Example usage for javax.xml.stream XMLStreamReader nextTag

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

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Introduction

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

Prototype

public int nextTag() throws XMLStreamException;

Source Link

Document

Skips any white space (isWhiteSpace() returns true), COMMENT, or PROCESSING_INSTRUCTION, until a START_ELEMENT or END_ELEMENT is reached.

Usage

From source file:org.deegree.style.se.parser.GraphicSymbologyParser.java

private Pair<Mark, Continuation<Mark>> parseMark(XMLStreamReader in) throws XMLStreamException {
    in.require(START_ELEMENT, null, "Mark");

    Mark base = new Mark();
    Continuation<Mark> contn = null;

    in.nextTag();

    while (!(in.isEndElement() && in.getLocalName().equals("Mark"))) {
        if (in.isEndElement()) {
            in.nextTag();//from w  w  w.j  av  a 2  s  .  c  o m
        }

        if (in.getLocalName().equals("WellKnownName")) {
            String wkn = in.getElementText();
            try {
                base.wellKnown = SimpleMark.valueOf(wkn.toUpperCase());
            } catch (IllegalArgumentException e) {
                LOG.warn("Specified unsupported WellKnownName of '{}', using square instead.", wkn);
                base.wellKnown = SimpleMark.SQUARE;
            }
        } else
            sym: if (in.getLocalName().equals("OnlineResource") || in.getLocalName().equals("InlineContent")) {
                LOG.debug("Loading mark from external file.");
                Triple<InputStream, String, Continuation<StringBuffer>> pair = getOnlineResourceOrInlineContent(
                        in);
                if (pair == null) {
                    in.nextTag();
                    break sym;
                }
                InputStream is = pair.first;
                in.nextTag();

                in.require(START_ELEMENT, null, "Format");
                String format = in.getElementText();
                in.require(END_ELEMENT, null, "Format");

                in.nextTag();
                if (in.getLocalName().equals("MarkIndex")) {
                    base.markIndex = Integer.parseInt(in.getElementText());
                }

                if (is != null) {
                    try {
                        java.awt.Font font = null;
                        if (format.equalsIgnoreCase("ttf")) {
                            font = createFont(TRUETYPE_FONT, is);
                        }
                        if (format.equalsIgnoreCase("type1")) {
                            font = createFont(TYPE1_FONT, is);
                        }

                        if (format.equalsIgnoreCase("svg")) {
                            base.shape = ShapeHelper.getShapeFromSvg(is, pair.second);
                        }

                        if (font == null && base.shape == null) {
                            LOG.warn("Mark was not loaded, because the format '{}' is not supported.", format);
                            break sym;
                        }

                        if (font != null && base.markIndex >= font.getNumGlyphs() - 1) {
                            LOG.warn("The font only contains {} glyphs, but the index given was {}.",
                                    font.getNumGlyphs(), base.markIndex);
                            break sym;
                        }

                        base.font = font;
                    } catch (FontFormatException e) {
                        LOG.debug("Stack trace:", e);
                        LOG.warn("The file was not a valid '{}' file: '{}'", format, e.getLocalizedMessage());
                    } catch (IOException e) {
                        LOG.debug("Stack trace:", e);
                        LOG.warn("The file could not be read: '{}'.", e.getLocalizedMessage());
                    } finally {
                        closeQuietly(is);
                    }
                }
            } else if (in.getLocalName().equals("Fill")) {
                final Pair<Fill, Continuation<Fill>> fill = context.fillParser.parseFill(in);
                base.fill = fill.first;
                if (fill.second != null) {
                    contn = new Continuation<Mark>(contn) {
                        @Override
                        public void updateStep(Mark base, Feature f, XPathEvaluator<Feature> evaluator) {
                            fill.second.evaluate(base.fill, f, evaluator);
                        }
                    };
                }
            } else if (in.getLocalName().equals("Stroke")) {
                final Pair<Stroke, Continuation<Stroke>> stroke = context.strokeParser.parseStroke(in);
                base.stroke = stroke.first;
                if (stroke.second != null) {
                    contn = new Continuation<Mark>(contn) {
                        @Override
                        public void updateStep(Mark base, Feature f, XPathEvaluator<Feature> evaluator) {
                            stroke.second.evaluate(base.stroke, f, evaluator);
                        }
                    };
                }
            } else if (in.isStartElement()) {
                Location loc = in.getLocation();
                LOG.error("Found unknown element '{}' at line {}, column {}, skipping.",
                        new Object[] { in.getLocalName(), loc.getLineNumber(), loc.getColumnNumber() });
                skipElement(in);
            }
    }

    in.require(END_ELEMENT, null, "Mark");

    return new Pair<Mark, Continuation<Mark>>(base, contn);
}

From source file:org.deegree.style.se.parser.GraphicSymbologyParser.java

private Triple<BufferedImage, String, Continuation<List<BufferedImage>>> parseExternalGraphic(
        final XMLStreamReader in) throws IOException, XMLStreamException {
    // TODO color replacement

    in.require(START_ELEMENT, null, "ExternalGraphic");

