Example usage for javax.xml.stream.events StartElement getAttributeByName

List of usage examples for javax.xml.stream.events StartElement getAttributeByName

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Introduction

In this page you can find the example usage for javax.xml.stream.events StartElement getAttributeByName.

Prototype

public Attribute getAttributeByName(QName name);

Source Link

Document

Returns the attribute referred to by the qname.

Usage

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

private void valuable(final Valuable valuable, final XMLEventReader reader, final StartElement start)
        throws XMLStreamException, EdmPrimitiveTypeException {

    final Attribute nullAttr = start.getAttributeByName(nullQName);

    final Attribute typeAttr = start.getAttributeByName(typeQName);
    final String typeAttrValue = typeAttr == null ? null : typeAttr.getValue();

    final EdmTypeInfo typeInfo = StringUtils.isBlank(typeAttrValue) ? null
            : new EdmTypeInfo.Builder().setTypeExpression(typeAttrValue).build();

    if (typeInfo != null) {
        valuable.setType(typeInfo.internal());
    }/* ww w. java 2s. c o m*/

    final PropertyType propType = typeInfo == null ? guessPropertyType(reader, typeInfo)
            : typeInfo.isCollection() ? PropertyType.COLLECTION
                    : typeInfo.isPrimitiveType() ? PropertyType.PRIMITIVE : PropertyType.COMPLEX;

    if (nullAttr == null) {
        switch (propType) {
        case COLLECTION:
            fromCollection(valuable, reader, start, typeInfo);
            break;

        case COMPLEX:
            final Object complexValue = fromComplexOrEnum(reader, start);
            valuable.setValue(complexValue instanceof ComplexValue ? ValueType.COMPLEX : ValueType.ENUM,
                    complexValue);
            break;

        case PRIMITIVE:
            // No type specified? Defaults to Edm.String
            if (typeInfo == null) {
                valuable.setType(EdmPrimitiveTypeKind.String.getFullQualifiedName().toString());
            }
            final Object value = fromPrimitive(reader, start, typeInfo);
            valuable.setValue(value instanceof Geospatial ? ValueType.GEOSPATIAL : ValueType.PRIMITIVE, value);
            break;

        case EMPTY:
        default:
            valuable.setValue(ValueType.PRIMITIVE, StringUtils.EMPTY);
        }
    } else {
        valuable.setValue(propType == PropertyType.PRIMITIVE ? ValueType.PRIMITIVE
                : propType == PropertyType.ENUM ? ValueType.ENUM
                        : propType == PropertyType.COMPLEX ? ValueType.COMPLEX
                                : propType == PropertyType.COLLECTION ? ValueType.COLLECTION_PRIMITIVE
                                        : ValueType.PRIMITIVE,
                null);
    }
}

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

private Delta delta(final XMLEventReader reader, final StartElement start)
        throws XMLStreamException, EdmPrimitiveTypeException {
    if (!Constants.QNAME_ATOM_ELEM_FEED.equals(start.getName())) {
        return null;
    }//from  w  ww.ja  va2  s  .c o  m
    final Delta delta = new Delta();
    final Attribute xmlBase = start.getAttributeByName(Constants.QNAME_ATTR_XML_BASE);
    if (xmlBase != null) {
        delta.setBaseURI(URI.create(xmlBase.getValue()));
    }

