controller.JaxbUtil.java Source code

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Here is the source code for controller.JaxbUtil.java

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/*
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package controller;

import java.io.StringWriter;
import java.util.Collection;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.annotation.XmlAnyElement;
import javax.xml.namespace.QName;
import org.apache.commons.lang.StringUtils;

/**
 *
 * @author yangchen
 */
public class JaxbUtil {
    private JAXBContext jaxbContext;

    //??Root
    public JaxbUtil(Class<?>... types) {
        try {
            jaxbContext = JAXBContext.newInstance(types);
        } catch (JAXBException e) {
            throw new RuntimeException(e);
        }
    }

    //object->Xml
    public String toXml(Object root, String encoding) {
        try {
            StringWriter writer = new StringWriter();
            createMarshaller(encoding).marshal(root, writer);
            return writer.toString();
        } catch (JAXBException ex) {
            throw new RuntimeException(ex);
        }
    }

    //object list -> xml Root ElementCollection
    @SuppressWarnings("unchecked")
    public String toXml(Collection root, String rootName, String encoding) {
        try {
            CollectionWrapper wrapper = new CollectionWrapper();
            wrapper.collection = root;
            JAXBElement<CollectionWrapper> wrapperElement = new JAXBElement<CollectionWrapper>(new QName(rootName),
                    CollectionWrapper.class, wrapper);
            StringWriter writer = new StringWriter();
            createMarshaller(encoding).marshal(wrapperElement, writer);
            return writer.toString();
        } catch (JAXBException ex) {
            throw new RuntimeException(ex);
        }
    }

    //marshallerencoding
    public Marshaller createMarshaller(String encoding) {
        try {
            Marshaller marshaller = jaxbContext.createMarshaller();
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);

            if (StringUtils.isNotBlank(encoding)) {
                marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding);
            }
            return marshaller;
        } catch (JAXBException ex) {
            throw new RuntimeException(ex);
        }
    }

    //?Root ElementCollection
    public static class CollectionWrapper {
        @SuppressWarnings("unchecked")
        @XmlAnyElement
        protected Collection collection;
    }
}