de.dfki.asr.compass.rest.providers.JacksonContextResolver.java Source code

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Here is the source code for de.dfki.asr.compass.rest.providers.JacksonContextResolver.java

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/*
 * This file is part of COMPASS. It is subject to the license terms in
 * the LICENSE file found in the top-level directory of this distribution.
 * (Also available at http://www.apache.org/licenses/LICENSE-2.0.txt)
 * You may not use this file except in compliance with the License.
 */
package de.dfki.asr.compass.rest.providers;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;

/**
 * Customized {@code ContextResolver} implementation that does not use any annotations to produce/resolve JSON field names.
 */
@Provider
@Produces(MediaType.APPLICATION_JSON)
public class JacksonContextResolver implements ContextResolver<ObjectMapper> {

    private final ObjectMapper objectMapper;

    /**
     * Creates a new instance.
     */
    public JacksonContextResolver() {
        this.objectMapper = new ObjectMapper();
        this.objectMapper.setAnnotationIntrospector(new JacksonAnnotationIntrospector());
        this.objectMapper.findAndRegisterModules();
    }

    /**
     * @param objectType
     * @return objectMmapper
     * @see javax.ws.rs.ext.ContextResolver#getContext(java.lang.Class)
     */
    @Override
    public ObjectMapper getContext(final Class<?> objectType) {
        return objectMapper;
    }
}