    String format = null;/* w  w w . ja va2  s  . c o m*/
    BufferedImage img = null;
    String url = null;
    Triple<InputStream, String, Continuation<StringBuffer>> pair = null;
    Continuation<List<BufferedImage>> contn = null; // needs to be list to be updateable by reference...

    while (!(in.isEndElement() && in.getLocalName().equals("ExternalGraphic"))) {
        in.nextTag();

        if (in.getLocalName().equals("Format")) {
            format = in.getElementText();
        } else if (in.getLocalName().equals("OnlineResource") || in.getLocalName().equals("InlineContent")) {
            pair = getOnlineResourceOrInlineContent(in);
        } else if (in.isStartElement()) {
            Location loc = in.getLocation();
            LOG.error("Found unknown element '{}' at line {}, column {}, skipping.",
                    new Object[] { in.getLocalName(), loc.getLineNumber(), loc.getColumnNumber() });
            skipElement(in);
        }
    }

    try {
        if (pair != null) {
            if (pair.first != null && format != null && (format.toLowerCase().indexOf("svg") == -1)) {
                img = ImageIO.read(pair.first);
            }
            url = pair.second;

            final Continuation<StringBuffer> sbcontn = pair.third;

            if (pair.third != null) {
                final LinkedHashMap<String, BufferedImage> cache = new LinkedHashMap<String, BufferedImage>(
                        256) {
                    private static final long serialVersionUID = -6847956873232942891L;

                    @Override
                    protected boolean removeEldestEntry(Map.Entry<String, BufferedImage> eldest) {
                        return size() > 256; // yeah, hardcoded max size... TODO
                    }
                };
                contn = new Continuation<List<BufferedImage>>() {
                    @Override
                    public void updateStep(List<BufferedImage> base, Feature f,
                            XPathEvaluator<Feature> evaluator) {
                        StringBuffer sb = new StringBuffer();
                        sbcontn.evaluate(sb, f, evaluator);
                        String file = sb.toString();
                        if (cache.containsKey(file)) {
                            base.add(cache.get(file));
                            return;
                        }
                        try {
                            BufferedImage i;
                            if (context.location != null) {
                                i = ImageIO.read(context.location.resolve(file));
                            } else {
                                i = ImageIO.read(resolve(file, in));
                            }
                            base.add(i);
                            cache.put(file, i);
                        } catch (MalformedURLException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    }
                };
            }
        }
    } finally {
        if (pair != null) {
            try {
                pair.first.close();
            } catch (Exception e) {
                LOG.trace("Stack trace when closing input stream:", e);
            }
        }
    }

    return new Triple<BufferedImage, String, Continuation<List<BufferedImage>>>(img, url, contn);
}

From source file:org.deegree.style.se.parser.GraphicSymbologyParser.java

private Triple<InputStream, String, Continuation<StringBuffer>> getOnlineResourceOrInlineContent(
        XMLStreamReader in) throws XMLStreamException {
    if (in.getLocalName().equals("OnlineResource")) {
        String str = in.getAttributeValue(XLNNS, "href");

        if (str == null) {
            Continuation<StringBuffer> contn = context.parser.updateOrContinue(in, "OnlineResource",
                    new StringBuffer(), SBUPDATER, null).second;
            return new Triple<InputStream, String, Continuation<StringBuffer>>(null, null, contn);
        }//from  ww  w . ja  v a  2s  . co m

        String strUrl = null;
        try {
            URL url;
            if (context.location != null) {
                url = context.location.resolveToUrl(str);
            } else {
                url = resolve(str, in);
            }
            strUrl = url.toExternalForm();
            LOG.debug("Loading from URL '{}'", url);
            in.nextTag();
            return new Triple<InputStream, String, Continuation<StringBuffer>>(url.openStream(), strUrl, null);
        } catch (IOException e) {
            LOG.debug("Stack trace:", e);
            LOG.warn("Could not retrieve content at URL '{}'.", str);
            return null;
        }
    } else if (in.getLocalName().equals("InlineContent")) {
        String format = in.getAttributeValue(null, "encoding");
        if (format.equalsIgnoreCase("base64")) {
            ByteArrayInputStream bis = new ByteArrayInputStream(Base64.decodeBase64(in.getElementText()));
            return new Triple<InputStream, String, Continuation<StringBuffer>>(bis, null, null);
        }
        // if ( format.equalsIgnoreCase( "xml" ) ) {
        // // TODO
        // }
    } else if (in.isStartElement()) {
        Location loc = in.getLocation();
        LOG.error("Found unknown element '{}' at line {}, column {}, skipping.",
                new Object[] { in.getLocalName(), loc.getLineNumber(), loc.getColumnNumber() });
        skipElement(in);
    }

