Example usage for javax.xml.bind Unmarshaller unmarshal

Introduction

In this page you can find the example usage for javax.xml.bind Unmarshaller unmarshal.

Prototype

public Object unmarshal(javax.xml.stream.XMLEventReader reader) throws JAXBException;

Source Link

Document

Unmarshal XML data from the specified pull parser and return the resulting content tree.

Usage

From source file:Main.java

@SuppressWarnings("unchecked")
public static <T> Object xmlToObject(InputStream xmlContent, Class<T> clazz) throws JAXBException {

    JAXBContext context = JAXBContext.newInstance(clazz);
    Unmarshaller unmarshaller = context.createUnmarshaller();
    unmarshaller.setSchema(null); //note: setting schema to null will turn validator off
    Object unMarshalled = unmarshaller.unmarshal(xmlContent);
    Object xmlObject = clazz.cast(unMarshalled);

    return (T) xmlObject;
}

From source file:Main.java

/**
 * @param file/*from  w w w.  j  a  va2s  .co  m*/
 * @return
 * @throws JAXBException
 */
public static Object unmarshalXML(Class clasz, InputStream file) throws JAXBException {
    //1. We need to create JAXContext instance
    JAXBContext jaxbContext = JAXBContext.newInstance(clasz);

    //2. Use JAXBContext instance to create the Unmarshaller.
    Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();

    //3. Use the Unmarshaller to unmarshal the XML document to get an instance of JAXBElement.
    return (file != null) ? unmarshaller.unmarshal(file) : null;
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <T> Object xmlToObject(String xmlContent, Class<T> clazz) throws JAXBException {

    ByteArrayInputStream xmlContentBytes = new ByteArrayInputStream(xmlContent.getBytes());
    JAXBContext context = JAXBContext.newInstance(clazz);
    Unmarshaller unmarshaller = context.createUnmarshaller();
    unmarshaller.setSchema(null); //note: setting schema to null will turn validator off
    Object unmarshalledObj = unmarshaller.unmarshal(xmlContentBytes);
    Object xmlObject = clazz.cast(unmarshalledObj);

    return (T) xmlObject;
}

From source file:com.u2apple.tool.filter.ExcludeFilter.java

private static void loadRules() {
    URL url = DevicePatternFilter.class.getResource(RULES_CONF);
    File file = new File(url.getFile());
    JAXBContext jaxbContext;/*from w ww.j  av a 2 s  . com*/
    try {
        jaxbContext = JAXBContext.newInstance(Rules.class);
        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
        rules = (Rules) unmarshaller.unmarshal(file);
    } catch (JAXBException ex) {
        logger.error("Fail to parse exclude-filter.xml as {}", ex);
    }
}

From source file:eu.planets_project.tb.impl.serialization.ExperimentRecords.java

/**
 * @param in/* w w w  .  java  2s. co  m*/
 * @return
 */
public static ExperimentRecords readFromInputStream(InputStream in) {
    try {
        JAXBContext jc = JAXBContext.newInstance(ExperimentRecords.class);
        Unmarshaller u = jc.createUnmarshaller();
        ExperimentRecords exp = (ExperimentRecords) u.unmarshal(in);
        return exp;
    } catch (JAXBException e) {
        log.fatal("Reading Experiments from XML failed: " + e);
        return null;
    }
}

From source file:att.jaxrs.util.Marshal.java

public static <T> T unmarshal(Class<T> xmlType, InputStream inputStream) {
    System.out.println("unmarshalling input stream");
    BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
    StringBuilder out = new StringBuilder();
    try {/*from www . j  a va2s. c  om*/
        String line;
        while ((line = reader.readLine()) != null) {
            out.append(line);
        }
    } catch (IOException e) {
        System.out.println(e.getMessage());
    }
    String namespace = out.toString();

    namespace = namespace.replaceAll(Constants.DATA_SERVICE_XMLNS, "");

