http://openjdk.java.net/projects/code-tools/jmh/jmh-core/: The jmh is a Java harness for building, running, and analysing nano/micro/macro benchmarks written in Java and other languages targeting the JVM. (Oracle)
  • Aleksey Shipilev (Oracle/Sun, Red Hat)
  • Sergey Kuksenko (Oracle/Sun)
  • Anders Astrand (Oracle/BEA)
  • Staffan Friberg (Oracle/BEA)
  • Henrik Loef (Oracle/BEA) 
public class org.openjdk.jmh.util.FileUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.openjdk.jmh.util.FileUtils
  super_class: java.lang.Object
{
  static final org.openjdk.jmh.util.TempFileManager TEMP_FILE_MANAGER;
    descriptor: Lorg/openjdk/jmh/util/TempFileManager;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 42
            new org.openjdk.jmh.util.TempFileManager
            dup
            invokespecial org.openjdk.jmh.util.TempFileManager.<init>:()V
            putstatic org.openjdk.jmh.util.FileUtils.TEMP_FILE_MANAGER:Lorg/openjdk/jmh/util/TempFileManager;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.openjdk.jmh.util.FileUtils this
         0: .line 38
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 40
            return
        end local 0 // org.openjdk.jmh.util.FileUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/openjdk/jmh/util/FileUtils;

  public static org.openjdk.jmh.util.TempFile weakTempFile(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/openjdk/jmh/util/TempFile;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.String suffix
         0: .line 53
            getstatic org.openjdk.jmh.util.FileUtils.TEMP_FILE_MANAGER:Lorg/openjdk/jmh/util/TempFileManager;
            aload 0 /* suffix */
            invokevirtual org.openjdk.jmh.util.TempFileManager.create:(Ljava/lang/String;)Lorg/openjdk/jmh/util/TempFile;
            areturn
        end local 0 // java.lang.String suffix
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0  suffix  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      suffix  

  public static void purgeTemps();
    descriptor: ()V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 57
            getstatic org.openjdk.jmh.util.FileUtils.TEMP_FILE_MANAGER:Lorg/openjdk/jmh/util/TempFileManager;
            invokevirtual org.openjdk.jmh.util.TempFileManager.purge:()V
         1: .line 58
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static java.io.File tempFile(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/io/File;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.lang.String suffix
         0: .line 69
            ldc "jmh"
            aload 0 /* suffix */
            invokestatic java.io.File.createTempFile:(Ljava/lang/String;Ljava/lang/String;)Ljava/io/File;
            astore 1 /* file */
        start local 1 // java.io.File file
         1: .line 70
            aload 1 /* file */
            invokevirtual java.io.File.deleteOnExit:()V
         2: .line 71
            aload 1 /* file */
            areturn
        end local 1 // java.io.File file
        end local 0 // java.lang.String suffix
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0  suffix  Ljava/lang/String;
            1    3     1    file  Ljava/io/File;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      suffix  

