public static Map computeLevels(
Map vertexLevelMap, DigraphIteration digraph, Object root, boolean longest) {
if (vertexLevelMap == null) vertexLevelMap = new HashMap();
MutableInteger rootLevel = (MutableInteger) vertexLevelMap.get(root);
if (rootLevel == null) {
rootLevel = new MutableInteger(0);
vertexLevelMap.put(root, rootLevel);
}
for (ArcIterator i = digraph.outgoingIterator(root); i.hasNext(); ) {
i.next();
Object child = i.getDestination();
int childLevelCandidate = rootLevel.intValue() + 1;
MutableInteger childLevel = (MutableInteger) vertexLevelMap.get(child);
if (childLevel == null) {
childLevel = new MutableInteger(childLevelCandidate);
vertexLevelMap.put(child, childLevel);
computeLevels(vertexLevelMap, digraph, child, longest);
} else if ((longest && childLevel.intValue() < childLevelCandidate)
|| (!longest && childLevel.intValue() > childLevelCandidate)) {
childLevel.setValue(childLevelCandidate);
computeLevels(vertexLevelMap, digraph, child, longest);
}
}
return vertexLevelMap;
}
/**
* Return the request parameters as a Map<String,String>. Only the first value of multivalued
* parameters is included.
*/
Map<String, String> getParamsAsMap() {
Map<String, String> map = new HashMap<String, String>();
for (Enumeration en = req.getParameterNames(); en.hasMoreElements(); ) {
String name = (String) en.nextElement();
map.put(name, req.getParameter(name));
}
return map;
}
static {
noRoleParams.put(ROLE_USER_ADMIN, "noadmin");
noRoleParams.put(ROLE_CONTENT_ADMIN, "nocontent");
noRoleParams.put(ROLE_AU_ADMIN, "noau");
noRoleParams.put(ROLE_DEBUG, "nodebug");
}