net.kuujo.vertigo.impl.AbstractResolver.java Source code

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Here is the source code for net.kuujo.vertigo.impl.AbstractResolver.java

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/*
 * Copyright 2014 the original author or authors.
 *
 * 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 net.kuujo.vertigo.impl;

import com.typesafe.config.Config;
import com.typesafe.config.ConfigList;
import com.typesafe.config.ConfigValue;
import com.typesafe.config.ConfigValueType;
import io.vertx.core.json.JsonArray;
import io.vertx.core.json.JsonObject;

import java.util.Map;

/**
 * Base class for resolvers.
 *
 * @author <a href="http://github.com/kuujo">Jordan Halterman</a>
 */
abstract class AbstractResolver {

    /**
     * Converts a Typesafe configuration object to {@link io.vertx.core.json.JsonObject}
     *
     * @param config The Typesafe configuration object to convert.
     * @return The converted configuration.
     */
    @SuppressWarnings("unchecked")
    protected static JsonObject configObjectToJson(Config config) {
        JsonObject json = new JsonObject();
        for (Map.Entry<String, ConfigValue> entry : config.entrySet()) {
            String key = entry.getKey();
            ConfigValue value = entry.getValue();
            if (key.contains(".")) {
                key = key.substring(0, key.indexOf('.'));
                value = config.getValue(key);
            }
            if (value.valueType() == ConfigValueType.OBJECT) {
                json.put(key, configObjectToJson(config.getConfig(key)));
            } else if (value.valueType() == ConfigValueType.LIST) {
                json.put(key, configListToJson(config.getList(key)));
            } else {
                json.put(key, value.unwrapped());
            }
        }
        return json;
    }

    /**
     * Converts a Typesafe configuration list to {@link JsonObject}
     *
     * @param configs The Typesafe configuration list to convert.
     * @return The converted configuration.
     */
    @SuppressWarnings("unchecked")
    protected static JsonArray configListToJson(ConfigList configs) {
        JsonArray json = new JsonArray();
        for (ConfigValue value : configs) {
            if (value.valueType() == ConfigValueType.OBJECT) {
                json.add(configObjectToJson((Config) value));
            } else if (value.valueType() == ConfigValueType.LIST) {
                json.add(configListToJson((ConfigList) value));
            } else {
                json.add(value.unwrapped());
            }
        }
        return json;
    }

}