@Override
public void write(PrintWriter writer, int indent) {
writeIndent(indent, writer);
if (_children != null && _children.size() > 0) {
writer.print("<");
writer.print(_name);
writeAttributes(writer);
writer.print(">");
if (_children.size() == 1 && _children.get(0) instanceof ERXML.Text) {
_children.get(0).write(writer, 0);
} else {
writer.println();
for (ERXML.Node node : _children) {
node.write(writer, indent + 1);
}
writeIndent(indent, writer);
}
writer.print("</");
writer.print(_name);
writer.println(">");
} else {
writer.print("<");
writer.print(_name);
writeAttributes(writer);
writer.println(" />");
}
}
@Override
public void visit(ERXML.Visitor visitor) {
if (visitor.visit(this) && _children != null) {
for (ERXML.Node node : _children) {
node.visit(visitor);
}
}
}
@Override
public org.w3c.dom.Node w3c(Document doc) {
Element e = doc.createElement(_name);
if (_attributes != null) {
for (ERXML.Attr attribute : _attributes) {
e.setAttribute(attribute.name(), attribute.value());
}
}
if (_children != null) {
for (ERXML.Node child : _children) {
org.w3c.dom.Node childNode = child.w3c(doc);
e.appendChild(childNode);
}
}
return e;
}
/**
* Returns a set of descendent elements of this element that have the given name, or an empty
* list if there aren't any.
*
* @param name the name of the descendent elements to look up
* @return a set of descendents of this element that have the given name, or an empty set if
* there aren't any
*/
public Set<ERXML.E> descendents(final String name) {
final Set<ERXML.E> descendents = new LinkedHashSet<ERXML.E>();
if (_children != null) {
ERXML.Visitor visitor =
new ERXML.Visitor() {
public boolean visit(Item item) {
if (item instanceof ERXML.E && ((ERXML.E) item)._name.equals(name)) {
descendents.add((ERXML.E) item);
}
return true;
}
};
for (ERXML.Node node : _children) {
node.visit(visitor);
}
}
return descendents;
}