http://commons.apache.org/proper/commons-net/: Apache Commons Net library contains a collection of network utilities and protocol implementations. Supported protocols include: Echo, Finger, FTP, NNTP, NTP, POP3(S), SMTP(S), Telnet, Whois (The Apache Software Foundation)
  • Henrik Sorensen
  • Jeff Nadler
  • William Noto
  • Stephane ESTE-GRACIAS
  • Dan Armbrust
  • Yuval Kashtan
  • Joseph Hindsley
  • Rob Hasselbaum
  • Mario Ivankovits
  • Naz Irizarry (MITRE Corp)
  • Tapan Karecha
  • Jason Mathews (MITRE Corp)
  • Winston Ojeda (Quad/Graphics, Inc.)
  • Ted Wise
  • Bogdan Drozdowski
  • Jeffrey D. Brekke (Quad/Graphics, Inc.)
  • Steve Cohen (javactivity.org)
  • Bruno D'Avanzo (Hewlett-Packard)
  • Daniel F. Savarese (<a href="http://www.savarese.com/">Savarese Software Research</a>)
  • Rory Winston ()
  • Rory Winston () 
public final class org.apache.commons.net.tftp.TFTPDataPacket extends org.apache.commons.net.tftp.TFTPPacket
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.commons.net.tftp.TFTPDataPacket
  super_class: org.apache.commons.net.tftp.TFTPPacket
{
  public static final int MAX_DATA_LENGTH;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 512

  public static final int MIN_DATA_LENGTH;
    descriptor: I
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: 0

  int _blockNumber;
    descriptor: I
    flags: (0x0000) 

  int _length;
    descriptor: I
    flags: (0x0000) 

  int _offset;
    descriptor: I
    flags: (0x0000) 

  byte[] _data;
    descriptor: [B
    flags: (0x0000) 

  public void <init>(java.net.InetAddress, int, int, byte[], int, int);
    descriptor: (Ljava/net/InetAddress;II[BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=7, args_size=7
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
        start local 1 // java.net.InetAddress destination
        start local 2 // int port
        start local 3 // int blockNumber
        start local 4 // byte[] data
        start local 5 // int offset
        start local 6 // int length
         0: .line 82
            aload 0 /* this */
            iconst_3
            aload 1 /* destination */
            iload 2 /* port */
            invokespecial org.apache.commons.net.tftp.TFTPPacket.<init>:(ILjava/net/InetAddress;I)V
         1: .line 84
            aload 0 /* this */
            iload 3 /* blockNumber */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
         2: .line 85
            aload 0 /* this */
            aload 4 /* data */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
         3: .line 86
            aload 0 /* this */
            iload 5 /* offset */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._offset:I
         4: .line 88
            iload 6 /* length */
            sipush 512
            if_icmple 7
         5: .line 89
            aload 0 /* this */
            sipush 512
            putfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
         6: .line 90
            goto 8
         7: .line 91
      StackMap locals: org.apache.commons.net.tftp.TFTPDataPacket java.net.InetAddress int int byte[] int int
      StackMap stack:
            aload 0 /* this */
            iload 6 /* length */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
         8: .line 93
      StackMap locals:
      StackMap stack:
            return
        end local 6 // int length
        end local 5 // int offset
        end local 4 // byte[] data
        end local 3 // int blockNumber
        end local 2 // int port
        end local 1 // java.net.InetAddress destination
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    9     0         this  Lorg/apache/commons/net/tftp/TFTPDataPacket;
            0    9     1  destination  Ljava/net/InetAddress;
            0    9     2         port  I
            0    9     3  blockNumber  I
            0    9     4         data  [B
            0    9     5       offset  I
            0    9     6       length  I
    MethodParameters:
             Name  Flags
      destination  
      port         
      blockNumber  
      data         
      offset       
      length       

