inet.ipaddr.ipv4.IPv4JoinedSegments Maven / Gradle / Ivy

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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.ipv4;

import inet.ipaddr.format.IPAddressJoinedSegments;

/**
 * 
 * @author sfoley
 *
 */
public class IPv4JoinedSegments extends IPAddressJoinedSegments {
	
	private static final long serialVersionUID = 3L;
	private static int MAX_CHARS[] = new int[IPv4Address.SEGMENT_COUNT - 1];
	
	public IPv4JoinedSegments(int joinedCount, int value) {
		super(joinedCount, value);
		if(joinedCount >= IPv4Address.SEGMENT_COUNT) {
			throw new IllegalArgumentException();
		}
	}

	public IPv4JoinedSegments(int joinedCount, long value, Integer segmentPrefix) {
		super(joinedCount, value, segmentPrefix == null ? null : Math.min((joinedCount + 1) * IPv4Address.BITS_PER_SEGMENT, segmentPrefix));
		if(joinedCount >= IPv4Address.SEGMENT_COUNT) {
			throw new IllegalArgumentException();
		}
	}

	public IPv4JoinedSegments(int joinedCount, long lower, long upper, Integer segmentPrefix) {
		super(joinedCount, lower, upper, segmentPrefix == null ? null : Math.min((joinedCount + 1) * IPv4Address.BITS_PER_SEGMENT, segmentPrefix));
		if(joinedCount >= IPv4Address.SEGMENT_COUNT) {
			throw new IllegalArgumentException();
		}
	}
	
	@Override
	public int getMaxDigitCount() {
		int result = MAX_CHARS[joinedCount - 1];
		if(result == 0) {
			result = MAX_CHARS[joinedCount - 1] = super.getMaxDigitCount();
		}
		return result;
	}

	@Override
	protected long getDivisionNetworkMask(int bits) {
		return IPv4Address.network().getSegmentNetworkMask(bits, joinedCount);
	}

	@Override
	protected long getDivisionHostMask(int bits) {
		return IPv4Address.network().getSegmentHostMask(bits, joinedCount);
	}
	
	@Override
	protected int getBitsPerSegment() {
		return IPv4Address.BITS_PER_SEGMENT;
	}

	@Override
	public int getDefaultTextualRadix() {
		return IPv4Address.DEFAULT_TEXTUAL_RADIX;
	}
}