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append 2 files to a new file.

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Tan Yvette

Posts: 1
Nickname: iooi
Registered: Nov, 2006

append 2 files to a new file.

Posted: Nov 9, 2006 11:13 PM

hellos everyone!

i need to do a java program..
-to parse in 2 .xml files.
-and append both of them into a new file.

i have a set of codes but it don seem to be able to add things into the new-created file.

please help!!

thanks in advance! :D

here's the codes.

__________________________________________________________

import org.w3c.dom.*;
import org.xml.sax.SAXException;
import org.apache.xerces.parsers.DOMParser;
import java.io.*;

public class DOMyufen {

public static Document parseDOM (String sourceFile)
throws Exception {
try {
DOMParser objParser = new DOMParser();
objParser.parse(sourceFile); //Parse the source file
return objParser.getDocument();
} catch (Exception ex) {
System.err.println("Failed with exception: " + ex);
}
return null;
}

public static void printXMLfromDOM (Element element) {

int k;
NamedNodeMap attributes;
NodeList children = element.getChildNodes();
System.out.print("<" + element.getNodeName());
//Start from this element

//print attributes inside the element start tag
attributes = element.getAttributes();
if (attributes != null) {
for (k=0; k<attributes.getLength(); k++) {
System.out.print(" " +
attributes.item(k).getNodeName());
System.out.print("=" +
attributes.item(k).getNodeValue());
}
}
//check for element value or sub-elements
if (element.hasChildNodes()) {
System.out.print(">");

//print all child elements in the DOM tree
for (k=0; k<children.getLength(); k++) {
if (children.item(k).getNodeType() ==
org.w3c.dom.Node.ELEMENT_NODE) {

//printElement((Element)children.item(k));

printXMLfromDOM((Element)children.item(k));
} else if (children.item(k).getNodeType() ==
org.w3c.dom.Node.TEXT_NODE){

System.out.print(children.item(k).getNodeValue());
}
}
//print end tag
System.out.print("</" + element.getNodeName() +">");
} else {
System.out.print("/>"); //element sees to be empty
} //else ends here

} //printXMLfromDom ends here

public static void main (String [] args) throws IOException {

Document document;

try {
document = parseDOM ("cleavableICAT_ms2x2_2dta1.xml");

if (document != null) {
System.out.println("*** XML document ***");
printXMLfromDOM(document.getDocumentElement());
}
else
System.out.println("*** null file ***");
} catch (Exception ex) {}

Document document2;

try {
document2 = parseDOM ("output.2006_10_19_09_35_18.t.xml");

if (document2 != null) {
System.out.println("*** XML document ***");
printXMLfromDOM(document2.getDocumentElement());
}
else
System.out.println("*** null file ***");
} catch (Exception ex) {}

FileWriter fOut = new FileWriter("mergedResult.xml", true);
BufferedOutputStream bf = new BufferedOutputStream(f);
DataOutputStream dos = new DataOutputStream (bf);

dos.writeUTF(document2);

dos.close();

}

_________________________________________________________

end of codes.

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