https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
public class org.apache.catalina.connector.CoyoteOutputStream extends javax.servlet.ServletOutputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.catalina.connector.CoyoteOutputStream
  super_class: javax.servlet.ServletOutputStream
{
  protected static final org.apache.tomcat.util.res.StringManager sm;
    descriptor: Lorg/apache/tomcat/util/res/StringManager;
    flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL

  protected org.apache.catalina.connector.OutputBuffer ob;
    descriptor: Lorg/apache/catalina/connector/OutputBuffer;
    flags: (0x0004) ACC_PROTECTED

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 35
            ldc Lorg/apache/catalina/connector/CoyoteOutputStream;
            invokestatic org.apache.tomcat.util.res.StringManager.getManager:(Ljava/lang/Class;)Lorg/apache/tomcat/util/res/StringManager;
            putstatic org.apache.catalina.connector.CoyoteOutputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>(org.apache.catalina.connector.OutputBuffer);
    descriptor: (Lorg/apache/catalina/connector/OutputBuffer;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
        start local 1 // org.apache.catalina.connector.OutputBuffer ob
         0: .line 46
            aload 0 /* this */
            invokespecial javax.servlet.ServletOutputStream.<init>:()V
         1: .line 47
            aload 0 /* this */
            aload 1 /* ob */
            putfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
         2: .line 48
            return
        end local 1 // org.apache.catalina.connector.OutputBuffer ob
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/catalina/connector/CoyoteOutputStream;
            0    3     1    ob  Lorg/apache/catalina/connector/OutputBuffer;
    MethodParameters:
      Name  Flags
      ob    

  protected java.lang.Object clone();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
         0: .line 59
            new java.lang.CloneNotSupportedException
            dup
            invokespecial java.lang.CloneNotSupportedException.<init>:()V
            athrow
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/connector/CoyoteOutputStream;
    Exceptions:
      throws java.lang.CloneNotSupportedException

  void clear();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
         0: .line 70
            aload 0 /* this */
            aconst_null
            putfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
         1: .line 71
            return
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/catalina/connector/CoyoteOutputStream;

  public void write(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
        start local 1 // int i
         0: .line 79
            aload 0 /* this */
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.checkNonBlockingWrite:()Z
            istore 2 /* nonBlocking */
        start local 2 // boolean nonBlocking
         1: .line 80
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            iload 1 /* i */
            invokevirtual org.apache.catalina.connector.OutputBuffer.writeByte:(I)V
         2: .line 81
            iload 2 /* nonBlocking */
            ifeq 4
         3: .line 82
            aload 0 /* this */
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.checkRegisterForWrite:()V
         4: .line 84
      StackMap locals: int
      StackMap stack:
            return
        end local 2 // boolean nonBlocking
        end local 1 // int i
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Lorg/apache/catalina/connector/CoyoteOutputStream;
            0    5     1            i  I
            1    5     2  nonBlocking  Z
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public void write(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
        start local 1 // byte[] b
         0: .line 89
            aload 0 /* this */
            aload 1 /* b */
            iconst_0
            aload 1 /* b */
            arraylength
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.write:([BII)V
         1: .line 90
            return
        end local 1 // byte[] b
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/catalina/connector/CoyoteOutputStream;
            0    2     1     b  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public void write(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 95
            aload 0 /* this */
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.checkNonBlockingWrite:()Z
            istore 4 /* nonBlocking */
        start local 4 // boolean nonBlocking
         1: .line 96
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual org.apache.catalina.connector.OutputBuffer.write:([BII)V
         2: .line 97
            iload 4 /* nonBlocking */
            ifeq 4
         3: .line 98
            aload 0 /* this */
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.checkRegisterForWrite:()V
         4: .line 100
      StackMap locals: int
      StackMap stack:
            return
        end local 4 // boolean nonBlocking
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Lorg/apache/catalina/connector/CoyoteOutputStream;
            0    5     1            b  [B
            0    5     2          off  I
            0    5     3          len  I
            1    5     4  nonBlocking  Z
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public void write(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
        start local 1 // java.nio.ByteBuffer from
         0: .line 104
            aload 0 /* this */
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.checkNonBlockingWrite:()Z
            istore 2 /* nonBlocking */
        start local 2 // boolean nonBlocking
         1: .line 105
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            aload 1 /* from */
            invokevirtual org.apache.catalina.connector.OutputBuffer.write:(Ljava/nio/ByteBuffer;)V
         2: .line 106
            iload 2 /* nonBlocking */
            ifeq 4
         3: .line 107
            aload 0 /* this */
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.checkRegisterForWrite:()V
         4: .line 109
      StackMap locals: int
      StackMap stack:
            return
        end local 2 // boolean nonBlocking
        end local 1 // java.nio.ByteBuffer from
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Lorg/apache/catalina/connector/CoyoteOutputStream;
            0    5     1         from  Ljava/nio/ByteBuffer;
            1    5     2  nonBlocking  Z
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      from  

