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import java.io.File;
import java.util.HashMap;
import java.util.Map;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Entity;
import org.w3c.dom.EntityReference;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class Main {
public static void main(String[] argv) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setValidating(true);
factory.setExpandEntityReferences(false);
Document doc = factory.newDocumentBuilder().parse(new File("filename"));
Map entityValues = new HashMap();
getEntityValues(doc, entityValues);
NamedNodeMap entities = doc.getDoctype().getEntities();
for (int i = 0; i < entities.getLength(); i++) {
Entity entity = (Entity) entities.item(i);
System.out.println(entity);
String entityName = entity.getNodeName();
System.out.println(entityName);
String entityPublicId = entity.getPublicId();
System.out.println(entityPublicId);
String entitySystemId = entity.getSystemId();
System.out.println(entitySystemId);
Node entityValue = (Node) entityValues.get(entityName);
System.out.println(entityValue);
}
}
public static void getEntityValues(Node node, Map map) {
if (node instanceof EntityReference) {
map.put(node.getNodeName(), node);
}
NodeList list = node.getChildNodes();
for (int i = 0; i < list.getLength(); i++) {
getEntityValues(list.item(i), map);
}
}
}
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