| 1 | /* |
| 2 | * Copyright (C) 2008 Google Inc. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.google.gson; |
| 18 | |
| 19 | import java.lang.reflect.Type; |
| 20 | |
| 21 | /** |
| 22 | * Context for deserialization that is passed to a custom deserializer during invocation of its |
| 23 | * {@link JsonDeserializer#deserialize(JsonElement, Type, JsonDeserializationContext)} |
| 24 | * method. |
| 25 | * |
| 26 | * @author Inderjeet Singh |
| 27 | * @author Joel Leitch |
| 28 | */ |
| 29 | public interface JsonDeserializationContext { |
| 30 | |
| 31 | /** |
| 32 | * Invokes default deserialization on the specified object. It should never be invoked on |
| 33 | * the element received as a parameter of the |
| 34 | * {@link JsonDeserializer#deserialize(JsonElement, Type, JsonDeserializationContext)} method. Doing |
| 35 | * so will result in an infinite loop since Gson will in-turn call the custom deserializer again. |
| 36 | * |
| 37 | * @param json the parse tree. |
| 38 | * @param typeOfT type of the expected return value. |
| 39 | * @param <T> The type of the deserialized object. |
| 40 | * @return An object of type typeOfT. |
| 41 | * @throws JsonParseException if the parse tree does not contain expected data. |
| 42 | */ |
| 43 | public <T> T deserialize(JsonElement json, Type typeOfT) throws JsonParseException; |
| 44 | } |