com.google.iosched.model.validator.IntegerToStringConverter.java Source code

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Here is the source code for com.google.iosched.model.validator.IntegerToStringConverter.java

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/*
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * 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 com.google.iosched.model.validator;

import com.google.gson.JsonPrimitive;

public class IntegerToStringConverter extends Converter {
    @Override
    public JsonPrimitive convert(JsonPrimitive value) {
        if (value == null) {
            return null;
        }
        if (value.isNumber()) {
            return new JsonPrimitive(String.valueOf(value.getAsInt()));
        }
        try {
            Integer.parseInt(value.getAsString());
            // if it parses correctly, it is validated:
            return value;
        } catch (NumberFormatException ex) {
            throw new ConverterException(value, this);
        }
    }
}