Example usage for javax.xml.stream XMLInputFactory createXMLStreamReader

Introduction

In this page you can find the example usage for javax.xml.stream XMLInputFactory createXMLStreamReader.

Prototype

public abstract XMLStreamReader createXMLStreamReader(java.io.InputStream stream) throws XMLStreamException;

Source Link

Document

Create a new XMLStreamReader from a java.io.InputStream

Usage

From source file:Main.java

public static XMLStreamReader parse(String fileName) throws IOException, XMLStreamException {
    FileInputStream input = new FileInputStream(fileName);
    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLStreamReader xmlStreamReader = xif.createXMLStreamReader(input);

    return xmlStreamReader;
}

From source file:Main.java

/**
 * StAX parse XML resource into XMLStreamReader
 * @return XMLStreamReader/*from ww w  .  ja  v a2  s  .  com*/
 * @throws IOException
 * @throws XMLStreamException
 */
public static XMLStreamReader parse(URL url) throws IOException, XMLStreamException {
    InputStream input = url.openStream();
    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLStreamReader xmlStreamReader = xif.createXMLStreamReader(input);

    return xmlStreamReader;
}

From source file:Main.java

/**
 * Creates {@link javax.xml.stream.XMLStreamReader} of a {@link InputStream}. The start document is already skipped.
 * //from   w  w w.j a v  a 2 s . co  m
 * @param inputStream
 *            never <code>null</code>
 * @return reader the {@link XMLStreamReader} from the passed {@link InputStream}, never <code>null</code>
 * @throws XMLStreamException
 *             - input stream could not be parsed as xml
 */
public static XMLStreamReader createReader(InputStream inputStream) throws XMLStreamException {
    XMLInputFactory factory = XMLInputFactory.newInstance();
    XMLStreamReader reader = factory.createXMLStreamReader(inputStream);
    skipStartDocument(reader);
    return reader;
}

From source file:Main.java

/**
 * Determines if the given stream contains XML content. The stream will be
 * buffered and reset if necessary.//from w w w  . j  a v a  2 s .  c o  m
 * 
 * @param stream
 *            The InputStream to read.
 * @return true if the stream contains XML content; false otherwise.
 */
public static boolean isXML(InputStream stream) {
    if (!stream.markSupported()) {
        stream = new BufferedInputStream(stream, 1024);
    }
    stream.mark(1024);
    byte[] bytes = new byte[1024];
    try {
        try {
            stream.read(bytes);
        } finally {
            stream.reset();
        }
    } catch (IOException iox) {
        throw new RuntimeException("Failed to read or reset stream. " + iox.getMessage());
    }
    try {
        XMLInputFactory factory = XMLInputFactory.newInstance();
        XMLStreamReader reader = factory.createXMLStreamReader(new ByteArrayInputStream(bytes));
        // If XML, now in START_DOCUMENT state; seek document element.
        reader.nextTag();
    } catch (XMLStreamException xse) {
        return false;
    }
    return true;
}

From source file:Main.java

private static XMLStreamReader createXmlStreamReader(XMLInputFactory xmlInputFactory, InputStream inputStream) {
    XMLStreamReader xmlStreamReader = null;
    try {/*from   w w w.  ja  v  a2 s  .c  o m*/
        xmlStreamReader = xmlInputFactory.createXMLStreamReader(inputStream);
    } catch (XMLStreamException e) {
        e.printStackTrace();
    }
    return xmlStreamReader;
}

