/* * Copyright (c) 2014. * * BaasBox - info-at-baasbox.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.baasbox.service.query; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.ArrayNode; import com.fasterxml.jackson.databind.node.ObjectNode; import com.baasbox.service.query.PartsLexer.Part; public class JsonTree { public static JsonNode read(JsonNode json,PartsParser pp){ JsonNode root = json; for (Part p : pp.parts()) { if(p instanceof PartsLexer.ArrayField){ int index = ((PartsLexer.ArrayField)p).arrayIndex; root = root.path(p.getName()).path(index); } else if(p instanceof PartsLexer.Field){ root = root.path(p.getName()); } } return root; } public static JsonNode write(JsonNode json,PartsParser pp,JsonNode data) throws MissingNodeException{ JsonNode root =json; for (Part p : pp.parts()) { if(p.equals(pp.last())){ break; } if(p instanceof PartsLexer.ArrayField){ int index = ((PartsLexer.ArrayField)p).arrayIndex; root = root.path(p.getName()).path(index); } else if(p instanceof PartsLexer.Field){ root = root.path(p.getName()); } } if(root.isMissingNode()){ throw new MissingNodeException(pp.treeFields()); } Part last = pp.last(); if(last instanceof PartsLexer.ArrayField){ PartsLexer.ArrayField arr = (PartsLexer.ArrayField)last; int index = arr.arrayIndex; root = root.path(last.getName()); ArrayNode arrNode = (ArrayNode)root; if(arrNode.size()<=index){ arrNode.add(data); }else{ arrNode.set(index, data); } return root; }else{ try{ ((ObjectNode)root).put(last.getName(),data); }catch(Exception e){ throw new MissingNodeException(pp.treeFields()); } return root.get(last.getName()); } } }