Example usage for javax.xml.stream.events XMLEvent asCharacters

List of usage examples for javax.xml.stream.events XMLEvent asCharacters

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Introduction

In this page you can find the example usage for javax.xml.stream.events XMLEvent asCharacters.

Prototype

public Characters asCharacters();

Source Link

Document

Returns this event as Characters, may result in a class cast exception if this event is not Characters.

Usage

From source file:org.apache.olingo.client.core.serialization.AtomDeserializer.java

private ODataError error(final XMLEventReader reader, final StartElement start) throws XMLStreamException {
    final ODataError error = new ODataError();

    boolean setCode = false;
    boolean codeSet = false;
    boolean setMessage = false;
    boolean messageSet = false;
    boolean setTarget = false;
    boolean targetSet = false;

    boolean foundEndElement = false;
    while (reader.hasNext() && !foundEndElement) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement()) {
            if (errorCodeQName.equals(event.asStartElement().getName())) {
                setCode = true;/*from   w  ww. ja  v  a 2s.c o  m*/
            } else if (errorMessageQName.equals(event.asStartElement().getName())) {
                setMessage = true;
            } else if (errorTargetQName.equals(event.asStartElement().getName())) {
                setTarget = true;
            }
        }

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()) {
            if (setCode && !codeSet) {
                error.setCode(event.asCharacters().getData());
                setCode = false;
                codeSet = true;
            }
            if (setMessage && !messageSet) {
                error.setMessage(event.asCharacters().getData());
                setMessage = false;
                messageSet = true;
            }
            if (setTarget && !targetSet) {
                error.setTarget(event.asCharacters().getData());
                setTarget = false;
                targetSet = true;
            }
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndElement = true;
        }
    }

    return error;
}

From source file:org.apache.olingo.client.core.serialization.AtomGeoValueDeserializer.java

private List<Point> points(final XMLEventReader reader, final StartElement start,
        final EdmPrimitiveTypeKind type, final SRID srid) throws XMLStreamException {

    final List<Point> result = new ArrayList<Point>();

    boolean foundEndProperty = false;
    while (reader.hasNext() && !foundEndProperty) {
        final XMLEvent event = reader.nextEvent();

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()) {
            final String[] pointInfo = event.asCharacters().getData().split(" ");

            final Point point = new Point(GeoUtils.getDimension(type), srid);
            try {
                point.setX(EdmDouble.getInstance().valueOfString(pointInfo[0], null, null,
                        Constants.DEFAULT_PRECISION, Constants.DEFAULT_SCALE, null, Double.class));
                point.setY(EdmDouble.getInstance().valueOfString(pointInfo[1], null, null,
                        Constants.DEFAULT_PRECISION, Constants.DEFAULT_SCALE, null, Double.class));
            } catch (EdmPrimitiveTypeException e) {
                throw new XMLStreamException("While deserializing point coordinates as double", e);
            }/*from   w w w  . ja v a 2 s.  co m*/
            result.add(point);
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndProperty = true;
        }
    }

    // handles bad input, e.g. things like <gml:pos/>
    if (result.isEmpty()) {
        result.add(new Point(GeoUtils.getDimension(type), srid));
    }

    return result;
}

From source file:org.apache.olingo.commons.core.data.AtomGeoValueDeserializer.java

private List<Point> points(final XMLEventReader reader, final StartElement start,
        final EdmPrimitiveTypeKind type, final String crs) throws XMLStreamException {

    final List<Point> result = new ArrayList<Point>();

    boolean foundEndProperty = false;
    while (reader.hasNext() && !foundEndProperty) {
        final XMLEvent event = reader.nextEvent();

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()) {
            final String[] pointInfo = event.asCharacters().getData().split(" ");

            final Point point = new Point(GeoUtils.getDimension(type), crs);
            try {
                point.setX(EdmDouble.getInstance().valueOfString(pointInfo[0], null, null,
                        Constants.DEFAULT_PRECISION, Constants.DEFAULT_SCALE, null, Double.class));
                point.setY(EdmDouble.getInstance().valueOfString(pointInfo[1], null, null,
                        Constants.DEFAULT_PRECISION, Constants.DEFAULT_SCALE, null, Double.class));
            } catch (EdmPrimitiveTypeException e) {
                throw new XMLStreamException("While deserializing point coordinates as double", e);
            }/*from w ww .  j  ava2s  .co m*/
            result.add(point);
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndProperty = true;
        }
    }

    return result;
}

From source file:org.apache.olingo.commons.core.data.AtomPropertyDeserializer.java

private Value fromPrimitive(final XMLEventReader reader, final StartElement start, final EdmTypeInfo typeInfo)
        throws XMLStreamException {

