> </C>

</A>
Can anyone please let me know which parser should I use to create the above mentioned xml file?
If possible, please post a code snippet for the same.
Thanks in advance..

Well, you could start by doing it all the 'old fashioned' way; create a String object containing that text and then write it away to a file. Or you could take the time to look at the javadoc for all of the xml support that the Java language itself supplies - XMLReader/Writer for a start. After that put together some code that you think would do the job and ask for help on any specific problems you encounter.

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Populating one Drop-Down list from the selection of another Drop-down list
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Hi All,
I have a question here
I want to retrieve the XML tag from a XML file instead of its value.
Example:
<item>Colgate</item>
Now I want to retrieve "item" as output from XPath expression, I dont want its value as "colgate"
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You can do this with an axes XPatch expression:
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How to write as XML file using java 1.5

hi all,
i am trying to create an XML file using java 1.5. I took a XML creating java file which was working with java 1.4 and ported same file into java 1.5 with changes according to the SAX and DOM implmentation in java 1.5 and tried to compile. But while writing as a file it throws error "cannot find the symbol."
can any body help me out to solve this issue.......
thankx in advance
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.NamedNodeMap;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.DocumentHandler;
import org.xml.sax.InputSource;
import org.xml.sax.helpers.ParserFactory;
import java.io.*;
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
               dbf.setNamespaceAware(true);
DocumentBuilder db = dbf.newDocumentBuilder();
Document xmlDoc = db.newDocument();
// this creates the xml document ref
// parent node reference
Element rootnd = (Element) xmlDoc.createElement("ALL_TABLES");
// root node
xmlDoc.appendChild(rootnd);
Element rownd = (Element) xmlDoc.createElement("ROW");
rootnd.appendChild(rownd);
Element statusnd = (Element) xmlDoc.createElement("FILE_STATUS");
rownd.appendChild(statusnd);
statusnd.appendChild(xmlDoc.createTextNode("Y")
FileOutputStream outpt = new FileOutputStream(outdir + "//forbranch.xml");
Writer outf = new OutputStreamWriter(outpt, "UTF-8");
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Hi,
when I look in the JDK1.4.2 specification I don't see any write method in the Document interface.
However, your solution is the Transformer class. There you transform your DOM tree into any output you need. Your code sould look something like this:     TransformerFactory tf = TransformerFactory.newInstance();
     // set all necessary features for your transformer -> see OutputKeys
     Transformer t = tf.newTransformer();
     t.transform(new DOMSource(xmlDoc), new StreamResult(file));Then you have your XML file stored in the file system.
Hope it helps.

Search and Replace XML TAG using JAVA

Hi All,
I have an XML file, say RESULT.XML Which has about 30000 Lines (yes Thirty Thousand ). For some reason i need to replace an existing tag with a different tag(not the value inside the tag, But the tag itself) . I am facing a challenge. I will explain it as below.
I have a csv file which has 2 values as given below
<VALUE A> , <VALUE B>
where <VALUE A> is an existing node in the RESULT.XML and <VALUE B> is the node that should replace <VALUE A> in the RESULT.XML
i have 500 such entries in the file.
Now i need to write a program to read the csv file, Search <VALUE A> in the RESULT.XML and Replace it with <VALUE B> of the csv file.
please let me know how do i start with this.
I really want to fix this issue.
Existing Node = <Product ID="role (contact) 3" UserTypeID="Product Number">_
To be changed to = <Product ID= role (contact)3" UserTypeID="Product Number">_
please reply if you need any further information
Thanks in Advance
Manzoor

Sounds like a job for XSLT or Perl not Java though it can be done in Java. In Java I would initially try
1) Read the csv file using one of the many free CSV parsers and build a Map<String,String>.
2) Create a Rewriter using the map keys as targets and use the map values as replacements.
3) Read the XML file line by line and process each line with the Rewriter.
4) Save each line to an output file.
For a one-off task this would probably serve but it could prove very slow if you need to run this on a daily basis.

