protected OutlineNode getNode(
Hashtable linkTable, Link link, int parentId, String linkLabel, Set visited)
throws ZenoException {
Integer otherId =
new Integer((link.getSourceId() == parentId) ? link.getTargetId() : link.getSourceId());
OutlineNode node = genOutlineNode(link, parentId);
if (visited.contains(otherId)) {
node.setDuplicate(true);
return node;
} else {
visited.add(otherId);
List links = (List) linkTable.get(otherId);
if (links != null) {
Iterator it = links.iterator();
while (it.hasNext()) {
LinkImpl link1 = (LinkImpl) it.next();
if ("".equals(linkLabel) || link1.getLabel().equals(linkLabel))
node.add(getNode(linkTable, link1, otherId.intValue(), linkLabel, visited));
else node.add(genOutlineNode(link1, otherId.intValue()));
}
Collections.sort(node.getChildren(), new NodeComparator());
}
return node;
}
}
// obsolete
public List getOutline0(List articles) throws ZenoException {
List result = new ArrayList();
NodeComparator nodeComparator = new NodeComparator();
Hashtable mainLinkTable = new Hashtable();
collectLinks(mainLinkTable, "", -1);
Iterator artit = articles.iterator();
int nr = 1;
while (artit.hasNext()) {
ArticleImpl art = (ArticleImpl) artit.next();
OutlineNode artNode = new OutlineNode("", Integer.toString(art.getId()), art.getAlias());
artNode.setPosition(Integer.toString(nr++));
artNode.setResource(art);
Integer artId = new Integer(art.getId());
HashSet visited = new HashSet();
List links = (List) mainLinkTable.get(artId);
if (links != null) {
Iterator it = links.iterator();
while (it.hasNext()) {
LinkImpl link = (LinkImpl) it.next();
artNode.add(getNode(mainLinkTable, link, art.getId(), "", visited));
}
Collections.sort(artNode.getChildren(), nodeComparator);
}
result.add(artNode);
}
return result;
}
protected void genChildren(Hashtable linkTable, OutlineNode node, Hashtable visited, Article root)
throws ZenoException {
Integer nodeId = new Integer(node.getId());
OutlineNode rnode = (OutlineNode) visited.get(nodeId);
if (rnode != null) {
node.setDuplicate(true);
node.setOriginalPosition(rnode.getPosition());
rnode.setDuplicated(true);
return;
}
visited.put(nodeId, node);
List links = (List) linkTable.get(nodeId);
if (links != null) {
Iterator it = links.iterator();
while (it.hasNext()) {
LinkImpl link1 = (LinkImpl) it.next();
OutlineNode cnode = genOutlineNode(link1, nodeId.intValue());
if (root != null) cnode.genMark(root);
if (!extended || cnode.getResource() != null) node.add(cnode);
}
Collections.sort(node.getChildren(), comparator);
}
Iterator cit = node.getChildren().iterator();
int nr = 1;
while (cit.hasNext()) {
OutlineNode cnode = (OutlineNode) cit.next();
String newPosition = node.getPosition() + "." + nr++;
cnode.setPosition(newPosition);
genChildren(linkTable, cnode, visited, root);
}
}