stack/rest/src/main/java/org/apache/usergrid/rest/JacksonCustomMapperProvider.java

/*
 * 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 org.apache.usergrid.rest;


import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;

import org.codehaus.jackson.jaxrs.Annotations;
import org.codehaus.jackson.jaxrs.MapperConfigurator;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;


@Provider
@Component
@Scope("singleton")
@Produces({ MediaType.APPLICATION_JSON, MediaType.TEXT_HTML })
public class JacksonCustomMapperProvider implements ContextResolver<ObjectMapper> {

    private static final Logger logger = LoggerFactory.getLogger( JacksonCustomMapperProvider.class );

    public final static Annotations[] BASIC_ANNOTATIONS = { Annotations.JACKSON };
    MapperConfigurator _mapperConfig;


    public JacksonCustomMapperProvider() {
        logger.info( "JacksonCustomMapperProvider installed" );
        _mapperConfig = new MapperConfigurator( new ObjectMapper(), BASIC_ANNOTATIONS );
        _mapperConfig.setAnnotationsToUse( BASIC_ANNOTATIONS );
        // do configuration of mapper here
        _mapperConfig.configure( SerializationConfig.Feature.INDENT_OUTPUT, true );
        _mapperConfig.configure( SerializationConfig.Feature.WRITE_DATES_AS_TIMESTAMPS, false );
    }


    @Override
    public ObjectMapper getContext( Class<?> aClass ) {
        return _mapperConfig.getConfiguredMapper();
    }


    public MapperConfigurator getConfigurator() {
        return _mapperConfig;
    }
}