Example usage for javax.xml.stream XMLStreamReader getAttributeValue

Introduction

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

Prototype

public String getAttributeValue(String namespaceURI, String localName);

Source Link

Document

Returns the normalized attribute value of the attribute with the namespace and localName If the namespaceURI is null the namespace is not checked for equality

Usage

From source file:Main.java

public static Integer readOptionalIntegerAttribute(XMLStreamReader reader, String attributeName) {
    String attributeValue = reader.getAttributeValue(null, attributeName);
    return attributeValue != null ? Integer.valueOf(attributeValue) : null;
}

From source file:Main.java

public static float readOptionalFloatAttribute(XMLStreamReader reader, String attributeName) {
    String attributeValue = reader.getAttributeValue(null, attributeName);
    return attributeValue != null ? Float.valueOf(attributeValue) : Float.NaN;
}

From source file:Main.java

/**
 * Fetches the attribute name from the current elements namespace.
 * /*  w w  w. j a  v  a  2 s .c  o  m*/
 * @param reader
 *          active pull parser to read XML from
 * @param name
 *          name of the attribute to read the value of
 * @return the value of attribute {@code attribute}
 */
public static String getAttributeValue(final XMLStreamReader reader, final String name) {
    return reader.getAttributeValue(null, name);
}

From source file:Main.java

public static int readOptionalIntegerAttributeValue(XMLStreamReader reader, String attributeName,
        int defaultValue) {
    String attributeValue = reader.getAttributeValue(null, attributeName);
    return attributeValue != null ? Integer.valueOf(attributeValue) : defaultValue;
}

From source file:com.microsoft.windowsazure.services.table.client.AtomPubParser.java

/**
 * Reserved for internal use. Parses the operation response as an entity. Parses the result returned in the
 * specified stream in AtomPub format into a {@link TableResult} containing an entity of the specified class type
 * projected using the specified resolver.
 * /*www. ja  va2s  . c o  m*/
 * @param xmlr
 *            An <code>XMLStreamReader</code> on the input stream.
 * @param clazzType
 *            The class type <code>T</code> implementing {@link TableEntity} for the entity returned. Set to
 *            <code>null</code> to ignore the returned entity and copy only response properties into the
 *            {@link TableResult} object.
 * @param resolver
 *            An {@link EntityResolver} instance to project the entity into an instance of type <code>R</code>. Set
 *            to <code>null</code> to return the entity as an instance of the class type <code>T</code>.
 * @param opContext
 *            An {@link OperationContext} object used to track the execution of the operation.
 * @return
 *         A {@link TableResult} containing the parsed entity result of the operation.
 * 
 * @throws XMLStreamException
 *             if an error occurs while accessing the stream.
 * @throws ParseException
 *             if an error occurs while parsing the stream.
 * @throws InstantiationException
 *             if an error occurs while constructing the result.
 * @throws IllegalAccessException
 *             if an error occurs in reflection while parsing the result.
 * @throws StorageException
 *             if a storage service error occurs.
 */
protected static <T extends TableEntity, R> TableResult parseEntity(final XMLStreamReader xmlr,
        final Class<T> clazzType, final EntityResolver<R> resolver, final OperationContext opContext)
        throws XMLStreamException, ParseException, InstantiationException, IllegalAccessException,
        StorageException {
    int eventType = xmlr.getEventType();
    final TableResult res = new TableResult();

    xmlr.require(XMLStreamConstants.START_ELEMENT, null, ODataConstants.ENTRY);

    res.setEtag(StringEscapeUtils.unescapeHtml4(
            xmlr.getAttributeValue(ODataConstants.DATA_SERVICES_METADATA_NS, ODataConstants.ETAG)));

    while (xmlr.hasNext()) {
        eventType = xmlr.next();
        if (eventType == XMLStreamConstants.CHARACTERS) {
            xmlr.getText();
            continue;
        }

        final String name = xmlr.getName().toString();

        if (eventType == XMLStreamConstants.START_ELEMENT) {
            if (name.equals(ODataConstants.BRACKETED_ATOM_NS + ODataConstants.ID)) {
                res.setId(Utility.readElementFromXMLReader(xmlr, ODataConstants.ID));
            } else if (name
                    .equals(ODataConstants.BRACKETED_DATA_SERVICES_METADATA_NS + ODataConstants.PROPERTIES)) {
                // Do read properties
                if (resolver == null && clazzType == null) {
                    return res;
                } else {
                    res.setProperties(readProperties(xmlr, opContext));
                    break;
                }
            }
        }
    }

