https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
public class org.apache.catalina.startup.CertificateCreateRule extends org.apache.tomcat.util.digester.Rule
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.catalina.startup.CertificateCreateRule
  super_class: org.apache.tomcat.util.digester.Rule
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.startup.CertificateCreateRule this
         0: .line 28
            aload 0 /* this */
            invokespecial org.apache.tomcat.util.digester.Rule.<init>:()V
            return
        end local 0 // org.apache.catalina.startup.CertificateCreateRule this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/startup/CertificateCreateRule;

  public void begin(java.lang.String, java.lang.String, org.xml.sax.Attributes);
    descriptor: (Ljava/lang/String;Ljava/lang/String;Lorg/xml/sax/Attributes;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=9, args_size=4
        start local 0 // org.apache.catalina.startup.CertificateCreateRule this
        start local 1 // java.lang.String namespace
        start local 2 // java.lang.String name
        start local 3 // org.xml.sax.Attributes attributes
         0: .line 32
            aload 0 /* this */
            getfield org.apache.catalina.startup.CertificateCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            invokevirtual org.apache.tomcat.util.digester.Digester.peek:()Ljava/lang/Object;
            checkcast org.apache.tomcat.util.net.SSLHostConfig
            astore 4 /* sslHostConfig */
        start local 4 // org.apache.tomcat.util.net.SSLHostConfig sslHostConfig
         1: .line 35
            aload 3 /* attributes */
            ldc "type"
            invokeinterface org.xml.sax.Attributes.getValue:(Ljava/lang/String;)Ljava/lang/String;
            astore 6 /* typeValue */
        start local 6 // java.lang.String typeValue
         2: .line 36
            aload 6 /* typeValue */
            ifnull 3
            aload 6 /* typeValue */
            invokevirtual java.lang.String.length:()I
            ifne 5
         3: .line 37
      StackMap locals: org.apache.catalina.startup.CertificateCreateRule java.lang.String java.lang.String org.xml.sax.Attributes org.apache.tomcat.util.net.SSLHostConfig top java.lang.String
      StackMap stack:
            getstatic org.apache.tomcat.util.net.SSLHostConfigCertificate$Type.UNDEFINED:Lorg/apache/tomcat/util/net/SSLHostConfigCertificate$Type;
            astore 5 /* type */
        start local 5 // org.apache.tomcat.util.net.SSLHostConfigCertificate$Type type
         4: .line 38
            goto 6
        end local 5 // org.apache.tomcat.util.net.SSLHostConfigCertificate$Type type
         5: .line 39
      StackMap locals:
      StackMap stack:
            aload 6 /* typeValue */
            invokestatic org.apache.tomcat.util.net.SSLHostConfigCertificate$Type.valueOf:(Ljava/lang/String;)Lorg/apache/tomcat/util/net/SSLHostConfigCertificate$Type;
            astore 5 /* type */
        start local 5 // org.apache.tomcat.util.net.SSLHostConfigCertificate$Type type
         6: .line 42
      StackMap locals: org.apache.catalina.startup.CertificateCreateRule java.lang.String java.lang.String org.xml.sax.Attributes org.apache.tomcat.util.net.SSLHostConfig org.apache.tomcat.util.net.SSLHostConfigCertificate$Type java.lang.String
      StackMap stack:
            new org.apache.tomcat.util.net.SSLHostConfigCertificate
            dup
            aload 4 /* sslHostConfig */
            aload 5 /* type */
            invokespecial org.apache.tomcat.util.net.SSLHostConfigCertificate.<init>:(Lorg/apache/tomcat/util/net/SSLHostConfig;Lorg/apache/tomcat/util/net/SSLHostConfigCertificate$Type;)V
            astore 7 /* certificate */
        start local 7 // org.apache.tomcat.util.net.SSLHostConfigCertificate certificate
         7: .line 44
            aload 0 /* this */
            getfield org.apache.catalina.startup.CertificateCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            aload 7 /* certificate */
            invokevirtual org.apache.tomcat.util.digester.Digester.push:(Ljava/lang/Object;)V
         8: .line 46
            aload 0 /* this */
            getfield org.apache.catalina.startup.CertificateCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            invokevirtual org.apache.tomcat.util.digester.Digester.getGeneratedCode:()Ljava/lang/StringBuilder;
            astore 8 /* code */
        start local 8 // java.lang.StringBuilder code
         9: .line 47
            aload 8 /* code */
            ifnull 15
        10: .line 48
            aload 8 /* code */