  public static java.io.File extractFromResource(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/io/File;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=8, args_size=1
        start local 0 // java.lang.String name
         0: .line 82
            ldc "extracted"
            invokestatic org.openjdk.jmh.util.FileUtils.tempFile:(Ljava/lang/String;)Ljava/io/File;
            astore 1 /* temp */
        start local 1 // java.io.File temp
         1: .line 83
            aconst_null
            astore 2
            aconst_null
            astore 3
         2: ldc Lorg/openjdk/jmh/util/FileUtils;
            aload 0 /* name */
            invokevirtual java.lang.Class.getResourceAsStream:(Ljava/lang/String;)Ljava/io/InputStream;
            astore 4 /* fis */
        start local 4 // java.io.InputStream fis
         3: .line 84
            new java.io.FileOutputStream
            dup
            aload 1 /* temp */
            invokespecial java.io.FileOutputStream.<init>:(Ljava/io/File;)V
            astore 5 /* fos */
        start local 5 // java.io.OutputStream fos
         4: .line 86
            sipush 8192
            newarray 8
            astore 6 /* buf */
        start local 6 // byte[] buf
         5: .line 88
            goto 7
        start local 7 // int read
         6: .line 89
      StackMap locals: java.lang.String java.io.File java.lang.Throwable java.lang.Throwable java.io.InputStream java.io.OutputStream byte[] int
      StackMap stack:
            aload 5 /* fos */
            aload 6 /* buf */
            iconst_0
            iload 7 /* read */
            invokevirtual java.io.OutputStream.write:([BII)V
        end local 7 // int read
         7: .line 88
      StackMap locals:
      StackMap stack:
            aload 4 /* fis */
            aload 6 /* buf */
            invokevirtual java.io.InputStream.read:([B)I
            dup
            istore 7 /* read */
        start local 7 // int read
         8: iconst_m1
            if_icmpne 6
         9: .line 92
            aload 5 /* fos */
            invokevirtual java.io.OutputStream.close:()V
        10: .line 94
            aload 1 /* temp */
        11: .line 95
            aload 5 /* fos */
            ifnull 12
            aload 5 /* fos */
            invokevirtual java.io.OutputStream.close:()V
      StackMap locals: java.lang.String java.io.File java.lang.Throwable java.lang.Throwable java.io.InputStream java.io.OutputStream byte[] int
      StackMap stack: java.io.File
        12: aload 4 /* fis */
            ifnull 13
            aload 4 /* fis */
            invokevirtual java.io.InputStream.close:()V
        13: .line 94
      StackMap locals:
      StackMap stack: java.io.File
            areturn
        end local 7 // int read
        end local 6 // byte[] buf
      StackMap locals: java.lang.String java.io.File java.lang.Throwable java.lang.Throwable java.io.InputStream java.io.OutputStream
      StackMap stack: java.lang.Throwable
        14: astore 2
        15: .line 95
            aload 5 /* fos */
            ifnull 16
            aload 5 /* fos */
            invokevirtual java.io.OutputStream.close:()V
        end local 5 // java.io.OutputStream fos
      StackMap locals:
      StackMap stack:
        16: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        17: astore 3
            aload 2
            ifnonnull 18
            aload 3
            astore 2
            goto 19
      StackMap locals:
      StackMap stack:
        18: aload 2
            aload 3
            if_acmpeq 19
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        19: aload 4 /* fis */
            ifnull 20
            aload 4 /* fis */
            invokevirtual java.io.InputStream.close:()V
        end local 4 // java.io.InputStream fis
      StackMap locals:
      StackMap stack:
        20: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        21: astore 3
            aload 2
            ifnonnull 22
            aload 3
            astore 2
            goto 23
      StackMap locals:
      StackMap stack:
        22: aload 2
            aload 3
            if_acmpeq 23
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        23: aload 2
            athrow
        end local 1 // java.io.File temp
        end local 0 // java.lang.String name
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   24     0  name  Ljava/lang/String;
            1   24     1  temp  Ljava/io/File;
            3   20     4   fis  Ljava/io/InputStream;
            4   16     5   fos  Ljava/io/OutputStream;
            5   14     6   buf  [B
            6    7     7  read  I
            8   14     7  read  I
      Exception table:
        from    to  target  type
           4    11      14  any
           3    12      17  any
          14    17      17  any
           2    13      21  any
          14    21      21  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      name  

  public static java.lang.String createTempFileWithLines(java.lang.String, java.lang.Iterable<java.lang.String>);
    descriptor: (Ljava/lang/String;Ljava/lang/Iterable;)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=6, args_size=2
        start local 0 // java.lang.String suffix
        start local 1 // java.lang.Iterable lines
         0: .line 109
            aload 0 /* suffix */
            invokestatic org.openjdk.jmh.util.FileUtils.tempFile:(Ljava/lang/String;)Ljava/io/File;
            astore 2 /* file */
        start local 2 // java.io.File file
         1: .line 110
            new java.io.PrintWriter
            dup
            aload 2 /* file */
            invokespecial java.io.PrintWriter.<init>:(Ljava/io/File;)V
            astore 3 /* pw */
        start local 3 // java.io.PrintWriter pw
         2: .line 111
            aload 1 /* lines */
            invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
            astore 5
            goto 5
      StackMap locals: java.lang.String java.lang.Iterable java.io.File java.io.PrintWriter top java.util.Iterator
      StackMap stack:
         3: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 4 /* l */
        start local 4 // java.lang.String l
         4: .line 112
            aload 3 /* pw */
            aload 4 /* l */
            invokevirtual java.io.PrintWriter.println:(Ljava/lang/String;)V
        end local 4 // java.lang.String l
         5: .line 111
      StackMap locals:
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         6: .line 114
            aload 3 /* pw */
            invokevirtual java.io.PrintWriter.close:()V
         7: .line 115
            aload 2 /* file */
            invokevirtual java.io.File.getAbsolutePath:()Ljava/lang/String;
            areturn
        end local 3 // java.io.PrintWriter pw
        end local 2 // java.io.File file
        end local 1 // java.lang.Iterable lines
        end local 0 // java.lang.String suffix
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0  suffix  Ljava/lang/String;
            0    8     1   lines  Ljava/lang/Iterable<Ljava/lang/String;>;
            1    8     2    file  Ljava/io/File;
            2    8     3      pw  Ljava/io/PrintWriter;
            4    5     4       l  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/lang/String;Ljava/lang/Iterable<Ljava/lang/String;>;)Ljava/lang/String;
    MethodParameters:
        Name  Flags
      suffix  
      lines   

