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

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

     3 // found in the LICENSE file.

     4 

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

     6 

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

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

     9 

    10 /**

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

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

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

    14  * The quick parser should be suitable for subtype conditions

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

    16  */

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

    18   @Override

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

    20     return parseValueQuick(value);

    21   }

    22 

    23   /**

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

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

    26    */

    27   public abstract T parseValueQuick(Object value) throws JsonProtocolParseException;

    28 

    29   @Override

    30   public QuickParser<T> asQuickParser() {

    31     return this;

    32   }

    33 

    34   @Override

    35   public FieldLoadedFinisher getValueFinisher() {

    36     return null;

    37   }

    38 

    39   @Override

    40   public JsonTypeParser<?> asJsonTypeParser() {

    41     return null;

    42   }

    43 }