https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
class org.apache.catalina.core.ApplicationRequest extends jakarta.servlet.ServletRequestWrapper
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.catalina.core.ApplicationRequest
  super_class: jakarta.servlet.ServletRequestWrapper
{
  protected static final java.lang.String[] specials;
    descriptor: [Ljava/lang/String;
    flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL

  protected final java.util.HashMap<java.lang.String, java.lang.Object> attributes;
    descriptor: Ljava/util/HashMap;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Signature: Ljava/util/HashMap<Ljava/lang/String;Ljava/lang/Object;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 55
            bipush 12
            anewarray java.lang.String
            dup
            iconst_0
            ldc "jakarta.servlet.include.request_uri"
            aastore
            dup
            iconst_1
         1: .line 56
            ldc "jakarta.servlet.include.context_path"
            aastore
            dup
            iconst_2
         2: .line 57
            ldc "jakarta.servlet.include.servlet_path"
            aastore
            dup
            iconst_3
         3: .line 58
            ldc "jakarta.servlet.include.path_info"
            aastore
            dup
            iconst_4
         4: .line 59
            ldc "jakarta.servlet.include.query_string"
            aastore
            dup
            iconst_5
         5: .line 60
            ldc "jakarta.servlet.include.mapping"
            aastore
            dup
            bipush 6
         6: .line 61
            ldc "jakarta.servlet.forward.request_uri"
            aastore
            dup
            bipush 7
         7: .line 62
            ldc "jakarta.servlet.forward.context_path"
            aastore
            dup
            bipush 8
         8: .line 63
            ldc "jakarta.servlet.forward.servlet_path"
            aastore
            dup
            bipush 9
         9: .line 64
            ldc "jakarta.servlet.forward.path_info"
            aastore
            dup
            bipush 10
        10: .line 65
            ldc "jakarta.servlet.forward.query_string"
            aastore
            dup
            bipush 11
        11: .line 66
            ldc "jakarta.servlet.forward.mapping"
            aastore
        12: .line 54
            putstatic org.apache.catalina.core.ApplicationRequest.specials:[Ljava/lang/String;
        13: .line 66
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(jakarta.servlet.ServletRequest);
    descriptor: (Ljakarta/servlet/ServletRequest;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.catalina.core.ApplicationRequest this
        start local 1 // jakarta.servlet.ServletRequest request
         0: .line 79
            aload 0 /* this */
            aload 1 /* request */
            invokespecial jakarta.servlet.ServletRequestWrapper.<init>:(Ljakarta/servlet/ServletRequest;)V
         1: .line 92
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
         2: .line 80
            aload 0 /* this */
            aload 1 /* request */
            invokevirtual org.apache.catalina.core.ApplicationRequest.setRequest:(Ljakarta/servlet/ServletRequest;)V
         3: .line 82
            return
        end local 1 // jakarta.servlet.ServletRequest request
        end local 0 // org.apache.catalina.core.ApplicationRequest this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lorg/apache/catalina/core/ApplicationRequest;
            0    4     1  request  Ljakarta/servlet/ServletRequest;
    MethodParameters:
         Name  Flags
      request  

  public java.lang.Object getAttribute(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.catalina.core.ApplicationRequest this
        start local 1 // java.lang.String name
         0: .line 106
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            dup
            astore 2
            monitorenter
         1: .line 107
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            aload 1 /* name */
            invokevirtual java.util.HashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            aload 2
            monitorexit
         2: areturn
         3: .line 106
      StackMap locals: org.apache.catalina.core.ApplicationRequest java.lang.String java.util.HashMap
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
         4: athrow
        end local 1 // java.lang.String name
        end local 0 // org.apache.catalina.core.ApplicationRequest this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/catalina/core/ApplicationRequest;
            0    5     1  name  Ljava/lang/String;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    MethodParameters:
      Name  Flags
      name  

