https://tomcat.apache.org/: Tomcat Connectors and HTTP parser 
public class org.apache.coyote.http11.upgrade.UpgradeServletInputStream extends javax.servlet.ServletInputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.coyote.http11.upgrade.UpgradeServletInputStream
  super_class: javax.servlet.ServletInputStream
{
  private static final org.apache.juli.logging.Log log;
    descriptor: Lorg/apache/juli/logging/Log;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final org.apache.tomcat.util.res.StringManager sm;
    descriptor: Lorg/apache/tomcat/util/res/StringManager;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final org.apache.coyote.http11.upgrade.UpgradeProcessorBase processor;
    descriptor: Lorg/apache/coyote/http11/upgrade/UpgradeProcessorBase;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.tomcat.util.net.SocketWrapperBase<?> socketWrapper;
    descriptor: Lorg/apache/tomcat/util/net/SocketWrapperBase;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Lorg/apache/tomcat/util/net/SocketWrapperBase<*>;

  private volatile boolean closed;
    descriptor: Z
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private volatile boolean eof;
    descriptor: Z
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private volatile java.lang.Boolean ready;
    descriptor: Ljava/lang/Boolean;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private volatile javax.servlet.ReadListener listener;
    descriptor: Ljavax/servlet/ReadListener;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 34
            ldc Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
            invokestatic org.apache.juli.logging.LogFactory.getLog:(Ljava/lang/Class;)Lorg/apache/juli/logging/Log;
            putstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.log:Lorg/apache/juli/logging/Log;
         1: .line 36
            ldc Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
            invokestatic org.apache.tomcat.util.res.StringManager.getManager:(Ljava/lang/Class;)Lorg/apache/tomcat/util/res/StringManager;
         2: .line 35
            putstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
         3: .line 36
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.apache.coyote.http11.upgrade.UpgradeProcessorBase, org.apache.tomcat.util.net.SocketWrapperBase<?>);
    descriptor: (Lorg/apache/coyote/http11/upgrade/UpgradeProcessorBase;Lorg/apache/tomcat/util/net/SocketWrapperBase;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
        start local 1 // org.apache.coyote.http11.upgrade.UpgradeProcessorBase processor
        start local 2 // org.apache.tomcat.util.net.SocketWrapperBase socketWrapper
         0: .line 48
            aload 0 /* this */
            invokespecial javax.servlet.ServletInputStream.<init>:()V
         1: .line 41
            aload 0 /* this */
            iconst_0
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.closed:Z
         2: .line 42
            aload 0 /* this */
            iconst_0
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.eof:Z
         3: .line 44
            aload 0 /* this */
            getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
         4: .line 45
            aload 0 /* this */
            aconst_null
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.listener:Ljavax/servlet/ReadListener;
         5: .line 50
            aload 0 /* this */
            aload 1 /* processor */
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.processor:Lorg/apache/coyote/http11/upgrade/UpgradeProcessorBase;
         6: .line 51
            aload 0 /* this */
            aload 2 /* socketWrapper */
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.socketWrapper:Lorg/apache/tomcat/util/net/SocketWrapperBase;
         7: .line 52
            return
        end local 2 // org.apache.tomcat.util.net.SocketWrapperBase socketWrapper
        end local 1 // org.apache.coyote.http11.upgrade.UpgradeProcessorBase processor
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    8     0           this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
            0    8     1      processor  Lorg/apache/coyote/http11/upgrade/UpgradeProcessorBase;
            0    8     2  socketWrapper  Lorg/apache/tomcat/util/net/SocketWrapperBase<*>;
    Signature: (Lorg/apache/coyote/http11/upgrade/UpgradeProcessorBase;Lorg/apache/tomcat/util/net/SocketWrapperBase<*>;)V
    MethodParameters:
               Name  Flags
      processor      
      socketWrapper  

