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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed 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.onosproject.codec.impl;
import org.onosproject.codec.CodecContext;
import org.onosproject.codec.JsonCodec;
import org.onosproject.net.group.Group;
import org.onosproject.net.group.GroupBucket;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Group JSON codec.
*/
public final class GroupCodec extends JsonCodec<Group> {
// JSON field names
private static final String ID = "id";
private static final String STATE = "state";
private static final String LIFE = "life";
private static final String PACKETS = "packets";
private static final String BYTES = "bytes";
private static final String REFERENCE_COUNT = "referenceCount";
private static final String TYPE = "type";
private static final String DEVICE_ID = "deviceId";
private static final String APP_ID = "appId";
private static final String APP_COOKIE = "appCookie";
private static final String GIVEN_GROUP_ID = "givenGroupId";
private static final String BUCKETS = "buckets";
@Override
public ObjectNode encode(Group group, CodecContext context) {
checkNotNull(group, "Group cannot be null");
ObjectNode result = context.mapper().createObjectNode()
.put(ID, group.id().toString())
.put(STATE, group.state().toString())
.put(LIFE, group.life())
.put(PACKETS, group.packets())
.put(BYTES, group.bytes())
.put(REFERENCE_COUNT, group.referenceCount())
.put(TYPE, group.type().toString())
.put(DEVICE_ID, group.deviceId().toString());
if (group.appId() != null) {
result.put(APP_ID, group.appId().toString());
}
if (group.appCookie() != null) {
result.put(APP_COOKIE, group.appCookie().toString());
}
if (group.givenGroupId() != null) {
result.put(GIVEN_GROUP_ID, group.givenGroupId());
}
ArrayNode buckets = context.mapper().createArrayNode();
group.buckets().buckets().forEach(bucket -> {
ObjectNode bucketJson = context.codec(GroupBucket.class).encode(bucket, context);
buckets.add(bucketJson);
});
result.set(BUCKETS, buckets);
return result;
}
}
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