  public java.util.Enumeration<java.lang.String> getAttributeNames();
    descriptor: ()Ljava/util/Enumeration;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.catalina.core.ApplicationRequest this
         0: .line 120
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            dup
            astore 1
            monitorenter
         1: .line 121
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.keySet:()Ljava/util/Set;
            invokestatic java.util.Collections.enumeration:(Ljava/util/Collection;)Ljava/util/Enumeration;
            aload 1
            monitorexit
         2: areturn
         3: .line 120
      StackMap locals: org.apache.catalina.core.ApplicationRequest java.util.HashMap
      StackMap stack: java.lang.Throwable
            aload 1
            monitorexit
         4: athrow
        end local 0 // org.apache.catalina.core.ApplicationRequest this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/catalina/core/ApplicationRequest;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: ()Ljava/util/Enumeration<Ljava/lang/String;>;

  public void removeAttribute(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.catalina.core.ApplicationRequest this
        start local 1 // java.lang.String name
         0: .line 136
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            dup
            astore 2
            monitorenter
         1: .line 137
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            aload 1 /* name */
            invokevirtual java.util.HashMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 138
            aload 0 /* this */
            aload 1 /* name */
            invokevirtual org.apache.catalina.core.ApplicationRequest.isSpecial:(Ljava/lang/String;)Z
            ifne 4
         3: .line 139
            aload 0 /* this */
            invokevirtual org.apache.catalina.core.ApplicationRequest.getRequest:()Ljakarta/servlet/ServletRequest;
            aload 1 /* name */
            invokeinterface jakarta.servlet.ServletRequest.removeAttribute:(Ljava/lang/String;)V
         4: .line 136
      StackMap locals: java.util.HashMap
      StackMap stack:
            aload 2
            monitorexit
         5: goto 8
      StackMap locals:
      StackMap stack: java.lang.Throwable
         6: aload 2
            monitorexit
         7: athrow
         8: .line 142
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.lang.String name
        end local 0 // org.apache.catalina.core.ApplicationRequest this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/apache/catalina/core/ApplicationRequest;
            0    9     1  name  Ljava/lang/String;
      Exception table:
        from    to  target  type
           1     5       6  any
           6     7       6  any
    MethodParameters:
      Name  Flags
      name  

  public void setAttribute(java.lang.String, java.lang.Object);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // org.apache.catalina.core.ApplicationRequest this
        start local 1 // java.lang.String name
        start local 2 // java.lang.Object value
         0: .line 155
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            dup
            astore 3
            monitorenter
         1: .line 156
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            aload 1 /* name */
            aload 2 /* value */
            invokevirtual java.util.HashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 157
            aload 0 /* this */
            aload 1 /* name */
            invokevirtual org.apache.catalina.core.ApplicationRequest.isSpecial:(Ljava/lang/String;)Z
            ifne 4
         3: .line 158
            aload 0 /* this */
            invokevirtual org.apache.catalina.core.ApplicationRequest.getRequest:()Ljakarta/servlet/ServletRequest;
            aload 1 /* name */
            aload 2 /* value */
            invokeinterface jakarta.servlet.ServletRequest.setAttribute:(Ljava/lang/String;Ljava/lang/Object;)V
         4: .line 155
      StackMap locals: java.util.HashMap
      StackMap stack:
            aload 3
            monitorexit
         5: goto 8
      StackMap locals:
      StackMap stack: java.lang.Throwable
         6: aload 3
            monitorexit
         7: athrow
         8: .line 161
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.Object value
        end local 1 // java.lang.String name
        end local 0 // org.apache.catalina.core.ApplicationRequest this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    9     0   this  Lorg/apache/catalina/core/ApplicationRequest;
            0    9     1   name  Ljava/lang/String;
            0    9     2  value  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     5       6  any
           6     7       6  any
    MethodParameters:
       Name  Flags
      name   
      value  

