https://tomcat.apache.org/: Common code shared by Catalina and Jasper for scanning JARS and processing XML descriptors 
public class org.apache.tomcat.util.digester.ObjectCreateRule extends org.apache.tomcat.util.digester.Rule
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.tomcat.util.digester.ObjectCreateRule
  super_class: org.apache.tomcat.util.digester.Rule
{
  protected java.lang.String attributeName;
    descriptor: Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED

  protected java.lang.String className;
    descriptor: Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
        start local 1 // java.lang.String className
         0: .line 44
            aload 0 /* this */
            aload 1 /* className */
            aconst_null
            invokespecial org.apache.tomcat.util.digester.ObjectCreateRule.<init>:(Ljava/lang/String;Ljava/lang/String;)V
         1: .line 46
            return
        end local 1 // java.lang.String className
        end local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/apache/tomcat/util/digester/ObjectCreateRule;
            0    2     1  className  Ljava/lang/String;
    MethodParameters:
           Name  Flags
      className  

  public void <init>(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
        start local 1 // java.lang.String className
        start local 2 // java.lang.String attributeName
         0: .line 57
            aload 0 /* this */
            invokespecial org.apache.tomcat.util.digester.Rule.<init>:()V
         1: .line 71
            aload 0 /* this */
            aconst_null
            putfield org.apache.tomcat.util.digester.ObjectCreateRule.attributeName:Ljava/lang/String;
         2: .line 77
            aload 0 /* this */
            aconst_null
            putfield org.apache.tomcat.util.digester.ObjectCreateRule.className:Ljava/lang/String;
         3: .line 60
            aload 0 /* this */
            aload 1 /* className */
            putfield org.apache.tomcat.util.digester.ObjectCreateRule.className:Ljava/lang/String;
         4: .line 61
            aload 0 /* this */
            aload 2 /* attributeName */
            putfield org.apache.tomcat.util.digester.ObjectCreateRule.attributeName:Ljava/lang/String;
         5: .line 63
            return
        end local 2 // java.lang.String attributeName
        end local 1 // java.lang.String className
        end local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    6     0           this  Lorg/apache/tomcat/util/digester/ObjectCreateRule;
            0    6     1      className  Ljava/lang/String;
            0    6     2  attributeName  Ljava/lang/String;
    MethodParameters:
               Name  Flags
      className      
      attributeName  

  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=8, locals=8, args_size=4
        start local 0 // org.apache.tomcat.util.digester.ObjectCreateRule 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 97
            aload 0 /* this */
            aload 3 /* attributes */
            invokevirtual org.apache.tomcat.util.digester.ObjectCreateRule.getRealClassName:(Lorg/xml/sax/Attributes;)Ljava/lang/String;
            astore 4 /* realClassName */
        start local 4 // java.lang.String realClassName
         1: .line 99
            aload 4 /* realClassName */
            ifnonnull 3
         2: .line 100
            new java.lang.NullPointerException
            dup
            getstatic org.apache.tomcat.util.digester.ObjectCreateRule.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "rule.noClassName"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 1 /* namespace */
            aastore
            dup
            iconst_1
            aload 2 /* name */
            aastore
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 104
      StackMap locals: java.lang.String
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            invokevirtual org.apache.tomcat.util.digester.Digester.getClassLoader:()Ljava/lang/ClassLoader;
            aload 4 /* realClassName */
            invokevirtual java.lang.ClassLoader.loadClass:(Ljava/lang/String;)Ljava/lang/Class;
            astore 5 /* clazz */
        start local 5 // java.lang.Class clazz
         4: .line 105
            aload 5 /* clazz */
            iconst_0
            anewarray java.lang.Class
            invokevirtual java.lang.Class.getConstructor:([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;
            iconst_0
            anewarray java.lang.Object
            invokevirtual java.lang.reflect.Constructor.newInstance:([Ljava/lang/Object;)Ljava/lang/Object;
            astore 6 /* instance */
        start local 6 // java.lang.Object instance
         5: .line 106
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            aload 6 /* instance */
            invokevirtual org.apache.tomcat.util.digester.Digester.push:(Ljava/lang/Object;)V
         6: .line 108
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            invokevirtual org.apache.tomcat.util.digester.Digester.getGeneratedCode:()Ljava/lang/StringBuilder;
            astore 7 /* code */
        start local 7 // java.lang.StringBuilder code
         7: .line 109
            aload 7 /* code */
            ifnull 12
         8: .line 110
            aload 7 /* code */
            invokestatic java.lang.System.lineSeparator:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         9: .line 111
            aload 7 /* code */
            invokestatic java.lang.System.lineSeparator:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        10: .line 112
            aload 7 /* code */
            aload 4 /* realClassName */
            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.tomcat.util.digester.ObjectCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            aload 6 /* instance */
            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;
            ldc " = new "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        11: .line 113
            aload 7 /* code */
            aload 4 /* realClassName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "();"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokestatic java.lang.System.lineSeparator:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        12: .line 115
      StackMap locals: java.lang.Class java.lang.Object java.lang.StringBuilder
      StackMap stack:
            return
        end local 7 // java.lang.StringBuilder code
        end local 6 // java.lang.Object instance
        end local 5 // java.lang.Class clazz
        end local 4 // java.lang.String realClassName
        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.tomcat.util.digester.ObjectCreateRule this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   13     0           this  Lorg/apache/tomcat/util/digester/ObjectCreateRule;
            0   13     1      namespace  Ljava/lang/String;
            0   13     2           name  Ljava/lang/String;
            0   13     3     attributes  Lorg/xml/sax/Attributes;
            1   13     4  realClassName  Ljava/lang/String;
            4   13     5          clazz  Ljava/lang/Class<*>;
            5   13     6       instance  Ljava/lang/Object;
            7   13     7           code  Ljava/lang/StringBuilder;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
            Name  Flags
      namespace   
      name        
      attributes  

