| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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 elemental.json.impl; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import elemental.json.JsonArray; |
| import elemental.json.JsonBoolean; |
| import elemental.json.JsonFactory; |
| import elemental.json.JsonNumber; |
| import elemental.json.JsonObject; |
| import elemental.json.JsonString; |
| import elemental.json.JsonType; |
| import elemental.json.JsonValue; |
| |
| /** |
| * Server-side implementation of JsonObject. |
| */ |
| public class JreJsonObject extends JreJsonValue implements JsonObject { |
| |
| private static List<String> stringifyOrder(String[] keys) { |
| List<String> toReturn = new ArrayList<String>(); |
| List<String> nonNumeric = new ArrayList<String>(); |
| for (String key : keys) { |
| if (key.matches("\\d+")) { |
| toReturn.add(key); |
| } else { |
| nonNumeric.add(key); |
| } |
| } |
| Collections.sort(toReturn); |
| toReturn.addAll(nonNumeric); |
| return toReturn; |
| } |
| |
| private JsonFactory factory; |
| private Map<String, JsonValue> map = new LinkedHashMap<String, JsonValue>(); |
| |
| public JreJsonObject(JsonFactory factory) { |
| this.factory = factory; |
| } |
| |
| @Override |
| public boolean asBoolean() { |
| return true; |
| } |
| |
| @Override |
| public double asNumber() { |
| return Double.NaN; |
| } |
| |
| @Override |
| public String asString() { |
| return "[object Object]"; |
| } |
| |
| public JsonValue get(String key) { |
| return map.get(key); |
| } |
| |
| public JsonArray getArray(String key) { |
| return (JsonArray) get(key); |
| } |
| |
| |
| public boolean getBoolean(String key) { |
| return ((JsonBoolean) get(key)).getBoolean(); |
| } |
| |
| public double getNumber(String key) { |
| return ((JsonNumber) get(key)).getNumber(); |
| } |
| |
| public JsonObject getObject(String key) { |
| return (JsonObject) get(key); |
| } |
| |
| public Object getObject() { |
| Map<String, Object> obj = new HashMap<String, Object>(); |
| for (Map.Entry<String, JsonValue> e : map.entrySet()) { |
| obj.put(e.getKey(), ((JreJsonValue) e.getValue()).getObject()); |
| } |
| return obj; |
| } |
| |
| |
| public String getString(String key) { |
| return ((JsonString) get(key)).getString(); |
| } |
| |
| public JsonType getType() { |
| return JsonType.OBJECT; |
| } |
| |
| @Override |
| public boolean hasKey(String key) { |
| return map.containsKey(key); |
| } |
| |
| @Override |
| public boolean jsEquals(JsonValue value) { |
| return getObject().equals(((JreJsonValue) value).getObject()); |
| } |
| |
| public String[] keys() { |
| return map.keySet().toArray(new String[map.size()]); |
| } |
| |
| public void put(String key, JsonValue value) { |
| if (value == null) { |
| value = factory.createNull(); |
| } |
| map.put(key, value); |
| } |
| |
| public void put(String key, String value) { |
| put(key, factory.create(value)); |
| } |
| |
| public void put(String key, double value) { |
| put(key, factory.create(value)); |
| } |
| |
| public void put(String key, boolean bool) { |
| put(key, factory.create(bool)); |
| } |
| |
| @Override |
| public void remove(String key) { |
| map.remove(key); |
| } |
| |
| public void set(String key, JsonValue value) { |
| put(key, value); |
| } |
| |
| public String toJson() { |
| return JsonUtil.stringify(this); |
| } |
| |
| public String toString() { |
| return toJson(); |
| } |
| |
| @Override |
| public void traverse(JsonVisitor visitor, JsonContext ctx) { |
| if (visitor.visit(this, ctx)) { |
| JsonObjectContext objCtx = new JsonObjectContext(this); |
| for (String key : stringifyOrder(keys())) { |
| objCtx.setCurrentKey(key); |
| if (visitor.visitKey(objCtx.getCurrentKey(), objCtx)) { |
| visitor.accept(get(key), objCtx); |
| objCtx.setFirst(false); |
| } |
| } |
| } |
| visitor.endVisit(this, ctx); |
| } |
| } |