Main.java Source code

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Here is the source code for Main.java

Source

import java.io.File;
import java.util.List;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlID;
import javax.xml.bind.annotation.XmlIDREF;
import javax.xml.bind.annotation.XmlRootElement;

public class Main {

    public static void main(String[] args) throws Exception {
        JAXBContext jc = JAXBContext.newInstance(Graph.class);

        Unmarshaller unmarshaller = jc.createUnmarshaller();
        File xml = new File("input.xml");
        Graph graph = (Graph) unmarshaller.unmarshal(xml);

        Marshaller marshaller = jc.createMarshaller();
        marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
        marshaller.marshal(graph, System.out);
    }

    @XmlRootElement
    @XmlAccessorType(XmlAccessType.FIELD)
    public static class Graph {

        @XmlElement(name = "vertex")
        List<Vertex> vertexList;

        @XmlElement(name = "edge")
        List<Edge> edgeList;

    }

    @XmlAccessorType(XmlAccessType.FIELD)
    public static class Edge {

        @XmlAttribute
        @XmlIDREF
        Vertex end1;

        @XmlAttribute
        @XmlIDREF
        Vertex end2;

    }

    @XmlAccessorType(XmlAccessType.FIELD)
    public static class Vertex {

        @XmlAttribute
        @XmlID
        String id;

        @XmlAttribute
        String color;

        @XmlAttribute
        Integer thickness;

    }
}