public abstract class org.springframework.util.FileCopyUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.springframework.util.FileCopyUtils
  super_class: java.lang.Object
{
  public static final int BUFFER_SIZE;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 4096

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.util.FileCopyUtils this
         0: .line 46
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.springframework.util.FileCopyUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/util/FileCopyUtils;

  public static int copy(java.io.File, java.io.File);
    descriptor: (Ljava/io/File;Ljava/io/File;)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // java.io.File in
        start local 1 // java.io.File out
         0: .line 66
            aload 0 /* in */
            ldc "No input File specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         1: .line 67
            aload 1 /* out */
            ldc "No output File specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         2: .line 68
            aload 0 /* in */
            invokevirtual java.io.File.toPath:()Ljava/nio/file/Path;
            iconst_0
            anewarray java.nio.file.OpenOption
            invokestatic java.nio.file.Files.newInputStream:(Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/io/InputStream;
            aload 1 /* out */
            invokevirtual java.io.File.toPath:()Ljava/nio/file/Path;
            iconst_0
            anewarray java.nio.file.OpenOption
            invokestatic java.nio.file.Files.newOutputStream:(Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/io/OutputStream;
            invokestatic org.springframework.util.FileCopyUtils.copy:(Ljava/io/InputStream;Ljava/io/OutputStream;)I
            ireturn
        end local 1 // java.io.File out
        end local 0 // java.io.File in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0    in  Ljava/io/File;
            0    3     1   out  Ljava/io/File;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      in    
      out   

  public static void copy(byte[], java.io.File);
    descriptor: ([BLjava/io/File;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // byte[] in
        start local 1 // java.io.File out
         0: .line 78
            aload 0 /* in */
            ldc "No input byte array specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         1: .line 79
            aload 1 /* out */
            ldc "No output File specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         2: .line 80
            new java.io.ByteArrayInputStream
            dup
            aload 0 /* in */
            invokespecial java.io.ByteArrayInputStream.<init>:([B)V
            aload 1 /* out */
            invokevirtual java.io.File.toPath:()Ljava/nio/file/Path;
            iconst_0
            anewarray java.nio.file.OpenOption
            invokestatic java.nio.file.Files.newOutputStream:(Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/io/OutputStream;
            invokestatic org.springframework.util.FileCopyUtils.copy:(Ljava/io/InputStream;Ljava/io/OutputStream;)I
            pop
         3: .line 81
            return
        end local 1 // java.io.File out
        end local 0 // byte[] in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0    in  [B
            0    4     1   out  Ljava/io/File;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      in    
      out   

  public static byte[] copyToByteArray(java.io.File);
    descriptor: (Ljava/io/File;)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.io.File in
         0: .line 90
            aload 0 /* in */
            ldc "No input File specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         1: .line 91
            aload 0 /* in */
            invokevirtual java.io.File.toPath:()Ljava/nio/file/Path;
            iconst_0
            anewarray java.nio.file.OpenOption
            invokestatic java.nio.file.Files.newInputStream:(Ljava/nio/file/Path;[Ljava/nio/file/OpenOption;)Ljava/io/InputStream;
            invokestatic org.springframework.util.FileCopyUtils.copyToByteArray:(Ljava/io/InputStream;)[B
            areturn
        end local 0 // java.io.File in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0    in  Ljava/io/File;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      in    

  public static int copy(java.io.InputStream, java.io.OutputStream);
    descriptor: (Ljava/io/InputStream;Ljava/io/OutputStream;)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // java.io.InputStream in
        start local 1 // java.io.OutputStream out
         0: .line 108
            aload 0 /* in */
            ldc "No InputStream specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         1: .line 109
            aload 1 /* out */
            ldc "No OutputStream specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         2: .line 112
            aload 0 /* in */
            aload 1 /* out */
            invokestatic org.springframework.util.StreamUtils.copy:(Ljava/io/InputStream;Ljava/io/OutputStream;)I
            istore 3
         3: .line 115
            aload 0 /* in */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
         4: .line 116
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
         5: .line 112
            iload 3
            ireturn
         6: .line 114
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 2
         7: .line 115
            aload 0 /* in */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
         8: .line 116
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
         9: .line 117
            aload 2
            athrow
        end local 1 // java.io.OutputStream out
        end local 0 // java.io.InputStream in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0    in  Ljava/io/InputStream;
            0   10     1   out  Ljava/io/OutputStream;
      Exception table:
        from    to  target  type
           2     3       6  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      in    
      out   