From source file:de.bloxel.engine.util.JAXBUtils.java

public static <T> T unmarschal(final InputStream inputStream, final Class<T> aClass) {
    try {/*from ww  w.  j a  v  a  2  s .com*/
        // http://jaxb.java.net/faq/index.html#classloader
        final JAXBContext jc = JAXBContext.newInstance(getPackageCanonicalName(aClass));
        final Unmarshaller unmarshaller = jc.createUnmarshaller();
        // http://jaxb.java.net/guide/Unmarshalling_is_not_working__Help_.html
        unmarshaller.setEventHandler(new javax.xml.bind.helpers.DefaultValidationEventHandler());
        final XMLInputFactory staxFactory = XMLInputFactory.newInstance();
        final XMLStreamReader xmlReader = staxFactory.createXMLStreamReader(inputStream);
        return unmarshaller.unmarshal(xmlReader, aClass).getValue();
    } catch (final JAXBException e) {
        throw new RuntimeException(String.format("Can't load unmarschal '%s'", aClass), e);
    } catch (final XMLStreamException e) {
        throw new RuntimeException(String.format("Can't load unmarschal '%s'", aClass), e);
    }
}

From source file:edu.harvard.i2b2.timeline.lifelines.QueryClient.java

public static OMElement getQueryPayLoad(String queryXML) throws XMLStreamException {
    OMFactory fac = OMAbstractFactory.getOMFactory();
    OMNamespace omNs = fac.createOMNamespace("http://mgh.harvard.edu/i2b2", "");
    OMElement method = fac.createOMElement("queryPatient", omNs);

    StringReader strReader = new StringReader(queryXML);
    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLStreamReader reader = xif.createXMLStreamReader(strReader);

    StAXOMBuilder builder = new StAXOMBuilder(reader);
    OMElement lineItem = builder.getDocumentElement();
    method.addChild(lineItem);/*w ww  .  jav  a 2 s  .co m*/
    return method;
}

From source file:edu.harvard.i2b2.pm.ws.PMServiceDriver.java

/**
 * Function to convert pm requestVdo to OMElement
 * //from   ww w . java 2s .com
 * @param requestPm   String request to send to pm web service
 * @return An OMElement containing the pm web service requestVdo
 */
public static OMElement getPmPayLoad(String requestPm) throws Exception {
    OMElement lineItem = null;
    try {
        StringReader strReader = new StringReader(requestPm);
        XMLInputFactory xif = XMLInputFactory.newInstance();
        XMLStreamReader reader = xif.createXMLStreamReader(strReader);

        StAXOMBuilder builder = new StAXOMBuilder(reader);
        lineItem = builder.getDocumentElement();
    } catch (FactoryConfigurationError e) {
        log.error(e.getMessage());
        throw new Exception(e);
    }
    return lineItem;
}

From source file:edu.harvard.i2b2.previousquery.QueryListNamesClient.java

public static OMElement getQueryPayLoad(String XMLstr) throws Exception {
    StringReader strReader = new StringReader(XMLstr);
    XMLInputFactory xif = XMLInputFactory.newInstance();
    XMLStreamReader reader = xif.createXMLStreamReader(strReader);

    StAXOMBuilder builder = new StAXOMBuilder(reader);
    OMElement lineItem = builder.getDocumentElement();
    //System.out.println("Line item string " + lineItem.toString());
    return lineItem;
}

From source file:edu.harvard.i2b2.eclipse.plugins.pft.ws.PFTServiceDriver2.java

/**
 * Function to convert PFT requestPdo to OMElement
 * //from  ww w . jav  a2  s . co m
 * @param requestPdo   String requestPdo to send to PFT web service
 * @return An OMElement containing the PFT web service requestPdo
 */
public static OMElement getPFTPayLoad(String requestPdo) throws Exception {
    OMElement method = null;
    try {
        OMFactory fac = OMAbstractFactory.getOMFactory();
        OMNamespace omNs = fac.createOMNamespace("http://i2b2.mgh.harvard.edu/message", "i2b2");
        method = fac.createOMElement("getPulmonaryData", omNs);

        StringReader strReader = new StringReader(requestPdo);
        XMLInputFactory xif = XMLInputFactory.newInstance();
        XMLStreamReader reader = xif.createXMLStreamReader(strReader);

        StAXOMBuilder builder = new StAXOMBuilder(reader);
        OMElement lineItem = builder.getDocumentElement();
        method.addChild(lineItem);
    } catch (FactoryConfigurationError e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        log.error(e.getMessage());
        throw new Exception(e);
    }
    return method;
}