  public void <init>(java.net.InetAddress, int, int, byte[]);
    descriptor: (Ljava/net/InetAddress;II[B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=5, args_size=5
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
        start local 1 // java.net.InetAddress destination
        start local 2 // int port
        start local 3 // int blockNumber
        start local 4 // byte[] data
         0: .line 98
            aload 0 /* this */
            aload 1 /* destination */
            iload 2 /* port */
            iload 3 /* blockNumber */
            aload 4 /* data */
            iconst_0
            aload 4 /* data */
            arraylength
            invokespecial org.apache.commons.net.tftp.TFTPDataPacket.<init>:(Ljava/net/InetAddress;II[BII)V
         1: .line 99
            return
        end local 4 // byte[] data
        end local 3 // int blockNumber
        end local 2 // int port
        end local 1 // java.net.InetAddress destination
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lorg/apache/commons/net/tftp/TFTPDataPacket;
            0    2     1  destination  Ljava/net/InetAddress;
            0    2     2         port  I
            0    2     3  blockNumber  I
            0    2     4         data  [B
    MethodParameters:
             Name  Flags
      destination  
      port         
      blockNumber  
      data         

  void <init>(java.net.DatagramPacket);
    descriptor: (Ljava/net/DatagramPacket;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
        start local 1 // java.net.DatagramPacket datagram
         0: .line 113
            aload 0 /* this */
            iconst_3
            aload 1 /* datagram */
            invokevirtual java.net.DatagramPacket.getAddress:()Ljava/net/InetAddress;
            aload 1 /* datagram */
            invokevirtual java.net.DatagramPacket.getPort:()I
            invokespecial org.apache.commons.net.tftp.TFTPPacket.<init>:(ILjava/net/InetAddress;I)V
         1: .line 115
            aload 0 /* this */
            aload 1 /* datagram */
            invokevirtual java.net.DatagramPacket.getData:()[B
            putfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
         2: .line 116
            aload 0 /* this */
            iconst_4
            putfield org.apache.commons.net.tftp.TFTPDataPacket._offset:I
         3: .line 118
            aload 0 /* this */
            invokevirtual org.apache.commons.net.tftp.TFTPDataPacket.getType:()I
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
            iconst_1
            baload
            if_icmpeq 5
         4: .line 119
            new org.apache.commons.net.tftp.TFTPPacketException
            dup
            ldc "TFTP operator code does not match type."
            invokespecial org.apache.commons.net.tftp.TFTPPacketException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 122
      StackMap locals: org.apache.commons.net.tftp.TFTPDataPacket java.net.DatagramPacket
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
            iconst_2
            baload
            sipush 255
            iand
            bipush 8
            ishl
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
            iconst_3
            baload
            sipush 255
            iand
            ior
            putfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
         6: .line 124
            aload 0 /* this */
            aload 1 /* datagram */
            invokevirtual java.net.DatagramPacket.getLength:()I
            iconst_4
            isub
            putfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
         7: .line 126
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
            sipush 512
            if_icmple 9
         8: .line 127
            aload 0 /* this */
            sipush 512
            putfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
         9: .line 129
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.net.DatagramPacket datagram
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   10     0      this  Lorg/apache/commons/net/tftp/TFTPDataPacket;
            0   10     1  datagram  Ljava/net/DatagramPacket;
    Exceptions:
      throws org.apache.commons.net.tftp.TFTPPacketException
    MethodParameters:
          Name  Flags
      datagram  

  java.net.DatagramPacket _newDatagram(java.net.DatagramPacket, byte[]);
    descriptor: (Ljava/net/DatagramPacket;[B)Ljava/net/DatagramPacket;
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
        start local 1 // java.net.DatagramPacket datagram
        start local 2 // byte[] data
         0: .line 145
            aload 2 /* data */
            iconst_0
            iconst_0
            bastore
         1: .line 146
            aload 2 /* data */
            iconst_1
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._type:I
            i2b
            bastore
         2: .line 147
            aload 2 /* data */
            iconst_2
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
            ldc 65535
            iand
            bipush 8
            ishr
            i2b
            bastore
         3: .line 148
            aload 2 /* data */
            iconst_3
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
            sipush 255
            iand
            i2b
            bastore
         4: .line 151
            aload 2 /* data */
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
            if_acmpeq 6
         5: .line 152
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._offset:I
            aload 2 /* data */
            iconst_4
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 155
      StackMap locals:
      StackMap stack:
            aload 1 /* datagram */
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._address:Ljava/net/InetAddress;
            invokevirtual java.net.DatagramPacket.setAddress:(Ljava/net/InetAddress;)V
         7: .line 156
            aload 1 /* datagram */
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._port:I
            invokevirtual java.net.DatagramPacket.setPort:(I)V
         8: .line 157
            aload 1 /* datagram */
            aload 2 /* data */
            invokevirtual java.net.DatagramPacket.setData:([B)V
         9: .line 158
            aload 1 /* datagram */
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
            iconst_4
            iadd
            invokevirtual java.net.DatagramPacket.setLength:(I)V
        10: .line 160
            aload 1 /* datagram */
            areturn
        end local 2 // byte[] data
        end local 1 // java.net.DatagramPacket datagram
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   11     0      this  Lorg/apache/commons/net/tftp/TFTPDataPacket;
            0   11     1  datagram  Ljava/net/DatagramPacket;
            0   11     2      data  [B
    MethodParameters:
          Name  Flags
      datagram  
      data      

