void delete(Iterator<FieldSegment> iter) { FieldSegment field = iter.next(); if (field == null) return; int index = field.getIndexSegment().getIndex(); JsonValue kv = getJsonValueAt(index); // if value doesn't exist in array then return null if (kv == null) { return; } // if this is the last path then return the value at this key in map if (field.isLastPath()) { list.remove(kv.key); } if (field.isMap()) { if (kv.getType() != Type.MAP) { return; } ((JsonDocument) kv).delete(iter); } if (kv.getType() != Type.ARRAY) { return; } JsonList l = (JsonList) kv; l.delete(iter); }
@Override JsonList shallowCopy() { JsonList rec = new JsonList(); rec.list = list; rec.objValue = objValue; rec.jsonValue = jsonValue; return rec; }
JsonValue createOrInsert(Iterator<FieldSegment> iter, JsonValue inJsonValue) { /* if the field is null then get the next field from the iterator */ FieldSegment field; field = iter.next(); int index = field.getIndexSegment().getIndex(); JsonValue oldJsonValue = getJsonValueAt(index); /* * If this is the last element in the path then just * overwrite the previous value for the same key with * new value */ if (field.isLastPath()) { if (index >= list.size()) { list.add(inJsonValue); } else { list.set(index, inJsonValue); } return this; } if (field.isMap()) { /* * if the new value for the same field is not * a map then delete the existing value and write new */ JsonDocument newDocument; if ((oldJsonValue == null) || (oldJsonValue.getType() != Type.MAP)) { newDocument = new JsonDocument(); newDocument.createOrInsert(iter, inJsonValue); if (index >= list.size()) { list.add(newDocument); } else { list.set(index, newDocument); } return this; } newDocument = (JsonDocument) oldJsonValue; return newDocument.createOrInsert(iter, inJsonValue); } /* next field is an array element - like a[3][5] */ JsonList newList; if (oldJsonValue == null || ((oldJsonValue.getType() != Type.ARRAY))) { newList = new JsonList(); newList.createOrInsert(iter, inJsonValue); if (index >= list.size()) { list.add(newList); } else { list.set(index, newList); } return this; } // Existing element is already an array so insert the element inside it newList = (JsonList) oldJsonValue; return newList.createOrInsert(iter, inJsonValue); }