@Override
public void endPrefixMapping(String prefix) throws SAXException {
this.prefixMappings.remove(prefix);
// Send the event to the right extra handler.
super.endPrefixMapping(prefix);
}
@Override
public void endDocument() throws SAXException {
this.state = State.NONE;
this.currentEntry = null;
this.contentBuffer = null;
super.endDocument();
}
@Override
public void characters(char[] ch, int start, int length) throws SAXException {
if (this.contentDepth >= 0) {
// The content might embed XML elements from various namespaces
if (this.currentContentWriter != null) {
this.currentContentWriter.characters(ch, start, length);
}
} else {
this.contentBuffer.append(ch, start, length);
}
super.characters(ch, start, length);
}
@Override
public void startPrefixMapping(String prefix, String uri) throws SAXException {
this.prefixMappings.put(prefix, uri);
super.startPrefixMapping(prefix, uri);
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attrs)
throws SAXException {
this.contentBuffer.delete(0, this.contentBuffer.length() + 1);
if (this.contentDepth >= 0) {
// The content might embed XML elements from various namespaces
if (this.currentContentWriter != null) {
this.currentContentWriter.startElement(uri, localName, qName, attrs);
}
this.contentDepth++;
} else if (uri.equalsIgnoreCase(Feed.ATOM_NAMESPACE)) {
if (localName.equals("feed")) {
String attr = attrs.getValue("xml:base");
if (attr != null) {
this.currentFeed.setBaseReference(new Reference(attr));
}
this.state = State.FEED;
startFeed(this.currentFeed);
} else if (localName.equals("title")) {
startTextElement(attrs);
if (this.state == State.FEED) {
this.state = State.FEED_TITLE;
} else if (this.state == State.FEED_ENTRY) {
this.state = State.FEED_ENTRY_TITLE;
} else if (this.state == State.FEED_ENTRY_SOURCE) {
this.state = State.FEED_ENTRY_SOURCE_TITLE;
}
} else if (localName.equals("summary")) {
startTextElement(attrs);
if (this.state == State.FEED_ENTRY) {
this.state = State.FEED_ENTRY_SUMMARY;
}
} else if (localName.equals("updated")) {
this.currentDate = new Date();
if (this.state == State.FEED) {
this.state = State.FEED_UPDATED;
} else if (this.state == State.FEED_ENTRY) {
this.state = State.FEED_ENTRY_UPDATED;
} else if (this.state == State.FEED_ENTRY_SOURCE) {
this.state = State.FEED_ENTRY_SOURCE_UPDATED;
}
} else if (localName.equals("published")) {
this.currentDate = new Date();
if (this.state == State.FEED_ENTRY) {
this.state = State.FEED_ENTRY_PUBLISHED;
}
} else if (localName.equals("author")) {
this.currentPerson = new Person();
if (this.state == State.FEED) {
this.state = State.FEED_AUTHOR;
} else if (this.state == State.FEED_ENTRY) {
this.state = State.FEED_ENTRY_AUTHOR;
} else if (this.state == State.FEED_ENTRY_SOURCE) {
this.state = State.FEED_ENTRY_SOURCE_AUTHOR;
}
} else if (localName.equals("name")) {
if (this.state == State.FEED_AUTHOR) {
this.state = State.FEED_AUTHOR_NAME;
} else if (this.state == State.FEED_ENTRY_AUTHOR) {
this.state = State.FEED_ENTRY_AUTHOR_NAME;
} else if (this.state == State.FEED_ENTRY_SOURCE_AUTHOR) {
this.state = State.FEED_ENTRY_SOURCE_AUTHOR_NAME;
}
} else if (localName.equals("id")) {
if (this.state == State.FEED) {
this.state = State.FEED_ID;
} else if (this.state == State.FEED_ENTRY) {
this.state = State.FEED_ENTRY_ID;
} else if (this.state == State.FEED_ENTRY_SOURCE) {
this.state = State.FEED_ENTRY_SOURCE_ID;
}
} else if (localName.equals("link")) {
this.currentLink = new Link();
this.currentLink.setHref(new Reference(attrs.getValue("", "href")));
this.currentLink.setRel(Relation.valueOf(attrs.getValue("", "rel")));
String type = attrs.getValue("", "type");
if (type != null && type.length() > 0) {
this.currentLink.setType(new MediaType(type));
}
this.currentLink.setHrefLang(new Language(attrs.getValue("", "hreflang")));
this.currentLink.setTitle(attrs.getValue("", "title"));
