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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.cli.cfg;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.net.config.Config;
import org.onosproject.net.config.NetworkConfigService;
import org.onosproject.net.config.SubjectFactory;
import static com.google.common.base.Strings.isNullOrEmpty;
/**
* Manages network configuration.
*/
@Command(scope = "onos", name = "netcfg",
description = "Manages network configuration")
public class NetworkConfigCommand extends AbstractShellCommand {
@Argument(index = 0, name = "subjectClassKey", description = "Subject class key",
required = false, multiValued = false)
String subjectClassKey = null;
@Argument(index = 1, name = "subjectKey", description = "Subject key",
required = false, multiValued = false)
String subjectKey = null;
@Argument(index = 2, name = "configKey", description = "Config key",
required = false, multiValued = false)
String configKey = null;
private final ObjectMapper mapper = new ObjectMapper();
private NetworkConfigService service;
@Override
protected void execute() {
service = get(NetworkConfigService.class);
JsonNode root = mapper.createObjectNode();
if (isNullOrEmpty(subjectClassKey)) {
addAll((ObjectNode) root);
} else {
SubjectFactory subjectFactory = service.getSubjectFactory(subjectClassKey);
if (isNullOrEmpty(subjectKey)) {
addSubjectClass((ObjectNode) root, subjectFactory);
} else {
Object s = subjectFactory.createSubject(subjectKey);
if (isNullOrEmpty(configKey)) {
addSubject((ObjectNode) root, s);
} else {
root = getSubjectConfig(getConfig(s, subjectClassKey, configKey));
}
}
}
try {
print("%s", mapper.writerWithDefaultPrettyPrinter().writeValueAsString(root));
} catch (JsonProcessingException e) {
throw new RuntimeException("Error writing JSON to string", e);
}
}
@SuppressWarnings("unchecked")
private void addAll(ObjectNode root) {
service.getSubjectClasses()
.forEach(sc -> {
SubjectFactory sf = service.getSubjectFactory(sc);
addSubjectClass(newObject(root, sf.subjectClassKey()), sf);
});
}
@SuppressWarnings("unchecked")
private void addSubjectClass(ObjectNode root, SubjectFactory sf) {
service.getSubjects(sf.subjectClass())
.forEach(s -> addSubject(newObject(root, sf.subjectKey(s)), s));
}
private void addSubject(ObjectNode root, Object s) {
service.getConfigs(s).forEach(c -> root.set(c.key(), c.node()));
}
private JsonNode getSubjectConfig(Config config) {
return config != null ? config.node() : null;
}
private Config getConfig(Object s, String subjectKey, String ck) {
Class<? extends Config> configClass = service.getConfigClass(subjectKey, ck);
return configClass != null ? service.getConfig(s, configClass) : null;
}
private ObjectNode newObject(ObjectNode parent, String key) {
ObjectNode node = mapper.createObjectNode();
parent.set(key, node);
return node;
}
}
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