def asJSON(tree):
""" Return a String with a JSON map containing the name, id, and list of connections. """
json = StringBuilder()
json.append('{"id" : "').append(tree.id).append('",\n')
json.append(' "name" : "').append(getTitle(tree)).append('",\n')
tableOut, tableIn = findConnections(tree)
json.append(' "outgoing" : [')
for target, num in sortMapByValue(tableOut, True):
json.append(' ["').append(getTitle(target)).append('", ').append(num).append('],\n')
if len(tableOut) > 0:
json.setLength(json.length()-2)
json.append('],\n')
json.append(' "incoming" : [')
for origin, num in sortMapByValue(tableIn, True):
json.append(' ["').append(getTitle(origin)).append('", ').append(num).append('],\n')
if len(tableIn) > 0:
json.setLength(json.length()-2)
json.append(']}\n')
return json.toString()
