| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 javax.json; |
| |
| /** |
| * A single value in a JSON expression. |
| */ |
| public interface JsonValue { |
| |
| /** |
| * The empty JSON object. |
| */ |
| JsonObject EMPTY_JSON_OBJECT = Json.createObjectBuilder().build(); |
| |
| /** |
| * The empty JSON array. |
| */ |
| JsonArray EMPTY_JSON_ARRAY = Json.createArrayBuilder().build(); |
| |
| |
| /** |
| * A constant JsonValue for null values |
| */ |
| JsonValue NULL = new JsonValue() { |
| @Override |
| public ValueType getValueType() { |
| return ValueType.NULL; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| return obj instanceof JsonValue && getValueType().equals(JsonValue.class.cast(obj).getValueType()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return ValueType.NULL.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return "null"; |
| } |
| |
| public JsonObject asJsonObject() { |
| return JsonObject.class.cast(this); |
| } |
| |
| public JsonArray asJsonArray() { |
| return JsonArray.class.cast(this); |
| } |
| }; |
| |
| /** |
| * A constant JsonValue for TRUE |
| */ |
| JsonValue TRUE = new JsonValue() { |
| @Override |
| public ValueType getValueType() { |
| return ValueType.TRUE; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| return obj instanceof JsonValue && getValueType().equals(JsonValue.class.cast(obj).getValueType()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return ValueType.TRUE.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return Boolean.TRUE.toString(); |
| } |
| |
| public JsonObject asJsonObject() { |
| return JsonObject.class.cast(this); |
| } |
| |
| public JsonArray asJsonArray() { |
| return JsonArray.class.cast(this); |
| } |
| }; |
| |
| /** |
| * A constant JsonValue for FALSE |
| */ |
| JsonValue FALSE = new JsonValue() { |
| @Override |
| public ValueType getValueType() { |
| return ValueType.FALSE; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| return obj instanceof JsonValue && getValueType().equals(JsonValue.class.cast(obj).getValueType()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return ValueType.FALSE.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return Boolean.FALSE.toString(); |
| } |
| |
| public JsonObject asJsonObject() { |
| return JsonObject.class.cast(this); |
| } |
| |
| public JsonArray asJsonArray() { |
| return JsonArray.class.cast(this); |
| } |
| }; |
| |
| ValueType getValueType(); |
| |
| @Override |
| String toString(); |
| |
| enum ValueType { |
| ARRAY, |
| OBJECT, STRING, NUMBER, |
| TRUE, FALSE, |
| NULL |
| } |
| |
| JsonObject asJsonObject(); |
| |
| JsonArray asJsonArray(); |
| } |