public class org.apache.logging.log4j.core.net.DatagramOutputStream extends java.io.OutputStream
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.apache.logging.log4j.core.net.DatagramOutputStream
super_class: java.io.OutputStream
{
protected static final org.apache.logging.log4j.Logger LOGGER;
descriptor: Lorg/apache/logging/log4j/Logger;
flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL
private static final int SHIFT_1;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 8
private static final int SHIFT_2;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 16
private static final int SHIFT_3;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 24
private java.net.DatagramSocket datagramSocket;
descriptor: Ljava/net/DatagramSocket;
flags: (0x0002) ACC_PRIVATE
private final java.net.InetAddress inetAddress;
descriptor: Ljava/net/InetAddress;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final int port;
descriptor: I
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private byte[] data;
descriptor: [B
flags: (0x0002) ACC_PRIVATE
private final byte[] ;
descriptor: [B
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final byte[] ;
descriptor: [B
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: invokestatic org.apache.logging.log4j.status.StatusLogger.getLogger:()Lorg/apache/logging/log4j/status/StatusLogger;
putstatic org.apache.logging.log4j.core.net.DatagramOutputStream.LOGGER:Lorg/apache/logging/log4j/Logger;
1: return
LocalVariableTable:
Start End Slot Name Signature
public void <init>(java.lang.String, int, byte[], byte[]);
descriptor: (Ljava/lang/String;I[B[B)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=7, args_size=5
start local 0 start local 1 start local 2 start local 3 start local 4 0: aload 0
invokespecial java.io.OutputStream.<init>:()V
1: aload 0
iload 2
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.port:I
2: aload 0
aload 3
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.header:[B
3: aload 0
aload 4
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.footer:[B
4: aload 0
aload 1
invokestatic java.net.InetAddress.getByName:(Ljava/lang/String;)Ljava/net/InetAddress;
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.inetAddress:Ljava/net/InetAddress;
5: goto 10
StackMap locals: org.apache.logging.log4j.core.net.DatagramOutputStream java.lang.String int byte[] byte[]
StackMap stack: java.net.UnknownHostException
6: astore 5
start local 5 7: new java.lang.StringBuilder
dup
ldc "Could not find host "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 1
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
astore 6
start local 6 8: getstatic org.apache.logging.log4j.core.net.DatagramOutputStream.LOGGER:Lorg/apache/logging/log4j/Logger;
aload 6
aload 5
invokeinterface org.apache.logging.log4j.Logger.error:(Ljava/lang/String;Ljava/lang/Throwable;)V
9: new org.apache.logging.log4j.core.appender.AppenderLoggingException
dup
aload 6
aload 5
invokespecial org.apache.logging.log4j.core.appender.AppenderLoggingException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
athrow
end local 6 end local 5 10: StackMap locals:
StackMap stack:
aload 0
new java.net.DatagramSocket
dup
invokespecial java.net.DatagramSocket.<init>:()V
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.datagramSocket:Ljava/net/DatagramSocket;
11: goto 16
StackMap locals:
StackMap stack: java.net.SocketException
12: astore 5
start local 5 13: new java.lang.StringBuilder
dup
ldc "Could not instantiate DatagramSocket to "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 1
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
astore 6
start local 6 14: getstatic org.apache.logging.log4j.core.net.DatagramOutputStream.LOGGER:Lorg/apache/logging/log4j/Logger;
aload 6
aload 5
invokeinterface org.apache.logging.log4j.Logger.error:(Ljava/lang/String;Ljava/lang/Throwable;)V
15: new org.apache.logging.log4j.core.appender.AppenderLoggingException
dup
aload 6
aload 5
invokespecial org.apache.logging.log4j.core.appender.AppenderLoggingException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
athrow
end local 6 end local 5 16: StackMap locals:
StackMap stack:
return
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 17 0 this Lorg/apache/logging/log4j/core/net/DatagramOutputStream;
0 17 1 host Ljava/lang/String;
0 17 2 port I
0 17 3 header [B
0 17 4 footer [B
7 10 5 ex Ljava/net/UnknownHostException;
8 10 6 msg Ljava/lang/String;
13 16 5 ex Ljava/net/SocketException;
14 16 6 msg Ljava/lang/String;
Exception table:
from to target type
4 5 6 Class java.net.UnknownHostException
10 11 12 Class java.net.SocketException
MethodParameters:
Name Flags
host final
port final
header final
footer final
public synchronized void write(byte[], int, int);
descriptor: ([BII)V
flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
Code:
stack=4, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
aload 1
iload 2
iload 3
invokevirtual org.apache.logging.log4j.core.net.DatagramOutputStream.copy:([BII)V
1: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/apache/logging/log4j/core/net/DatagramOutputStream;
0 2 1 bytes [B
0 2 2 offset I
0 2 3 length I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
bytes final
offset final
length final
public synchronized void write(int);
descriptor: (I)V
flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
Code:
stack=6, locals=2, args_size=2
start local 0 start local 1 0: aload 0
iconst_4
newarray 8
dup
iconst_0
iload 1
