ac.simons.oembed.OembedJsonParser.java Source code

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Here is the source code for ac.simons.oembed.OembedJsonParser.java

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/**
 * Created by Michael Simons, michael-simons.eu
 * and released under The BSD License
 * http://www.opensource.org/licenses/bsd-license.php
 *
 * Copyright (c) 2010, Michael Simons
 * All rights reserved.
 *
 * Redistribution  and  use  in  source   and  binary  forms,  with  or   without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source   code must retain   the above copyright   notice,
 *   this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary  form must reproduce  the above copyright  notice,
 *   this list of conditions  and the following  disclaimer in the  documentation
 *   and/or other materials provided with the distribution.
 *
 * * Neither the name  of  michael-simons.eu   nor the names  of its contributors
 *   may be used  to endorse   or promote  products derived  from  this  software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS  PROVIDED BY THE  COPYRIGHT HOLDERS AND  CONTRIBUTORS "AS IS"
 * AND ANY  EXPRESS OR  IMPLIED WARRANTIES,  INCLUDING, BUT  NOT LIMITED  TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL  THE COPYRIGHT HOLDER OR CONTRIBUTORS  BE LIABLE
 * FOR ANY  DIRECT, INDIRECT,  INCIDENTAL, SPECIAL,  EXEMPLARY, OR  CONSEQUENTIAL
 * DAMAGES (INCLUDING,  BUT NOT  LIMITED TO,  PROCUREMENT OF  SUBSTITUTE GOODS OR
 * SERVICES; LOSS  OF USE,  DATA, OR  PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE  USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package ac.simons.oembed;

import java.io.InputStream;
import java.io.OutputStream;

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.TypeFactory;
import com.fasterxml.jackson.module.jaxb.JaxbAnnotationIntrospector;

/**
 * @author Michael J. Simons
 */
public class OembedJsonParser implements OembedParser {
    private final ObjectMapper objectMapper;

    public OembedJsonParser() {
        this.objectMapper = new ObjectMapper()
                .setAnnotationIntrospector(new JaxbAnnotationIntrospector(TypeFactory.defaultInstance()))
                .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
    }

    /**
     * Hook to provide a custom object mapper with custom serializer / deserializer
     * @param objectMapper
     */
    public OembedJsonParser(final ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
    }

    @Override
    public OembedResponse unmarshal(InputStream httpResponse) throws OembedException {
        try {
            return objectMapper.readValue(httpResponse, OembedResponse.class);
        } catch (Exception e) {
            throw new OembedException(e);
        }
    }

    @Override
    public String marshal(OembedResponse oembedResponse) throws OembedException {
        try {
            return objectMapper.writeValueAsString(oembedResponse);
        } catch (Exception e) {
            throw new OembedException(e);
        }
    }

    @Override
    public void marshal(OembedResponse oembedResponse, OutputStream outputStream) throws OembedException {
        try {
            this.objectMapper.writeValue(outputStream, oembedResponse);
        } catch (Exception e) {
            throw new OembedException(e);
        }
    }
}