/**
* Look up the index of an attribute by Namespace name.
*
* @param uri The Namespace URI, or the empty string if the name has no Namespace URI.
* @param localName The attribute's local name.
* @return The index of the attribute, or -1 if it does not appear in the list.
*/
public int getIndex(String uri, String localName) {
Vector attributes;
int size;
Attribute attribute;
String string;
int ret;
ret = -1;
attributes = mTag.getAttributesEx();
if (null != attributes) {
size = attributes.size();
for (int i = 1; i < size; i++) {
attribute = (Attribute) attributes.elementAt(i);
string = attribute.getName();
if (null != string) // not whitespace
{
mSupport.processName(string, mParts, true);
if (uri.equals(mParts[0]) & localName.equalsIgnoreCase(mParts[1])) {
ret = i;
i = size; // exit fast
}
}
}
}
return (ret);
}
/**
* Look up an attribute's value by index.
*
* <p>If the attribute value is a list of tokens (IDREFS, ENTITIES, or NMTOKENS), the tokens will
* be concatenated into a single string with each token separated by a single space.
*
* @param index The attribute index (zero-based).
* @return The attribute's value as a string, or null if the index is out of range.
* @see #getLength
*/
public String getValue(int index) {
Attribute attribute;
String ret;
attribute = (Attribute) (mTag.getAttributesEx().elementAt(index + 1));
ret = attribute.getValue();
if (null == ret) ret = "";
return (ret);
}
/**
* Look up an attribute's XML qualified (prefixed) name by index.
*
* @param index The attribute index (zero-based).
* @return The XML qualified name, or the empty string if none is available, or null if the index
* is out of range.
* @see #getLength
*/
public String getQName(int index) {
Attribute attribute;
String ret;
attribute = (Attribute) (mTag.getAttributesEx().elementAt(index + 1));
if (attribute.isWhitespace()) ret = "#text";
else ret = attribute.getName();
return (ret);
}
@Override
public void visitTag(Tag tag) {
Element e = Document.get().createElement(tag.getTagName());
map.put(tag, e);
for (Object o : tag.getAttributesEx()) {
Attribute a = (Attribute) o;
if ("id".equalsIgnoreCase(a.getName())) {
e.setId(a.getValue());
} else if ("style".equalsIgnoreCase(a.getName())) {
processStyle(e, a.getValue());
} else if ("class".equalsIgnoreCase(a.getName())) {
e.setClassName(a.getValue());
} else if (!a.isEmpty() && !a.isWhitespace() && a.isValued()) {
e.setAttribute(a.getName(), a.getValue());
}
}
Element parent = getParent(tag.getParent());
parent.appendChild(e);
}
/**
* Given a tag, check its attributes, removing those unwanted or not secure
*
* @param tag The tag to analyze
* @param checkIfAttributeIsWelcome true if the attribute name should be matched against the list
* of welcome attributes, set in the main configuration file.
*/
private void checkAndValidateAttributes(Tag tag, boolean checkIfAttributeIsWelcome) {
Vector<Attribute> newAttributes = new Vector<Attribute>();
for (Iterator<?> iter = tag.getAttributesEx().iterator(); iter.hasNext(); ) {
Attribute a = (Attribute) iter.next();
String name = a.getName();
if (name == null) {
newAttributes.add(a);
} else {
name = name.toUpperCase();
if (a.getValue() == null) {
newAttributes.add(a);
continue;
}
String value = a.getValue().toLowerCase();
if (checkIfAttributeIsWelcome && !this.isAttributeWelcome(name)) {
continue;
}
if (!this.isAttributeSafe(name, value)) {
continue;
}
if (a.getValue().indexOf("&#") > -1) {
a.setValue(a.getValue().replaceAll("&#", "&#"));
}
newAttributes.add(a);
}
}
tag.setAttributesEx(newAttributes);
}
/**
* Return the number of attributes in the list.
*
* <p>Once you know the number of attributes, you can iterate through the list.
*
* @return The number of attributes in the list.
* @see #getURI(int)
* @see #getLocalName(int)
* @see #getQName(int)
* @see #getType(int)
* @see #getValue(int)
*/
public int getLength() {
return (mTag.getAttributesEx().size() - 1);
}
