85 lines
2.5 KiB
Java
85 lines
2.5 KiB
Java
package eu.eudat.utilities.builders;
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import java.io.IOException;
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import java.io.StringReader;
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import java.io.StringWriter;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerConfigurationException;
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import javax.xml.transform.TransformerException;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.dom.DOMSource;
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import javax.xml.transform.stream.StreamResult;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import org.xml.sax.InputSource;
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import org.xml.sax.SAXException;
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import eu.eudat.entities.xmlmodels.viewstyledefinition.FieldSet;
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public class XmlBuilder {
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public static Document getDocument(){
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DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
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DocumentBuilder docBuilder;
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try {
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docBuilder = docFactory.newDocumentBuilder();
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Document doc = docBuilder.newDocument();
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return doc;
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} catch (ParserConfigurationException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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return null;
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}
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}
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public static String generateXml(Document doc){
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TransformerFactory tFact = TransformerFactory.newInstance();
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Transformer trans;
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try {
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trans = tFact.newTransformer();
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StringWriter writer = new StringWriter();
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StreamResult result = new StreamResult(writer);
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DOMSource source = new DOMSource(doc);
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trans.transform(source, result);
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return writer.toString();
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} catch (TransformerException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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return null;
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}
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}
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public static Document fromXml(String xml){
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DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
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DocumentBuilder docBuilder;
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try {
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docBuilder = docFactory.newDocumentBuilder();
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InputSource inputStream = new InputSource(new StringReader(xml));
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Document doc = docBuilder.parse(inputStream);
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return doc;
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} catch (ParserConfigurationException | SAXException | IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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return null;
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}
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}
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public static Element getNodeFromListByTagName(NodeList list, String tagName) {
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for (int temp = 0; temp < list.getLength(); temp++) {
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Node element = list.item(temp);
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if (element.getNodeType() == Node.ELEMENT_NODE) {
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if(element.getNodeName().equals(tagName))return (Element) element;
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}
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}
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return null;
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}
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}
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