// 
// Decompiled by Procyon v0.6.0
// 

package io.netty.handler.ssl;

import java.util.regex.Matcher;
import java.util.Locale;
import java.util.regex.Pattern;

final class SignatureAlgorithmConverter
{
    private static final Pattern PATTERN;
    
    private SignatureAlgorithmConverter() {
    }
    
    static String toJavaName(final String opensslName) {
        if (opensslName == null) {
            return null;
        }
        final Matcher matcher = SignatureAlgorithmConverter.PATTERN.matcher(opensslName);
        if (matcher.matches()) {
            final String group1 = matcher.group(1);
            if (group1 != null) {
                return group1.toUpperCase(Locale.ROOT) + "with" + matcher.group(2).toUpperCase(Locale.ROOT);
            }
            if (matcher.group(3) != null) {
                return matcher.group(4).toUpperCase(Locale.ROOT) + "with" + matcher.group(3).toUpperCase(Locale.ROOT);
            }
            if (matcher.group(5) != null) {
                return matcher.group(6).toUpperCase(Locale.ROOT) + "with" + matcher.group(5).toUpperCase(Locale.ROOT);
            }
        }
        return null;
    }
    
    static {
        PATTERN = Pattern.compile("(?:(^[a-zA-Z].+)With(.+)Encryption$)|(?:(^[a-zA-Z].+)(?:_with_|-with-|_pkcs1_|_pss_rsae_)(.+$))|(?:(^[a-zA-Z].+)_(.+$))");
    }
}