/**
* 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.falcon.resource.provider;
import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.api.json.JSONJAXBContext;
import org.apache.falcon.resource.APIResult;
import org.apache.falcon.resource.InstanceDependencyResult;
import org.apache.falcon.resource.InstancesResult;
import org.apache.falcon.resource.InstancesSummaryResult;
import org.apache.falcon.resource.InstancesSummaryResult.InstanceSummary;
import org.apache.falcon.resource.TriageResult;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
/**
* An implementation of Context Resolver for JAXB.
*/
@Provider
@Produces(MediaType.APPLICATION_JSON)
public class JAXBContextResolver implements ContextResolver<JAXBContext> {
private static JAXBContext context;
private static Class<?>[] types = {
InstancesResult.class,
APIResult.class,
InstancesResult.Instance.class,
InstancesResult.WorkflowStatus.class,
InstancesSummaryResult.class,
InstanceSummary.class,
InstanceDependencyResult.class,
TriageResult.class,
};
static {
try {
context = new JSONJAXBContext(JSONConfiguration.natural().build(), types);
} catch (JAXBException e) {
throw new RuntimeException(e);
}
}
public JAXBContextResolver() {
}
public JAXBContext getContext(Class<?> objectType) {
for (Class<?> type : types) {
if (type == objectType) {
return context;
}
}
return null;
}
}