  public final boolean isFinished();
    descriptor: ()Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 57
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.listener:Ljavax/servlet/ReadListener;
            ifnonnull 4
         1: .line 58
            new java.lang.IllegalStateException
            dup
         2: .line 59
            getstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "upgrade.sis.isFinished.ise"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
         3: .line 58
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 61
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.eof:Z
            ireturn
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;

  public final boolean isReady();
    descriptor: ()Z
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 67
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.listener:Ljavax/servlet/ReadListener;
            ifnonnull 4
         1: .line 68
            new java.lang.IllegalStateException
            dup
         2: .line 69
            getstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "upgrade.sis.isReady.ise"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
         3: .line 68
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 72
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.eof:Z
            ifne 5
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.closed:Z
            ifeq 6
         5: .line 73
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         6: .line 77
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
            ifnull 8
         7: .line 78
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
            invokevirtual java.lang.Boolean.booleanValue:()Z
            ireturn
         8: .line 82
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.socketWrapper:Lorg/apache/tomcat/util/net/SocketWrapperBase;
            invokevirtual org.apache.tomcat.util.net.SocketWrapperBase.isReadyForRead:()Z
            invokestatic java.lang.Boolean.valueOf:(Z)Ljava/lang/Boolean;
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
         9: .line 83
            goto 12
      StackMap locals:
      StackMap stack: java.io.IOException
        10: astore 1 /* e */
        start local 1 // java.io.IOException e
        11: .line 84
            aload 0 /* this */
            aload 1 /* e */
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeServletInputStream.onError:(Ljava/lang/Throwable;)V
        end local 1 // java.io.IOException e
        12: .line 86
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
            invokevirtual java.lang.Boolean.booleanValue:()Z
            ireturn
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0  this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
           11   12     1     e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           8     9      10  Class java.io.IOException

  public final void setReadListener(javax.servlet.ReadListener);
    descriptor: (Ljavax/servlet/ReadListener;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
        start local 1 // javax.servlet.ReadListener listener
         0: .line 92
            aload 1 /* listener */
            ifnonnull 4
         1: .line 93
            new java.lang.IllegalArgumentException
            dup
         2: .line 94
            getstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "upgrade.sis.readListener.null"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
         3: .line 93
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 96
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.listener:Ljavax/servlet/ReadListener;
            ifnull 8
         5: .line 97
            new java.lang.IllegalArgumentException
            dup
         6: .line 98
            getstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "upgrade.sis.readListener.set"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
         7: .line 97
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 100
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.closed:Z
            ifeq 10
         9: .line 101
            new java.lang.IllegalStateException
            dup
            getstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "upgrade.sis.read.closed"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        10: .line 104
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* listener */
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.listener:Ljavax/servlet/ReadListener;
        11: .line 107
            invokestatic org.apache.coyote.ContainerThreadMarker.isContainerThread:()Z
            ifeq 14
        12: .line 108
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.processor:Lorg/apache/coyote/http11/upgrade/UpgradeProcessorBase;
            getstatic org.apache.tomcat.util.net.DispatchType.NON_BLOCKING_READ:Lorg/apache/tomcat/util/net/DispatchType;
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeProcessorBase.addDispatch:(Lorg/apache/tomcat/util/net/DispatchType;)V
        13: .line 109
            goto 15
        14: .line 110
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.socketWrapper:Lorg/apache/tomcat/util/net/SocketWrapperBase;
            invokevirtual org.apache.tomcat.util.net.SocketWrapperBase.registerReadInterest:()V
        15: .line 114
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
        16: .line 115
            return
        end local 1 // javax.servlet.ReadListener listener
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   17     0      this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
            0   17     1  listener  Ljavax/servlet/ReadListener;
    MethodParameters:
          Name  Flags
      listener  

  public final int read();
    descriptor: ()I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 120
            aload 0 /* this */
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeServletInputStream.preReadChecks:()V
         1: .line 122
            aload 0 /* this */
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeServletInputStream.readInternal:()I
            ireturn
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
    Exceptions:
      throws java.io.IOException

