ansim/NetReader.java

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package ansim;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;

import ansim.Edge;

public class NetReader {
    public static void read(String net, List<Edge> edges) {
        try {
            InputStream in = new FileInputStream(net);
            XMLInputFactory factory = XMLInputFactory.newInstance();
            XMLStreamReader parser = factory.createXMLStreamReader(in);
            for (int event = parser.next(); event != XMLStreamConstants.END_DOCUMENT; event = parser.next()) {
                if (event == XMLStreamConstants.START_ELEMENT) {
                    if (parser.getLocalName().equals("edge")) {
                        String id = "";
                        float length = 0;
                        float speed = 0;
                        String name = "";
                        float xfrom = 0;
                        float yfrom = 0;
                        float xto = 0;
                        float yto = 0;
                        for (int attr = 0; attr < parser.getAttributeCount(); attr++) {
                            String attrName = parser.getAttributeLocalName(attr);
                            String value = parser.getAttributeValue(attr);
                            if ("id".equals(attrName))
                                id = value;
                            if ("Length".equals(attrName))
                                length = Float.parseFloat(value);
                            if ("Speed".equals(attrName))
                                speed = Float.parseFloat(value);
                            if ("Name".equals(attrName))
                                name = value;
                            if ("XFrom".equals(attrName))
                                xfrom = Float.parseFloat(value);
                            if ("YFrom".equals(attrName))
                                yfrom = Float.parseFloat(value);
                            if ("XTo".equals(attrName))
                                xto = Float.parseFloat(value);
                            if ("YTo".equals(attrName))
                                yto = Float.parseFloat(value);

                        }
                        Edge edge = new Edge(id, length, speed, name, xfrom,yfrom, xto, yto);
                        edges.add(edge);
                    }
                }
            }
            parser.close();
        } catch (XMLStreamException ex) {
            System.out.println(ex);
        } catch (IOException ex) {
            System.out.println("IOException while parsing " + net);
        }
    }
}