  public static java.util.Collection<java.lang.String> tail(java.io.File, int);
    descriptor: (Ljava/io/File;I)Ljava/util/Collection;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=9, args_size=2
        start local 0 // java.io.File file
        start local 1 // int num
         0: .line 119
            aconst_null
            astore 2
            aconst_null
            astore 3
         1: new java.io.FileInputStream
            dup
            aload 0 /* file */
            invokespecial java.io.FileInputStream.<init>:(Ljava/io/File;)V
            astore 4 /* fis */
        start local 4 // java.io.FileInputStream fis
         2: .line 120
            new java.io.InputStreamReader
            dup
            aload 4 /* fis */
            invokespecial java.io.InputStreamReader.<init>:(Ljava/io/InputStream;)V
            astore 5 /* is */
        start local 5 // java.io.InputStreamReader is
         3: .line 121
            new java.io.BufferedReader
            dup
            aload 5 /* is */
            invokespecial java.io.BufferedReader.<init>:(Ljava/io/Reader;)V
            astore 6 /* reader */
        start local 6 // java.io.BufferedReader reader
         4: .line 122
            new java.util.LinkedList
            dup
            invokespecial java.util.LinkedList.<init>:()V
            astore 7 /* lines */
        start local 7 // java.util.LinkedList lines
         5: .line 124
            goto 9
        start local 8 // java.lang.String line
         6: .line 125
      StackMap locals: java.io.File int java.lang.Throwable java.lang.Throwable java.io.FileInputStream java.io.InputStreamReader java.io.BufferedReader java.util.LinkedList java.lang.String
      StackMap stack:
            aload 7 /* lines */
            aload 8 /* line */
            invokevirtual java.util.LinkedList.add:(Ljava/lang/Object;)Z
            pop
         7: .line 126
            aload 7 /* lines */
            invokevirtual java.util.LinkedList.size:()I
            iload 1 /* num */
            if_icmple 9
         8: .line 127
            aload 7 /* lines */
            iconst_0
            invokevirtual java.util.LinkedList.remove:(I)Ljava/lang/Object;
            pop
        end local 8 // java.lang.String line
         9: .line 124
      StackMap locals:
      StackMap stack:
            aload 6 /* reader */
            invokevirtual java.io.BufferedReader.readLine:()Ljava/lang/String;
            dup
            astore 8 /* line */
        start local 8 // java.lang.String line
        10: ifnonnull 6
        11: .line 130
            aload 7 /* lines */
        12: .line 131
            aload 6 /* reader */
            ifnull 13
            aload 6 /* reader */
            invokevirtual java.io.BufferedReader.close:()V
      StackMap locals: java.io.File int java.lang.Throwable java.lang.Throwable java.io.FileInputStream java.io.InputStreamReader java.io.BufferedReader java.util.LinkedList java.lang.String
      StackMap stack: java.util.LinkedList
        13: aload 5 /* is */
            ifnull 14
            aload 5 /* is */
            invokevirtual java.io.InputStreamReader.close:()V
      StackMap locals:
      StackMap stack: java.util.LinkedList
        14: aload 4 /* fis */
            ifnull 15
            aload 4 /* fis */
            invokevirtual java.io.FileInputStream.close:()V
        15: .line 130
      StackMap locals:
      StackMap stack: java.util.LinkedList
            areturn
        end local 8 // java.lang.String line
        end local 7 // java.util.LinkedList lines
      StackMap locals: java.io.File int java.lang.Throwable java.lang.Throwable java.io.FileInputStream java.io.InputStreamReader java.io.BufferedReader
      StackMap stack: java.lang.Throwable
        16: astore 2
        17: .line 131
            aload 6 /* reader */
            ifnull 18
            aload 6 /* reader */
            invokevirtual java.io.BufferedReader.close:()V
        end local 6 // java.io.BufferedReader reader
      StackMap locals:
      StackMap stack:
        18: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        19: astore 3
            aload 2
            ifnonnull 20
            aload 3
            astore 2
            goto 21
      StackMap locals:
      StackMap stack:
        20: aload 2
            aload 3
            if_acmpeq 21
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        21: aload 5 /* is */
            ifnull 22
            aload 5 /* is */
            invokevirtual java.io.InputStreamReader.close:()V
        end local 5 // java.io.InputStreamReader is
      StackMap locals:
      StackMap stack:
        22: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        23: astore 3
            aload 2
            ifnonnull 24
            aload 3
            astore 2
            goto 25
      StackMap locals:
      StackMap stack:
        24: aload 2
            aload 3
            if_acmpeq 25
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        25: aload 4 /* fis */
            ifnull 26
            aload 4 /* fis */
            invokevirtual java.io.FileInputStream.close:()V
        end local 4 // java.io.FileInputStream fis
      StackMap locals:
      StackMap stack:
        26: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        27: astore 3
            aload 2
            ifnonnull 28
            aload 3
            astore 2
            goto 29
      StackMap locals:
      StackMap stack:
        28: aload 2
            aload 3
            if_acmpeq 29
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        29: aload 2
            athrow
        end local 1 // int num
        end local 0 // java.io.File file
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   30     0    file  Ljava/io/File;
            0   30     1     num  I
            2   26     4     fis  Ljava/io/FileInputStream;
            3   22     5      is  Ljava/io/InputStreamReader;
            4   18     6  reader  Ljava/io/BufferedReader;
            5   16     7   lines  Ljava/util/LinkedList<Ljava/lang/String;>;
            6    9     8    line  Ljava/lang/String;
           10   16     8    line  Ljava/lang/String;
      Exception table:
        from    to  target  type
           4    12      16  any
           3    13      19  any
          16    19      19  any
           2    14      23  any
          16    23      23  any
           1    15      27  any
          16    27      27  any
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/io/File;I)Ljava/util/Collection<Ljava/lang/String;>;
    MethodParameters:
      Name  Flags
      file  
      num   

