/*******************************************************************************
* Copyright (c) 2015 Sierra Wireless and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.html.
*
* Contributors:
* Sierra Wireless - initial API and implementation
*******************************************************************************/
package org.eclipse.leshan.client.californium;
import java.net.InetSocketAddress;
import java.util.List;
import org.eclipse.californium.core.network.config.NetworkConfig;
import org.eclipse.leshan.LwM2mId;
import org.eclipse.leshan.client.object.Device;
import org.eclipse.leshan.client.object.Security;
import org.eclipse.leshan.client.object.Server;
import org.eclipse.leshan.client.resource.LwM2mObjectEnabler;
import org.eclipse.leshan.client.resource.ObjectsInitializer;
import org.eclipse.leshan.core.request.BindingMode;
import org.eclipse.leshan.util.Validate;
/**
* Helper class to build and configure a Californium based Leshan Lightweight M2M client.
*/
public class LeshanClientBuilder {
private final String endpoint;
private InetSocketAddress localAddress;
private InetSocketAddress localSecureAddress;
private List<? extends LwM2mObjectEnabler> objectEnablers;
private NetworkConfig networkConfig;
/**
* Creates a new instance for setting the configuration options for a {@link LeshanClient} instance.
*
* The builder is initialized with the following default values:
* <ul>
* <li><em>local address</em>: a local address and an ephemeral port (picked up during binding)</li>
* <li><em>local secure address</em>: a local address and an ephemeral port (picked up during binding)</li>
* <li><em>object enablers</em>:
* <ul>
* <li>Security(0) with one instance (DM server security): uri=<em>coap://leshan.eclipse.org:5683</em>, mode=NoSec
* </li>
* <li>Server(1) with one instance (DM server): id=12345, lifetime=5minutes</li>
* <li>Device(3): manufacturer=Eclipse Leshan, modelNumber=model12345, serialNumber=12345</li>
* </ul>
* </li>
* </ul>
*
* @param endpoint the end-point to identify the client on the server
*/
public LeshanClientBuilder(String endpoint) {
Validate.notEmpty(endpoint);
this.endpoint = endpoint;
}
/**
* Sets the local non-secure end-point address
*/
public LeshanClientBuilder setLocalAddress(String hostname, int port) {
if (hostname == null) {
this.localAddress = new InetSocketAddress(port);
} else {
this.localAddress = new InetSocketAddress(hostname, port);
}
return this;
}
/**
* Sets the local secure end-point address
*/
public LeshanClientBuilder setLocalSecureAddress(String hostname, int port) {
if (hostname == null) {
this.localSecureAddress = new InetSocketAddress(port);
} else {
this.localSecureAddress = new InetSocketAddress(hostname, port);
}
return this;
}
/**
* Sets the list of objects enablers
*/
public LeshanClientBuilder setObjects(List<? extends LwM2mObjectEnabler> objectEnablers) {
this.objectEnablers = objectEnablers;
return this;
}
public LeshanClientBuilder setNetworkConfig(NetworkConfig config) {
this.networkConfig = config;
return this;
}
/**
* Creates an instance of {@link LeshanClient} based on the properties set on this builder.
*/
public LeshanClient build() {
if (localAddress == null) {
localAddress = new InetSocketAddress(0);
}
if (localSecureAddress == null) {
localSecureAddress = new InetSocketAddress(0);
}
if (objectEnablers == null) {
ObjectsInitializer initializer = new ObjectsInitializer();
initializer.setInstancesForObject(LwM2mId.SECURITY,
Security.noSec("coap://leshan.eclipse.org:5683", 12345));
initializer.setInstancesForObject(LwM2mId.SERVER, new Server(12345, 5 * 60, BindingMode.U, false));
initializer.setInstancesForObject(LwM2mId.DEVICE, new Device("Eclipse Leshan", "model12345", "12345", "U"));
objectEnablers = initializer.createMandatory();
}
if (networkConfig == null) {
networkConfig = new NetworkConfig();
}
return new LeshanClient(endpoint, localAddress, localSecureAddress, objectEnablers, networkConfig);
}
}