ResourcesCommand.java
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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.net;
import static org.onosproject.net.DeviceId.deviceId;
import java.util.Collection;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.net.DeviceId;
import org.onosproject.net.PortNumber;
import org.onosproject.net.newresource.ResourcePath;
import org.onosproject.net.newresource.ResourceService;
import com.google.common.base.Strings;
/**
* Lists available resources.
*/
@Command(scope = "onos", name = "resources",
description = "Lists available resources")
public class ResourcesCommand extends AbstractShellCommand {
@Argument(index = 0, name = "deviceIdString", description = "Device ID",
required = false, multiValued = false)
String deviceIdStr = null;
@Argument(index = 1, name = "portNumberString", description = "PortNumber",
required = false, multiValued = false)
String portNumberStr = null;
private ResourceService resourceService;
@Override
protected void execute() {
resourceService = get(ResourceService.class);
if (deviceIdStr != null && portNumberStr != null) {
DeviceId deviceId = deviceId(deviceIdStr);
PortNumber portNumber = PortNumber.fromString(portNumberStr);
printResource(ResourcePath.discrete(deviceId, portNumber), 0);
} else if (deviceIdStr != null) {
DeviceId deviceId = deviceId(deviceIdStr);
printResource(ResourcePath.discrete(deviceId), 0);
} else {
printResource(ResourcePath.ROOT, 0);
}
}
private void printResource(ResourcePath resource, int level) {
if (resource.equals(ResourcePath.ROOT)) {
print("ROOT");
} else {
String name = resource.last().getClass().getSimpleName();
String toString = String.valueOf(resource.last());
if (toString.startsWith(name)) {
print("%s%s", Strings.repeat(" ", level),
toString);
} else {
print("%s%s:%s", Strings.repeat(" ", level),
name,
toString);
}
}
Collection<ResourcePath> resources = resourceService.getAvailableResources(resource);
// TODO: Should consider better output for leaf nodes
resources.forEach(r -> printResource(r, level + 1));
}
}