    boolean foundEndFeed = false;
    while (reader.hasNext() && !foundEndFeed) {
        final XMLEvent event = reader.nextEvent();
        if (event.isStartElement()) {
            if (countQName.equals(event.asStartElement().getName())) {
                count(reader, event.asStartElement(), delta);
            } else if (Constants.QNAME_ATOM_ELEM_ID.equals(event.asStartElement().getName())) {
                common(reader, event.asStartElement(), delta, "id");
            } else if (Constants.QNAME_ATOM_ELEM_TITLE.equals(event.asStartElement().getName())) {
                common(reader, event.asStartElement(), delta, "title");
            } else if (Constants.QNAME_ATOM_ELEM_SUMMARY.equals(event.asStartElement().getName())) {
                common(reader, event.asStartElement(), delta, "summary");
            } else if (Constants.QNAME_ATOM_ELEM_UPDATED.equals(event.asStartElement().getName())) {
                common(reader, event.asStartElement(), delta, "updated");
            } else if (Constants.QNAME_ATOM_ELEM_LINK.equals(event.asStartElement().getName())) {
                final Attribute rel = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_REL));
                if (rel != null) {
                    if (Constants.NEXT_LINK_REL.equals(rel.getValue())) {
                        final Attribute href = event.asStartElement()
                                .getAttributeByName(QName.valueOf(Constants.ATTR_HREF));
                        if (href != null) {
                            delta.setNext(URI.create(href.getValue()));
                        }
                    }
                    if (Constants.NS_DELTA_LINK_REL.equals(rel.getValue())) {
                        final Attribute href = event.asStartElement()
                                .getAttributeByName(QName.valueOf(Constants.ATTR_HREF));
                        if (href != null) {
                            delta.setDeltaLink(URI.create(href.getValue()));
                        }
                    }
                }
            } else if (Constants.QNAME_ATOM_ELEM_ENTRY.equals(event.asStartElement().getName())) {
                delta.getEntities().add(entity(reader, event.asStartElement()));
            } else if (deletedEntryQName.equals(event.asStartElement().getName())) {
                final DeletedEntity deletedEntity = new DeletedEntity();

                final Attribute ref = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_REF));
                if (ref != null) {
                    deletedEntity.setId(URI.create(ref.getValue()));
                }
                final Attribute reason = event.asStartElement().getAttributeByName(reasonQName);
                if (reason != null) {
                    deletedEntity.setReason(Reason.valueOf(reason.getValue()));
                }

                delta.getDeletedEntities().add(deletedEntity);
            } else if (linkQName.equals(event.asStartElement().getName())
                    || deletedLinkQName.equals(event.asStartElement().getName())) {

                final DeltaLink link = new DeltaLink();

                final Attribute source = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_SOURCE));
                if (source != null) {
                    link.setSource(URI.create(source.getValue()));
                }
                final Attribute relationship = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_RELATIONSHIP));
                if (relationship != null) {
                    link.setRelationship(relationship.getValue());
                }
                final Attribute target = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_TARGET));
                if (target != null) {
                    link.setTarget(URI.create(target.getValue()));
                }

                if (linkQName.equals(event.asStartElement().getName())) {
                    delta.getAddedLinks().add(link);
                } else {
                    delta.getDeletedLinks().add(link);
                }
            }
        }

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

    return delta;
}

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

private Annotation annotation(final XMLEventReader reader, final StartElement start)
        throws XMLStreamException, EdmPrimitiveTypeException {

    final Annotation annotation = new Annotation();

    annotation.setTerm(start.getAttributeByName(QName.valueOf(Constants.ATOM_ATTR_TERM)).getValue());
    valuable(annotation, reader, start);

    return annotation;
}

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

private Entity entityRef(final StartElement start) throws XMLStreamException {
    final Entity entity = new Entity();

    final Attribute entityRefId = start.getAttributeByName(Constants.QNAME_ATOM_ATTR_ID);
    if (entityRefId != null) {
        entity.setId(URI.create(entityRefId.getValue()));
    }//from w  w  w. ja  v  a  2  s. com

    return entity;
}

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

private Entity entity(final XMLEventReader reader, final StartElement start)
        throws XMLStreamException, EdmPrimitiveTypeException {
    final Entity entity;
    if (entryRefQName.equals(start.getName())) {
        entity = entityRef(start);/*from  w w  w .  j  ava2s.  c  o  m*/
    } else if (Constants.QNAME_ATOM_ELEM_ENTRY.equals(start.getName())) {
        entity = new Entity();
        final Attribute xmlBase = start.getAttributeByName(Constants.QNAME_ATTR_XML_BASE);
        if (xmlBase != null) {
            entity.setBaseURI(URI.create(xmlBase.getValue()));
        }

        final Attribute etag = start.getAttributeByName(etagQName);
        if (etag != null) {
            entity.setETag(etag.getValue());
        }