    InputStream stream = Util.getInputStreamFromString(namespace);
    JAXBContext jaxbContext;
    XmlRootElement doc = null;
    try {
        jaxbContext = JAXBContext.newInstance(xmlType);
        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
        doc = (XmlRootElement) unmarshaller.unmarshal(stream);
        System.out.println("unmarshall successful");
    } catch (JAXBException e) {
        e.printStackTrace();
    }
    return (T) doc;
}

From source file:com.netsteadfast.greenstep.util.DynamicHqlUtils.java

public static DynamicHql loadResource(String resource) throws Exception {
    DynamicHql dynamicHql = resourceDataMap.get(resource);
    if (dynamicHql == null) {
        InputStream in = null;// w ww  .j av  a 2s .  co m
        try {
            in = DynamicHqlUtils.class.getResourceAsStream("/dynamichql/" + resource);
            byte[] xmlBytes = IOUtils.toByteArray(in);
            JAXBContext jaxbContext = JAXBContext.newInstance(DynamicHql.class);
            Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
            dynamicHql = (DynamicHql) jaxbUnmarshaller.unmarshal(new ByteArrayInputStream(xmlBytes));
            resourceDataMap.put(resource, dynamicHql);
        } catch (IOException e) {
            logger.error(e.getMessage().toString());
            throw e;
        } finally {
            if (in != null) {
                IOUtils.closeQuietly(in);
            }
            in = null;
        }
    }
    return dynamicHql;
}

From source file:eu.hydrologis.jgrass.featureeditor.utils.Utilities.java

/**
 * Parse a form xml.//  w  w w  . j av  a  2 s .co m
 * 
 * @param xml the xml containing the form definition. 
 * @return the {@link AForm}.
 * @throws Exception
 */
public static AForm parseXML(String xml) throws Exception {
    JAXBContext jc = JAXBContext.newInstance("eu.hydrologis.jgrass.featureeditor.xml.annotated"); //$NON-NLS-1$
    Unmarshaller um = jc.createUnmarshaller();
    StringReader sr = new StringReader(xml);
    return (AForm) um.unmarshal(sr);
}

From source file:Main.java

/**
 * Reads an XML file and returns the content as an object of the specified class. 
 * @param file               XML file.// w ww.ja  v  a  2  s.  co m
 * @param typeParameterClass   Class of the main object in the XML file.
 * @return                  Content as an object of the specified class.
 */
@SuppressWarnings("unchecked")
public static <T> T read(File file, Class<T> typeParameterClass) {
    T content = null;
    try {
        JAXBContext jaxbContext = JAXBContext.newInstance(typeParameterClass);

        Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
        //jaxbUnmarshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");

        content = (T) jaxbUnmarshaller.unmarshal(file);
    } catch (JAXBException e) {
        e.printStackTrace();
    }
    return content;
}

From source file:com.impetus.ankush.agent.utils.XMLUtils.java

/**
 * Method to get an XML Object for the given class type from the provided
 * XML configuration file .//from  w  w  w. j ava  2  s.  com
 * 
 * @param <S>
 *            The class name for which XML object needs to be returned.
 * @param filePath
 *            File Path of XML file.
 * @param className
 *            Class name of returning object.
 * @return The Object of provided class
 * @throws Exception
 */
public static <S> S getXMLObject(String filePath, Class<S> className) throws Exception {
    // java XML context object.
    JAXBContext jc = JAXBContext.newInstance(className);
    // file.
    File file = new File(filePath);
    if (file.exists()) {
        // if file exists read the file content.
        String fileContent = FileUtils.readFileToString(file);
        // if not empty then unmarshal the object.
        if (!fileContent.isEmpty()) {
            // Creating unmarshaller
            Unmarshaller unmarshaller = jc.createUnmarshaller();
            // Getting component services
            S object = (S) unmarshaller.unmarshal(file);
            // returning object.
            return object;
        }
    }
    return null;
}