// 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.JsonProtocolModelParseException;

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

/**

 * An implementation of JsonSubtypeCondition* annotations. Basically it only holds all parameters

 * and delegates actual condition evaluating to {@link #conditionLogic}.

 */

class FieldCondition {

  private final String propertyName;

  private final QuickParser<?> quickParser;

  private final FieldConditionLogic conditionLogic;

  FieldCondition(String propertyName, QuickParser<?> quickParser,

      FieldConditionLogic conditionLogic) throws JsonProtocolModelParseException {

    if (conditionLogic.requiresQuickParser() && quickParser == null) {

      throw new JsonProtocolModelParseException(

          "The choose condition does not work with the type of " + propertyName);

    }

    this.propertyName = propertyName;

    this.quickParser = quickParser;

    this.conditionLogic = conditionLogic;

  }

  String getPropertyName() {

    return propertyName;

  }

  /**

   * @param hasValue whether field exists in JSON object (however its value may be null)

   * @param unparsedValue value of the field if hasValue is true or undefined otherwise

   */

  boolean checkValue(boolean hasValue, Object unparsedValue) throws JsonProtocolParseException {

    return conditionLogic.checkValue(hasValue, unparsedValue, quickParser);

  }

}