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 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 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 start local 1 0: aload 0
ldc "No input File specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
1: aload 1
ldc "No output File specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
2: aload 0
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
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 end local 0 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 start local 1 0: aload 0
ldc "No input byte array specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
1: aload 1
ldc "No output File specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
2: new java.io.ByteArrayInputStream
dup
aload 0
invokespecial java.io.ByteArrayInputStream.<init>:([B)V
aload 1
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: return
end local 1 end local 0 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 0: aload 0
ldc "No input File specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
1: aload 0
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 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 start local 1 0: aload 0
ldc "No InputStream specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
1: aload 1
ldc "No OutputStream specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
2: aload 0
aload 1
invokestatic org.springframework.util.StreamUtils.copy:(Ljava/io/InputStream;Ljava/io/OutputStream;)I
istore 3
3: aload 0
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
4: aload 1
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
5: iload 3
ireturn
6: StackMap locals:
StackMap stack: java.lang.Throwable
astore 2
7: aload 0
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
8: aload 1
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
9: aload 2
athrow
end local 1 end local 0 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 start local 1 0: aload 0
ldc "No input byte array specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
1: aload 1
ldc "No OutputStream specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
2: aload 1
aload 0
invokevirtual java.io.OutputStream.write:([B)V
3: goto 7
4: StackMap locals:
StackMap stack: java.lang.Throwable
astore 2
5: aload 1
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
6: aload 2
athrow
7: StackMap locals:
StackMap stack:
aload 1
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
8: return
end local 1 end local 0 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 0: aload 0
ifnonnull 2
1: iconst_0
newarray 8
areturn
2: StackMap locals:
StackMap stack:
new java.io.ByteArrayOutputStream
dup
sipush 4096
invokespecial java.io.ByteArrayOutputStream.<init>:(I)V
astore 1
start local 1 3: aload 0
aload 1
invokestatic org.springframework.util.FileCopyUtils.copy:(Ljava/io/InputStream;Ljava/io/OutputStream;)I
pop
4: aload 1
invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
areturn
end local 1 end local 0 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 start local 1 0: aload 0
ldc "No Reader specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
1: aload 1
ldc "No Writer specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
2: iconst_0
istore 2
start local 2 3: sipush 4096
newarray 5
astore 3
start local 3 4: goto 7
start local 4 5: StackMap locals: int char[] int
StackMap stack:
aload 1
aload 3
iconst_0
iload 4
invokevirtual java.io.Writer.write:([CII)V
6: iload 2
iload 4
iadd
istore 2
end local 4 7: StackMap locals:
StackMap stack:
aload 0
aload 3
invokevirtual java.io.Reader.read:([C)I
dup
istore 4
start local 4 8: iconst_m1
if_icmpne 5
9: aload 1
invokevirtual java.io.Writer.flush:()V
10: iload 2
istore 6
11: aload 0
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
12: aload 1
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
13: iload 6
ireturn
end local 4 end local 3 end local 2 14: StackMap locals: java.io.Reader java.io.Writer
StackMap stack: java.lang.Throwable
astore 5
15: aload 0
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
16: aload 1
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
17: aload 5
athrow
end local 1 end local 0 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 start local 1 0: aload 0
ldc "No input String specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
1: aload 1
ldc "No Writer specified"
invokestatic org.springframework.util.Assert.notNull:(Ljava/lang/Object;Ljava/lang/String;)V
2: aload 1
aload 0
invokevirtual java.io.Writer.write:(Ljava/lang/String;)V
3: goto 7
4: StackMap locals:
StackMap stack: java.lang.Throwable
astore 2
5: aload 1
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
6: aload 2
athrow
7: StackMap locals:
StackMap stack:
aload 1
invokestatic org.springframework.util.FileCopyUtils.close:(Ljava/io/Closeable;)V
8: return
end local 1 end local 0 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 0: aload 0
ifnonnull 2
1: ldc ""
areturn
2: StackMap locals:
StackMap stack:
new java.io.StringWriter
dup
sipush 4096
invokespecial java.io.StringWriter.<init>:(I)V
astore 1
start local 1 3: aload 0
aload 1
invokestatic org.springframework.util.FileCopyUtils.copy:(Ljava/io/Reader;Ljava/io/Writer;)I
pop
4: aload 1
invokevirtual java.io.StringWriter.toString:()Ljava/lang/String;
areturn
end local 1 end local 0 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 0: aload 0
invokeinterface java.io.Closeable.close:()V
1: goto 3
2: StackMap locals:
StackMap stack: java.io.IOException
pop
3: StackMap locals:
StackMap stack:
return
end local 0 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"