/**
* 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.activemq.apollo.dto;
import org.codehaus.jackson.annotate.JsonIgnoreProperties;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig;
import org.codehaus.jackson.map.annotate.JsonSerialize;
import org.fusesource.hawtbuf.Buffer;
import org.fusesource.hawtbuf.ByteArrayOutputStream;
import java.io.IOException;
/**
*
*
* @author <a href="http://hiramchirino.com">Hiram Chirino</a>
*/
@JsonIgnoreProperties(ignoreUnknown = true)
public class JsonCodec {
final public static ObjectMapper mapper = new ObjectMapper();
static {
mapper.getSerializationConfig().setSerializationInclusion(JsonSerialize.Inclusion.NON_NULL);
}
static public <T> T decode(Buffer buffer, Class<T> type) throws IOException {
ClassLoader original = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(JsonCodec.class.getClassLoader());
try {
return mapper.readValue(buffer.in(), type);
} finally {
Thread.currentThread().setContextClassLoader(original);
}
}
static public Buffer encode(Object value) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
mapper.writeValue(baos, value);
return baos.toBuffer();
}
}