public class java.io.FileInputStream extends java.io.InputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: java.io.FileInputStream
  super_class: java.io.InputStream
{
  private final java.io.FileDescriptor fd;
    descriptor: Ljava/io/FileDescriptor;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String path;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private volatile java.nio.channels.FileChannel channel;
    descriptor: Ljava/nio/channels/FileChannel;
    flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE

  private final java.lang.Object closeLock;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  private final java.lang.Object altFinalizer;
    descriptor: Ljava/lang/Object;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=0, locals=0, args_size=0
         0: .line 439
            invokestatic java.io.FileInputStream.initIDs:()V
         1: .line 440
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.io.FileInputStream this
        start local 1 // java.lang.String name
         0: .line 112
            aload 0 /* this */
            aload 1 /* name */
            ifnull 1
            new java.io.File
            dup
            aload 1 /* name */
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            goto 2
      StackMap locals:
      StackMap stack: uninitialized-this
         1: aconst_null
      StackMap locals: uninitialized-this java.lang.String
      StackMap stack: uninitialized-this java.io.File
         2: invokespecial java.io.FileInputStream.<init>:(Ljava/io/File;)V
         3: .line 113
            return
        end local 1 // java.lang.String name
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Ljava/io/FileInputStream;
            0    4     1  name  Ljava/lang/String;
    Exceptions:
      throws java.io.FileNotFoundException
    MethodParameters:
      Name  Flags
      name  

  public void <init>(java.io.File);
    descriptor: (Ljava/io/File;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // java.io.FileInputStream this
        start local 1 // java.io.File file
         0: .line 142
            aload 0 /* this */
            invokespecial java.io.InputStream.<init>:()V
         1: .line 78
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield java.io.FileInputStream.closeLock:Ljava/lang/Object;
         2: .line 143
            aload 1 /* file */
            ifnull 3
            aload 1 /* file */
            invokevirtual java.io.File.getPath:()Ljava/lang/String;
            goto 4
      StackMap locals: java.io.FileInputStream java.io.File
      StackMap stack:
         3: aconst_null
      StackMap locals:
      StackMap stack: java.lang.String
         4: astore 2 /* name */
        start local 2 // java.lang.String name
         5: .line 144
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 3 /* security */
        start local 3 // java.lang.SecurityManager security
         6: .line 145
            aload 3 /* security */
            ifnull 8
         7: .line 146
            aload 3 /* security */
            aload 2 /* name */
            invokevirtual java.lang.SecurityManager.checkRead:(Ljava/lang/String;)V
         8: .line 148
      StackMap locals: java.lang.String java.lang.SecurityManager
      StackMap stack:
            aload 2 /* name */
            ifnonnull 10
         9: .line 149
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
        10: .line 151
      StackMap locals:
      StackMap stack:
            aload 1 /* file */
            invokevirtual java.io.File.isInvalid:()Z
            ifeq 12
        11: .line 152
            new java.io.FileNotFoundException
            dup
            ldc "Invalid file path"
            invokespecial java.io.FileNotFoundException.<init>:(Ljava/lang/String;)V
            athrow
        12: .line 154
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new java.io.FileDescriptor
            dup
            invokespecial java.io.FileDescriptor.<init>:()V
            putfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
        13: .line 155
            aload 0 /* this */
            getfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
            aload 0 /* this */
            invokevirtual java.io.FileDescriptor.attach:(Ljava/io/Closeable;)V
        14: .line 156
            aload 0 /* this */
            aload 2 /* name */
            putfield java.io.FileInputStream.path:Ljava/lang/String;
        15: .line 157
            aload 0 /* this */
            aload 2 /* name */
            invokevirtual java.io.FileInputStream.open:(Ljava/lang/String;)V
        16: .line 158
            aload 0 /* this */
            aload 0 /* this */
            invokestatic java.io.FileInputStream.getFinalizer:(Ljava/io/FileInputStream;)Ljava/lang/Object;
            putfield java.io.FileInputStream.altFinalizer:Ljava/lang/Object;
        17: .line 159
            aload 0 /* this */
            getfield java.io.FileInputStream.altFinalizer:Ljava/lang/Object;
            ifnonnull 19
        18: .line 160
            aload 0 /* this */
            getfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
            invokestatic java.io.FileCleanable.register:(Ljava/io/FileDescriptor;)V
        19: .line 162
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.lang.SecurityManager security
        end local 2 // java.lang.String name
        end local 1 // java.io.File file
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   20     0      this  Ljava/io/FileInputStream;
            0   20     1      file  Ljava/io/File;
            5   20     2      name  Ljava/lang/String;
            6   20     3  security  Ljava/lang/SecurityManager;
    Exceptions:
      throws java.io.FileNotFoundException
    MethodParameters:
      Name  Flags
      file  