    // Move to end Content
    eventType = xmlr.next();
    if (eventType == XMLStreamConstants.CHARACTERS) {
        eventType = xmlr.next();
    }
    xmlr.require(XMLStreamConstants.END_ELEMENT, null, ODataConstants.CONTENT);

    eventType = xmlr.next();
    if (eventType == XMLStreamConstants.CHARACTERS) {
        eventType = xmlr.next();
    }

    xmlr.require(XMLStreamConstants.END_ELEMENT, null, ODataConstants.ENTRY);

    String rowKey = null;
    String partitionKey = null;
    Date timestamp = null;

    // Remove core properties from map and set individually
    EntityProperty tempProp = res.getProperties().get(TableConstants.PARTITION_KEY);
    if (tempProp != null) {
        res.getProperties().remove(TableConstants.PARTITION_KEY);
        partitionKey = tempProp.getValueAsString();
    }

    tempProp = res.getProperties().get(TableConstants.ROW_KEY);
    if (tempProp != null) {
        res.getProperties().remove(TableConstants.ROW_KEY);
        rowKey = tempProp.getValueAsString();
    }

    tempProp = res.getProperties().get(TableConstants.TIMESTAMP);
    if (tempProp != null) {
        res.getProperties().remove(TableConstants.TIMESTAMP);
        timestamp = tempProp.getValueAsDate();
    }

    if (resolver != null) {
        // Call resolver
        res.setResult(resolver.resolve(partitionKey, rowKey, timestamp, res.getProperties(), res.getEtag()));
    } else if (clazzType != null) {
        // Generate new entity and return
        final T entity = clazzType.newInstance();
        entity.setEtag(res.getEtag());

        entity.setPartitionKey(partitionKey);
        entity.setRowKey(rowKey);
        entity.setTimestamp(timestamp);

        entity.readEntity(res.getProperties(), opContext);

        res.setResult(entity);
    }

    return res;
}

From source file:org.maodian.flyingcat.xmpp.codec.PresenceCodec.java

@Override
public Object decode(XMLStreamReader xmlsr) {
    Presence p = new Presence();
    String id = xmlsr.getAttributeValue("", "id");
    if (StringUtils.isNotBlank(id)) {
        p.setId(id);//  w ww . java 2s.c  o  m
    }
    String t = xmlsr.getAttributeValue("", "to");
    if (StringUtils.isNotBlank(t)) {
        JabberID to = JabberID.fromString(t);
        p.setTo(to);
    }
    String type = xmlsr.getAttributeValue("", "type");
    if (StringUtils.isNotBlank(type)) {
        p.setType(PresenceType.fromString(type));
    }
    return p;
}

From source file:com.predic8.membrane.core.interceptor.cbr.Case.java

@Override
protected void parseAttributes(XMLStreamReader token) throws XMLStreamException {

    xPath = token.getAttributeValue("", "xPath");

    url = token.getAttributeValue("", "url");

    if (token.getAttributeValue("", "service") != null) {
        url = "service:" + token.getAttributeValue("", "service");
    }//from w w  w  .j a  v  a  2s  .  com
}

From source file:com.predic8.membrane.core.config.AbstractXmlElement.java

protected boolean getBoolean(XMLStreamReader token, String attr) {
    return "true".equals(token.getAttributeValue("", attr));
}

From source file:com.predic8.membrane.core.interceptor.balancer.XMLElementSessionIdExtractor.java

@Override
protected void parseAttributes(XMLStreamReader token) throws XMLStreamException {
    localName = token.getAttributeValue("", "localName");
    namespace = token.getAttributeValue("", "namespace");
}

From source file:org.maodian.flyingcat.xmpp.codec.InfoQueryCodec.java

@Override
public Object decode(XMLStreamReader xmlsr) {
    try {/* w w  w  .ja va2s  . co m*/
        String id = xmlsr.getAttributeValue("", "id");
        String type = xmlsr.getAttributeValue("", "type");
        Builder builder = new Builder(id, type);

        String from = xmlsr.getAttributeValue("", "from");
        String to = xmlsr.getAttributeValue("", "to");
        String language = xmlsr.getAttributeValue(XMLConstants.XML_NS_URI, "lang");
        builder.from(from).to(to).language(language);

        switch (type) {
        case InfoQuery.GET:
        case InfoQuery.SET:
            if (xmlsr.nextTag() != XMLStreamConstants.START_ELEMENT) {
                throw new XmppException(StanzaErrorCondition.BAD_REQUEST);
            }
            QName key = xmlsr.getName();
            builder.payload(findDecoder(key, builder.build()).decode(xmlsr));
            break;
        case InfoQuery.RESULT:
            // do nothing
            break;
        case InfoQuery.ERROR:
            throw new IllegalStateException(
                    "Since this is a server, it should not dealing with incoming result and error");
        default:
            break;
        }
        return builder.build();
    } catch (XMLStreamException e) {
        throw new RuntimeException(e);
    }
}