/*
* 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.nifi.cluster;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Set;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
import org.apache.nifi.cluster.protocol.ProtocolException;
import org.apache.nifi.jaxb.BulletinAdapter;
import org.apache.nifi.reporting.Bulletin;
/**
* The payload of the bulletins.
*
*/
@XmlRootElement
public class BulletinsPayload {
private static final JAXBContext JAXB_CONTEXT;
static {
try {
JAXB_CONTEXT = JAXBContext.newInstance(BulletinsPayload.class);
} catch (JAXBException e) {
throw new RuntimeException("Unable to create JAXBContext.");
}
}
private Set<Bulletin> bulletins;
@XmlJavaTypeAdapter(BulletinAdapter.class)
public Set<Bulletin> getBulletins() {
return bulletins;
}
public void setBulletins(final Set<Bulletin> bulletins) {
this.bulletins = bulletins;
}
public byte[] marshal() throws ProtocolException {
final ByteArrayOutputStream payloadBytes = new ByteArrayOutputStream();
marshal(this, payloadBytes);
return payloadBytes.toByteArray();
}
public static void marshal(final BulletinsPayload payload, final OutputStream os) throws ProtocolException {
try {
final Marshaller marshaller = JAXB_CONTEXT.createMarshaller();
marshaller.marshal(payload, os);
} catch (final JAXBException je) {
throw new ProtocolException(je);
}
}
public static BulletinsPayload unmarshal(final InputStream is) throws ProtocolException {
try {
final Unmarshaller unmarshaller = JAXB_CONTEXT.createUnmarshaller();
return (BulletinsPayload) unmarshaller.unmarshal(is);
} catch (final JAXBException je) {
throw new ProtocolException(je);
}
}
public static BulletinsPayload unmarshal(final byte[] bytes) throws ProtocolException {
try {
final Unmarshaller unmarshaller = JAXB_CONTEXT.createUnmarshaller();
return (BulletinsPayload) unmarshaller.unmarshal(new ByteArrayInputStream(bytes));
} catch (final JAXBException je) {
throw new ProtocolException(je);
}
}
}