            ldc Lorg/apache/tomcat/util/net/SSLHostConfigCertificate;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            bipush 32
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.catalina.startup.CertificateCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            aload 7 /* certificate */
            invokevirtual org.apache.tomcat.util.digester.Digester.toVariableName:(Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        11: .line 49
            aload 8 /* code */
            ldc " = new "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc Lorg/apache/tomcat/util/net/SSLHostConfigCertificate;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        12: .line 50
            aload 8 /* code */
            bipush 40
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.catalina.startup.CertificateCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            aload 4 /* sslHostConfig */
            invokevirtual org.apache.tomcat.util.digester.Digester.toVariableName:(Ljava/lang/Object;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        13: .line 51
            aload 8 /* code */
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc Lorg/apache/tomcat/util/net/SSLHostConfigCertificate$Type;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            bipush 36
            bipush 46
            invokevirtual java.lang.String.replace:(CC)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            bipush 46
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            aload 5 /* type */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc ");"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        14: .line 52
            aload 8 /* code */
            invokestatic java.lang.System.lineSeparator:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        15: .line 54
      StackMap locals: org.apache.tomcat.util.net.SSLHostConfigCertificate java.lang.StringBuilder
      StackMap stack:
            return
        end local 8 // java.lang.StringBuilder code
        end local 7 // org.apache.tomcat.util.net.SSLHostConfigCertificate certificate
        end local 6 // java.lang.String typeValue
        end local 5 // org.apache.tomcat.util.net.SSLHostConfigCertificate$Type type
        end local 4 // org.apache.tomcat.util.net.SSLHostConfig sslHostConfig
        end local 3 // org.xml.sax.Attributes attributes
        end local 2 // java.lang.String name
        end local 1 // java.lang.String namespace
        end local 0 // org.apache.catalina.startup.CertificateCreateRule this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   16     0           this  Lorg/apache/catalina/startup/CertificateCreateRule;
            0   16     1      namespace  Ljava/lang/String;
            0   16     2           name  Ljava/lang/String;
            0   16     3     attributes  Lorg/xml/sax/Attributes;
            1   16     4  sslHostConfig  Lorg/apache/tomcat/util/net/SSLHostConfig;
            4    5     5           type  Lorg/apache/tomcat/util/net/SSLHostConfigCertificate$Type;
            6   16     5           type  Lorg/apache/tomcat/util/net/SSLHostConfigCertificate$Type;
            2   16     6      typeValue  Ljava/lang/String;
            7   16     7    certificate  Lorg/apache/tomcat/util/net/SSLHostConfigCertificate;
            9   16     8           code  Ljava/lang/StringBuilder;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
            Name  Flags
      namespace   
      name        
      attributes  

  public void end(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // org.apache.catalina.startup.CertificateCreateRule this
        start local 1 // java.lang.String namespace
        start local 2 // java.lang.String name
         0: .line 68
            aload 0 /* this */
            getfield org.apache.catalina.startup.CertificateCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            invokevirtual org.apache.tomcat.util.digester.Digester.pop:()Ljava/lang/Object;
            pop
         1: .line 69
            return
        end local 2 // java.lang.String name
        end local 1 // java.lang.String namespace
        end local 0 // org.apache.catalina.startup.CertificateCreateRule this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/apache/catalina/startup/CertificateCreateRule;
            0    2     1  namespace  Ljava/lang/String;
            0    2     2       name  Ljava/lang/String;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
           Name  Flags
      namespace  
      name       
}
SourceFile: "CertificateCreateRule.java"
InnerClasses:
  public final Type = org.apache.tomcat.util.net.SSLHostConfigCertificate$Type of org.apache.tomcat.util.net.SSLHostConfigCertificate