  public static java.util.Collection<java.lang.String> readAllLines(java.io.Reader);
    descriptor: (Ljava/io/Reader;)Ljava/util/Collection;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // java.io.Reader src
         0: .line 135
            new java.io.BufferedReader
            dup
            aload 0 /* src */
            invokespecial java.io.BufferedReader.<init>:(Ljava/io/Reader;)V
            astore 1 /* reader */
        start local 1 // java.io.BufferedReader reader
         1: .line 136
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 2 /* lines */
        start local 2 // java.util.List lines
         2: .line 138
            goto 4
        start local 3 // java.lang.String line
         3: .line 139
      StackMap locals: java.io.BufferedReader java.util.List java.lang.String
      StackMap stack:
            aload 2 /* lines */
            aload 3 /* line */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 3 // java.lang.String line
         4: .line 138
      StackMap locals:
      StackMap stack:
            aload 1 /* reader */
            invokevirtual java.io.BufferedReader.readLine:()Ljava/lang/String;
            dup
            astore 3 /* line */
        start local 3 // java.lang.String line
         5: ifnonnull 3
         6: .line 141
            aload 2 /* lines */
            areturn
        end local 3 // java.lang.String line
        end local 2 // java.util.List lines
        end local 1 // java.io.BufferedReader reader
        end local 0 // java.io.Reader src
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0     src  Ljava/io/Reader;
            1    7     1  reader  Ljava/io/BufferedReader;
            2    7     2   lines  Ljava/util/List<Ljava/lang/String;>;
            3    4     3    line  Ljava/lang/String;
            5    7     3    line  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/io/Reader;)Ljava/util/Collection<Ljava/lang/String;>;
    MethodParameters:
      Name  Flags
      src   

  public static java.util.Collection<java.lang.String> readAllLines(java.io.File);
    descriptor: (Ljava/io/File;)Ljava/util/Collection;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // java.io.File file
         0: .line 145
            aconst_null
            astore 1
            aconst_null
            astore 2
         1: new java.io.FileReader
            dup
            aload 0 /* file */
            invokespecial java.io.FileReader.<init>:(Ljava/io/File;)V
            astore 3 /* fr */
        start local 3 // java.io.FileReader fr
         2: .line 146
            aload 3 /* fr */
            invokestatic org.openjdk.jmh.util.FileUtils.readAllLines:(Ljava/io/Reader;)Ljava/util/Collection;
         3: .line 147
            aload 3 /* fr */
            ifnull 4
            aload 3 /* fr */
            invokevirtual java.io.FileReader.close:()V
         4: .line 146
      StackMap locals: java.io.File java.lang.Throwable java.lang.Throwable java.io.FileReader
      StackMap stack: java.util.Collection
            areturn
      StackMap locals:
      StackMap stack: java.lang.Throwable
         5: astore 1
         6: .line 147
            aload 3 /* fr */
            ifnull 7
            aload 3 /* fr */
            invokevirtual java.io.FileReader.close:()V
        end local 3 // java.io.FileReader fr
      StackMap locals:
      StackMap stack:
         7: aload 1
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
         8: astore 2
            aload 1
            ifnonnull 9
            aload 2
            astore 1
            goto 10
      StackMap locals:
      StackMap stack:
         9: aload 1
            aload 2
            if_acmpeq 10
            aload 1
            aload 2
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        10: aload 1
            athrow
        end local 0 // java.io.File file
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  file  Ljava/io/File;
            2    7     3    fr  Ljava/io/FileReader;
      Exception table:
        from    to  target  type
           2     3       5  any
           1     4       8  any
           5     8       8  any
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/io/File;)Ljava/util/Collection<Ljava/lang/String;>;
    MethodParameters:
      Name  Flags
      file  

