/*
 * Copyright 2002-2017 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 org.springframework.amqp.support.converter;

import org.springframework.beans.factory.BeanClassLoaderAware;
import org.springframework.util.ClassUtils;

/**
 * Abstract JSON message converter.
 * @author Mark Pollack
 * @author James Carr
 * @author Dave Syer
 * @author Sam Nelson
 * @author Andreas Asplund
 * @author Artem Bilan
 */
public abstract class AbstractJsonMessageConverter extends AbstractMessageConverter
		implements BeanClassLoaderAware {

	public static final String DEFAULT_CHARSET = "UTF-8";

	private volatile String defaultCharset = DEFAULT_CHARSET;

	private ClassMapper classMapper = null;

	private ClassLoader classLoader = ClassUtils.getDefaultClassLoader();

	public ClassMapper getClassMapper() {
		return this.classMapper;

	}

	public void setClassMapper(ClassMapper classMapper) {
		this.classMapper = classMapper;
	}

	/**
	 * Specify the default charset to use when converting to or from text-based
	 * Message body content. If not specified, the charset will be "UTF-8".
	 *
	 * @param defaultCharset The default charset.
	 */
	public void setDefaultCharset(String defaultCharset) {
		this.defaultCharset = (defaultCharset != null) ? defaultCharset
				: DEFAULT_CHARSET;
	}

	public String getDefaultCharset() {
		return this.defaultCharset;
	}

	@Override
	public void setBeanClassLoader(ClassLoader classLoader) {
		this.classLoader = classLoader;
	}

	protected ClassLoader getClassLoader() {
		return this.classLoader;
	}

}