  public static void copy(byte[], java.io.OutputStream);
    descriptor: ([BLjava/io/OutputStream;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // byte[] in
        start local 1 // java.io.OutputStream out
         0: .line 128
            aload 0 /* in */
            ldc "No input byte array specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         1: .line 129
            aload 1 /* out */
            ldc "No OutputStream specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         2: .line 132
            aload 1 /* out */
            aload 0 /* in */
            invokevirtual java.io.OutputStream.write:([B)V
         3: .line 133
            goto 7
         4: .line 134
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 2
         5: .line 135
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
         6: .line 136
            aload 2
            athrow
         7: .line 135
      StackMap locals:
      StackMap stack:
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
         8: .line 137
            return
        end local 1 // java.io.OutputStream out
        end local 0 // byte[] in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0    in  [B
            0    9     1   out  Ljava/io/OutputStream;
      Exception table:
        from    to  target  type
           2     4       4  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      in    
      out   

  public static byte[] copyToByteArray(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)[B
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.io.InputStream in
         0: .line 147
            aload 0 /* in */
            ifnonnull 2
         1: .line 148
            iconst_0
            newarray 8
            areturn
         2: .line 151
      StackMap locals:
      StackMap stack:
            new java.io.ByteArrayOutputStream
            dup
            sipush 4096
            invokespecial java.io.ByteArrayOutputStream.<init>:(I)V
            astore 1 /* out */
        start local 1 // java.io.ByteArrayOutputStream out
         3: .line 152
            aload 0 /* in */
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.copy:(Ljava/io/InputStream;Ljava/io/OutputStream;)I
            pop
         4: .line 153
            aload 1 /* out */
            invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
            areturn
        end local 1 // java.io.ByteArrayOutputStream out
        end local 0 // java.io.InputStream in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0    in  Ljava/io/InputStream;
            3    5     1   out  Ljava/io/ByteArrayOutputStream;
    Exceptions:
      throws java.io.IOException
    RuntimeVisibleParameterAnnotations: 
      0:
        org.springframework.lang.Nullable()
    MethodParameters:
      Name  Flags
      in    

  public static int copy(java.io.Reader, java.io.Writer);
    descriptor: (Ljava/io/Reader;Ljava/io/Writer;)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=7, args_size=2
        start local 0 // java.io.Reader in
        start local 1 // java.io.Writer out
         0: .line 170
            aload 0 /* in */
            ldc "No Reader specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         1: .line 171
            aload 1 /* out */
            ldc "No Writer specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         2: .line 174
            iconst_0
            istore 2 /* charCount */
        start local 2 // int charCount
         3: .line 175
            sipush 4096
            newarray 5
            astore 3 /* buffer */
        start local 3 // char[] buffer
         4: .line 177
            goto 7
        start local 4 // int charsRead
         5: .line 178
      StackMap locals: int char[] int
      StackMap stack:
            aload 1 /* out */
            aload 3 /* buffer */
            iconst_0
            iload 4 /* charsRead */
            invokevirtual java.io.Writer.write:([CII)V
         6: .line 179
            iload 2 /* charCount */
            iload 4 /* charsRead */
            iadd
            istore 2 /* charCount */
        end local 4 // int charsRead
         7: .line 177
      StackMap locals:
      StackMap stack:
            aload 0 /* in */
            aload 3 /* buffer */
            invokevirtual java.io.Reader.read:([C)I
            dup
            istore 4 /* charsRead */
        start local 4 // int charsRead
         8: iconst_m1
            if_icmpne 5
         9: .line 181
            aload 1 /* out */
            invokevirtual java.io.Writer.flush:()V
        10: .line 182
            iload 2 /* charCount */
            istore 6
        11: .line 185
            aload 0 /* in */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
        12: .line 186
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
        13: .line 182
            iload 6
            ireturn
        end local 4 // int charsRead
        end local 3 // char[] buffer
        end local 2 // int charCount
        14: .line 184
      StackMap locals: java.io.Reader java.io.Writer
      StackMap stack: java.lang.Throwable
            astore 5
        15: .line 185
            aload 0 /* in */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
        16: .line 186
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
        17: .line 187
            aload 5
            athrow
        end local 1 // java.io.Writer out
        end local 0 // java.io.Reader in
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   18     0         in  Ljava/io/Reader;
            0   18     1        out  Ljava/io/Writer;
            3   14     2  charCount  I
            4   14     3     buffer  [C
            5    7     4  charsRead  I
            8   14     4  charsRead  I
      Exception table:
        from    to  target  type
           2    11      14  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      in    
      out   