  public java.net.DatagramPacket newDatagram();
    descriptor: ()Ljava/net/DatagramPacket;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=1
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
         0: .line 180
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
            iconst_4
            iadd
            newarray 8
            astore 1 /* data */
        start local 1 // byte[] data
         1: .line 181
            aload 1 /* data */
            iconst_0
            iconst_0
            bastore
         2: .line 182
            aload 1 /* data */
            iconst_1
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._type:I
            i2b
            bastore
         3: .line 183
            aload 1 /* data */
            iconst_2
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
            ldc 65535
            iand
            bipush 8
            ishr
            i2b
            bastore
         4: .line 184
            aload 1 /* data */
            iconst_3
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
            sipush 255
            iand
            i2b
            bastore
         5: .line 186
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._offset:I
            aload 1 /* data */
            iconst_4
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 188
            new java.net.DatagramPacket
            dup
            aload 1 /* data */
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
            iconst_4
            iadd
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._address:Ljava/net/InetAddress;
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._port:I
            invokespecial java.net.DatagramPacket.<init>:([BILjava/net/InetAddress;I)V
            areturn
        end local 1 // byte[] data
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/commons/net/tftp/TFTPDataPacket;
            1    7     1  data  [B

  public int getBlockNumber();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
         0: .line 198
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
            ireturn
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/net/tftp/TFTPDataPacket;

  public void setBlockNumber(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
        start local 1 // int blockNumber
         0: .line 206
            aload 0 /* this */
            iload 1 /* blockNumber */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
         1: .line 207
            return
        end local 1 // int blockNumber
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lorg/apache/commons/net/tftp/TFTPDataPacket;
            0    2     1  blockNumber  I
    MethodParameters:
             Name  Flags
      blockNumber  

  public void setData(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
        start local 1 // byte[] data
        start local 2 // int offset
        start local 3 // int length
         0: .line 218
            aload 0 /* this */
            aload 1 /* data */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
         1: .line 219
            aload 0 /* this */
            iload 2 /* offset */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._offset:I
         2: .line 220
            aload 0 /* this */
            iload 3 /* length */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
         3: .line 222
            iload 3 /* length */
            sipush 512
            if_icmple 6
         4: .line 223
            aload 0 /* this */
            sipush 512
            putfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
         5: .line 224
            goto 7
         6: .line 225
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 3 /* length */
            putfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
         7: .line 227
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int length
        end local 2 // int offset
        end local 1 // byte[] data
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lorg/apache/commons/net/tftp/TFTPDataPacket;
            0    8     1    data  [B
            0    8     2  offset  I
            0    8     3  length  I
    MethodParameters:
        Name  Flags
      data    
      offset  
      length  

  public int getDataLength();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
         0: .line 236
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
            ireturn
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/net/tftp/TFTPDataPacket;

  public int getDataOffset();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
         0: .line 248
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._offset:I
            ireturn
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/net/tftp/TFTPDataPacket;

  public byte[] getData();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
         0: .line 258
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._data:[B
            areturn
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/net/tftp/TFTPDataPacket;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
         0: .line 267
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            invokespecial org.apache.commons.net.tftp.TFTPPacket.toString:()Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " DATA "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._blockNumber:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.commons.net.tftp.TFTPDataPacket._length:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // org.apache.commons.net.tftp.TFTPDataPacket this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/net/tftp/TFTPDataPacket;
}
SourceFile: "TFTPDataPacket.java"