  public void <init>(java.io.FileDescriptor);
    descriptor: (Ljava/io/FileDescriptor;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // java.io.FileInputStream this
        start local 1 // java.io.FileDescriptor fdObj
         0: .line 188
            aload 0 /* this */
            invokespecial java.io.InputStream.<init>:()V
         1: .line 78
            aload 0 /* this */
            new java.lang.Object
            dup
            invokespecial java.lang.Object.<init>:()V
            putfield java.io.FileInputStream.closeLock:Ljava/lang/Object;
         2: .line 189
            invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
            astore 2 /* security */
        start local 2 // java.lang.SecurityManager security
         3: .line 190
            aload 1 /* fdObj */
            ifnonnull 5
         4: .line 191
            new java.lang.NullPointerException
            dup
            invokespecial java.lang.NullPointerException.<init>:()V
            athrow
         5: .line 193
      StackMap locals: java.io.FileInputStream java.io.FileDescriptor java.lang.SecurityManager
      StackMap stack:
            aload 2 /* security */
            ifnull 7
         6: .line 194
            aload 2 /* security */
            aload 1 /* fdObj */
            invokevirtual java.lang.SecurityManager.checkRead:(Ljava/io/FileDescriptor;)V
         7: .line 196
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* fdObj */
            putfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
         8: .line 197
            aload 0 /* this */
            aconst_null
            putfield java.io.FileInputStream.path:Ljava/lang/String;
         9: .line 198
            aload 0 /* this */
            aconst_null
            putfield java.io.FileInputStream.altFinalizer:Ljava/lang/Object;
        10: .line 204
            aload 0 /* this */
            getfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
            aload 0 /* this */
            invokevirtual java.io.FileDescriptor.attach:(Ljava/io/Closeable;)V
        11: .line 205
            return
        end local 2 // java.lang.SecurityManager security
        end local 1 // java.io.FileDescriptor fdObj
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      this  Ljava/io/FileInputStream;
            0   12     1     fdObj  Ljava/io/FileDescriptor;
            3   12     2  security  Ljava/lang/SecurityManager;
    MethodParameters:
       Name  Flags
      fdObj  

  private native void open0(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
    Exceptions:
      throws java.io.FileNotFoundException
    MethodParameters:
      Name  Flags
      name  

  private void open(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.io.FileInputStream this
        start local 1 // java.lang.String name
         0: .line 219
            aload 0 /* this */
            aload 1 /* name */
            invokevirtual java.io.FileInputStream.open0:(Ljava/lang/String;)V
         1: .line 220
            return
        end local 1 // java.lang.String name
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Ljava/io/FileInputStream;
            0    2     1  name  Ljava/lang/String;
    Exceptions:
      throws java.io.FileNotFoundException
    MethodParameters:
      Name  Flags
      name  

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.FileInputStream this
         0: .line 231
            aload 0 /* this */
            invokevirtual java.io.FileInputStream.read0:()I
            ireturn
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/FileInputStream;
    Exceptions:
      throws java.io.IOException

  private native int read0();
    descriptor: ()I
    flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
    Exceptions:
      throws java.io.IOException

  private native int readBytes(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public int read(byte[]);
    descriptor: ([B)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.io.FileInputStream this
        start local 1 // byte[] b
         0: .line 257
            aload 0 /* this */
            aload 1 /* b */
            iconst_0
            aload 1 /* b */
            arraylength
            invokevirtual java.io.FileInputStream.readBytes:([BII)I
            ireturn
        end local 1 // byte[] b
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/FileInputStream;
            0    1     1     b  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public int read(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // java.io.FileInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 279
            aload 0 /* this */
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual java.io.FileInputStream.readBytes:([BII)I
            ireturn
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/FileInputStream;
            0    1     1     b  [B
            0    1     2   off  I
            0    1     3   len  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public long skip(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // java.io.FileInputStream this
        start local 1 // long n
         0: .line 307
            aload 0 /* this */
            lload 1 /* n */
            invokevirtual java.io.FileInputStream.skip0:(J)J
            lreturn
        end local 1 // long n
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/FileInputStream;
            0    1     1     n  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      n     