final String attr = attrs.getValue("", "length");
this.currentLink.setLength((attr == null) ? -1L : Long.parseLong(attr));
if (this.state == State.FEED) {
this.state = State.FEED_LINK;
} else if (this.state == State.FEED_ENTRY) {
this.state = State.FEED_ENTRY_LINK;
} else if (this.state == State.FEED_ENTRY_SOURCE) {
this.state = State.FEED_ENTRY_SOURCE_LINK;
}
// Glean the content
this.currentContent = new Content();
// Content available inline
initiateInlineMixedContent();
this.currentLink.setContent(currentContent);
startLink(this.currentLink);
} else if (localName.equalsIgnoreCase("entry")) {
if (this.state == State.FEED) {
this.currentEntry = new Entry();
this.state = State.FEED_ENTRY;
}
startEntry(this.currentEntry);
} else if (localName.equals("category")) {
this.currentCategory = new Category();
this.currentCategory.setTerm(attrs.getValue("", "term"));
this.currentCategory.setScheme(new Reference(attrs.getValue("", "scheme")));
this.currentCategory.setLabel(attrs.getValue("", "label"));
if (this.state == State.FEED) {
this.state = State.FEED_CATEGORY;
} else if (this.state == State.FEED_ENTRY) {
this.state = State.FEED_ENTRY_CATEGORY;
} else if (this.state == State.FEED_ENTRY_SOURCE) {
this.state = State.FEED_ENTRY_SOURCE_CATEGORY;
}
} else if (localName.equalsIgnoreCase("content")) {
if (this.state == State.FEED_ENTRY) {
contentType = getMediaType(attrs.getValue("", "type"));
String srcAttr = attrs.getValue("", "src");
this.currentContent = new Content();
if (srcAttr == null) {
// Content available inline
initiateInlineMixedContent();
} else {
// Content available externally
this.currentContent.setExternalRef(new Reference(srcAttr));
this.currentContent.setExternalType(contentType);
}
this.currentEntry.setContent(currentContent);
this.state = State.FEED_ENTRY_CONTENT;
}
startContent(this.currentContent);
}
}
super.startElement(uri, localName, qName, attrs);
}
@Override
public void startDocument() throws SAXException {
this.contentBuffer = new StringBuilder();
super.startDocument();
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
if (this.currentText != null) {
this.currentText.setContent(this.contentBuffer.toString());
}
if (this.currentDate != null) {
final String formattedDate = this.contentBuffer.toString();
final Date parsedDate = DateUtils.parse(formattedDate.trim(), DateUtils.FORMAT_RFC_3339);
if (parsedDate != null) {
this.currentDate.setTime(parsedDate.getTime());
} else {
this.currentDate = null;
}
}
if (contentDepth > 0) {
// The content might embed XML elements from various namespaces
if (this.currentContentWriter != null) {
this.currentContentWriter.endElement(uri, localName, qName);
}
contentDepth--;
} else if (uri.equalsIgnoreCase(Feed.ATOM_NAMESPACE)) {
if (localName.equals("feed")) {
this.state = State.NONE;
endFeed(this.currentFeed);
} else if (localName.equals("title")) {
if (this.state == State.FEED_TITLE) {
this.currentFeed.setTitle(this.currentText);
this.state = State.FEED;
} else if (this.state == State.FEED_ENTRY_TITLE) {
this.currentEntry.setTitle(this.currentText);
this.state = State.FEED_ENTRY;
} else if (this.state == State.FEED_ENTRY_SOURCE_TITLE) {
this.currentEntry.getSource().setTitle(this.currentText);
this.state = State.FEED_ENTRY_SOURCE;
}
} else if (localName.equals("summary")) {
if (this.state == State.FEED_ENTRY_SUMMARY) {
if (this.currentText != null) {
this.currentEntry.setSummary(this.currentText.getContent());
}
this.state = State.FEED_ENTRY;
}
} else if (localName.equals("updated")) {
if (this.state == State.FEED_UPDATED) {
this.currentFeed.setUpdated(this.currentDate);
this.state = State.FEED;
} else if (this.state == State.FEED_ENTRY_UPDATED) {
this.currentEntry.setUpdated(this.currentDate);
this.state = State.FEED_ENTRY;
} else if (this.state == State.FEED_ENTRY_SOURCE_UPDATED) {