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

            if (event.isStartElement()) {
                if (Constants.QNAME_ATOM_ELEM_ID.equals(event.asStartElement().getName())) {
                    common(reader, event.asStartElement(), entity, "id");
                } else if (Constants.QNAME_ATOM_ELEM_TITLE.equals(event.asStartElement().getName())) {
                    common(reader, event.asStartElement(), entity, "title");
                } else if (Constants.QNAME_ATOM_ELEM_SUMMARY.equals(event.asStartElement().getName())) {
                    common(reader, event.asStartElement(), entity, "summary");
                } else if (Constants.QNAME_ATOM_ELEM_UPDATED.equals(event.asStartElement().getName())) {
                    common(reader, event.asStartElement(), entity, "updated");
                } else if (Constants.QNAME_ATOM_ELEM_CATEGORY.equals(event.asStartElement().getName())) {
                    final Attribute term = event.asStartElement()
                            .getAttributeByName(QName.valueOf(Constants.ATOM_ATTR_TERM));
                    if (term != null) {
                        entity.setType(new EdmTypeInfo.Builder().setTypeExpression(term.getValue()).build()
                                .internal());
                    }
                } else if (Constants.QNAME_ATOM_ELEM_LINK.equals(event.asStartElement().getName())) {
                    final Link link = new Link();
                    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 (Constants.SELF_LINK_REL.equals(link.getRel())) {
                        entity.setSelfLink(link);
                    } else if (Constants.EDIT_LINK_REL.equals(link.getRel())) {
                        entity.setEditLink(link);
                    } else if (Constants.EDITMEDIA_LINK_REL.equals(link.getRel())) {
                        final Attribute mediaETag = event.asStartElement().getAttributeByName(etagQName);
                        if (mediaETag != null) {
                            entity.setMediaETag(mediaETag.getValue());
                        }
                    } else if (link.getRel().startsWith(Constants.NS_NAVIGATION_LINK_REL)) {
                        entity.getNavigationLinks().add(link);
                        inline(reader, event.asStartElement(), link);
                    } else if (link.getRel().startsWith(Constants.NS_ASSOCIATION_LINK_REL)) {
                        entity.getAssociationLinks().add(link);
                    } else if (link.getRel().startsWith(Constants.NS_MEDIA_EDIT_LINK_REL)
                            || link.getRel().startsWith(Constants.NS_MEDIA_READ_LINK_REL)) {
                        final Attribute metag = event.asStartElement().getAttributeByName(etagQName);
                        if (metag != null) {
                            link.setMediaETag(metag.getValue());
                        }
                        entity.getMediaEditLinks().add(link);
                    }
                } else if (actionQName.equals(event.asStartElement().getName())) {
                    final Operation operation = new Operation();
                    final Attribute metadata = event.asStartElement()
                            .getAttributeByName(QName.valueOf(Constants.ATTR_METADATA));
                    if (metadata != null) {
                        operation.setMetadataAnchor(metadata.getValue());
                    }
                    final Attribute title = event.asStartElement()
                            .getAttributeByName(QName.valueOf(Constants.ATTR_TITLE));
                    if (title != null) {
                        operation.setTitle(title.getValue());
                    }
                    final Attribute target = event.asStartElement()
                            .getAttributeByName(QName.valueOf(Constants.ATTR_TARGET));
                    if (target != null) {
                        operation.setTarget(URI.create(target.getValue()));
                    }

                    entity.getOperations().add(operation);
                } else if (Constants.QNAME_ATOM_ELEM_CONTENT.equals(event.asStartElement().getName())) {
                    final Attribute type = event.asStartElement()
                            .getAttributeByName(QName.valueOf(Constants.ATTR_TYPE));
                    if (type == null
                            || ContentType.APPLICATION_XML.toContentTypeString().equals(type.getValue())) {
                        properties(reader, skipBeforeFirstStartElement(reader), entity);
                    } else {
                        entity.setMediaContentType(type.getValue());
                        final Attribute src = event.asStartElement()
                                .getAttributeByName(QName.valueOf(Constants.ATOM_ATTR_SRC));
                        if (src != null) {
                            entity.setMediaContentSource(URI.create(src.getValue()));
                        }
                    }
                } else if (propertiesQName.equals(event.asStartElement().getName())) {
                    properties(reader, event.asStartElement(), entity);
                } else if (annotationQName.equals(event.asStartElement().getName())) {
                    entity.getAnnotations().add(annotation(reader, event.asStartElement()));
                }
            }

