com.alibaba.nacos.spring.convert.converter.config.DefaultNacosConfigConverter Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.alibaba.nacos.spring.convert.converter.config;

import java.util.Map;

import org.springframework.core.convert.ConversionService;
import org.springframework.format.support.DefaultFormattingConversionService;

import com.alibaba.nacos.api.config.convert.NacosConfigConverter;
import com.alibaba.nacos.spring.util.ConfigParseUtils;

/**
 * Default {@link NacosConfigConverter} implementation
 *
 * @author Mercy
 * @since 0.1.0
 */
public class DefaultNacosConfigConverter implements NacosConfigConverter {

	private final Class targetType;

	private final ConversionService conversionService;

	private final String type;

	public DefaultNacosConfigConverter(Class targetType) {
		this(targetType, new DefaultFormattingConversionService(), "properties");
	}

	public DefaultNacosConfigConverter(Class targetType,
			ConversionService conversionService, String type) {
		this.targetType = targetType;
		this.conversionService = conversionService;
		this.type = type;
	}

	@Override
	public T convert(String source) {

		// If the parameter is of Map type, the configuration is automatically formatted

		if (Map.class.isAssignableFrom(targetType)) {
			return (T) ConfigParseUtils.toProperties(source, type);
		}

		if (conversionService.canConvert(source.getClass(), targetType)) {
			return conversionService.convert(source, targetType);
		}
		return null;
	}

	@Override
	public boolean canConvert(Class targetType) {
		return conversionService.canConvert(String.class, targetType);
	}
}