inet.ipaddr.format.util.IPAddressPartStringParams Maven / Gradle / Ivy

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Library for handling IP addresses, both IPv4 and IPv6

There is a newer version: 5.5.1

package inet.ipaddr.format.util;

import inet.ipaddr.IPAddress;
import inet.ipaddr.format.IPAddressPart;

/**
 * Each AddressPartStringParams has settings to write exactly one IP address part string.
 * 
 * @author sfoley
 */
public abstract class IPAddressPartStringParams implements Cloneable {
	
	protected IPAddressPartStringParams() {}
	
	protected abstract StringBuilder append(StringBuilder builder, T addr);
	
	protected abstract int getStringLength(T addr);
	
	/**
	 * 
	 * @param addr
	 * @return the string produced by these params
	 */
	public abstract String toString(T addr);
	
	/**
	 * 
	 * @param addr
	 * @return the number of segment separators in the string produced by these params
	 */
	public abstract int getTrailingSeparatorCount(T addr);
	
	public abstract char getTrailingSegmentSeparator();

	@SuppressWarnings("unchecked")
	@Override
	public IPAddressPartStringParams clone() {
		try {
			return (IPAddressPartStringParams) super.clone();
		} catch(CloneNotSupportedException e) {}
		return null;
	}
	
	protected void appendPrefixIndicator(StringBuilder builder, T addr) {
		Integer networkPrefixLength = addr.getNetworkPrefixLength();
		if(networkPrefixLength != null ) {
			builder.append(IPAddress.PREFIX_LEN_SEPARATOR).append(networkPrefixLength);
		}
	}
	
	//TODO disable eventually
	public void checkLengths(int length, StringBuilder builder) {
		boolean calcMatch = length == builder.length();
		boolean capMatch = length == builder.capacity();
		totalCount++;
		if(calcMatch) {
			calcMatchCount++;
		}
		if(capMatch) {
			capMatchCount++;
		}
		if(!calcMatch) {
			System.out.println(builder);
		}
		if(!capMatch) {
			System.out.println(builder);
		}
		if(!calcMatch || !capMatch) {
			System.out.println(" calculated length misses: " + (totalCount - calcMatchCount) + " capacity misses: " +  (totalCount - capMatchCount) + " total: " + totalCount);
		}
	}
	
	static int calcMatchCount;
	static int capMatchCount;
	static int totalCount;
}