/*
 *  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
 *
 *    https://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.grails.encoder;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.ApplicationContext;

import grails.core.GrailsApplication;

public class CodecLookupHelper {
    private static final Logger log = LoggerFactory.getLogger(CodecLookupHelper.class);

    private CodecLookupHelper() {
    }

    /**
     * Lookup encoder.
     *
     * @param grailsApplication the grailsApplication instance
     * @param codecName the codec name
     * @return the encoder instance
     */
    public static Encoder lookupEncoder(GrailsApplication grailsApplication, String codecName) {
        ApplicationContext ctx = grailsApplication != null ? grailsApplication.getMainContext() : null;
        if (ctx != null) {
            try {
                CodecLookup codecLookup = ctx.getBean("codecLookup", CodecLookup.class);
                return codecLookup.lookupEncoder(codecName);
            } catch (NoSuchBeanDefinitionException e) {
                // ignore missing codecLookup bean in tests
                log.debug("codecLookup bean is missing from test context.", e);
            }
        }
        return null;
    }
}
