90 lines
3.1 KiB
Java
90 lines
3.1 KiB
Java
package eu.eudat.logic.utilities.builders;
|
|
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
import org.w3c.dom.Document;
|
|
import org.w3c.dom.Element;
|
|
import org.w3c.dom.Node;
|
|
import org.w3c.dom.NodeList;
|
|
import org.xml.sax.InputSource;
|
|
import org.xml.sax.SAXException;
|
|
|
|
import javax.xml.parsers.DocumentBuilder;
|
|
import javax.xml.parsers.DocumentBuilderFactory;
|
|
import javax.xml.parsers.ParserConfigurationException;
|
|
import javax.xml.transform.Transformer;
|
|
import javax.xml.transform.TransformerException;
|
|
import javax.xml.transform.TransformerFactory;
|
|
import javax.xml.transform.dom.DOMSource;
|
|
import javax.xml.transform.stream.StreamResult;
|
|
import java.io.IOException;
|
|
import java.io.StringReader;
|
|
import java.io.StringWriter;
|
|
|
|
|
|
public class XmlBuilder {
|
|
private static final Logger logger = LoggerFactory.getLogger(XmlBuilder.class);
|
|
|
|
public static Document getDocument() {
|
|
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
|
|
DocumentBuilder docBuilder;
|
|
try {
|
|
docBuilder = docFactory.newDocumentBuilder();
|
|
Document doc = docBuilder.newDocument();
|
|
return doc;
|
|
} catch (ParserConfigurationException e) {
|
|
// TODO Auto-generated catch block
|
|
logger.error(e.getMessage(), e);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static String generateXml(Document doc) {
|
|
TransformerFactory tFact = TransformerFactory.newInstance();
|
|
Transformer trans;
|
|
try {
|
|
trans = tFact.newTransformer();
|
|
StringWriter writer = new StringWriter();
|
|
StreamResult result = new StreamResult(writer);
|
|
DOMSource source = new DOMSource(doc);
|
|
trans.transform(source, result);
|
|
return writer.toString();
|
|
} catch (TransformerException e) {
|
|
// TODO Auto-generated catch block
|
|
logger.error(e.getMessage(), e);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static Document fromXml(String xml) {
|
|
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
|
|
DocumentBuilder docBuilder;
|
|
try {
|
|
docBuilder = docFactory.newDocumentBuilder();
|
|
InputSource inputStream = new InputSource(new StringReader(xml));
|
|
Document doc = docBuilder.parse(inputStream);
|
|
return doc;
|
|
} catch (ParserConfigurationException | SAXException | IOException e) {
|
|
// TODO Auto-generated catch block
|
|
logger.error(e.getMessage(), e);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static String getItemValueAsString(String xml,String name){
|
|
Document doc = fromXml(xml);
|
|
Element root = doc.getDocumentElement();
|
|
return root.getElementsByTagName(name).item(0).getNodeValue();
|
|
}
|
|
|
|
public static Element getNodeFromListByTagName(NodeList list, String tagName) {
|
|
for (int temp = 0; temp < list.getLength(); temp++) {
|
|
Node element = list.item(temp);
|
|
if (element.getNodeType() == Node.ELEMENT_NODE) {
|
|
if (element.getNodeName().equals(tagName)) return (Element) element;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
}
|