@Override
public void endElement(final String uri, final String localName, final String name)
throws SAXException {
if (start) {
level--;
try {
pushcontentWriter.writeEndElement();
} catch (XMLStreamException e) {
throw new SAXException(e);
}
}
if (level == 0) {
// turn off start if we reach the end tag of staring element
start = false;
if (ATTR_CONACTION_VALUE_PUSHAFTER.equals(pushType)
|| ATTR_CONACTION_VALUE_PUSHREPLACE.equals(pushType)) {
// if it is pushafter or replace, we need to record content in pushtable
// if target == null we have already reported error in startElement;
if (target != null) {
if (pushcontentWriter != null) {
try {
pushcontentWriter.close();
} catch (final XMLStreamException e) {
throw new SAXException(e);
}
}
addtoPushTable(target, pushcontentDocumentFragment, pushType);
pushcontentWriter = getXMLStreamWriter();
target = null;
pushType = null;
}
}
}
}
/**
* Write start element.
*
* @param elemName element name
* @param atts attribute
* @param removeConref whether remeove conref info
* @throws SAXException if writing element failed
*/
private void putElement(final String elemName, final Attributes atts, final boolean removeConref)
throws SAXException {
// parameter boolean removeConref specifies whether to remove
// conref information like @conref @conaction in current element
// when copying it to pushcontent. True means remove and false means
// not remove.
try {
pushcontentWriter.writeStartElement(elemName);
for (int index = 0; index < atts.getLength(); index++) {
final String name = atts.getQName(index);
if (!removeConref
|| !ATTRIBUTE_NAME_CONREF.equals(name) && !ATTRIBUTE_NAME_CONACTION.equals(name)) {
String value = atts.getValue(index);
if (ATTRIBUTE_NAME_HREF.equals(name) || ATTRIBUTE_NAME_CONREF.equals(name)) {
// adjust href for pushbefore and replace
value = replaceURL(value);
}
final int offset = atts.getQName(index).indexOf(":");
final String prefix = offset != -1 ? atts.getQName(index).substring(0, offset) : "";
pushcontentWriter.writeAttribute(
prefix, atts.getURI(index), atts.getLocalName(index), value);
}
}
// id attribute should only be added to the starting element
// which dosen't have id attribute set
if (ATTR_CONACTION_VALUE_PUSHREPLACE.equals(pushType)
&& atts.getValue(ATTRIBUTE_NAME_ID) == null
&& level == 1) {
final String fragment = target.getFragment();
if (fragment == null) {
// if there is no '#' in target string, report error
logger.error(
MessageUtils.getInstance().getMessage("DOTJ041E", target.toString()).toString());
} else {
String id = "";
// has element id
if (fragment.contains(SLASH)) {
id = fragment.substring(fragment.lastIndexOf(SLASH) + 1);
} else {
id = fragment;
}
// add id attribute
pushcontentWriter.writeAttribute(ATTRIBUTE_NAME_ID, id);
}
}
} catch (final XMLStreamException e) {
throw new SAXException(e);
}
}
/**
* @param target target
* @param pushcontent content
* @param type push type
*/
private void addtoPushTable(URI target, final DocumentFragment pushcontent, final String type) {
if (target.getFragment() == null) {
// if there is no '#' in target string, report error
logger.error(MessageUtils.getInstance().getMessage("DOTJ041E", target.toString()).toString());
return;
}
if (target.getPath().isEmpty()) {
// means conref the file itself
target = toURI(parsefilename.getPath() + target);
}
final File key = toFile(FileUtils.resolve(fileDir, target));
Hashtable<MoveKey, DocumentFragment> table = null;
if (pushtable.containsKey(key)) {
// if there is something else push to the same file
table = pushtable.get(key);
} else {
// if there is nothing else push to the same file
table = new Hashtable<>();
pushtable.put(key, table);
}
final MoveKey moveKey = new MoveKey(SHARP + target.getFragment(), type);
if (table.containsKey(moveKey)) {
// if there is something else push to the same target
// append content if type is 'pushbefore' or 'pushafter'
// report error if type is 'replace'
if (ATTR_CONACTION_VALUE_PUSHREPLACE.equals(type)) {
logger.error(
MessageUtils.getInstance().getMessage("DOTJ042E", target.toString()).toString());
} else {
table.put(moveKey, appendPushContent(pushcontent, table.get(moveKey)));
}
} else {
// if there is nothing else push to the same target
table.put(moveKey, appendPushContent(pushcontent, null));
}
}
@Override
public void startElement(
final String uri, final String localName, final String name, final Attributes atts)
throws SAXException {
if (start) {
// if start is true, we need to record content in pushcontent
// also we need to add level to make sure start is turn off
// at the corresponding end element
level++;
putElement(name, atts, false);
}
final String conactValue = atts.getValue(ATTRIBUTE_NAME_CONACTION);
if (!start && conactValue != null) {
if (ATTR_CONACTION_VALUE_PUSHBEFORE.equals(conactValue)) {
if (pushcontentDocumentFragment.getChildNodes().getLength() != 0) {
// there are redundant "pushbefore", create a new pushcontent and emit a warning message.
if (pushcontentWriter != null) {
try {
pushcontentWriter.close();
} catch (final XMLStreamException e) {
throw new SAXException(e);
}
}
pushcontentWriter = getXMLStreamWriter();
logger.warn(
MessageUtils.getInstance().getMessage("DOTJ044W").setLocation(atts).toString());
}
start = true;
level = 1;
putElement(name, atts, true);
pushType = ATTR_CONACTION_VALUE_PUSHBEFORE;
} else if (ATTR_CONACTION_VALUE_PUSHAFTER.equals(conactValue)) {
start = true;
level = 1;
if (target == null) {
logger.error(
MessageUtils.getInstance().getMessage("DOTJ039E").setLocation(atts).toString());
} else {
putElement(name, atts, true);
pushType = ATTR_CONACTION_VALUE_PUSHAFTER;
}
} else if (ATTR_CONACTION_VALUE_PUSHREPLACE.equals(conactValue)) {
start = true;
level = 1;
target = toURI(atts.getValue(ATTRIBUTE_NAME_CONREF));
if (target == null) {
logger.error(
MessageUtils.getInstance().getMessage("DOTJ040E").setLocation(atts).toString());
} else {
pushType = ATTR_CONACTION_VALUE_PUSHREPLACE;
putElement(name, atts, true);
}
} else if (ATTR_CONACTION_VALUE_MARK.equals(conactValue)) {
target = toURI(atts.getValue(ATTRIBUTE_NAME_CONREF));
if (target == null) {
logger.error(
MessageUtils.getInstance().getMessage("DOTJ068E").setLocation(atts).toString());
}
if (target != null
&& pushcontentDocumentFragment != null
&& pushcontentDocumentFragment.getChildNodes().getLength() > 0
&& ATTR_CONACTION_VALUE_PUSHBEFORE.equals(pushType)) {
// pushcontent != null means it is pushbefore action
// we need to add target and content to pushtable
if (pushcontentWriter != null) {
try {
pushcontentWriter.close();
} catch (final XMLStreamException e) {
throw new SAXException(e);
}
}
addtoPushTable(target, replaceContent(pushcontentDocumentFragment), pushType);
pushcontentWriter = getXMLStreamWriter();
target = null;
pushType = null;
}
}
} // else if (pushcontent != null && pushcontent.length() > 0 && level == 0) {
// if there is no element with conaction="mark" after
// one with conaction="pushbefore", report syntax error
// }
}