com.javacreed.examples.gson.part1.BookSerialiser.java Source code

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Here is the source code for com.javacreed.examples.gson.part1.BookSerialiser.java

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/**
 * Copyright 2012-2014 Java Creed.
 * 
 * Licensed under the Apache License, Version 2.0 (the "<em>License</em>");
 * 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.javacreed.examples.gson.part1;

import java.lang.reflect.Type;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

public class BookSerialiser implements JsonSerializer<Book> {

    @Override
    public JsonElement serialize(final Book book, final Type typeOfSrc, final JsonSerializationContext context) {
        final JsonObject jsonObject = new JsonObject();
        jsonObject.addProperty("title", book.getTitle());
        jsonObject.addProperty("isbn-10", book.getIsbn10());
        jsonObject.addProperty("isbn-13", book.getIsbn13());

        final JsonArray jsonAuthorsArray = new JsonArray();
        for (final String author : book.getAuthors()) {
            final JsonPrimitive jsonAuthor = new JsonPrimitive(author);
            jsonAuthorsArray.add(jsonAuthor);
        }
        jsonObject.add("authors", jsonAuthorsArray);

        return jsonObject;
    }
}