@Override
public void startElement(String uri, String localName, String qName, Attributes origAttrs)
throws SAXException {
// If we have an image tag, re-write the src attribute
// if required
if ("img".equals(localName)) {
AttributesImpl attrs;
if (origAttrs instanceof AttributesImpl) {
attrs = (AttributesImpl) origAttrs;
} else {
attrs = new AttributesImpl(origAttrs);
}
for (int i = 0; i < attrs.getLength(); i++) {
if ("src".equals(attrs.getLocalName(i))) {
String src = attrs.getValue(i);
if (src.startsWith("embedded:")) {
String newSrc = "";
if (imageFolder != null) newSrc += imageFolder + "/";
if (imagePrefix != null) newSrc += imagePrefix;
newSrc += src.substring(src.indexOf(':') + 1);
attrs.setValue(i, newSrc);
}
}
}
super.startElement(uri, localName, qName, attrs);
} else {
// For any other tag, pass through as-is
super.startElement(uri, localName, qName, origAttrs);
}
}
@Override
public void startElement(String uri, String localName, String name, Attributes atts)
throws SAXException {
super.startElement(uri, localName, name, atts);
if (delta < -1) {
super.characters(LINE_SEPARATOR, 0, LINE_SEPARATOR.length);
for (int i = 0; i < level; ++i) {
super.characters(new char[] {'\t'}, 0, 1);
}
delta = 0;
}
delta += 1;
level += 1;
indent = true;
}
@Override
public void startDocument() throws SAXException {
super.startDocument();
level = 0;
delta = 0;
indent = false;
}
@Override
public void endElement(String uri, String localName, String name) throws SAXException {
super.endElement(uri, localName, name);
if (delta > 0) {
delta = 0;
}
delta -= 1;
level -= 1;
indent = true;
}
/**
* Print characters if they have other content than spaces, newlines, or tabs and put them on a
* new, indented line if they are from another element than the characters printed before.
*/
@Override
public void characters(char[] ch, int start, int length) throws SAXException {
boolean content = false;
for (int i = start + length - 1; i >= start; --i) {
if (ch[i] != ' ' && ch[i] != '\n' && ch[i] != '\t' && ch[i] != '\r') {
content = true;
break;
}
}
if (content) {
if (indent) {
super.characters(LINE_SEPARATOR, 0, LINE_SEPARATOR.length);
for (int i = 0; i < level; ++i) {
super.characters(new char[] {'\t'}, 0, 1);
}
indent = false;
}
super.characters(ch, start, length);
}
}
@Override
public void endDocument() throws SAXException {
super.endDocument();
super.characters(LINE_SEPARATOR, 0, LINE_SEPARATOR.length);
}