inet.ipaddr.format.validate.MACAddressProvider Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of ipaddress Show documentation
Library for handling IP addresses, both IPv4 and IPv6
There is a newer version: 5.5.1
/*
 * Copyright 2017 Sean C Foley
 *
 * 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
 *     or at
 *     https://github.com/seancfoley/IPAddress/blob/master/LICENSE
 *
 * 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 inet.ipaddr.format.validate;

import java.io.Serializable;
import java.util.Arrays;

import inet.ipaddr.MACAddressStringParameters;
import inet.ipaddr.MACAddressStringParameters.AddressSize;
import inet.ipaddr.mac.MACAddress;
import inet.ipaddr.mac.MACAddressNetwork;
import inet.ipaddr.mac.MACAddressNetwork.MACAddressCreator;
import inet.ipaddr.mac.MACAddressSection;
import inet.ipaddr.mac.MACAddressSegment;

public class MACAddressProvider implements Serializable {

	private static final long serialVersionUID = 4L;
	
	private ParsedMACAddress parsedAddress;
	private MACAddress address;
	
	@SuppressWarnings("serial")
	static final MACAddressProvider EMPTY_PROVIDER = new MACAddressProvider() {
		
		@Override
		public MACAddress getAddress() {
			return null;
		}
	};
	
	private MACAddressProvider() {}
	
	public MACAddressProvider(ParsedMACAddress parsedAddress) {
		this.parsedAddress = parsedAddress;
	}
	
	public MACAddressProvider(MACAddress address) {
		this.address = address;
	}

	public MACAddress getAddress() {
		if(parsedAddress != null) {
			synchronized(this) {
				if(parsedAddress != null) {
					address = parsedAddress.createAddress();
					parsedAddress = null;
				}
			}
		}
		return address;
	}
	
	public static MACAddressProvider getAllProvider(MACAddressStringParameters validationOptions) {
		MACAddressNetwork network = validationOptions.getNetwork();
		AddressSize allAddresses = validationOptions.addressSize;
		MACAddressCreator creator = network.getAddressCreator();
		MACAddressSegment allRangeSegment = creator.createRangeSegment(0, MACAddress.MAX_VALUE_PER_SEGMENT);
		MACAddressSegment segments[] = creator.createSegmentArray(allAddresses == AddressSize.EUI64 ? 
			MACAddress.EXTENDED_UNIQUE_IDENTIFIER_64_SEGMENT_COUNT :
			MACAddress.MEDIA_ACCESS_CONTROL_SEGMENT_COUNT);
		Arrays.fill(segments, allRangeSegment);
		return new MACAddressProvider() {

			private static final long serialVersionUID = 4L;

			@Override
			public MACAddress getAddress() {
				ParsedAddressCreator parsedCreator = creator;
				MACAddressSection section = parsedCreator.createSectionInternal(segments);
				return creator.createAddress(section);
			}
		};
	}
	
	
	@Override
	public String toString() {
		return String.valueOf(getAddress());
	}
}