List of usage examples for javax.xml.stream.events XMLEvent isStartElement
public boolean isStartElement();
From source file:org.apache.olingo.client.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 = 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);//from w ww .ja v a2 s. com 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.client.core.serialization.AtomDeserializer.java
private PropertyType 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();//from w ww . j a v a 2 s . c o m } else { child = event; } } final PropertyType type; if (child == null) { type = typeInfo == null || typeInfo.isPrimitiveType() ? PropertyType.PRIMITIVE : PropertyType.ENUM; } else { if (child.isStartElement()) { if (Constants.NS_GML.equals(child.asStartElement().getName().getNamespaceURI())) { type = PropertyType.PRIMITIVE; } else if (elementQName.equals(child.asStartElement().getName())) { type = PropertyType.COLLECTION; } else { type = PropertyType.COMPLEX; } } else if (child.isCharacters()) { type = typeInfo == null || typeInfo.isPrimitiveType() ? PropertyType.PRIMITIVE : PropertyType.ENUM; } else { type = PropertyType.EMPTY; } } return type; }
From source file:org.apache.olingo.client.core.serialization.AtomDeserializer.java
private StartElement skipBeforeFirstStartElement(final XMLEventReader reader) throws XMLStreamException { StartElement startEvent = null; while (reader.hasNext() && startEvent == null) { final XMLEvent event = reader.nextEvent(); if (event.isStartElement()) { startEvent = event.asStartElement(); }/*from ww w .j a v a2 s .c om*/ } if (startEvent == null) { throw new IllegalArgumentException("Cannot find any XML start element"); } return startEvent; }
From source file:org.apache.olingo.client.core.serialization.AtomDeserializer.java
private void inline(final XMLEventReader reader, final StartElement start, final Link 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 = getStartElement(reader); if (inline != null) { if (Constants.QNAME_ATOM_ELEM_ENTRY.equals(inline.getName())) { link.setInlineEntity(entity(reader, inline)); }//from w w w .jav a2 s . c om 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.client.core.serialization.AtomDeserializer.java
private StartElement getStartElement(final XMLEventReader reader) throws XMLStreamException { while (reader.hasNext()) { final XMLEvent innerEvent = reader.peek(); if (innerEvent.isCharacters() && innerEvent.asCharacters().isWhiteSpace()) { reader.nextEvent();//from w w w .ja v a 2 s . com } else if (innerEvent.isStartElement()) { return innerEvent.asStartElement(); } else if (innerEvent.isEndElement() && inlineQName.equals(innerEvent.asEndElement().getName())) { return null; } } return 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 w w .j av a 2s . co 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 void properties(final XMLEventReader reader, final StartElement start, final Entity entity) throws XMLStreamException, EdmPrimitiveTypeException { final Map<String, List<Annotation>> annotations = new HashMap<String, List<Annotation>>(); boolean foundEndProperties = false; while (reader.hasNext() && !foundEndProperties) { final XMLEvent event = reader.nextEvent(); if (event.isStartElement()) { if (annotationQName.equals(event.asStartElement().getName())) { final String target = event.asStartElement() .getAttributeByName(QName.valueOf(Constants.ATTR_TARGET)).getValue(); if (!annotations.containsKey(target)) { annotations.put(target, new ArrayList<Annotation>()); }/*from www . java 2 s .co m*/ annotations.get(target).add(annotation(reader, event.asStartElement())); } else { entity.getProperties().add(property(reader, event.asStartElement())); } } if (event.isEndElement() && start.getName().equals(event.asEndElement().getName())) { foundEndProperties = true; } } for (Property property : entity.getProperties()) { if (annotations.containsKey(property.getName())) { property.getAnnotations().addAll(annotations.get(property.getName())); } } }
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 a v a 2s .c om } 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. j av a2s .co m 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 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 w w. ja v a2 s .com } 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; }