package org.jconfig.parser;
import org.jconfig.Configuration;
import org.jconfig.DefaultConfiguration;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
*
* @author Andreas Mecky andreas.mecky@xcom.de
* @author Terry Dye terry.dye@xcom.de
*/
public class AdvancedConfigParser implements ConfigurationParser {
public AdvancedConfigParser() {
}
/**
* Gets the variables attribute of the ConfigurationManager object
*
*@param doc Description of the Parameter
*@return The variables value
*/
private static void getVariables(Document doc,Configuration config) {
NodeList nl = doc.getElementsByTagName("variables");
for (int i = 0; i < nl.getLength(); i++) {
Node n = nl.item(i);
for (Node child = n.getFirstChild(); child != null; child = child.getNextSibling()) {
// get all vraibles
if (child.getNodeName().equals("variable")) {
NamedNodeMap myAtt = child.getAttributes();
Node myNode = myAtt.getNamedItem("name");
String name = myNode.getNodeValue();
myNode = myAtt.getNamedItem("value");
String value = myNode.getNodeValue();
if (name != null && value != null) {
// we store the name as ${name} so we have
// it directly the way it is used
//String rname = "${" + name + "}";
//config.setVariable(rname, value);
config.setVariable(name, value);
}
}
}
}
}
/**
* Description of the Method
*
*@param doc Description of the Parameter
*/
public Configuration parse(Document doc,String configName) {
Configuration configuration = new DefaultConfiguration(configName);
String currentCategory;
getVariables(doc,configuration);
// first we get all nodes where the element is category
NodeList nl = doc.getElementsByTagName("category");
for (int i = 0; i < nl.getLength(); i++) {
// now we get every node from the list
Node n = nl.item(i);
// and get the name attribute for this category
NamedNodeMap curAtt = n.getAttributes();
Node curNode = curAtt.getNamedItem("name");
currentCategory = curNode.getNodeValue();
configuration.setCategory(currentCategory);
// now we process all children for this category
for (Node child = n.getFirstChild(); child != null; child = child.getNextSibling()) {
// we take the tag name as property name
if ( child.getNodeType() == 1 && child.getFirstChild() != null ) {
String name = child.getNodeName();
String value = child.getFirstChild().getNodeValue();
if (name != null && value != null) {
// the key is always category/name
// e.g. general/congig_file
configuration.setProperty(name,value,currentCategory);
}
}
}
}
return configuration;
}
}