|
//An XML Document Providing an Element for Export
/*
<?xml version="1.0" standalone="yes"?>
<!DOCTYPE contacts [
<!ELEMENT contacts (person)*>
<!ELEMENT person (name, email)>
<!ELEMENT name (#PCDATA | bold)*>
<!ELEMENT email (#PCDATA)>
]>
<contacts>
<person>
<name>Ichobad Crane</name>
<email>sleepy@hollow.net</email>
</person>
</contacts>*/
//An XML Document to Receive an Imported Element
/*
<?xml version="1.0" standalone="yes"?>
<!DOCTYPE folks [
<!ELEMENT folks (person)*>
<!ELEMENT person (name, phone, email)>
<!ELEMENT name (#PCDATA | bold)*>
<!ELEMENT phone (#PCDATA)>
<!ELEMENT email (#PCDATA)>
]>
<folks>
<person>
<name>Zaphod Beeblebrox</name>
<phone>907 555-9882</phone>
<email>outer@space.net</email>
</person>
</folks>
*/
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import javax.xml.parsers.ParserConfigurationException;
import java.io.*;
public class DOMImport {
static public void main(String[] arg) {
if(arg.length != 3) {
System.err.println(
"Usage: DOMImport <infile1> <infile2> <outfile>");
System.exit(1);
}
DOMImport dc = new DOMImport();
dc.inandout(arg[0],arg[1],arg[2]);
}
public void inandout(String infile1,String infile2,String outfile) {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(true);
dbf.setNamespaceAware(true);
dbf.setIgnoringElementContentWhitespace(true);
Document doc1 = null;
Document doc2 = null;
try {
DocumentBuilder builder = dbf.newDocumentBuilder();
builder.setErrorHandler(new MyErrorHandler());
InputSource is1 = new InputSource(infile1);
doc1 = builder.parse(is1);
InputSource is2 = new InputSource(infile2);
doc2 = builder.parse(is2);
importName(doc1,doc2);
FileOutputStream fos = new FileOutputStream(outfile);
TreeToXML ttxml = new TreeToXML();
ttxml.write(fos,doc2);
fos.close();
} catch (SAXException e) {
System.exit(1);
} catch (ParserConfigurationException e) {
System.err.println(e);
System.exit(1);
} catch (IOException e) {
System.err.println(e);
System.exit(1);
}
}
public void importName(Document doc1,Document doc2) {
Element root1 = doc1.getDocumentElement();
Element personInDoc1 = (Element)root1.getFirstChild();
Node importedPerson = doc2.importNode(personInDoc1,true);
Element root2 = doc2.getDocumentElement();
root2.appendChild(importedPerson);
}
}
|