org.civilian.text.keys.serialize.KeyListSerializer.java Source code

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Here is the source code for org.civilian.text.keys.serialize.KeyListSerializer.java

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/*
 * Copyright (C) 2014 Civilian Framework.
 *
 * Licensed under the Civilian License (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.civilian-framework.org/license.txt
 *
 * 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 org.civilian.text.keys.serialize;

import java.lang.reflect.Type;
import org.civilian.text.keys.KeyList;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

/**
 * A JsonSerializer for KeyLists. The serialized KeyList is an array of JavaScript
 * objects, each having properties "text" and "value". 
 */
public class KeyListSerializer implements JsonSerializer<KeyList<?>> {
    /**
     * Serializes the KeyList.
     */
    @Override
    public JsonElement serialize(KeyList<?> keyList, Type typeOfSrc, JsonSerializationContext context) {
        JsonArray array = new JsonArray();
        int n = keyList.size();
        for (int i = 0; i < n; i++) {
            String text = keyList.getText(i);
            Object value = keyList.getValue(i);
            JsonObject element = new JsonObject();
            element.addProperty("text", text);
            element.add("value", context.serialize(value));
            array.add(element);
        }
        return array;
    }
}