@Override
public StartElement startElement(final StartElement element) throws XMLStreamException {
final String curPath = parser.getCurPath();
if (this.inside) {
this.deepLevel++;
writeElement(element);
final int attCount = element.getAttributeCount();
for (int i = 0; i < attCount; i++) {
final Attribute curAtt = element.getAttribute(i);
writeAttribute(
curAtt.getNamespace(),
element.getLocalName(),
curAtt.getLocalName(),
curAtt.getValue(),
curAtt.getPrefix());
}
} else {
if (curPath.endsWith("components/component")) {
final int indexObjid = element.indexOfAttribute(null, "objid");
final int indexHref = element.indexOfAttribute(Constants.XLINK_NS_URI, "href");
if (!(indexObjid > -1 && element.getAttribute(indexObjid).getValue().length() > 0
|| indexHref > -1
&& Utility.getId(element.getAttribute(indexHref).getValue()).length() > 0)) {
// start new component if there is no ID
final ByteArrayOutputStream out = new ByteArrayOutputStream();
this.writer = XmlUtility.createXmlStreamWriter(out);
outputStreams.add(out);
this.inside = true;
this.deepLevel++;
writeElement(element);
final int attCount = element.getAttributeCount();
for (int i = 0; i < attCount; i++) {
final Attribute curAtt = element.getAttribute(i);
writeAttribute(
curAtt.getNamespace(),
element.getLocalName(),
curAtt.getLocalName(),
curAtt.getValue(),
curAtt.getPrefix());
}
}
}
}
return element;
}
@Override
public StartElement startElement(final StartElement element)
throws TripleStoreSystemException, WebserverSystemException, InvalidContentException {
final String curPath = parser.getCurPath();
if (curPath.startsWith(this.componentPath) && curPath.equals(this.componentPath)) {
// do my job
// save componentId
final int indexObjid = element.indexOfAttribute(null, "objid");
final int indexHref = element.indexOfAttribute(Constants.XLINK_NS_URI, "href");
if (indexObjid >= 0 || indexHref >= 0) {
final String componentId =
indexObjid >= 0
? element.getAttribute(indexObjid).getValue()
: Utility.getId(element.getAttribute(indexHref).getValue());
if (componentId.length() > 0) {
// check if component exists
boolean componentExists = false;
final List<String> existingComponents =
TripleStoreUtility.getInstance().getComponents(this.itemId);
for (final String existingComponent : existingComponents) {
if (existingComponent.equals(componentId)) {
componentExists = true;
break;
}
}
if (!componentExists) {
throw new InvalidContentException(
"Component with id "
+ componentId
+ " does not exist in item "
+ this.itemId
+ '.');
}
}
}
}
return element;
}