  public static java.util.Collection<java.lang.String> readAllLines(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)Ljava/util/Collection;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=6, args_size=1
        start local 0 // java.io.InputStream stream
         0: .line 151
            aconst_null
            astore 1
            aconst_null
            astore 2
         1: new java.io.InputStreamReader
            dup
            aload 0 /* stream */
            invokespecial java.io.InputStreamReader.<init>:(Ljava/io/InputStream;)V
            astore 3 /* reader */
        start local 3 // java.io.InputStreamReader reader
         2: .line 152
            aload 3 /* reader */
            invokestatic org.openjdk.jmh.util.FileUtils.readAllLines:(Ljava/io/Reader;)Ljava/util/Collection;
            astore 5
         3: .line 153
            aload 3 /* reader */
            ifnull 4
            aload 3 /* reader */
            invokevirtual java.io.InputStreamReader.close:()V
         4: .line 154
      StackMap locals: java.io.InputStream java.lang.Throwable java.lang.Throwable java.io.InputStreamReader top java.util.Collection
      StackMap stack:
            aload 0 /* stream */
            invokestatic org.openjdk.jmh.util.FileUtils.safelyClose:(Ljava/io/Closeable;)V
         5: .line 152
            aload 5
            areturn
      StackMap locals: java.io.InputStream java.lang.Throwable java.lang.Throwable java.io.InputStreamReader
      StackMap stack: java.lang.Throwable
         6: astore 1
         7: .line 153
            aload 3 /* reader */
            ifnull 8
            aload 3 /* reader */
            invokevirtual java.io.InputStreamReader.close:()V
        end local 3 // java.io.InputStreamReader reader
      StackMap locals:
      StackMap stack:
         8: aload 1
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
         9: astore 2
            aload 1
            ifnonnull 10
            aload 2
            astore 1
            goto 11
      StackMap locals:
      StackMap stack:
        10: aload 1
            aload 2
            if_acmpeq 11
            aload 1
            aload 2
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        11: aload 1
            athrow
      StackMap locals: java.io.InputStream
      StackMap stack: java.lang.Throwable
        12: astore 4
        13: .line 154
            aload 0 /* stream */
            invokestatic org.openjdk.jmh.util.FileUtils.safelyClose:(Ljava/io/Closeable;)V
        14: .line 155
            aload 4
            athrow
        end local 0 // java.io.InputStream stream
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   15     0  stream  Ljava/io/InputStream;
            2    8     3  reader  Ljava/io/InputStreamReader;
      Exception table:
        from    to  target  type
           2     3       6  any
           1     4       9  any
           6     9       9  any
           0     4      12  any
           6    12      12  any
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/io/InputStream;)Ljava/util/Collection<Ljava/lang/String;>;
    MethodParameters:
        Name  Flags
      stream  

  public static void writeLines(java.io.File, java.util.Collection<java.lang.String>);
    descriptor: (Ljava/io/File;Ljava/util/Collection;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=7, args_size=2
        start local 0 // java.io.File file
        start local 1 // java.util.Collection lines
         0: .line 159
            aconst_null
            astore 2
            aconst_null
            astore 3
         1: new java.io.PrintWriter
            dup
            aload 0 /* file */
            invokespecial java.io.PrintWriter.<init>:(Ljava/io/File;)V
            astore 4 /* pw */
        start local 4 // java.io.PrintWriter pw
         2: .line 160
            aload 1 /* lines */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 6
            goto 5
      StackMap locals: java.io.File java.util.Collection java.lang.Throwable java.lang.Throwable java.io.PrintWriter top java.util.Iterator
      StackMap stack:
         3: aload 6
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 5 /* line */
        start local 5 // java.lang.String line
         4: .line 161
            aload 4 /* pw */
            aload 5 /* line */
            invokevirtual java.io.PrintWriter.println:(Ljava/lang/String;)V
        end local 5 // java.lang.String line
         5: .line 160
      StackMap locals:
      StackMap stack:
            aload 6
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         6: .line 163
            aload 4 /* pw */
            invokevirtual java.io.PrintWriter.close:()V
         7: .line 164
            aload 4 /* pw */
            ifnull 13
            aload 4 /* pw */
            invokevirtual java.io.PrintWriter.close:()V
            goto 13
      StackMap locals: java.io.File java.util.Collection java.lang.Throwable java.lang.Throwable java.io.PrintWriter
      StackMap stack: java.lang.Throwable
         8: astore 2
            aload 4 /* pw */
            ifnull 9
            aload 4 /* pw */
            invokevirtual java.io.PrintWriter.close:()V
        end local 4 // java.io.PrintWriter pw
      StackMap locals:
      StackMap stack:
         9: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        10: astore 3
            aload 2
            ifnonnull 11
            aload 3
            astore 2
            goto 12
      StackMap locals:
      StackMap stack:
        11: aload 2
            aload 3
            if_acmpeq 12
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        12: aload 2
            athrow
        13: .line 165
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.util.Collection lines
        end local 0 // java.io.File file
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   14     0   file  Ljava/io/File;
            0   14     1  lines  Ljava/util/Collection<Ljava/lang/String;>;
            2    9     4     pw  Ljava/io/PrintWriter;
            4    5     5   line  Ljava/lang/String;
      Exception table:
        from    to  target  type
           2     7       8  any
           1    10      10  any
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/io/File;Ljava/util/Collection<Ljava/lang/String;>;)V
    MethodParameters:
       Name  Flags
      file   
      lines  

