package org.openmeetings.app.documents;
import java.io.FileWriter;
import org.dom4j.Document;
import org.dom4j.io.XMLWriter;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;
public class InstallationDocumentHandler {
public static final String installFileName = "install.xml";
private static InstallationDocumentHandler instance;
private InstallationDocumentHandler() {}
public static synchronized InstallationDocumentHandler getInstance() {
if (instance == null) {
instance = new InstallationDocumentHandler();
}
return instance;
}
public void createDocument(String filePath, Integer stepNo) throws Exception {
Document document = DocumentHelper.createDocument();
Element root = document.addElement( "install" );
Element step = root.addElement("step");
step.addElement("stepnumber").addText(stepNo.toString());
step.addElement("stepname").addText("Step "+stepNo);
XMLWriter writer = new XMLWriter( new FileWriter( filePath ) );
writer.write( document );
writer.close();
}
public int getCurrentStepNumber(String filePath) throws Exception{
SAXReader reader = new SAXReader();
Document document = reader.read(filePath+InstallationDocumentHandler.installFileName);
Node node = document.selectSingleNode( "//install/step/stepnumber" );
return Integer.valueOf(node.getText()).intValue();
}
}