/**
* This method is called when the HTML parser encounts the beginning of a tag that means that the
* tag is paired by an end tag and it's not an empty one.
*/
@Override
public void handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos) {
// Fire the status listener if the elements processed exceded the rate
if (0 == (++elements % ELEMENTS_RATE))
fireStatusChangedEvent("Processed elements : " + elements);
// Start of STYLE tag
if (HTML.Tag.STYLE.equals(t)) {
isInsideStyleTag = true;
} // if
// Construct a feature map from the attributes list
FeatureMap fm = Factory.newFeatureMap();
// Take all the attributes an put them into the feature map
if (0 != a.getAttributeCount()) {
Enumeration<?> enumeration = a.getAttributeNames();
while (enumeration.hasMoreElements()) {
Object attribute = enumeration.nextElement();
fm.put(attribute.toString(), (a.getAttribute(attribute)).toString());
} // while
} // if
// Just analize the tag t and add some\n chars and spaces to the
// tmpDocContent.The reason behind is that we need to have a readable form
// for the final document.
customizeAppearanceOfDocumentWithStartTag(t);
// If until here the "tmpDocContent" ends with a NON whitespace char,
// then we add a space char before calculating the START index of this
// tag.
// This is done in order not to concatenate the content of two separate tags
// and obtain a different NEW word.
int tmpDocContentSize = tmpDocContent.length();
if (tmpDocContentSize != 0
&& !Character.isWhitespace(tmpDocContent.charAt(tmpDocContentSize - 1)))
tmpDocContent.append(" ");
// create the start index of the annotation
Long startIndex = new Long(tmpDocContent.length());
// initialy the start index is equal with the End index
CustomObject obj = new CustomObject(t.toString(), fm, startIndex, startIndex);
// put it into the stack
stack.push(obj);
} // handleStartTag
/**
* This method is called when the HTML parser encounts the end of a tag that means that the tag is
* paired by a beginning tag
*/
@Override
public void handleEndTag(HTML.Tag t, int pos) {
// obj is for internal use
CustomObject obj = null;
// end of STYLE tag
if (HTML.Tag.STYLE.equals(t)) {
isInsideStyleTag = false;
} // if
// If the stack is not empty then we get the object from the stack
if (!stack.isEmpty()) {
obj = stack.pop();
// Before adding it to the colector, we need to check if is an
// emptyAndSpan one. See CustomObject's isEmptyAndSpan field.
if (obj.getStart().equals(obj.getEnd())) {
// The element had an end tag and its start was equal to its end. Hence
// it is anEmptyAndSpan one.
obj.getFM().put("isEmptyAndSpan", "true");
} // End iff
// we add it to the colector
colector.add(obj);
} // End if
// If element has text between, then customize its apearance
if (obj != null && obj.getStart().longValue() != obj.getEnd().longValue())
// Customize the appearance of the document
customizeAppearanceOfDocumentWithEndTag(t);
// if t is the </HTML> tag then we reached the end of theHTMLdocument
if (t == HTML.Tag.HTML) {
// replace the old content with the new one
doc.setContent(new DocumentContentImpl(tmpDocContent.toString()));
// If basicAs is null then get the default annotation
// set from this gate document
if (basicAS == null)
basicAS = doc.getAnnotations(GateConstants.ORIGINAL_MARKUPS_ANNOT_SET_NAME);
// sort colector ascending on its id
Collections.sort(colector);
// iterate through colector and construct annotations
while (!colector.isEmpty()) {
obj = colector.getFirst();
colector.remove(obj);
// Construct an annotation from this obj
try {
if (markupElementsMap == null) {
basicAS.add(obj.getStart(), obj.getEnd(), obj.getElemName(), obj.getFM());
} else {
String annotationType = markupElementsMap.get(obj.getElemName());
if (annotationType != null)
basicAS.add(obj.getStart(), obj.getEnd(), annotationType, obj.getFM());
}
} catch (InvalidOffsetException e) {
Err.prln("Error creating an annot :" + obj + " Discarded...");
} // end try
// }// end if
} // while
// notify the listener about the total amount of elements that
// has been processed
fireStatusChangedEvent("Total elements : " + elements);
} // else
} // handleEndTag