  public static void appendLines(java.io.File, java.util.Collection<java.lang.String>);
    descriptor: (Ljava/io/File;Ljava/util/Collection;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.io.File file
        start local 1 // java.util.Collection lines
         0: .line 168
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 2 /* newLines */
        start local 2 // java.util.Collection newLines
         1: .line 170
            aload 2 /* newLines */
            aload 0 /* file */
            invokestatic org.openjdk.jmh.util.FileUtils.readAllLines:(Ljava/io/File;)Ljava/util/Collection;
            invokeinterface java.util.Collection.addAll:(Ljava/util/Collection;)Z
            pop
         2: .line 171
            goto 4
      StackMap locals: java.io.File java.util.Collection java.util.Collection
      StackMap stack: java.io.IOException
         3: pop
         4: .line 174
      StackMap locals:
      StackMap stack:
            aload 2 /* newLines */
            aload 1 /* lines */
            invokeinterface java.util.Collection.addAll:(Ljava/util/Collection;)Z
            pop
         5: .line 175
            aload 0 /* file */
            aload 2 /* newLines */
            invokestatic org.openjdk.jmh.util.FileUtils.writeLines:(Ljava/io/File;Ljava/util/Collection;)V
         6: .line 176
            return
        end local 2 // java.util.Collection newLines
        end local 1 // java.util.Collection lines
        end local 0 // java.io.File file
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      file  Ljava/io/File;
            0    7     1     lines  Ljava/util/Collection<Ljava/lang/String;>;
            1    7     2  newLines  Ljava/util/Collection<Ljava/lang/String;>;
      Exception table:
        from    to  target  type
           1     2       3  Class java.io.IOException
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/io/File;Ljava/util/Collection<Ljava/lang/String;>;)V
    MethodParameters:
       Name  Flags
      file   
      lines  