            if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) {
                foundEndEntry = true;
            }
        }
    } else {
        entity = null;
    }

    return entity;
}

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

private EntityCollection entitySet(final XMLEventReader reader, final StartElement start)
        throws XMLStreamException, EdmPrimitiveTypeException {
    if (!Constants.QNAME_ATOM_ELEM_FEED.equals(start.getName())) {
        return null;
    }/* w  w w. jav a  2 s.c  om*/
    final EntityCollection entitySet = new EntityCollection();
    final Attribute xmlBase = start.getAttributeByName(Constants.QNAME_ATTR_XML_BASE);
    if (xmlBase != null) {
        entitySet.setBaseURI(URI.create(xmlBase.getValue()));
    }

    boolean foundEndFeed = false;
    while (reader.hasNext() && !foundEndFeed) {
        final XMLEvent event = reader.nextEvent();
        if (event.isStartElement()) {
            if (countQName.equals(event.asStartElement().getName())) {
                count(reader, event.asStartElement(), entitySet);
            } else if (Constants.QNAME_ATOM_ELEM_ID.equals(event.asStartElement().getName())) {
                common(reader, event.asStartElement(), entitySet, "id");
            } else if (Constants.QNAME_ATOM_ELEM_TITLE.equals(event.asStartElement().getName())) {
                common(reader, event.asStartElement(), entitySet, "title");
            } else if (Constants.QNAME_ATOM_ELEM_SUMMARY.equals(event.asStartElement().getName())) {
                common(reader, event.asStartElement(), entitySet, "summary");
            } else if (Constants.QNAME_ATOM_ELEM_UPDATED.equals(event.asStartElement().getName())) {
                common(reader, event.asStartElement(), entitySet, "updated");
            } else if (Constants.QNAME_ATOM_ELEM_LINK.equals(event.asStartElement().getName())) {
                final Attribute rel = event.asStartElement()
                        .getAttributeByName(QName.valueOf(Constants.ATTR_REL));
                if (rel != null) {
                    if (Constants.NEXT_LINK_REL.equals(rel.getValue())) {
                        final Attribute href = event.asStartElement()
                                .getAttributeByName(QName.valueOf(Constants.ATTR_HREF));
                        if (href != null) {
                            entitySet.setNext(URI.create(href.getValue()));
                        }
                    }
                    if (Constants.NS_DELTA_LINK_REL.equals(rel.getValue())) {
                        final Attribute href = event.asStartElement()
                                .getAttributeByName(QName.valueOf(Constants.ATTR_HREF));
                        if (href != null) {
                            entitySet.setDeltaLink(URI.create(href.getValue()));
                        }
                    }
                }
            } else if (Constants.QNAME_ATOM_ELEM_ENTRY.equals(event.asStartElement().getName())) {
                entitySet.getEntities().add(entity(reader, event.asStartElement()));
            } else if (entryRefQName.equals(event.asStartElement().getName())) {
                entitySet.getEntities().add(entityRef(event.asStartElement()));
            } else if (annotationQName.equals(event.asStartElement().getName())) {
                entitySet.getAnnotations().add(annotation(reader, event.asStartElement()));
            }
        }

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

    return entitySet;
}

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

private <T> ResWrap<T> getContainer(final StartElement start, final T object) {
    final Attribute context = start.getAttributeByName(contextQName);
    final Attribute metadataETag = start.getAttributeByName(metadataEtagQName);

    return new ResWrap<T>(context == null ? null : URI.create(context.getValue()),
            metadataETag == null ? null : metadataETag.getValue(), object);
}

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

public Geospatial deserialize(final XMLEventReader reader, final StartElement start,
        final EdmPrimitiveTypeKind type) throws XMLStreamException {

    SRID srid = null;//from w w  w .  ja v a  2  s . c  o m
    final Attribute srsName = start.getAttributeByName(Constants.QNAME_ATTR_SRSNAME);
    if (srsName != null) {
        srid = SRID.valueOf(StringUtils.substringAfterLast(srsName.getValue(), "/"));
    }