this.currentEntry.getSource().setUpdated(this.currentDate);
this.state = State.FEED_ENTRY_SOURCE;
}
} else if (localName.equals("published")) {
if (this.state == State.FEED_ENTRY_PUBLISHED) {
this.currentEntry.setPublished(this.currentDate);
this.state = State.FEED_ENTRY;
}
} else if (localName.equals("author")) {
if (this.state == State.FEED_AUTHOR) {
this.currentFeed.getAuthors().add(this.currentPerson);
this.state = State.FEED;
} else if (this.state == State.FEED_ENTRY_AUTHOR) {
this.currentEntry.getAuthors().add(this.currentPerson);
this.state = State.FEED_ENTRY;
} else if (this.state == State.FEED_ENTRY_SOURCE_AUTHOR) {
this.currentEntry.getSource().getAuthors().add(this.currentPerson);
this.state = State.FEED_ENTRY_SOURCE;
}
} else if (localName.equals("name")) {
this.currentPerson.setName(this.contentBuffer.toString());
if (this.state == State.FEED_AUTHOR_NAME) {
this.state = State.FEED_AUTHOR;
} else if (this.state == State.FEED_ENTRY_AUTHOR_NAME) {
this.state = State.FEED_ENTRY_AUTHOR;
} else if (this.state == State.FEED_ENTRY_SOURCE_AUTHOR_NAME) {
this.state = State.FEED_ENTRY_SOURCE_AUTHOR;
}
} else if (localName.equals("id")) {
if (this.state == State.FEED_ID) {
this.currentFeed.setId(this.contentBuffer.toString());
this.state = State.FEED;
} else if (this.state == State.FEED_ENTRY_ID) {
this.currentEntry.setId(this.contentBuffer.toString());
this.state = State.FEED_ENTRY;
} else if (this.state == State.FEED_ENTRY_SOURCE_ID) {
this.currentEntry.getSource().setId(this.contentBuffer.toString());
this.state = State.FEED_ENTRY_SOURCE;
}
} else if (localName.equals("link")) {
if (this.state == State.FEED_LINK) {
this.currentFeed.getLinks().add(this.currentLink);
this.state = State.FEED;
} else if (this.state == State.FEED_ENTRY_LINK) {
this.currentEntry.getLinks().add(this.currentLink);
this.state = State.FEED_ENTRY;
} else if (this.state == State.FEED_ENTRY_SOURCE_LINK) {
this.currentEntry.getSource().getLinks().add(this.currentLink);
this.state = State.FEED_ENTRY_SOURCE;
}
// Set the inline content, if any
if (this.currentContentWriter != null) {
String content = this.currentContentWriter.getWriter().toString().trim();
contentDepth = -1;
if ("".equals(content)) {
this.currentLink.setContent(null);
} else {
if (this.currentLink.getType() != null) {
currentContent.setInlineContent(
new StringRepresentation(content, this.currentLink.getType()));
} else {
currentContent.setInlineContent(new StringRepresentation(content));
}
}
this.currentContentWriter = null;
}
endLink(this.currentLink);
} else if (localName.equalsIgnoreCase("entry")) {
if (this.state == State.FEED_ENTRY) {
this.currentFeed.getEntries().add(this.currentEntry);
this.state = State.FEED;
}
endEntry(this.currentEntry);
} else if (localName.equals("category")) {
if (this.state == State.FEED_CATEGORY) {
this.currentFeed.getCategories().add(this.currentCategory);
this.state = State.FEED;
} else if (this.state == State.FEED_ENTRY_CATEGORY) {
this.currentEntry.getCategories().add(this.currentCategory);
this.state = State.FEED_ENTRY;
} else if (this.state == State.FEED_ENTRY_SOURCE_CATEGORY) {
this.currentEntry.getSource().getCategories().add(this.currentCategory);
this.state = State.FEED_ENTRY_SOURCE;
}
} else if (localName.equalsIgnoreCase("content")) {
if (this.state == State.FEED_ENTRY_CONTENT) {
if (!this.currentEntry.getContent().isExternal()) {
String content = this.currentContentWriter.getWriter().toString().trim();
contentDepth = -1;
if ("".equals(content)) {
this.currentEntry.setContent(null);
} else {
currentContent.setInlineContent(new StringRepresentation(content, contentType));
}
}
this.state = State.FEED_ENTRY;
}
this.currentContentWriter = null;
endContent(this.currentContent);
}
}
this.currentText = null;
this.currentDate = null;
super.endElement(uri, localName, qName);
}