bipush 24
iushr
i2b
bastore
dup
iconst_1
iload 1
bipush 16
iushr
i2b
bastore
dup
iconst_2
iload 1
bipush 8
iushr
i2b
bastore
dup
iconst_3
iload 1
i2b
bastore
iconst_0
iconst_4
invokevirtual org.apache.logging.log4j.core.net.DatagramOutputStream.copy:([BII)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/apache/logging/log4j/core/net/DatagramOutputStream;
0 2 1 i I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
i final
public synchronized void write(byte[]);
descriptor: ([B)V
flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
iconst_0
aload 1
arraylength
invokevirtual org.apache.logging.log4j.core.net.DatagramOutputStream.copy:([BII)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/apache/logging/log4j/core/net/DatagramOutputStream;
0 2 1 bytes [B
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
bytes final
public synchronized void flush();
descriptor: ()V
flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
Code:
stack=6, locals=3, args_size=1
start local 0 0: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
ifnull 11
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.datagramSocket:Ljava/net/DatagramSocket;
ifnull 11
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.inetAddress:Ljava/net/InetAddress;
ifnull 11
1: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.footer:[B
ifnull 3
2: aload 0
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.footer:[B
iconst_0
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.footer:[B
arraylength
invokevirtual org.apache.logging.log4j.core.net.DatagramOutputStream.copy:([BII)V
3: StackMap locals:
StackMap stack:
new java.net.DatagramPacket
dup
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
arraylength
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.inetAddress:Ljava/net/InetAddress;
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.port:I
invokespecial java.net.DatagramPacket.<init>:([BILjava/net/InetAddress;I)V
astore 1
start local 1 4: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.datagramSocket:Ljava/net/DatagramSocket;
aload 1
invokevirtual java.net.DatagramSocket.send:(Ljava/net/DatagramPacket;)V
end local 1 5: goto 11
StackMap locals:
StackMap stack: java.lang.Throwable
6: astore 2
7: aload 0
aconst_null
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
8: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.header:[B
ifnull 10
9: aload 0
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.header:[B
iconst_0
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.header:[B
arraylength
invokevirtual org.apache.logging.log4j.core.net.DatagramOutputStream.copy:([BII)V
10: StackMap locals: org.apache.logging.log4j.core.net.DatagramOutputStream top java.lang.Throwable
StackMap stack:
aload 2
athrow
11: StackMap locals: org.apache.logging.log4j.core.net.DatagramOutputStream
StackMap stack:
aload 0
aconst_null
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
12: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.header:[B
ifnull 14
13: aload 0
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.header:[B
iconst_0
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.header:[B
arraylength
invokevirtual org.apache.logging.log4j.core.net.DatagramOutputStream.copy:([BII)V
14: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 15 0 this Lorg/apache/logging/log4j/core/net/DatagramOutputStream;
4 5 1 packet Ljava/net/DatagramPacket;
Exception table:
from to target type
0 6 6 any
Exceptions:
throws java.io.IOException
public synchronized void close();
descriptor: ()V
flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.datagramSocket:Ljava/net/DatagramSocket;
ifnull 5
1: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
ifnull 3
2: aload 0
invokevirtual org.apache.logging.log4j.core.net.DatagramOutputStream.flush:()V
3: StackMap locals:
StackMap stack:
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.datagramSocket:Ljava/net/DatagramSocket;
invokevirtual java.net.DatagramSocket.close:()V
4: aload 0
aconst_null
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.datagramSocket:Ljava/net/DatagramSocket;
5: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lorg/apache/logging/log4j/core/net/DatagramOutputStream;
Exceptions:
throws java.io.IOException
private void copy(byte[], int, int);
descriptor: ([BII)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=6, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
ifnonnull 1
iconst_0
goto 2
StackMap locals:
StackMap stack:
1: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
arraylength
StackMap locals:
StackMap stack: int
2: istore 4
start local 4 3: iload 3
iload 4
iadd
newarray 8
astore 5
start local 5 4: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
ifnull 6
5: aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
iconst_0
aload 5
iconst_0
aload 0
getfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
arraylength
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
6: StackMap locals: int byte[]
StackMap stack:
aload 1
iload 2
aload 5
iload 4
iload 3
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
7: aload 0
aload 5
putfield org.apache.logging.log4j.core.net.DatagramOutputStream.data:[B
8: return
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lorg/apache/logging/log4j/core/net/DatagramOutputStream;
0 9 1 bytes [B
0 9 2 offset I
0 9 3 length I
3 9 4 index I
4 9 5 copy [B
MethodParameters:
Name Flags
bytes final
offset final
length final
}
SourceFile: "DatagramOutputStream.java"