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[Emu] [ONOS-3109] Codec for port chain in SFC

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Change-Id: Ief55a9726426953877d786404d22abc934ec6f86
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SureshBR 2015-10-28 19:15:45 +05:30 committed by Gerrit Code Review
parent f27dba65f5
commit 163b5dbcd5
1 changed files with 105 additions and 0 deletions
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105
apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/PortChainCodec.java Normal file
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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.vtnweb.web;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.onlab.util.Tools.nullIsIllegal;
import java.util.List;
import java.util.UUID;
import org.onosproject.codec.CodecContext;
import org.onosproject.codec.JsonCodec;
import org.onosproject.vtnrsc.TenantId;
import org.onosproject.vtnrsc.DefaultPortChain;
import org.onosproject.vtnrsc.FlowClassifierId;
import org.onosproject.vtnrsc.PortChain;
import org.onosproject.vtnrsc.PortChainId;
import org.onosproject.vtnrsc.PortPairGroupId;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.collect.Lists;
/**
* Port chain JSON codec.
*/
public final class PortChainCodec extends JsonCodec<PortChain> {
private static final String ID = "id";
private static final String TENANT_ID = "tenant_id";
private static final String NAME = "name";
private static final String DESCRIPTION = "description";
private static final String PORT_PAIR_GROUPS = "port_pair_groups";
private static final String FLOW_CLASSIFIERS = "flow_classifiers";
private static final String MISSING_MEMBER_MESSAGE =
" member is required in PortChain";
@Override
public PortChain decode(ObjectNode json, CodecContext context) {
if (json == null || !json.isObject()) {
return null;
}
PortChain.Builder resultBuilder = new DefaultPortChain.Builder();
String id = nullIsIllegal(json.get(ID),
ID + MISSING_MEMBER_MESSAGE).asText();
resultBuilder.setId(PortChainId.portChainId(id));
String tenantId = nullIsIllegal(json.get(TENANT_ID),
TENANT_ID + MISSING_MEMBER_MESSAGE).asText();
resultBuilder.setTenantId(TenantId.tenantId(tenantId));
String name = nullIsIllegal(json.get(NAME),
NAME + MISSING_MEMBER_MESSAGE).asText();
resultBuilder.setName(name);
String description = nullIsIllegal(json.get(DESCRIPTION),
DESCRIPTION + MISSING_MEMBER_MESSAGE).asText();
resultBuilder.setDescription(description);
ArrayNode arrayNode = (ArrayNode) json.path(PORT_PAIR_GROUPS);
if (arrayNode != null) {
List<PortPairGroupId> list = Lists.newArrayList();
arrayNode.forEach(i -> list.add(PortPairGroupId.portPairGroupId(i.asText())));
resultBuilder.setPortPairGroups(list);
}
arrayNode = (ArrayNode) json.path(FLOW_CLASSIFIERS);
if (arrayNode != null) {
List<FlowClassifierId> list = Lists.newArrayList();
arrayNode.forEach(i -> list.add(FlowClassifierId.flowClassifierId(UUID.fromString(i.asText()))));
resultBuilder.setFlowClassifiers(list);
}
return resultBuilder.build();
}
@Override
public ObjectNode encode(PortChain portChain, CodecContext context) {
checkNotNull(portChain, "port pair cannot be null");
ObjectNode result = context.mapper().createObjectNode()
.put(ID, portChain.portChainId().toString())
.put(TENANT_ID, portChain.tenantId().toString())
.put(NAME, portChain.name())
.put(DESCRIPTION, portChain.description())
.put(PORT_PAIR_GROUPS, portChain.portPairGroups().toString())
.put(FLOW_CLASSIFIERS, portChain.flowClassifiers().toString());
return result;
}
}