  public final int readLine(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=6, args_size=4
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 128
            aload 0 /* this */
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeServletInputStream.preReadChecks:()V
         1: .line 130
            iload 3 /* len */
            ifgt 3
         2: .line 131
            iconst_0
            ireturn
         3: .line 133
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 4 /* count */
        start local 4 // int count
         4: .line 135
            goto 9
        start local 5 // int c
         5: .line 136
      StackMap locals: int int
      StackMap stack:
            aload 1 /* b */
            iload 2 /* off */
            iinc 2 /* off */ 1
            iload 5 /* c */
            i2b
            bastore
         6: .line 137
            iinc 4 /* count */ 1
         7: .line 138
            iload 5 /* c */
            bipush 10
            if_icmpeq 11
            iload 4 /* count */
            iload 3 /* len */
            if_icmpne 9
         8: .line 139
            goto 11
        end local 5 // int c
         9: .line 135
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeServletInputStream.readInternal:()I
            dup
            istore 5 /* c */
        start local 5 // int c
        10: iconst_m1
            if_icmpne 5
        11: .line 142
      StackMap locals: int
      StackMap stack:
            iload 4 /* count */
            ifle 12
            iload 4 /* count */
            goto 13
      StackMap locals:
      StackMap stack:
        12: iconst_m1
      StackMap locals:
      StackMap stack: int
        13: ireturn
        end local 5 // int c
        end local 4 // int count
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   14     0   this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
            0   14     1      b  [B
            0   14     2    off  I
            0   14     3    len  I
            4   14     4  count  I
            5    9     5      c  I
           10   14     5      c  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public final int read(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 148
            aload 0 /* this */
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeServletInputStream.preReadChecks:()V
         1: .line 151
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.socketWrapper:Lorg/apache/tomcat/util/net/SocketWrapperBase;
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.listener:Ljavax/servlet/ReadListener;
            ifnonnull 2
            iconst_1
            goto 3
      StackMap locals:
      StackMap stack: org.apache.tomcat.util.net.SocketWrapperBase
         2: iconst_0
      StackMap locals: org.apache.coyote.http11.upgrade.UpgradeServletInputStream byte[] int int
      StackMap stack: org.apache.tomcat.util.net.SocketWrapperBase int
         3: aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual org.apache.tomcat.util.net.SocketWrapperBase.read:(Z[BII)I
            istore 4 /* result */
        start local 4 // int result
         4: .line 152
            iload 4 /* result */
            iconst_m1
            if_icmpne 6
         5: .line 153
            aload 0 /* this */
            iconst_1
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.eof:Z
         6: .line 155
      StackMap locals: int
      StackMap stack:
            iload 4 /* result */
         7: ireturn
        end local 4 // int result
         8: .line 156
      StackMap locals: org.apache.coyote.http11.upgrade.UpgradeServletInputStream byte[] int int
      StackMap stack: java.io.IOException
            astore 4 /* ioe */
        start local 4 // java.io.IOException ioe
         9: .line 157
            aload 0 /* this */
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeServletInputStream.close:()V
        10: .line 158
            aload 4 /* ioe */
            athrow
        end local 4 // java.io.IOException ioe
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
            0   11     1       b  [B
            0   11     2     off  I
            0   11     3     len  I
            4    8     4  result  I
            9   11     4     ioe  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           1     7       8  Class java.io.IOException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 166
            aload 0 /* this */
            iconst_1
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.eof:Z
         1: .line 167
            aload 0 /* this */
            iconst_1
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.closed:Z
         2: .line 168
            return
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
    Exceptions:
      throws java.io.IOException

  private void preReadChecks();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 172
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.listener:Ljavax/servlet/ReadListener;
            ifnull 2
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
            ifnull 1
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
            invokevirtual java.lang.Boolean.booleanValue:()Z
            ifne 2
         1: .line 173
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalStateException
            dup
            getstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "upgrade.sis.read.ise"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 175
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.closed:Z
            ifeq 4
         3: .line 176
            new java.lang.IllegalStateException
            dup
            getstatic org.apache.coyote.http11.upgrade.UpgradeServletInputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "upgrade.sis.read.closed"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 179
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.ready:Ljava/lang/Boolean;
         5: .line 180
            return
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;

