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/*
* 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;
}
}