Example usage for javax.xml.stream XMLStreamReader next

List of usage examples for javax.xml.stream XMLStreamReader next

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Introduction

In this page you can find the example usage for javax.xml.stream XMLStreamReader next.

Prototype

public int next() throws XMLStreamException;

Source Link

Document

Get next parsing event - a processor may return all contiguous character data in a single chunk, or it may split it into several chunks.

Usage

From source file:wiki.link.LinkImporter.java

public boolean readXML(String filename) {

    //System.exit(1);
    //MAKE BLOODY SURE YOU HAVE SOME HOURS.
    DbConnector dbc = new DbConnector("localhost");
    dbc.jdbcTemplate.update("TRUNCATE links;");
    try {/*from ww w.j a v a2s . c  o m*/
        XMLInputFactory xif = XMLInputFactory.newInstance();
        XMLStreamReader xsr = xif.createXMLStreamReader(new FileInputStream(filename));

        long n = 0;
        List<Doc> toSave = new ArrayList<>();
        while (xsr.hasNext()) {
            xsr.next();
            if (xsr.getEventType() == XMLStreamReader.START_ELEMENT) {
                if (xsr.getLocalName().equals("page")) {
                    long id = -1;
                    String title = null;
                    String text = null;
                    while (xsr.hasNext()) {
                        xsr.next();
                        if (xsr.getEventType() == XMLStreamReader.START_ELEMENT) {
                            if (xsr.getLocalName().equals("id") && id == -1) {
                                id = Long.parseLong(xsr.getElementText());
                            }
                            if (xsr.getLocalName().equals("title")) {
                                title = xsr.getElementText();
                            }
                            if (xsr.getLocalName().equals("text")) {
                                text = xsr.getElementText();
                            }
                        } else if (xsr.getEventType() == XMLStreamReader.END_ELEMENT
                                && xsr.getLocalName().equals("page")) {
                            break;
                        }
                    }
                    if (id != -1 && title != null && text != null) {
                        Doc wd = new Doc(id, title, text);
                        toSave.add(wd);
                        n++;
                        if (n % 1000 == 0) {
                            insertLinks(toSave, dbc);
                            //                                WikiDoc.insertAll(toSave, dbc);
                            System.out.println(n);
                            toSave.clear();
                        }
                    }
                }
            }
        }
    } catch (IOException | XMLStreamException e) {
        e.printStackTrace();
    }
    return true;
}

From source file:edu.utah.further.core.xml.xquery.UTestXQueryServiceBaseX.java

/**
 * Execute a test XQuery document and put the results in a Stream.
 * //from w  w  w . j a v  a  2  s.c  o m
 * @throws XMLStreamException
 */
@Test
public void executeXQueryIntoStream() throws XMLStreamException {
    final XMLStreamReader result = xQueryService.executeIntoStream(testXQuery, testXmlDocument,
            new HashMap<String, String>());
    assertNotNull(result);

    String elementResult = null;
    while (result.hasNext()) {
        if (result.next() == XMLStreamReader.START_ELEMENT && result.getName().getLocalPart() == "message") {
            elementResult = result.getElementText();
        }
    }

    assertNotNull(elementResult);
    assertThat(elementResult, is("Hello World!"));
}

From source file:hudson.model.ExternalRun.java

/**
 * Instead of performing a build, accept the log and the return code from a
 * remote machine./*  w  ww . j a va 2 s.c  o  m*/
 *
 * <p> The format of the XML is:
 *
 * <pre><xmp>
 * <run>
 *  <log>...console output...</log>
 *  <result>exit code</result>
 * </run>
 * </xmp></pre>
 */
@SuppressWarnings({ "Since15" })
public void acceptRemoteSubmission(final Reader in) throws IOException {
    final long[] duration = new long[1];
    run(new Runner() {
        private String elementText(XMLStreamReader r) throws XMLStreamException {
            StringBuilder buf = new StringBuilder();
            while (true) {
                int type = r.next();
                if (type == CHARACTERS || type == CDATA) {
                    buf.append(r.getTextCharacters(), r.getTextStart(), r.getTextLength());
                } else {
                    return buf.toString();
                }
            }
        }

        public Result run(BuildListener listener) throws Exception {
            PrintStream logger = null;
            try {
                logger = new PrintStream(new DecodingStream(listener.getLogger()));

                XMLInputFactory xif = XMLInputFactory.newInstance();
                XMLStreamReader p = xif.createXMLStreamReader(in);

                p.nextTag(); // get to the <run>
                p.nextTag(); // get to the <log>

                charset = p.getAttributeValue(null, "content-encoding");
                while (p.next() != END_ELEMENT) {
                    int type = p.getEventType();
                    if (type == CHARACTERS || type == CDATA) {
                        logger.print(p.getText());
                    }
                }
                p.nextTag(); // get to <result>