  private native long skip0(long);
    descriptor: (J)J
    flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      n     

  public int available();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.FileInputStream this
         0: .line 330
            aload 0 /* this */
            invokevirtual java.io.FileInputStream.available0:()I
            ireturn
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/FileInputStream;
    Exceptions:
      throws java.io.IOException

  private native int available0();
    descriptor: ()I
    flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // java.io.FileInputStream this
         0: .line 356
            aload 0 /* this */
            getfield java.io.FileInputStream.closed:Z
            ifeq 2
         1: .line 357
            return
         2: .line 359
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.io.FileInputStream.closeLock:Ljava/lang/Object;
            dup
            astore 1
            monitorenter
         3: .line 360
            aload 0 /* this */
            getfield java.io.FileInputStream.closed:Z
            ifeq 6
         4: .line 361
            aload 1
            monitorexit
         5: return
         6: .line 363
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 0 /* this */
            iconst_1
            putfield java.io.FileInputStream.closed:Z
         7: .line 359
            aload 1
            monitorexit
         8: goto 11
      StackMap locals:
      StackMap stack: java.lang.Throwable
         9: aload 1
            monitorexit
        10: athrow
        11: .line 366
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield java.io.FileInputStream.channel:Ljava/nio/channels/FileChannel;
            astore 1 /* fc */
        start local 1 // java.nio.channels.FileChannel fc
        12: .line 367
            aload 1 /* fc */
            ifnull 14
        13: .line 370
            aload 1 /* fc */
            invokevirtual java.nio.channels.FileChannel.close:()V
        14: .line 373
      StackMap locals: java.nio.channels.FileChannel
      StackMap stack:
            aload 0 /* this */
            getfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
            new java.io.FileInputStream$1
            dup
            aload 0 /* this */
            invokespecial java.io.FileInputStream$1.<init>:(Ljava/io/FileInputStream;)V
            invokevirtual java.io.FileDescriptor.closeAll:(Ljava/io/Closeable;)V
        15: .line 378
            return
        end local 1 // java.nio.channels.FileChannel fc
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   16     0  this  Ljava/io/FileInputStream;
           12   16     1    fc  Ljava/nio/channels/FileChannel;
      Exception table:
        from    to  target  type
           3     5       9  any
           6     8       9  any
           9    10       9  any
    Exceptions:
      throws java.io.IOException

  public final java.io.FileDescriptor getFD();
    descriptor: ()Ljava/io/FileDescriptor;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.io.FileInputStream this
         0: .line 391
            aload 0 /* this */
            getfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
            ifnull 2
         1: .line 392
            aload 0 /* this */
            getfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
            areturn
         2: .line 394
      StackMap locals:
      StackMap stack:
            new java.io.IOException
            dup
            invokespecial java.io.IOException.<init>:()V
            athrow
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Ljava/io/FileInputStream;
    Exceptions:
      throws java.io.IOException

