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/*
*
* 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.qpid.server.store.berkeleydb.tuple;
import java.io.IOException;
import java.io.StringWriter;
import java.util.Map;
import java.util.UUID;
import org.apache.qpid.server.model.ConfiguredObject;
import org.apache.qpid.server.store.ConfiguredObjectRecord;
import com.sleepycat.bind.tuple.TupleBinding;
import com.sleepycat.bind.tuple.TupleInput;
import com.sleepycat.bind.tuple.TupleOutput;
import org.apache.qpid.server.store.StoreException;
import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.JsonProcessingException;
import org.codehaus.jackson.Version;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.JsonSerializer;
import org.codehaus.jackson.map.Module;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializerProvider;
import org.codehaus.jackson.map.module.SimpleModule;
public class ConfiguredObjectBinding extends TupleBinding<ConfiguredObjectRecord>
{
private static final ConfiguredObjectBinding INSTANCE = new ConfiguredObjectBinding(null);
private final UUID _uuid;
private static final Module _module;
static
{
SimpleModule module= new SimpleModule("ConfiguredObjectSerializer", new Version(1,0,0,null));
final JsonSerializer<ConfiguredObject> serializer = new JsonSerializer<ConfiguredObject>()
{
@Override
public void serialize(final ConfiguredObject value,
final JsonGenerator jgen,
final SerializerProvider provider)
throws IOException, JsonProcessingException
{
jgen.writeString(value.getId().toString());
}
};
module.addSerializer(ConfiguredObject.class, serializer);
_module = module;
}
public static ConfiguredObjectBinding getInstance()
{
return INSTANCE;
}
public ConfiguredObjectBinding(UUID uuid)
{
_uuid = uuid;
}
public ConfiguredObjectRecord entryToObject(TupleInput tupleInput)
{
String type = tupleInput.readString();
String json = tupleInput.readString();
ObjectMapper mapper = new ObjectMapper();
try
{
Map<String,Object> value = mapper.readValue(json, Map.class);
ConfiguredObjectRecord configuredObject = new ConfiguredObjectRecord(_uuid, type, value);
return configuredObject;
}
catch (IOException e)
{
//should never happen
throw new StoreException(e);
}
}
public void objectToEntry(ConfiguredObjectRecord object, TupleOutput tupleOutput)
{
try
{
StringWriter writer = new StringWriter();
final ObjectMapper objectMapper = new ObjectMapper();
objectMapper.registerModule(_module);
objectMapper.writeValue(writer, object.getAttributes());
tupleOutput.writeString(object.getType());
tupleOutput.writeString(writer.toString());
}
catch (JsonMappingException e)
{
throw new StoreException(e);
}
catch (JsonGenerationException e)
{
throw new StoreException(e);
}
catch (IOException e)
{
throw new StoreException(e);
}
}
}
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