                Result r = Integer.parseInt(elementText(p)) == 0 ? Result.SUCCESS : Result.FAILURE;

                p.nextTag(); // get to <duration> (optional)
                if (p.getEventType() == START_ELEMENT && p.getLocalName().equals("duration")) {
                    duration[0] = Long.parseLong(elementText(p));
                }

                return r;
            } finally {
                IOUtils.closeQuietly(logger);
            }
        }

        public void post(BuildListener listener) {
            // do nothing
        }

        public void cleanUp(BuildListener listener) {
            // do nothing
        }
    });

    if (duration[0] != 0) {
        super.duration = duration[0];
        // save the updated duration
        save();
    }
}

From source file:net.bulletin.pdi.xero.step.support.XMLChunkerImpl.java

@Override
public String pullNextXmlChunk() throws KettleException {
    Stack<String> elementStack = xmlChunkerState.getElementStack();
    XMLStreamReader xmlStreamReader = xmlChunkerState.getXmlStreamReader();

    try {//from  www . j a  v  a 2 s  . co m

        while (xmlStreamReader.hasNext()) {

            switch (xmlStreamReader.next()) {

            case XMLStreamConstants.END_DOCUMENT:
                return null;

            case XMLStreamConstants.END_ELEMENT:
                elementStack.pop();
                break;

            case XMLStreamConstants.START_ELEMENT:
                elementStack.push(xmlStreamReader.getLocalName());

                if (actualElementStackHasExpectedElements(xmlChunkerState)) {
                    return pullNextXmlChunkFromTopElementOnStack(xmlChunkerState);
                }

                break;

            }

        }
    } catch (Exception e) {
        throw new KettleException("a problem has arisen reading the xero xml stream", e);
    }

    return null;
}

From source file:edu.indiana.d2i.htrc.io.index.solr.SolrClient.java

private NamedVector parseOneVolume(InputStream content) throws XMLStreamException, IOException {
    //      java.io.BufferedReader br = new java.io.BufferedReader(new java.io.InputStreamReader(content));
    //      String line = "";
    //      while ((line = br.readLine()) != null) {
    //         System.out.println(line);
    //      }//from   ww  w  .  j a v  a2 s  .co m
    //      br.close();

    String volumeID = null;
    Vector vector = null;
    XMLStreamReader parser = factory.createXMLStreamReader(content);
    while (parser.hasNext()) {
        int event = parser.next();
        if (event == XMLStreamConstants.START_ELEMENT) {
            String attributeValue = parser.getAttributeValue(null, "name");
            if (attributeValue != null) {
                if (attributeValue.equals(VOLUME_ID)) {
                    volumeID = parser.getElementText();
                    volumeID = pairtree.uncleanId(volumeID);
                } else if (attributeValue.equals(VOLUME_OCR)) {
                    vector = createVector(parser);
                    break;
                }
            }
        }
    }

    NamedVector tv = new NamedVector(vector, volumeID);
    return tv;
}

From source file:org.deegree.protocol.ows.http.OwsHttpResponseTest.java

/**
 * Test method for {@link org.deegree.protocol.ows.http.OwsHttpResponse#getAsXMLStream()}.
 *///  w  w  w.  j  a  v a 2  s  . c  o m
@Test
public void testGetAsXMLStreamScenario1() throws OWSExceptionReport, XMLStreamException {
    XMLStreamReader xmlStream = scenario1.getAsXMLStream();
    int i = 0;
    while (xmlStream.hasNext()) {
        xmlStream.next();
        i++;
    }
    xmlStream.close();
    assertEquals(8215, i);
}

From source file:com.sazneo.export.file.FileProcessor.java

/**
 * Process the XML file/*  ww w  .j a v  a 2 s.  c o m*/
 */
public void process() {
    try {
        Reader reader = new FileReader(exportFile);
        XMLInputFactory xmlFactory = XMLInputFactory.newInstance();
        XMLStreamReader xmlStreamReader = xmlFactory.createXMLStreamReader(reader);
        boolean fileTag = false;
        String fileName = null;
        Integer fileSize = null;
        while (xmlStreamReader.hasNext()) {
            xmlStreamReader.next();

            if (xmlStreamReader.getEventType() == XMLStreamReader.START_ELEMENT) {
                if ("file".equals(xmlStreamReader.getLocalName())) {
                    fileTag = true;
                    fileName = MessageFormat.format("{0}_{1}", xmlStreamReader.getAttributeValue(null, "id"),
                            xmlStreamReader.getAttributeValue(null, "filename"));
                    fileSize = Integer.parseInt(xmlStreamReader.getAttributeValue(null, "size"));
                    logger.debug(MessageFormat.format("XML contains file with name: {0} and size {1} bytes",
                            fileName, fileSize));
                }
            }

            if (fileTag) {
                if (xmlStreamReader.getEventType() == XMLStreamReader.CHARACTERS) {
                    exportFile(xmlStreamReader.getText(), fileName, fileSize);
                }

                if (xmlStreamReader.getEventType() == XMLStreamReader.END_ELEMENT) {
                    fileSize = null;
                    fileName = null;
                    fileTag = false;
                }
            }
        }
    } catch (FileNotFoundException e) {
        logger.error(MessageFormat.format("Could not find export file:-\n{0}", e));
    } catch (XMLStreamException e) {
        logger.error(MessageFormat.format("Could not parse xml export file:-\n{0}", e));
    }
}

