| /* |
| * 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 elemental.json.JsonValue; |
| |
| /** |
| * Represents the current location where a value is stored, and allows |
| * the value's replacement or deletion. |
| */ |
| abstract class JsonContext { |
| |
| private JsonValue value; |
| |
| private boolean isFirst = true; |
| |
| JsonContext(JsonValue value) { |
| this.value = value; |
| } |
| |
| /** |
| * Return the underlying JsonValue (Array or Object) that backs the |
| * context. |
| */ |
| public JsonValue getValue() { |
| return value; |
| } |
| |
| /** |
| * Whether or not the current context location within the value is the first |
| * key or array index. |
| */ |
| public boolean isFirst() { |
| return isFirst; |
| } |
| |
| /** |
| * Remove the current array index or key from the underlying json. |
| */ |
| public abstract void removeMe(); |
| |
| /** |
| * Replace the current location's value with a double. |
| */ |
| public abstract void replaceMe(double d); |
| |
| /** |
| * Replace the current location's value with a String. |
| */ |
| public abstract void replaceMe(String d); |
| |
| /** |
| * Replace the current location's value with a boolean. |
| */ |
| public abstract void replaceMe(boolean d); |
| |
| /** |
| * Replace the current location's value with a JsonValue. |
| */ |
| public abstract void replaceMe(JsonValue value); |
| |
| public void setFirst(boolean first) { |
| isFirst = first; |
| } |
| |
| void setValue(JsonValue value) { |
| this.value = value; |
| } |
| } |