    Value value = null;// www  . j  a v a 2s  .  com

    boolean foundEndProperty = false;
    while (reader.hasNext() && !foundEndProperty) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement() && typeInfo != null && typeInfo.getPrimitiveTypeKind().isGeospatial()) {
            final EdmPrimitiveTypeKind geoType = EdmPrimitiveTypeKind.valueOfFQN(version,
                    typeInfo.getFullQualifiedName().toString());
            value = new GeospatialValueImpl(
                    this.geoDeserializer.deserialize(reader, event.asStartElement(), geoType));
        }

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()
                && (typeInfo == null || !typeInfo.getPrimitiveTypeKind().isGeospatial())) {

            value = new PrimitiveValueImpl(event.asCharacters().getData());
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndProperty = true;
        }
    }

    return value;
}

From source file:org.apache.olingo.commons.core.data.AtomPropertyDeserializer.java

private ODataPropertyType guessPropertyType(final XMLEventReader reader) throws XMLStreamException {
    XMLEvent child = null;/* w ww .  j  a v  a  2 s  .  c  o m*/
    while (reader.hasNext() && child == null) {
        final XMLEvent event = reader.peek();
        if (event.isCharacters() && event.asCharacters().isWhiteSpace()) {
            reader.nextEvent();
        } else {
            child = event;
        }
    }

    final ODataPropertyType type;
    if (child == null) {
        type = ODataPropertyType.PRIMITIVE;
    } else {
        if (child.isStartElement()) {
            if (Constants.NS_GML.equals(child.asStartElement().getName().getNamespaceURI())) {
                type = ODataPropertyType.PRIMITIVE;
            } else if (elementQName.equals(child.asStartElement().getName())) {
                type = ODataPropertyType.COLLECTION;
            } else {
                type = ODataPropertyType.COMPLEX;
            }
        } else if (child.isCharacters()) {
            type = ODataPropertyType.PRIMITIVE;
        } else {
            type = ODataPropertyType.EMPTY;
        }
    }

    return type;
}

From source file:org.apache.olingo.commons.core.serialization.AtomDeserializer.java

private Object fromPrimitive(final XMLEventReader reader, final StartElement start, final EdmTypeInfo typeInfo)
        throws XMLStreamException, EdmPrimitiveTypeException {

    Object value = null;/* ww  w .ja  v  a 2 s .  c  om*/

    boolean foundEndProperty = false;
    while (reader.hasNext() && !foundEndProperty) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement() && typeInfo != null && typeInfo.getPrimitiveTypeKind().isGeospatial()) {
            final EdmPrimitiveTypeKind geoType = EdmPrimitiveTypeKind.valueOfFQN(version,
                    typeInfo.getFullQualifiedName().toString());
            value = geoDeserializer.deserialize(reader, event.asStartElement(), geoType);
        }

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()
                && (typeInfo == null || !typeInfo.getPrimitiveTypeKind().isGeospatial())) {

            final String stringValue = event.asCharacters().getData();
            value = typeInfo == null ? stringValue : // TODO: add facets
                    ((EdmPrimitiveType) typeInfo.getType()).valueOfString(stringValue, true, null,
                            Constants.DEFAULT_PRECISION, Constants.DEFAULT_SCALE, true,
                            ((EdmPrimitiveType) typeInfo.getType()).getDefaultType());
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndProperty = true;
        }
    }

    return value;
}

From source file:org.apache.olingo.commons.core.serialization.AtomDeserializer.java

@SuppressWarnings("unchecked")
private Object fromComplexOrEnum(final XMLEventReader reader, final StartElement start)
        throws XMLStreamException, EdmPrimitiveTypeException {

    Object value = null;/*  w ww.  j a v a2  s  .  c  o  m*/

    boolean foundEndProperty = false;
    while (reader.hasNext() && !foundEndProperty) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement()) {
            if (value == null) {
                value = version.compareTo(ODataServiceVersion.V40) < 0 ? new ArrayList<Property>()
                        : new LinkedComplexValueImpl();
            }

            if (Constants.QNAME_ATOM_ELEM_LINK.equals(event.asStartElement().getName())) {
                final LinkImpl link = new LinkImpl();
                final Attribute rel = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_REL));
                if (rel != null) {
                    link.setRel(rel.getValue());
                }
                final Attribute title = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_TITLE));
                if (title != null) {
                    link.setTitle(title.getValue());
                }
                final Attribute href = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_HREF));
                if (href != null) {
                    link.setHref(href.getValue());
                }
                final Attribute type = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_TYPE));
                if (type != null) {
                    link.setType(type.getValue());
                }

                if (link.getRel().startsWith(
                        version.getNamespace(ODataServiceVersion.NamespaceKey.NAVIGATION_LINK_REL))) {