    return null;
}

From source file:org.eclipse.koneki.protocols.omadm.client.basic.DMBasicSession.java

private void readMessage(final InputStream in) throws XMLStreamException {
    final XMLStreamReader reader = this.dmClient.createXMLStreamReader(in, ENCODING, new StreamFilter() {

        @Override/*from w  w w.  ja  va 2s . com*/
        public boolean accept(final XMLStreamReader reader) {
            return !reader.isWhiteSpace() && !reader.isStandalone();
        }

    });

    jumpToStartTag(reader, "SyncHdr"); //$NON-NLS-1$

    readSyncHdr(reader);
    reader.nextTag();

    readSyncBody(reader);
    reader.nextTag();

    reader.close();
}

From source file:org.eclipse.koneki.protocols.omadm.client.basic.DMBasicSession.java

private void readSyncBody(final XMLStreamReader reader) throws XMLStreamException {
    boolean continueSyncBody = true;
    do {/*from  w  w w .  j  a  va2 s  .  c  o m*/

        int next = reader.nextTag();
        String name = reader.getLocalName();

        switch (next) {
        case XMLEvent.START_ELEMENT:
            switch (getKey(name)) {
            case STATUS:
                readStatus(reader);
                break;
            case ADD:
                readAdd(reader, new DMMeta());
                break;
            case COPY:
                readCopy(reader);
                break;
            case DELETE:
                readDelete(reader);
                break;
            case GET:
                readGet(reader);
                break;
            case REPLACE:
                readReplace(reader, new DMMeta());
                break;
            case EXEC:
                readExec(reader, new DMMeta());
                break;
            case SEQUENCE:
                readSequence(reader);
                break;
            case ATOMIC:
                readAtomic(reader);
                break;
            case FINAL:
                readFinal(reader);
                break;
            case ALERT:
                readAlert(reader);
                break;
            default:
                break;
            }
            break;
        case XMLEvent.END_ELEMENT:
            continueSyncBody = false;
            break;
        default:
            break;
        }
    } while (continueSyncBody);
}

From source file:org.eclipse.koneki.protocols.omadm.client.basic.DMBasicSession.java

private void readAlert(final XMLStreamReader reader) throws XMLStreamException {
    /*//from   w w w.  ja v  a  2  s.  co m
     * TODO : Manage Alert commands
     */
    reader.nextTag();
    // CmdID
    final String cmdID = reader.getElementText();
    reader.nextTag();

    this.statusManager.putStatus(this.currentServerMsgID, cmdID, "Alert", null, null, "406"); //$NON-NLS-1$ //$NON-NLS-2$

    jumpToEndTag(reader, "Alert"); //$NON-NLS-1$
}

From source file:org.eclipse.koneki.protocols.omadm.client.basic.DMBasicSession.java

private void readStatus(final XMLStreamReader reader) throws XMLStreamException {
    jumpToStartTag(reader, "CmdRef"); //$NON-NLS-1$

    // CmdRef/*w w  w .  j  a  v  a2  s  .  c om*/
    final String cmdRef = reader.getElementText();
    reader.nextTag();

    // Cmd
    final String cmd = reader.getElementText();
    jumpToStartTag(reader, "Data"); //$NON-NLS-1$

    // Data
    final int data = Integer.parseInt(reader.getElementText());
    jumpToEndTag(reader, "Status"); //$NON-NLS-1$

    // Performs the status
    if (cmd.equals("SyncHdr")) { //$NON-NLS-1$
        switch (data) {
        case 212:
            this.isClientAuthenticated = true;
            break;
        case 407:
            this.isClientAuthenticated = false;
            break;
        default:
            break;
        }
    }
    if (this.commandSends.containsKey(cmdRef)) {
        final Object[] objects = this.commandSends.get(cmdRef);
        if (cmd.equals("Alert")) { //$NON-NLS-1$
            for (final ProtocolListener messageListener : this.protocolLinsteners) {
                messageListener.clientAlert((String) objects[0], (String) objects[1], (DMItem[]) objects[2],
                        StatusCode.fromInt(data));
            }
        }
        this.commandSends.remove(cmdRef);
    }
}

