List of usage examples for javax.xml.stream.events XMLEvent isStartElement
public boolean isStartElement();
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;// w w w . j a v a2 s.co m 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 ComplexValue fromComplex(final XMLEventReader reader, final StartElement start) throws XMLStreamException { final ComplexValue value = new ComplexValueImpl(); boolean foundEndProperty = false; while (reader.hasNext() && !foundEndProperty) { final XMLEvent event = reader.nextEvent(); if (event.isStartElement()) { value.get().add(deserialize(reader, event.asStartElement())); }// w ww .j a va2 s. com 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 CollectionValue fromCollection(final XMLEventReader reader, final StartElement start, final EdmTypeInfo typeInfo) throws XMLStreamException { final CollectionValueImpl value = new CollectionValueImpl(); final EdmTypeInfo type = typeInfo == null ? null : new EdmTypeInfo.Builder().setTypeExpression(typeInfo.getFullQualifiedName().toString()).build(); boolean foundEndProperty = false; while (reader.hasNext() && !foundEndProperty) { final XMLEvent event = reader.nextEvent(); if (event.isStartElement()) { switch (guessPropertyType(reader)) { case COMPLEX: value.get().add(fromComplex(reader, event.asStartElement())); break; case PRIMITIVE: value.get().add(fromPrimitive(reader, event.asStartElement(), type)); break; default: // do not add null or empty values }/*from w w w .j av a 2s.c o m*/ } 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; while (reader.hasNext() && child == null) { final XMLEvent event = reader.peek(); if (event.isCharacters() && event.asCharacters().isWhiteSpace()) { reader.nextEvent();// w ww . j a v a 2 s . c o m } 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;//w ww . ja va 2s. c o m 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;//from w ww . ja v a2s .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 void fromCollection(final Valuable valuable, final XMLEventReader reader, final StartElement start, final EdmTypeInfo typeInfo) throws XMLStreamException, EdmPrimitiveTypeException { List<Object> values = new ArrayList<Object>(); ValueType valueType = ValueType.COLLECTION_PRIMITIVE; final EdmTypeInfo type = typeInfo == null ? null : new EdmTypeInfo.Builder().setTypeExpression(typeInfo.getFullQualifiedName().toString()).build(); boolean foundEndProperty = false; while (reader.hasNext() && !foundEndProperty) { final XMLEvent event = reader.nextEvent(); if (event.isStartElement()) { switch (guessPropertyType(reader, typeInfo)) { case COMPLEX: final Object complexValue = fromComplexOrEnum(reader, event.asStartElement()); valueType = complexValue instanceof LinkedComplexValue ? ValueType.COLLECTION_LINKED_COMPLEX : ValueType.COLLECTION_COMPLEX; values.add(complexValue); break; case ENUM: valueType = ValueType.COLLECTION_ENUM; values.add(fromComplexOrEnum(reader, event.asStartElement())); break; case PRIMITIVE: final Object value = fromPrimitive(reader, event.asStartElement(), type); valueType = value instanceof Geospatial ? ValueType.COLLECTION_GEOSPATIAL : ValueType.COLLECTION_PRIMITIVE; values.add(value);/*w ww . j ava 2 s .c o m*/ break; default: // do not add null or empty values } } if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) { foundEndProperty = true; } } valuable.setValue(valueType, values); }
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; while (reader.hasNext() && child == null) { final XMLEvent event = reader.peek(); if (event.isCharacters() && event.asCharacters().isWhiteSpace()) { reader.nextEvent();//w ww . ja v a 2 s. c o m } 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 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 a v a 2 s.c o m } 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; } } }
From source file:org.apache.olingo.commons.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; }// w ww. ja v a 2s. c om final DeltaImpl delta = new DeltaImpl(); final Attribute xmlBase = start.getAttributeByName(Constants.QNAME_ATTR_XML_BASE); if (xmlBase != null) { delta.setBaseURI(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 (ODataServiceVersion.V40.getNamespace(NamespaceKey.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 DeletedEntityImpl deletedEntity = new DeletedEntityImpl(); 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 DeltaLinkImpl link = new DeltaLinkImpl(); 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; }