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 

     9 /**

    10  * This classs is responsible for parsing field values and saving them in {@link ObjectData}

    11  * for future use.

    12  */

    13 class FieldLoader {

    14   private final String fieldName;

    15   private final int fieldPosInArray;

    16   private final SlowParser<?> slowParser;

    17   private final boolean isOptional;

    18 

    19   FieldLoader(int fieldPosInArray, String fieldName, SlowParser<?> slowParser, boolean isOptional) {

    20     this.fieldName = fieldName;

    21     this.fieldPosInArray = fieldPosInArray;

    22     this.slowParser = slowParser;

    23     this.isOptional = isOptional;

    24   }

    25 

    26   public String getFieldName() {

    27     return fieldName;

    28   }

    29 

    30   public void parse(boolean hasValue, Object value, ObjectData objectData)

    31       throws JsonProtocolParseException {

    32     if (hasValue) {

    33       try {

    34         objectData.getFieldArray()[fieldPosInArray] = slowParser.parseValue(value, objectData);

    35       } catch (JsonProtocolParseException e) {

    36         throw new JsonProtocolParseException("Failed to parse field " + getFieldName(), e);

    37       }

    38     } else {

    39       if (!isOptional) {

    40         throw new JsonProtocolParseException("Field is not optional: " + getFieldName());

    41       }

    42     }

    43   }

    44 }