  protected java.lang.String getRealClassName(org.xml.sax.Attributes);
    descriptor: (Lorg/xml/sax/Attributes;)Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
        start local 1 // org.xml.sax.Attributes attributes
         0: .line 125
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.className:Ljava/lang/String;
            astore 2 /* realClassName */
        start local 2 // java.lang.String realClassName
         1: .line 126
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.attributeName:Ljava/lang/String;
            ifnull 5
         2: .line 127
            aload 1 /* attributes */
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.attributeName:Ljava/lang/String;
            invokeinterface org.xml.sax.Attributes.getValue:(Ljava/lang/String;)Ljava/lang/String;
            astore 3 /* value */
        start local 3 // java.lang.String value
         3: .line 128
            aload 3 /* value */
            ifnull 5
         4: .line 129
            aload 3 /* value */
            astore 2 /* realClassName */
        end local 3 // java.lang.String value
         5: .line 132
      StackMap locals: java.lang.String
      StackMap stack:
            aload 2 /* realClassName */
            areturn
        end local 2 // java.lang.String realClassName
        end local 1 // org.xml.sax.Attributes attributes
        end local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    6     0           this  Lorg/apache/tomcat/util/digester/ObjectCreateRule;
            0    6     1     attributes  Lorg/xml/sax/Attributes;
            1    6     2  realClassName  Ljava/lang/String;
            3    5     3          value  Ljava/lang/String;
    MethodParameters:
            Name  Flags
      attributes  

  public void end(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
        start local 1 // java.lang.String namespace
        start local 2 // java.lang.String name
         0: .line 148
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            invokevirtual org.apache.tomcat.util.digester.Digester.pop:()Ljava/lang/Object;
            astore 3 /* top */
        start local 3 // java.lang.Object top
         1: .line 149
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            getfield org.apache.tomcat.util.digester.Digester.log:Lorg/apache/juli/logging/Log;
            invokeinterface org.apache.juli.logging.Log.isDebugEnabled:()Z
            ifeq 5
         2: .line 150
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            getfield org.apache.tomcat.util.digester.Digester.log:Lorg/apache/juli/logging/Log;
            new java.lang.StringBuilder
            dup
            ldc "[ObjectCreateRule]{"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.digester:Lorg/apache/tomcat/util/digester/Digester;
            getfield org.apache.tomcat.util.digester.Digester.match:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         3: .line 151
            ldc "} Pop "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 3 /* top */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         4: .line 150
            invokeinterface org.apache.juli.logging.Log.debug:(Ljava/lang/Object;)V
         5: .line 154
      StackMap locals: java.lang.Object
      StackMap stack:
            return
        end local 3 // java.lang.Object top
        end local 2 // java.lang.String name
        end local 1 // java.lang.String namespace
        end local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    6     0       this  Lorg/apache/tomcat/util/digester/ObjectCreateRule;
            0    6     1  namespace  Ljava/lang/String;
            0    6     2       name  Ljava/lang/String;
            1    6     3        top  Ljava/lang/Object;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
           Name  Flags
      namespace  
      name       

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
         0: .line 162
            new java.lang.StringBuilder
            dup
            ldc "ObjectCreateRule["
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            astore 1 /* sb */
        start local 1 // java.lang.StringBuilder sb
         1: .line 163
            aload 1 /* sb */
            ldc "className="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         2: .line 164
            aload 1 /* sb */
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.className:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         3: .line 165
            aload 1 /* sb */
            ldc ", attributeName="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         4: .line 166
            aload 1 /* sb */
            aload 0 /* this */
            getfield org.apache.tomcat.util.digester.ObjectCreateRule.attributeName:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         5: .line 167
            aload 1 /* sb */
            bipush 93
            invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
            pop
         6: .line 168
            aload 1 /* sb */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder sb
        end local 0 // org.apache.tomcat.util.digester.ObjectCreateRule this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/tomcat/util/digester/ObjectCreateRule;
            1    7     1    sb  Ljava/lang/StringBuilder;
}
SourceFile: "ObjectCreateRule.java"