  public void setRequest(jakarta.servlet.ServletRequest);
    descriptor: (Ljakarta/servlet/ServletRequest;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=6, args_size=2
        start local 0 // org.apache.catalina.core.ApplicationRequest this
        start local 1 // jakarta.servlet.ServletRequest request
         0: .line 175
            aload 0 /* this */
            aload 1 /* request */
            invokespecial jakarta.servlet.ServletRequestWrapper.setRequest:(Ljakarta/servlet/ServletRequest;)V
         1: .line 178
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            dup
            astore 2
            monitorenter
         2: .line 179
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            invokevirtual java.util.HashMap.clear:()V
         3: .line 180
            aload 1 /* request */
            invokeinterface jakarta.servlet.ServletRequest.getAttributeNames:()Ljava/util/Enumeration;
            astore 3 /* names */
        start local 3 // java.util.Enumeration names
         4: .line 181
            goto 8
         5: .line 182
      StackMap locals: java.util.HashMap java.util.Enumeration
      StackMap stack:
            aload 3 /* names */
            invokeinterface java.util.Enumeration.nextElement:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 4 /* name */
        start local 4 // java.lang.String name
         6: .line 183
            aload 1 /* request */
            aload 4 /* name */
            invokeinterface jakarta.servlet.ServletRequest.getAttribute:(Ljava/lang/String;)Ljava/lang/Object;
            astore 5 /* value */
        start local 5 // java.lang.Object value
         7: .line 184
            aload 0 /* this */
            getfield org.apache.catalina.core.ApplicationRequest.attributes:Ljava/util/HashMap;
            aload 4 /* name */
            aload 5 /* value */
            invokevirtual java.util.HashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 5 // java.lang.Object value
        end local 4 // java.lang.String name
         8: .line 181
      StackMap locals:
      StackMap stack:
            aload 3 /* names */
            invokeinterface java.util.Enumeration.hasMoreElements:()Z
            ifne 5
        end local 3 // java.util.Enumeration names
         9: .line 178
            aload 2
            monitorexit
        10: goto 13
      StackMap locals: org.apache.catalina.core.ApplicationRequest jakarta.servlet.ServletRequest java.util.HashMap
      StackMap stack: java.lang.Throwable
        11: aload 2
            monitorexit
        12: athrow
        13: .line 188
      StackMap locals:
      StackMap stack:
            return
        end local 1 // jakarta.servlet.ServletRequest request
        end local 0 // org.apache.catalina.core.ApplicationRequest this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   14     0     this  Lorg/apache/catalina/core/ApplicationRequest;
            0   14     1  request  Ljakarta/servlet/ServletRequest;
            4    9     3    names  Ljava/util/Enumeration<Ljava/lang/String;>;
            6    8     4     name  Ljava/lang/String;
            7    8     5    value  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           2    10      11  any
          11    12      11  any
    MethodParameters:
         Name  Flags
      request  

  protected boolean isSpecial(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=6, args_size=2
        start local 0 // org.apache.catalina.core.ApplicationRequest this
        start local 1 // java.lang.String name
         0: .line 202
            getstatic org.apache.catalina.core.ApplicationRequest.specials:[Ljava/lang/String;
            dup
            astore 5
            arraylength
            istore 4
            iconst_0
            istore 3
            goto 5
      StackMap locals: org.apache.catalina.core.ApplicationRequest java.lang.String top int int java.lang.String[]
      StackMap stack:
         1: aload 5
            iload 3
            aaload
            astore 2 /* special */
        start local 2 // java.lang.String special
         2: .line 203
            aload 2 /* special */
            aload 1 /* name */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 4
         3: .line 204
            iconst_1
            ireturn
        end local 2 // java.lang.String special
         4: .line 202
      StackMap locals:
      StackMap stack:
            iinc 3 1
      StackMap locals:
      StackMap stack:
         5: iload 3
            iload 4
            if_icmplt 1
         6: .line 206
            iconst_0
            ireturn
        end local 1 // java.lang.String name
        end local 0 // org.apache.catalina.core.ApplicationRequest this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0     this  Lorg/apache/catalina/core/ApplicationRequest;
            0    7     1     name  Ljava/lang/String;
            2    4     2  special  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      name  
}
SourceFile: "ApplicationRequest.java"