    Geospatial value;

    switch (type) {
    case GeographyPoint:
    case GeometryPoint:
        value = points(reader, start, type, srid).get(0);
        break;

    case GeographyMultiPoint:
    case GeometryMultiPoint:
        value = multipoint(reader, start, type, srid);
        break;

    case GeographyLineString:
    case GeometryLineString:
        value = lineString(reader, start, type, srid);
        break;

    case GeographyMultiLineString:
    case GeometryMultiLineString:
        value = multiLineString(reader, start, type, srid);
        break;

    case GeographyPolygon:
    case GeometryPolygon:
        value = polygon(reader, start, type, srid);
        break;

    case GeographyMultiPolygon:
    case GeometryMultiPolygon:
        value = multiPolygon(reader, start, type, srid);
        break;

    case GeographyCollection:
    case GeometryCollection:
        value = collection(reader, start, type, srid);
        break;

    default:
        value = null;
    }

    return value;
}

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

public Geospatial deserialize(final XMLEventReader reader, final StartElement start,
        final EdmPrimitiveTypeKind type) throws XMLStreamException {

    String crs = null;//w  w w  . j  a v  a 2 s .  c  o  m
    final Attribute srsName = start.getAttributeByName(Constants.QNAME_ATTR_SRSNAME);
    if (srsName != null) {
        crs = StringUtils.substringAfterLast(srsName.getValue(), "/");
    }

    Geospatial value;

    switch (type) {
    case GeographyPoint:
    case GeometryPoint:
        value = points(reader, start, type, crs).get(0);
        break;

    case GeographyMultiPoint:
    case GeometryMultiPoint:
        value = multipoint(reader, start, type, crs);
        break;

    case GeographyLineString:
    case GeometryLineString:
        value = lineString(reader, start, type, crs);
        break;

    case GeographyMultiLineString:
    case GeometryMultiLineString:
        value = multiLineString(reader, start, type, crs);
        break;

    case GeographyPolygon:
    case GeometryPolygon:
        value = polygon(reader, start, type, crs);
        break;

    case GeographyMultiPolygon:
    case GeometryMultiPolygon:
        value = multiPolygon(reader, start, type, crs);
        break;

    case GeographyCollection:
    case GeometryCollection:
        value = collection(reader, start, type, crs);
        break;

    default:
        value = null;
    }

    return value;
}

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

public AtomPropertyImpl deserialize(final XMLEventReader reader, final StartElement start)
        throws XMLStreamException {

    final AtomPropertyImpl property = new AtomPropertyImpl();
    property.setName(start.getName().getLocalPart());

    final Attribute typeAttr = start.getAttributeByName(this.typeQName);

    Value value;/*  w w w  . j  ava  2s .c  om*/
    final Attribute nullAttr = start.getAttributeByName(this.nullQName);
    final String typeAttrValue = typeAttr == null ? null : typeAttr.getValue();

    if (nullAttr == null) {
        final EdmTypeInfo typeInfo = StringUtils.isBlank(typeAttrValue) ? null
                : new EdmTypeInfo.Builder().setTypeExpression(typeAttrValue).build();

        if (typeInfo != null) {
            property.setType(typeInfo.getTypeExpression());
        }

        final ODataPropertyType propType = typeInfo == null ? guessPropertyType(reader)
                : typeInfo.isCollection() ? ODataPropertyType.COLLECTION
                        : typeInfo.isPrimitiveType() ? ODataPropertyType.PRIMITIVE : ODataPropertyType.COMPLEX;

        switch (propType) {
        case COLLECTION:
            value = fromCollection(reader, start, typeInfo);
            break;

        case COMPLEX:
            value = fromComplex(reader, start);
            break;

        case PRIMITIVE:
            value = fromPrimitive(reader, start, typeInfo);
            break;

        case EMPTY:
        default:
            value = new PrimitiveValueImpl(StringUtils.EMPTY);
        }
    } else {
        value = new NullValueImpl();
    }

    property.setValue(value);

    return property;
}