                    ((LinkedComplexValue) value).getNavigationLinks().add(link);
                    inline(reader, event.asStartElement(), link);
                } else if (link.getRel().startsWith(
                        version.getNamespace(ODataServiceVersion.NamespaceKey.ASSOCIATION_LINK_REL))) {

                    ((Valuable) value).asLinkedComplex().getAssociationLinks().add(link);
                }
            } else {
                (value instanceof LinkedComplexValue ? ((LinkedComplexValue) value).getValue()
                        : (List<Property>) value).add(property(reader, event.asStartElement()));
            }
        }

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()) {
            value = event.asCharacters().getData();
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndProperty = true;
        }
    }

    return value;
}

From source file:org.apache.olingo.commons.core.serialization.AtomDeserializer.java

private ODataPropertyType guessPropertyType(final XMLEventReader reader, final EdmTypeInfo typeInfo)
        throws XMLStreamException {

    XMLEvent child = null;/*  w  w  w  .  j  a  v  a  2 s . co m*/
    while (reader.hasNext() && child == null) {
        final XMLEvent event = reader.peek();
        if (event.isCharacters() && event.asCharacters().isWhiteSpace()) {
            reader.nextEvent();
        } else {
            child = event;
        }
    }

    final ODataPropertyType type;
    if (child == null) {
        type = typeInfo == null || typeInfo.isPrimitiveType() ? ODataPropertyType.PRIMITIVE
                : ODataPropertyType.ENUM;
    } else {
        if (child.isStartElement()) {
            if (Constants.NS_GML.equals(child.asStartElement().getName().getNamespaceURI())) {
                type = ODataPropertyType.PRIMITIVE;
            } else if (elementQName.equals(child.asStartElement().getName())) {
                type = ODataPropertyType.COLLECTION;
            } else {
                type = ODataPropertyType.COMPLEX;
            }
        } else if (child.isCharacters()) {
            type = typeInfo == null || typeInfo.isPrimitiveType() ? ODataPropertyType.PRIMITIVE
                    : ODataPropertyType.ENUM;
        } else {
            type = ODataPropertyType.EMPTY;
        }
    }

    return type;
}

From source file:org.apache.olingo.commons.core.serialization.AtomDeserializer.java

private void common(final XMLEventReader reader, final StartElement start, final AbstractODataObject object,
        final String key) throws XMLStreamException {

    boolean foundEndElement = false;
    while (reader.hasNext() && !foundEndElement) {
        final XMLEvent event = reader.nextEvent();

        if (event.isCharacters() && !event.asCharacters().isWhiteSpace()) {
            try {
                object.setCommonProperty(key, event.asCharacters().getData());
            } catch (ParseException e) {
                throw new XMLStreamException("While parsing Atom entry or feed common elements", e);
            }// www. j a v a 2s .  co m
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndElement = true;
        }
    }
}

From source file:org.apache.olingo.commons.core.serialization.AtomDeserializer.java

private void inline(final XMLEventReader reader, final StartElement start, final LinkImpl link)
        throws XMLStreamException, EdmPrimitiveTypeException {

    boolean foundEndElement = false;
    while (reader.hasNext() && !foundEndElement) {
        final XMLEvent event = reader.nextEvent();

        if (event.isStartElement()) {
            if (inlineQName.equals(event.asStartElement().getName())) {
                StartElement inline = null;
                while (reader.hasNext() && inline == null) {
                    final XMLEvent innerEvent = reader.peek();
                    if (innerEvent.isCharacters() && innerEvent.asCharacters().isWhiteSpace()) {
                        reader.nextEvent();
                    } else if (innerEvent.isStartElement()) {
                        inline = innerEvent.asStartElement();
                    }//from ww  w.  j  ava  2s .com
                }
                if (inline != null) {
                    if (Constants.QNAME_ATOM_ELEM_ENTRY.equals(inline.getName())) {
                        link.setInlineEntity(entity(reader, inline));
                    }
                    if (Constants.QNAME_ATOM_ELEM_FEED.equals(inline.getName())) {
                        link.setInlineEntitySet(entitySet(reader, inline));
                    }
                }
            } else if (annotationQName.equals(event.asStartElement().getName())) {
                link.getAnnotations().add(annotation(reader, event.asStartElement()));
            }
        }

        if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
            foundEndElement = true;
        }
    }
}