From source file:fr.mobilit.neo4j.server.service.nantes.CycleRentTest.java

@BeforeClass
public void setUp() throws Exception {
    super.setUp(true);
    HttpClient client = new HttpClient();
    GetMethod get = null;/*www .j  av a 2  s  .c o  m*/
    try {
        // we do the http call and parse the xml response
        get = new GetMethod(CycleRentImpl.IMPORT_URL);
        client.executeMethod(get);
        javax.xml.stream.XMLInputFactory factory = javax.xml.stream.XMLInputFactory.newInstance();
        javax.xml.stream.XMLStreamReader parser = factory.createXMLStreamReader(get.getResponseBodyAsStream());
        ArrayList<String> currentXMLTags = new ArrayList<String>();
        int depth = 0;
        while (true) {
            int event = parser.next();
            if (event == javax.xml.stream.XMLStreamConstants.END_DOCUMENT) {
                break;
            }
            switch (event) {
            case javax.xml.stream.XMLStreamConstants.START_ELEMENT:
                currentXMLTags.add(depth, parser.getLocalName());
                String tagPath = currentXMLTags.toString();
                // here we have a match, so we construct the POI
                if (tagPath.equals("[carto, markers, marker]")) {
                    numberOfStations++;
                }
                depth++;
                break;
            case javax.xml.stream.XMLStreamConstants.END_ELEMENT:
                depth--;
                currentXMLTags.remove(depth);
                break;
            default:
                break;
            }
        }
    } catch (Exception e) {
        throw new RuntimeException(e.getMessage(), e.getCause());
    } finally {
        get.releaseConnection();
    }
}

From source file:au.org.ala.bhl.DocumentPaginator.java

private void paginateImpl(XMLStreamReader parser, PageHandler handler) throws Exception {

    if (parser == null) {
        return;/*w  w w.j a  v a  2  s  . c  o m*/
    }

    StringBuilder buffer = new StringBuilder();

    String currentPage = null;

    while (true) {
        int event = parser.next();
        if (event == XMLStreamConstants.END_DOCUMENT) {
            parser.close();
            break;
        }

        if (event == XMLStreamConstants.START_ELEMENT) {
            if (parser.getLocalName().equals("PARAM")) {
                String attrName = parser.getAttributeValue("", "name");
                if (attrName.equals("PAGE")) {

                    if (!StringUtils.isEmpty(currentPage)) {
                        if (handler != null) {
                            handler.handlePage(currentPage, buffer.toString());
                        }
                    }

                    buffer = new StringBuilder();
                    currentPage = parser.getAttributeValue("", "value");
                }
            }
        }

        if (event == XMLStreamConstants.CHARACTERS) {
            String value = StringUtils.trim(parser.getText());
            if (!StringUtils.isEmpty(value)) {
                buffer.append(value).append(" ");
            }
        }
    }

}

From source file:com.gtdfree.test.XMLTest.java

public void testParserEncoding() {

    try {/*  ww w  . j  av  a 2 s .  co m*/

        File file = new File("./src/test/resources/gtd-free-data_2.1.xml");
        InputStream is = new FileInputStream(file);
        XMLStreamReader r = XMLInputFactory.newInstance().createXMLStreamReader(is);
        System.out.println(r.getEncoding());
        assertEquals("UTF-8", r.getEncoding());
        while (r.hasNext()) {
            r.next();
        }
        r.close();
        is.close();

        file = new File("./src/test/resources/gtd-free-data_WIN1250_2.1.xml");
        is = new FileInputStream(file);
        r = XMLInputFactory.newInstance().createXMLStreamReader(is);
        System.out.println(r.getEncoding());
        assertEquals("UTF-8", r.getEncoding());
        try {
            while (r.hasNext()) {
                r.next();
            }
            fail("This should not happend.");
        } catch (Exception e) {
            //e.printStackTrace();
        }
        r.close();
        is.close();

        file = new File("./src/test/resources/gtd-free-data_2.1_enc.xml");
        is = new FileInputStream(file);
        r = XMLInputFactory.newInstance().createXMLStreamReader(is);
        System.out.println(r.getEncoding());
        assertEquals("UTF-8", r.getEncoding());
        while (r.hasNext()) {
            r.next();
        }
        r.close();
        is.close();

        file = new File("./src/test/resources/gtd-free-data_WIN1250_2.1_enc.xml");
        is = new FileInputStream(file);
        r = XMLInputFactory.newInstance().createXMLStreamReader(is);
        System.out.println(r.getEncoding());
        assertEquals("WINDOWS-1250", r.getEncoding());
        while (r.hasNext()) {
            r.next();
        }
        r.close();
        is.close();

    } catch (Exception e) {

        e.printStackTrace();
        fail(e.getMessage());

    }

}