// Copyright (c) 2009 The Chromium Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

package org.chromium.sdk.internal.protocolparser.dynamicimpl;

import org.chromium.sdk.internal.protocolparser.JsonProtocolParseException;

import org.chromium.sdk.internal.protocolparser.JsonSubtypeCondition;

/**

 * A parser that accepts value of JSON field and outputs value in another form (e.g. string

 * is converted to enum constant) to serve field getters in JsonType interfaces.

 * The parser is called "quick" because it is supposed to employ only fast conversions.

 * The quick parser should be suitable for subtype conditions

 * (see {@link JsonSubtypeCondition} etc), because they should not take long to evaluate.

 */

abstract class QuickParser<T> extends SlowParser<T> {

  @Override

  public T parseValue(Object value, ObjectData thisData) throws JsonProtocolParseException {

    return parseValueQuick(value);

  }

  /**

   * Parses input value and returns output that doesn't need any post-processing

   * by {@link FieldLoadedFinisher} (see {@link SlowParser}).

   */

  public abstract T parseValueQuick(Object value) throws JsonProtocolParseException;

  @Override

  public QuickParser<T> asQuickParser() {

    return this;

  }

  @Override

  public FieldLoadedFinisher getValueFinisher() {

    return null;

  }

  @Override

  public JsonTypeParser<?> asJsonTypeParser() {

    return null;

  }

}