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A Java library to interface to Genesys Workspace public API

There is a newer version: 9.0.73

package com.genesys.workspace;

import com.squareup.okhttp.Interceptor;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;
import java.io.IOException;
import java.security.SecureRandom;
import java.util.Random;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class TraceInterceptor implements Interceptor {
    private static final Logger logger = LoggerFactory.getLogger(TraceInterceptor.class);
    
    public static final String TRACEID_HEADER = "X-B3-TraceId";
    public static final String SPANID_HEADER = "X-B3-SnapId";
    
    final Random random = new SecureRandom();
    final int traceIdLength = 8 * 2;   //64-bit ids

    @Override
    public Response intercept(Chain chain) throws IOException {
        Request request = chain.request();
        request = request.newBuilder()
                .addHeader(TRACEID_HEADER, makeUniqueId())
                .addHeader(SPANID_HEADER, makeUniqueId()).build();
        
        return chain.proceed(request);
    }
    
    public final String makeUniqueId() {
        return makeUniqueId(traceIdLength);
    }

    private String makeUniqueId(int len) {
        final StringBuilder builder = new StringBuilder();
        while(builder.length() < len) {
            builder.append(Integer.toHexString(random.nextInt()));
        }
        
        return builder.substring(0, len);
    }
}