ProtostuffJson.java

package serializers.protostuff;

import static serializers.protostuff.Protostuff.MEDIA_CONTENT_SCHEMA;

import com.dyuproject.protostuff.LinkedBuffer;
import com.dyuproject.protostuff.JsonIOUtil;
import com.dyuproject.protostuff.JsonXIOUtil;
import com.dyuproject.protostuff.Schema;
import com.dyuproject.protostuff.runtime.RuntimeSchema;

import serializers.*;
import serializers.protostuff.media.MediaContent;

/**
 * @author David Yu
 * @created Oct 26, 2009
 */

public final class ProtostuffJson
{

    public static void register(TestGroups groups)
    {
        // manual (hand-coded schema, no autoboxing)
        groups.media.add(JavaBuiltIn.mediaTransformer, JsonManualMediaSerializer,
                new SerFeatures(
                        SerFormat.JSON,
                        SerGraph.FLAT_TREE,
                        SerClass.MANUAL_OPT,
                        "json + manual"
                )
        );
        // runtime (reflection)
        groups.media.add(JavaBuiltIn.mediaTransformer, JsonRuntimeMediaSerializer,
                new SerFeatures(
                        SerFormat.JSON,
                        SerGraph.FLAT_TREE,
                        SerClass.ZERO_KNOWLEDGE,
                        "json + reflection"
                )
        );
        
        /* protostuff has too many entries

        // generated code
        groups.media.add(Protostuff.mediaTransformer, JsonMediaSerializer,
                new SerFeatures(
                        SerFormat.JSON,
                        SerGraph.FLAT_TREE,
                        SerClass.CLASSES_KNOWN,
                        "json + generated code"
                )
        );

        // generated code, numeric
        groups.media.add(Protostuff.mediaTransformer, JsonMediaSerializerNumeric,
                new SerFeatures(
                        SerFormat.JSON,
                        SerGraph.FLAT_TREE,
                        SerClass.CLASSES_KNOWN,
                        "json + numeric + generated code"
                )
        );
        
        // manual, numeric (hand-coded schema, no autoboxing)
        groups.media.add(JavaBuiltIn.mediaTransformer, JsonManualMediaSerializerNumeric,
                new SerFeatures(
                        SerFormat.JSON,
                        SerGraph.FLAT_TREE,
                        SerClass.MANUAL_OPT,
                        "json + numeric + manual"
                )
        );
        
        // runtime, numeric (reflection)
        groups.media.add(JavaBuiltIn.mediaTransformer, JsonRuntimeMediaSerializerNumeric,
                new SerFeatures(
                        SerFormat.JSON,
                        SerGraph.FLAT_TREE,
                        SerClass.ZERO_KNOWLEDGE,
                        "json + numeric + reflection"
                )
        );
        */
    }

    public static final Serializer<MediaContent> JsonMediaSerializer = 
        new Serializer<MediaContent>()
    {

        public MediaContent deserialize(byte[] array) throws Exception
        {
            MediaContent mc = new MediaContent();
            JsonIOUtil.mergeFrom(array, mc, mc.cachedSchema(), false);
            return mc;
        }

        public byte[] serialize(MediaContent content) throws Exception
        {
            return JsonIOUtil.toByteArray(content, content.cachedSchema(), false);
        }
        
        public String getName()
        {
            return "json/protostuff";
        }
        
    };

    public static final Serializer<MediaContent> JsonMediaSerializerNumeric = 
        new Serializer<MediaContent>()
    {

        final LinkedBuffer buffer = LinkedBuffer.allocate(512);

        public MediaContent deserialize(byte[] array) throws Exception
        {
            MediaContent mc = new MediaContent();
            JsonIOUtil.mergeFrom(array, mc, mc.cachedSchema(), true);
            return mc;
        }

        public byte[] serialize(MediaContent content) throws Exception
        {
            try
            {
                return JsonXIOUtil.toByteArray(content, content.cachedSchema(), true, buffer);
            }
            finally
            {
                buffer.clear();
            }
        }
        
        public String getName()
        {
            return "json/protostuff+numeric";
        }
        
    };

    public static final Serializer<data.media.MediaContent> JsonRuntimeMediaSerializer = 
        new Serializer<data.media.MediaContent>()
    {

	final Schema<data.media.MediaContent> schema = RuntimeSchema.getSchema(data.media.MediaContent.class);

        public data.media.MediaContent deserialize(byte[] array) throws Exception
        {
            data.media.MediaContent mc = new data.media.MediaContent();
            JsonIOUtil.mergeFrom(array, mc, schema, false);
            return mc;
        }

        public byte[] serialize(data.media.MediaContent content) throws Exception
        {
            return JsonIOUtil.toByteArray(content, schema, false);
        }
        
        public String getName()
        {
            return "json/protostuff-runtime";
        }
        
    };

    public static final Serializer<data.media.MediaContent> JsonRuntimeMediaSerializerNumeric = 
        new Serializer<data.media.MediaContent>()
    {

        final LinkedBuffer buffer = LinkedBuffer.allocate(512);

	    final Schema<data.media.MediaContent> schema = RuntimeSchema.getSchema(data.media.MediaContent.class);

        public data.media.MediaContent deserialize(byte[] array) throws Exception
        {
            data.media.MediaContent mc = new data.media.MediaContent();
            JsonIOUtil.mergeFrom(array, mc, schema, true);
            return mc;
        }

        public byte[] serialize(data.media.MediaContent content) throws Exception
        {
            try
            {
                return JsonXIOUtil.toByteArray(content, schema, true, buffer);
            }
            finally
            {
                buffer.clear();
            }
        }
        
        public String getName()
        {
            return "json/protostuff-runtime+numeric";
        }
        
    };

    public static final Serializer<data.media.MediaContent> JsonManualMediaSerializer = 
        new Serializer<data.media.MediaContent>()
    {

        public data.media.MediaContent deserialize(byte[] array) throws Exception
        {
            data.media.MediaContent mc = new data.media.MediaContent();
            JsonIOUtil.mergeFrom(array, mc, MEDIA_CONTENT_SCHEMA, false);
            return mc;
        }

        public byte[] serialize(data.media.MediaContent content) throws Exception
        {
            return JsonIOUtil.toByteArray(content, MEDIA_CONTENT_SCHEMA, false);
        }
        
        public String getName()
        {
            return "json/protostuff-manual";
        }
        
    };

    public static final Serializer<data.media.MediaContent> JsonManualMediaSerializerNumeric = 
        new Serializer<data.media.MediaContent>()
    {

        final LinkedBuffer buffer = LinkedBuffer.allocate(512);

        public data.media.MediaContent deserialize(byte[] array) throws Exception
        {
            data.media.MediaContent mc = new data.media.MediaContent();
            JsonIOUtil.mergeFrom(array, mc, MEDIA_CONTENT_SCHEMA, true);
            return mc;
        }

        public byte[] serialize(data.media.MediaContent content) throws Exception
        {
            try
            {
                return JsonXIOUtil.toByteArray(content, MEDIA_CONTENT_SCHEMA, true, buffer);
            }
            finally
            {
                buffer.clear();
            }
        }
        
        public String getName()
        {
            return "json/protostuff-manual+numeric";
        }
        
    };
}