  public static java.util.Collection<java.io.File> getClasses(java.io.File);
    descriptor: (Ljava/io/File;)Ljava/util/Collection;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=11, args_size=1
        start local 0 // java.io.File root
         0: .line 179
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 1 /* result */
        start local 1 // java.util.Collection result
         1: .line 181
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 2 /* newDirs */
        start local 2 // java.util.List newDirs
         2: .line 182
            aload 2 /* newDirs */
            aload 0 /* root */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         3: .line 183
            goto 21
         4: .line 184
      StackMap locals: java.util.Collection java.util.List
      StackMap stack:
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 3 /* add */
        start local 3 // java.util.List add
         5: .line 185
            aload 2 /* newDirs */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 5
            goto 18
      StackMap locals: java.io.File java.util.Collection java.util.List java.util.List top java.util.Iterator
      StackMap stack:
         6: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.io.File
            astore 4 /* dir */
        start local 4 // java.io.File dir
         7: .line 186
            aload 4 /* dir */
            invokevirtual java.io.File.listFiles:()[Ljava/io/File;
            astore 6 /* files */
        start local 6 // java.io.File[] files
         8: .line 187
            aload 6 /* files */
            ifnull 18
         9: .line 188
            aload 6 /* files */
            dup
            astore 10
            arraylength
            istore 9
            iconst_0
            istore 8
            goto 17
      StackMap locals: java.io.File java.util.Collection java.util.List java.util.List java.io.File java.util.Iterator java.io.File[] top int int java.io.File[]
      StackMap stack:
        10: aload 10
            iload 8
            aaload
            astore 7 /* f */
        start local 7 // java.io.File f
        11: .line 189
            aload 7 /* f */
            invokevirtual java.io.File.isDirectory:()Z
            ifeq 14
        12: .line 190
            aload 3 /* add */
            aload 7 /* f */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        13: .line 191
            goto 16
        14: .line 192
      StackMap locals: java.io.File java.util.Collection java.util.List java.util.List java.io.File java.util.Iterator java.io.File[] java.io.File int int java.io.File[]
      StackMap stack:
            aload 7 /* f */
            invokevirtual java.io.File.getName:()Ljava/lang/String;
            ldc ".class"
            invokevirtual java.lang.String.endsWith:(Ljava/lang/String;)Z
            ifeq 16
        15: .line 193
            aload 1 /* result */
            aload 7 /* f */
            invokeinterface java.util.Collection.add:(Ljava/lang/Object;)Z
            pop
        end local 7 // java.io.File f
        16: .line 188
      StackMap locals: java.io.File java.util.Collection java.util.List java.util.List java.io.File java.util.Iterator java.io.File[] top int int java.io.File[]
      StackMap stack:
            iinc 8 1
      StackMap locals:
      StackMap stack:
        17: iload 8
            iload 9
            if_icmplt 10
        end local 6 // java.io.File[] files
        end local 4 // java.io.File dir
        18: .line 185
      StackMap locals: java.io.File java.util.Collection java.util.List java.util.List top java.util.Iterator
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 6
        19: .line 199
            aload 2 /* newDirs */
            invokeinterface java.util.List.clear:()V
        20: .line 200
            aload 3 /* add */
            astore 2 /* newDirs */
        end local 3 // java.util.List add
        21: .line 183
      StackMap locals: java.io.File java.util.Collection java.util.List
      StackMap stack:
            aload 2 /* newDirs */
            invokeinterface java.util.List.isEmpty:()Z
            ifeq 4
        22: .line 203
            aload 1 /* result */
            areturn
        end local 2 // java.util.List newDirs
        end local 1 // java.util.Collection result
        end local 0 // java.io.File root
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   23     0     root  Ljava/io/File;
            1   23     1   result  Ljava/util/Collection<Ljava/io/File;>;
            2   23     2  newDirs  Ljava/util/List<Ljava/io/File;>;
            5   21     3      add  Ljava/util/List<Ljava/io/File;>;
            7   18     4      dir  Ljava/io/File;
            8   18     6    files  [Ljava/io/File;
           11   16     7        f  Ljava/io/File;
    Signature: (Ljava/io/File;)Ljava/util/Collection<Ljava/io/File;>;
    MethodParameters:
      Name  Flags
      root  

  public static void copy(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=8, args_size=2
        start local 0 // java.lang.String src
        start local 1 // java.lang.String dst
         0: .line 207
            aconst_null
            astore 2
            aconst_null
            astore 3
         1: new java.io.FileInputStream
            dup
            aload 0 /* src */
            invokespecial java.io.FileInputStream.<init>:(Ljava/lang/String;)V
            astore 4 /* fis */
        start local 4 // java.io.FileInputStream fis
         2: .line 208
            new java.io.FileOutputStream
            dup
            aload 1 /* dst */
            invokespecial java.io.FileOutputStream.<init>:(Ljava/lang/String;)V
            astore 5 /* fos */
        start local 5 // java.io.FileOutputStream fos
         3: .line 209
            sipush 8192
            newarray 8
            astore 6 /* buf */
        start local 6 // byte[] buf
         4: .line 211
            goto 6
        start local 7 // int read
         5: .line 212
      StackMap locals: java.lang.String java.lang.String java.lang.Throwable java.lang.Throwable java.io.FileInputStream java.io.FileOutputStream byte[] int
      StackMap stack:
            aload 5 /* fos */
            aload 6 /* buf */
            iconst_0
            iload 7 /* read */
            invokevirtual java.io.FileOutputStream.write:([BII)V
        end local 7 // int read
         6: .line 211
      StackMap locals:
      StackMap stack:
            aload 4 /* fis */
            aload 6 /* buf */
            invokevirtual java.io.FileInputStream.read:([B)I
            dup
            istore 7 /* read */
        start local 7 // int read
         7: iconst_m1
            if_icmpne 5
         8: .line 215
            aload 5 /* fos */
            invokevirtual java.io.FileOutputStream.close:()V
        end local 7 // int read
        end local 6 // byte[] buf
         9: .line 216
            aload 5 /* fos */
            ifnull 12
            aload 5 /* fos */
            invokevirtual java.io.FileOutputStream.close:()V
            goto 12
      StackMap locals: java.lang.String java.lang.String java.lang.Throwable java.lang.Throwable java.io.FileInputStream java.io.FileOutputStream
      StackMap stack: java.lang.Throwable
        10: astore 2
            aload 5 /* fos */
            ifnull 11
            aload 5 /* fos */
            invokevirtual java.io.FileOutputStream.close:()V
        end local 5 // java.io.FileOutputStream fos
      StackMap locals:
      StackMap stack:
        11: aload 2
            athrow
      StackMap locals:
      StackMap stack:
        12: aload 4 /* fis */
            ifnull 20
            aload 4 /* fis */
            invokevirtual java.io.FileInputStream.close:()V
            goto 20
      StackMap locals:
      StackMap stack: java.lang.Throwable
        13: astore 3
            aload 2
            ifnonnull 14
            aload 3
            astore 2
            goto 15
      StackMap locals:
      StackMap stack:
        14: aload 2
            aload 3
            if_acmpeq 15
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        15: aload 4 /* fis */
            ifnull 16
            aload 4 /* fis */
            invokevirtual java.io.FileInputStream.close:()V
        end local 4 // java.io.FileInputStream fis
      StackMap locals:
      StackMap stack:
        16: aload 2
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        17: astore 3
            aload 2
            ifnonnull 18
            aload 3
            astore 2
            goto 19
      StackMap locals:
      StackMap stack:
        18: aload 2
            aload 3
            if_acmpeq 19
            aload 2
            aload 3
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        19: aload 2
            athrow
        20: .line 217
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.lang.String dst
        end local 0 // java.lang.String src
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   21     0   src  Ljava/lang/String;
            0   21     1   dst  Ljava/lang/String;
            2   16     4   fis  Ljava/io/FileInputStream;
            3   11     5   fos  Ljava/io/FileOutputStream;
            4    9     6   buf  [B
            5    6     7  read  I
            7    9     7  read  I
      Exception table:
        from    to  target  type
           3     9      10  any
           2    12      13  any
           1    17      17  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      src   
      dst   