  private int readInternal();
    descriptor: ()I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 186
            iconst_1
            newarray 8
            astore 1 /* b */
        start local 1 // byte[] b
         1: .line 189
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.socketWrapper:Lorg/apache/tomcat/util/net/SocketWrapperBase;
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.listener:Ljavax/servlet/ReadListener;
            ifnonnull 2
            iconst_1
            goto 3
      StackMap locals: org.apache.coyote.http11.upgrade.UpgradeServletInputStream byte[]
      StackMap stack: org.apache.tomcat.util.net.SocketWrapperBase
         2: iconst_0
      StackMap locals: org.apache.coyote.http11.upgrade.UpgradeServletInputStream byte[]
      StackMap stack: org.apache.tomcat.util.net.SocketWrapperBase int
         3: aload 1 /* b */
            iconst_0
            iconst_1
            invokevirtual org.apache.tomcat.util.net.SocketWrapperBase.read:(Z[BII)I
            istore 2 /* result */
        start local 2 // int result
         4: .line 190
            goto 8
        end local 2 // int result
      StackMap locals:
      StackMap stack: java.io.IOException
         5: astore 3 /* ioe */
        start local 3 // java.io.IOException ioe
         6: .line 191
            aload 0 /* this */
            invokevirtual org.apache.coyote.http11.upgrade.UpgradeServletInputStream.close:()V
         7: .line 192
            aload 3 /* ioe */
            athrow
        end local 3 // java.io.IOException ioe
        start local 2 // int result
         8: .line 194
      StackMap locals: int
      StackMap stack:
            iload 2 /* result */
            ifne 10
         9: .line 195
            iconst_m1
            ireturn
        10: .line 196
      StackMap locals:
      StackMap stack:
            iload 2 /* result */
            iconst_m1
            if_icmpne 13
        11: .line 197
            aload 0 /* this */
            iconst_1
            putfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.eof:Z
        12: .line 198
            iconst_m1
            ireturn
        13: .line 200
      StackMap locals:
      StackMap stack:
            aload 1 /* b */
            iconst_0
            baload
            sipush 255
            iand
            ireturn
        end local 2 // int result
        end local 1 // byte[] b
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   14     0    this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
            1   14     1       b  [B
            4    5     2  result  I
            8   14     2  result  I
            6    8     3     ioe  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           1     4       5  Class java.io.IOException
    Exceptions:
      throws java.io.IOException

  final void onDataAvailable();
    descriptor: ()V
    flags: (0x0010) ACC_FINAL
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 214
            new java.lang.Error
            dup
            ldc "Unresolved compilation problems: \n\tThe method getContextBind() from the type UpgradeToken refers to the missing type ContextBind\n\tThe method getContextBind() from the type UpgradeToken refers to the missing type ContextBind\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;

  private final void onError(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 235
            new java.lang.Error
            dup
            ldc "Unresolved compilation problems: \n\tThe method getContextBind() from the type UpgradeToken refers to the missing type ContextBind\n\tThe method getContextBind() from the type UpgradeToken refers to the missing type ContextBind\n"
            invokespecial java.lang.Error.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
    MethodParameters:
      Name  Flags
      t     

  final boolean isClosed();
    descriptor: ()Z
    flags: (0x0010) ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
         0: .line 256
            aload 0 /* this */
            getfield org.apache.coyote.http11.upgrade.UpgradeServletInputStream.closed:Z
            ireturn
        end local 0 // org.apache.coyote.http11.upgrade.UpgradeServletInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/coyote/http11/upgrade/UpgradeServletInputStream;
}
SourceFile: "UpgradeServletInputStream.java"