  public void flush();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=1
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
         0: .line 117
            aload 0 /* this */
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.checkNonBlockingWrite:()Z
            istore 1 /* nonBlocking */
        start local 1 // boolean nonBlocking
         1: .line 118
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            invokevirtual org.apache.catalina.connector.OutputBuffer.flush:()V
         2: .line 119
            iload 1 /* nonBlocking */
            ifeq 4
         3: .line 120
            aload 0 /* this */
            invokevirtual org.apache.catalina.connector.CoyoteOutputStream.checkRegisterForWrite:()V
         4: .line 122
      StackMap locals: int
      StackMap stack:
            return
        end local 1 // boolean nonBlocking
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    5     0         this  Lorg/apache/catalina/connector/CoyoteOutputStream;
            1    5     1  nonBlocking  Z
    Exceptions:
      throws java.io.IOException

  private boolean checkNonBlockingWrite();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
         0: .line 134
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            invokevirtual org.apache.catalina.connector.OutputBuffer.isBlocking:()Z
            ifeq 1
            iconst_0
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_1
      StackMap locals:
      StackMap stack: int
         2: istore 1 /* nonBlocking */
        start local 1 // boolean nonBlocking
         3: .line 135
            iload 1 /* nonBlocking */
            ifeq 5
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            invokevirtual org.apache.catalina.connector.OutputBuffer.isReady:()Z
            ifne 5
         4: .line 136
            new java.lang.IllegalStateException
            dup
            getstatic org.apache.catalina.connector.CoyoteOutputStream.sm:Lorg/apache/tomcat/util/res/StringManager;
            ldc "coyoteOutputStream.nbNotready"
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;)Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 138
      StackMap locals: int
      StackMap stack:
            iload 1 /* nonBlocking */
            ireturn
        end local 1 // boolean nonBlocking
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0         this  Lorg/apache/catalina/connector/CoyoteOutputStream;
            3    6     1  nonBlocking  Z

  private void checkRegisterForWrite();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
         0: .line 151
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            invokevirtual org.apache.catalina.connector.OutputBuffer.checkRegisterForWrite:()V
         1: .line 152
            return
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/catalina/connector/CoyoteOutputStream;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
         0: .line 157
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            invokevirtual org.apache.catalina.connector.OutputBuffer.close:()V
         1: .line 158
            return
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/catalina/connector/CoyoteOutputStream;
    Exceptions:
      throws java.io.IOException

  public boolean isReady();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
         0: .line 162
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            invokevirtual org.apache.catalina.connector.OutputBuffer.isReady:()Z
            ireturn
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/connector/CoyoteOutputStream;

  public void setWriteListener(javax.servlet.WriteListener);
    descriptor: (Ljavax/servlet/WriteListener;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.catalina.connector.CoyoteOutputStream this
        start local 1 // javax.servlet.WriteListener listener
         0: .line 168
            aload 0 /* this */
            getfield org.apache.catalina.connector.CoyoteOutputStream.ob:Lorg/apache/catalina/connector/OutputBuffer;
            aload 1 /* listener */
            invokevirtual org.apache.catalina.connector.OutputBuffer.setWriteListener:(Ljavax/servlet/WriteListener;)V
         1: .line 169
            return
        end local 1 // javax.servlet.WriteListener listener
        end local 0 // org.apache.catalina.connector.CoyoteOutputStream this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lorg/apache/catalina/connector/CoyoteOutputStream;
            0    2     1  listener  Ljavax/servlet/WriteListener;
    MethodParameters:
          Name  Flags
      listener  
}
SourceFile: "CoyoteOutputStream.java"