Java tutorial
/* * Copyright (c) 2015 IRCCloud, Ltd. * * 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.irccloud.android; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.node.ObjectNode; import org.json.JSONObject; import java.io.IOException; import java.io.StringWriter; public class IRCCloudJSONObject { JsonNode o; int cid = -1; int bid = -1; long eid = -1; String type = null; public IRCCloudJSONObject() { o = new ObjectMapper().createObjectNode(); } public IRCCloudJSONObject(JsonNode object) { o = object; } public IRCCloudJSONObject(String message) { try { ObjectMapper mapper = new ObjectMapper(); o = mapper.readValue(message, JsonNode.class); } catch (IOException e) { e.printStackTrace(); } } public IRCCloudJSONObject(JSONObject object) { try { ObjectMapper mapper = new ObjectMapper(); o = mapper.readValue(object.toString(), JsonNode.class); } catch (IOException e) { e.printStackTrace(); } } public int cid() { if (cid == -1 && o.has("cid")) cid = o.get("cid").asInt(); return cid; } public int bid() { if (bid == -1 && o.has("bid")) bid = o.get("bid").asInt(); return bid; } public long eid() { if (eid == -1 && o.has("eid")) eid = o.get("eid").asLong(); return eid; } public String type() { if (type == null) { if (o.has("type")) type = o.get("type").asText(); else type = "undefined"; } return type; } public boolean has(String name) { return o.has(name) && !o.get(name).isNull(); } public boolean getBoolean(String name) { return o.path(name).asBoolean(false); } public int getInt(String name) { return o.path(name).asInt(-1); } public long getLong(String name) { return o.path(name).asLong(-1); } public String getString(String name) { return o.path(name).asText(); } public JsonNode getJsonNode(String name) { return o.path(name); } public ObjectNode getJsonObject(String name) { try { return (ObjectNode) getJsonNode(name); } catch (ClassCastException e) { return null; } } public JsonNode getObject() { return o; } public String toString() { ObjectMapper mapper = new ObjectMapper(); StringWriter writer = new StringWriter(); try { mapper.writeValue(writer, o); } catch (IOException e) { e.printStackTrace(); } return writer.toString(); } }