From source file:org.eclipse.koneki.protocols.omadm.client.basic.DMBasicSession.java

private void readGet(final XMLStreamReader reader) throws XMLStreamException {
    reader.nextTag();

    // CmdID/*from   w ww  .  j av a2 s.  co m*/
    final String cmdID = reader.getElementText();
    reader.nextTag();

    // Meta?
    if (reader.getLocalName().equals("Meta")) { //$NON-NLS-1$
        jumpToEndTag(reader, "Meta"); //$NON-NLS-1$
        reader.nextTag();
    }

    // Item+
    boolean continueGet = true;
    do {
        switch (reader.getEventType()) {
        case XMLStreamReader.START_ELEMENT:
            // Performs the get command
            final DMItem item = readItem(reader, new DMMeta());
            reader.nextTag();
            final Status status = this.commandHandler.get(item.getTargetURI());
            final DMNode results = status.getResult();
            if (results != null) {
                this.statusManager.putStatus(this.currentServerMsgID, cmdID, "Get", item.getTargetURI(), null, //$NON-NLS-1$
                        String.valueOf(status.getCode()), results.getFormat(), results.getType(), results.getData());
            } else {
                this.statusManager.putStatus(this.currentServerMsgID, cmdID, "Get", item.getTargetURI(), null, //$NON-NLS-1$
                        String.valueOf(status.getCode()));
            }

            // Fire get event
            for (final ProtocolListener messageListener : this.protocolLinsteners) {
                messageListener.get(item.getTargetURI(), status);
            }
            break;
        case XMLStreamReader.END_ELEMENT:
            continueGet = false;
            break;
        default:
            break;
        }
    } while (continueGet);
}

From source file:org.eclipse.koneki.protocols.omadm.client.basic.DMBasicSession.java

private void readAdd(final XMLStreamReader reader, final DMMeta parentMeta) throws XMLStreamException {
    reader.nextTag();

    // CmdID//from  w  ww  . j av  a2 s  .c o  m
    final String cmdID = reader.getElementText();
    reader.nextTag();

    // Meta?
    final DMMeta globalMeta = new DMMeta(parentMeta);
    if (reader.getLocalName().equals("Meta")) { //$NON-NLS-1$
        globalMeta.putAll(readMeta(reader));
        reader.nextTag();
    }

    // Item+
    boolean continueAdd = true;
    do {
        switch (reader.getEventType()) {
        case XMLEvent.START_ELEMENT:
            // Performs the add command
            final DMItem item = readItem(reader, globalMeta);
            reader.nextTag();
            final Status status = this.commandHandler.add(item.getTargetURI(), item.getMeta().getFormat(),
                    item.getMeta().getType(), item.getData());
            this.statusManager.putStatus(this.currentServerMsgID, cmdID, "Add", item.getTargetURI(), null, //$NON-NLS-1$
                    String.valueOf(status.getCode()));

            // Fire add event
            for (final ProtocolListener messageListener : this.protocolLinsteners) {
                messageListener.add(item.getTargetURI(), item.getData(), status);
            }
            break;
        case XMLEvent.END_ELEMENT:
            continueAdd = false;
            break;
        default:
            break;
        }
    } while (continueAdd);
}

From source file:org.eclipse.koneki.protocols.omadm.client.basic.DMBasicSession.java

private void readDelete(final XMLStreamReader reader) throws XMLStreamException {
    reader.nextTag();

    // CmdID/*from w  w  w  . j  a v  a  2 s .  com*/
    final String cmdID = reader.getElementText();
    reader.nextTag();

    // Meta?
    if (reader.getLocalName().equals("Meta")) { //$NON-NLS-1$
        jumpToEndTag(reader, "Meta"); //$NON-NLS-1$
        reader.nextTag();
    }

    // Item+
    boolean continueDelete = true;
    do {
        switch (reader.getEventType()) {
        case XMLEvent.START_ELEMENT:
            final DMItem item = readItem(reader, new DMMeta());
            reader.nextTag();
            final Status status = this.commandHandler.delete(item.getTargetURI());
            this.statusManager.putStatus(this.currentServerMsgID, cmdID, "Delete", item.getTargetURI(), null, //$NON-NLS-1$
                    String.valueOf(status.getCode()));

            // Fire delete event
            for (final ProtocolListener messageListener : this.protocolLinsteners) {
                messageListener.delete(item.getTargetURI(), status);
            }
            break;
        case XMLEvent.END_ELEMENT:
            continueDelete = false;
            break;
        default:
            break;
        }
    } while (continueDelete);
}