  public java.nio.channels.FileChannel getChannel();
    descriptor: ()Ljava/nio/channels/FileChannel;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=4, args_size=1
        start local 0 // java.io.FileInputStream this
         0: .line 414
            aload 0 /* this */
            getfield java.io.FileInputStream.channel:Ljava/nio/channels/FileChannel;
            astore 1 /* fc */
        start local 1 // java.nio.channels.FileChannel fc
         1: .line 415
            aload 1 /* fc */
            ifnonnull 17
         2: .line 416
            aload 0 /* this */
            dup
            astore 2
            monitorenter
         3: .line 417
            aload 0 /* this */
            getfield java.io.FileInputStream.channel:Ljava/nio/channels/FileChannel;
            astore 1 /* fc */
         4: .line 418
            aload 1 /* fc */
            ifnonnull 13
         5: .line 419
            aload 0 /* this */
            aload 0 /* this */
            getfield java.io.FileInputStream.fd:Ljava/io/FileDescriptor;
            aload 0 /* this */
            getfield java.io.FileInputStream.path:Ljava/lang/String;
            iconst_1
         6: .line 420
            iconst_0
            iconst_0
            aload 0 /* this */
         7: .line 419
            invokestatic sun.nio.ch.FileChannelImpl.open:(Ljava/io/FileDescriptor;Ljava/lang/String;ZZZLjava/lang/Object;)Ljava/nio/channels/FileChannel;
            dup
            astore 1 /* fc */
            putfield java.io.FileInputStream.channel:Ljava/nio/channels/FileChannel;
         8: .line 421
            aload 0 /* this */
            getfield java.io.FileInputStream.closed:Z
            ifeq 13
         9: .line 425
            aload 1 /* fc */
            invokevirtual java.nio.channels.FileChannel.close:()V
        10: .line 426
            goto 13
      StackMap locals: java.io.FileInputStream java.nio.channels.FileChannel java.io.FileInputStream
      StackMap stack: java.io.IOException
        11: astore 3 /* ioe */
        start local 3 // java.io.IOException ioe
        12: .line 427
            new java.lang.InternalError
            dup
            aload 3 /* ioe */
            invokespecial java.lang.InternalError.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.io.IOException ioe
        13: .line 416
      StackMap locals:
      StackMap stack:
            aload 2
            monitorexit
        14: goto 17
      StackMap locals:
      StackMap stack: java.lang.Throwable
        15: aload 2
            monitorexit
        16: athrow
        17: .line 433
      StackMap locals:
      StackMap stack:
            aload 1 /* fc */
            areturn
        end local 1 // java.nio.channels.FileChannel fc
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   18     0  this  Ljava/io/FileInputStream;
            1   18     1    fc  Ljava/nio/channels/FileChannel;
           12   13     3   ioe  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           9    10      11  Class java.io.IOException
           3    14      15  any
          15    16      15  any

  private static native void initIDs();
    descriptor: ()V
    flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE

  protected void finalize();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // java.io.FileInputStream this
         0: .line 472
            return
        end local 0 // java.io.FileInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljava/io/FileInputStream;
    Exceptions:
      throws java.io.IOException
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated(since = "9", forRemoval = true)

  private static java.lang.Object getFinalizer(java.io.FileInputStream);
    descriptor: (Ljava/io/FileInputStream;)Ljava/lang/Object;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.io.FileInputStream fis
         0: .line 479
            aload 0 /* fis */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            astore 1 /* clazz */
        start local 1 // java.lang.Class clazz
         1: .line 480
            goto 7
         2: .line 482
      StackMap locals: java.lang.Class
      StackMap stack:
            aload 1 /* clazz */
            ldc "close"
            iconst_0
            anewarray java.lang.Class
            invokevirtual java.lang.Class.getDeclaredMethod:(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;
            pop
         3: .line 483
            new java.io.FileInputStream$AltFinalizer
            dup
            aload 0 /* fis */
            invokespecial java.io.FileInputStream$AltFinalizer.<init>:(Ljava/io/FileInputStream;)V
         4: areturn
         5: .line 484
      StackMap locals:
      StackMap stack: java.lang.NoSuchMethodException
            pop
         6: .line 487
            aload 1 /* clazz */
            invokevirtual java.lang.Class.getSuperclass:()Ljava/lang/Class;
            astore 1 /* clazz */
         7: .line 480
      StackMap locals:
      StackMap stack:
            aload 1 /* clazz */
            ldc Ljava/io/FileInputStream;
            if_acmpne 2
         8: .line 489
            aconst_null
            areturn
        end local 1 // java.lang.Class clazz
        end local 0 // java.io.FileInputStream fis
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    9     0    fis  Ljava/io/FileInputStream;
            1    9     1  clazz  Ljava/lang/Class<*>;
      Exception table:
        from    to  target  type
           2     4       5  Class java.lang.NoSuchMethodException
    MethodParameters:
      Name  Flags
      fis   
}
SourceFile: "FileInputStream.java"
NestMembers:
  java.io.FileInputStream$1  java.io.FileInputStream$AltFinalizer
InnerClasses:
  java.io.FileInputStream$1
  AltFinalizer = java.io.FileInputStream$AltFinalizer of java.io.FileInputStream