How to Update existing XML File Using Java Swing

Hi,
I am reading XML file and getting keywords into JList. When i add some keywords into JList through textfield and remove keywords JList, then after click on save button it should update xml file. How can i do it ?
Please provide me some code tips for updating xml file
This is the code that i am using for reading XML File:
import javax.swing.*;
import java.awt.event.*;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.util.*;
import java.text.Collator;
import java.util.regex.*;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import com.cloudgarden.layout.AnchorConstraint;
import com.cloudgarden.layout.AnchorLayout;
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static JPanel p;
static JLabel lbl;
static JButton btnSave,btnAdd,btnRemove;
static String path;
static Vector v;
static JList lstCur;
static JTextField txtKey;
Document dom;
static image imgval;
NodeList nodelstImage;
static AnchorLayout anchorLay;
private DefaultListModel lstCurModel;
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 super("Current Keywords");
 v=new Vector();
 p=new JPanel();
 txtKey=new JTextField(10);
 btnAdd=new JButton("Add");
 btnRemove=new JButton("Remove");
 btnSave=new JButton("Save");
 lbl=new JLabel("Current Keywords");
 lstCurModel=new DefaultListModel();
 lstCur=new JList();
 JScrollPane scr=new JScrollPane(lstCur);
 runExample();
 lstCur.setModel(lstCurModel);
 p.add(lbl);
 p.add(scr);
 p.add(txtKey);
 p.add(btnAdd);
 p.add(btnRemove);
 p.add(btnSave);
 add(p);
 btnAdd.addActionListener(this);
 btnRemove.addActionListener(this);
 btnSave.addActionListener(this);
 setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
public static void main(String arg[])
 getKeywords g=new getKeywords();
 g.resize(250,400);
 g.setVisible(true);
public void actionPerformed(ActionEvent ae)
 if(ae.getSource()==btnAdd)
 lstCurModel.addElement(txtKey.getText());
 if(ae.getSource()==btnRemove)
 lstCurModel.remove(lstCur.getSelectedIndex());
 if(ae.getSource()==btnSave)
 //Code to Write
 public void runExample()
 //Parse the XML file and get the DOM object
 ParseXMLFile();
 //Get the Detail of the Image Document
 parseImageDocument();
 //Get the Detail of the LML Document
 //parseLMLDocument();
 //System.out.println(lmlval.Title);
 public void ParseXMLFile()
 //Get the Factory
 DocumentBuilderFactory builderFac = DocumentBuilderFactory.newInstance();
 try
 //Using factory get an instance of the Document Builder
 DocumentBuilder builder = builderFac.newDocumentBuilder();
 //parse using builder to get DOM representation of the XML file
 dom = builder.parse("LML.xml");
 catch(ParserConfigurationException pce)
 pce.printStackTrace();
 catch(SAXException sax)
 sax.printStackTrace();
 catch(IOException ioex)
 ioex.printStackTrace();
 public void parseImageDocument()
 //Get the root element
 Element docImgEle = dom.getDocumentElement();
 //Get a nodelist for <Image> Element
 nodelstImage = docImgEle.getElementsByTagName("Image");
 if(nodelstImage != null && nodelstImage.getLength() > 0)
 for(int i = 0; i < nodelstImage.getLength(); i++)
 //Get the LML elements
 Element el = (Element)nodelstImage.item(i);
 //Get the LML object
 getImage myImgval = new getImage();
 imgval = myImgval.getimage(el);
 v.addElement(new String(imgval.Thumb));
 String[] x = Pattern.compile(",").split(imgval.Keys);
 for (int s=0; s<x.length; s++)
 lstCurModel.addElement(x[s].trim());
 //System.out.println(x[s].trim());
} Thanks
Nitin

You should update your DOM document to represent the changes that you want made.
Then, using the Transformation API you simply transform your document onto a stream representing your file. Something like this:
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
// TODO - set indentation amount!
Source source = new DOMSource(dom);
Result result = new StreamResult(file);
transformer.transform(source, result);Hope this helps.

How to parse the xml file using servlet

My scenario is like this:
FILE-->XI-->J2EE Application
XI sends the xml file to j2ee application. My servlet receives the file in HTTPRequest string.
How to parse that file using servlets.I should get the xml file as it is and should be displayed in the browser.
Can anyone please help me with code, its urgent.
Please help me!

Download this java code
http://java.sun.com/webservices/jaxp/dist/1.1/docs/tutorial/sax/work/Echo02.java
in your servlet code you can write
public void doPost(req,resp){
DefaultHandler handler = new Echo02();
handler.parse(req.getInputStream());
Offcourse you will need to modify the code of Echo02 class a bit to suit your requirement which would finally retrun you a string and you can then write it using
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Hello,
I need to upload the file using JSP, but I don't want to use java componets(such as
jspsmart).
Who can tell me how to realize it? This issue is very important to me,
thanks all in advance!

make you're own servlet using the multipartrequest from o'reilly.
easy and simple, no jspsmart, only 1 jar file and some descent programming.
I use it like that...

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If anyone has any tool or knows any free ware that helps me, I would like to know about it, and I would really appreciate it.

1. Read the XML file into a DMO object, walk the DOM to find the list, insert your new entry as a child, write the DOM back to a file.
2. If the XML is not in a file, but in a string, then you can do the same with string input and output.

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Can pls tell me. I want to validate the XML File for the Some Mandartory TAG. if that if Tag null i want to generate error xml file with error and i want move another folder with java. pls help me as soon as possible

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You have no idea? Then look in your JavaMail download and you will find several sample programs that you can use to get started. It would also help to read the JavaMail FAQ (Google will find it easily for you).

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I want to print the GR tag from migo using z-output type. Pls let me know the solution.

Hi,
Please chek the following.
1. Txn. NACE... Choose "ME" and click on "Output Types" ... check in you output types did you maintained the Form (WE01, WE02,WE03)
2. Txn. NACE....Choose "ME" and click on "condition Records"... here maintain the details
Trans./Event Type: WE
Print Version: 1/2/3
Print iten: 6
Med: 1
Dat: 4
Lang: EN
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SPRO>MM>Inventory Management and Physical Inventory-->Output Determination..
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1. Maintain Conditions
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Regards
GK.
Edited by: Gnana Kumar on Nov 11, 2010 11:46 AM

How to comment the xml tags using java

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