  public static <T extends java.io.Flushable, java.io.Closeable> void safelyClose();
    descriptor: (Ljava/io/Flushable;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.Flushable obj
         0: .line 220
            aload 0 /* obj */
            ifnull 7
         1: .line 222
            aload 0 /* obj */
            invokeinterface java.io.Flushable.flush:()V
         2: .line 223
            goto 4
      StackMap locals:
      StackMap stack: java.io.IOException
         3: pop
         4: .line 227
      StackMap locals:
      StackMap stack:
            aload 0 /* obj */
            checkcast java.io.Closeable
            invokeinterface java.io.Closeable.close:()V
         5: .line 228
            goto 7
      StackMap locals:
      StackMap stack: java.io.IOException
         6: pop
         7: .line 232
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.io.Flushable obj
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0   obj  TT;
      Exception table:
        from    to  target  type
           1     2       3  Class java.io.IOException
           4     5       6  Class java.io.IOException
    Signature: <T::Ljava/io/Flushable;:Ljava/io/Closeable;>(TT;)V
    MethodParameters:
      Name  Flags
      obj   

  public static <T extends java.io.Closeable> void safelyClose();
    descriptor: (Ljava/io/Closeable;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.Closeable obj
         0: .line 235
            aload 0 /* obj */
            ifnull 4
         1: .line 237
            aload 0 /* obj */
            invokeinterface java.io.Closeable.close:()V
         2: .line 238
            goto 4
      StackMap locals:
      StackMap stack: java.io.IOException
         3: pop
         4: .line 242
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.io.Closeable obj
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0   obj  TT;
      Exception table:
        from    to  target  type
           1     2       3  Class java.io.IOException
    Signature: <T::Ljava/io/Closeable;>(TT;)V
    MethodParameters:
      Name  Flags
      obj   

  public static void touch(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.lang.String f
         0: .line 245
            new java.io.File
            dup
            aload 0 /* f */
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            astore 1 /* file */
        start local 1 // java.io.File file
         1: .line 247
            aload 1 /* file */
            invokevirtual java.io.File.createNewFile:()Z
            ifne 2
            aload 1 /* file */
            invokevirtual java.io.File.canWrite:()Z
            ifeq 4
         2: .line 248
      StackMap locals: java.io.File
      StackMap stack:
            return
         3: .line 250
      StackMap locals:
      StackMap stack: java.io.IOException
            pop
         4: .line 253
      StackMap locals:
      StackMap stack:
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "The file is not writable: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* f */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.io.File file
        end local 0 // java.lang.String f
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0     f  Ljava/lang/String;
            1    5     1  file  Ljava/io/File;
      Exception table:
        from    to  target  type
           1     2       3  Class java.io.IOException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      f     
}
SourceFile: "FileUtils.java"