  public static void copy(java.lang.String, java.io.Writer);
    descriptor: (Ljava/lang/String;Ljava/io/Writer;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // java.lang.String in
        start local 1 // java.io.Writer out
         0: .line 198
            aload 0 /* in */
            ldc "No input String specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         1: .line 199
            aload 1 /* out */
            ldc "No Writer specified"
            invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
         2: .line 202
            aload 1 /* out */
            aload 0 /* in */
            invokevirtual java.io.Writer.write:(Ljava/lang/String;)V
         3: .line 203
            goto 7
         4: .line 204
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 2
         5: .line 205
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
         6: .line 206
            aload 2
            athrow
         7: .line 205
      StackMap locals:
      StackMap stack:
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
         8: .line 207
            return
        end local 1 // java.io.Writer out
        end local 0 // java.lang.String in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0    in  Ljava/lang/String;
            0    9     1   out  Ljava/io/Writer;
      Exception table:
        from    to  target  type
           2     4       4  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      in    
      out   

  public static java.lang.String copyToString(java.io.Reader);
    descriptor: (Ljava/io/Reader;)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.io.Reader in
         0: .line 217
            aload 0 /* in */
            ifnonnull 2
         1: .line 218
            ldc ""
            areturn
         2: .line 221
      StackMap locals:
      StackMap stack:
            new java.io.StringWriter
            dup
            sipush 4096
            invokespecial java.io.StringWriter.<init>:(I)V
            astore 1 /* out */
        start local 1 // java.io.StringWriter out
         3: .line 222
            aload 0 /* in */
            aload 1 /* out */
            invokestatic org.springframework.util.FileCopyUtils.copy:(Ljava/io/Reader;Ljava/io/Writer;)I
            pop
         4: .line 223
            aload 1 /* out */
            invokevirtual java.io.StringWriter.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.io.StringWriter out
        end local 0 // java.io.Reader in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0    in  Ljava/io/Reader;
            3    5     1   out  Ljava/io/StringWriter;
    Exceptions:
      throws java.io.IOException
    RuntimeVisibleParameterAnnotations: 
      0:
        org.springframework.lang.Nullable()
    MethodParameters:
      Name  Flags
      in    

  private static void close(java.io.Closeable);
    descriptor: (Ljava/io/Closeable;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.io.Closeable closeable
         0: .line 233
            aload 0 /* closeable */
            invokeinterface java.io.Closeable.close:()V
         1: .line 234
            goto 3
         2: .line 235
      StackMap locals:
      StackMap stack: java.io.IOException
            pop
         3: .line 238
      StackMap locals:
      StackMap stack:
            return
        end local 0 // java.io.Closeable closeable
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    4     0  closeable  Ljava/io/Closeable;
      Exception table:
        from    to  target  type
           0     1       2  Class java.io.IOException
    MethodParameters:
           Name  Flags
      closeable  
}
SourceFile: "FileCopyUtils.java"