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TFTPDataPacket (libcommons-net2-java API)
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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org.apache.commons.net.tftp</FONT>
<BR>
Class TFTPDataPacket</H2>
<PRE>
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html" title="class in org.apache.commons.net.tftp">org.apache.commons.net.tftp.TFTPPacket</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.commons.net.tftp.TFTPDataPacket</B>
</PRE>
<HR>
<DL>
<DT><PRE>public final class <B>TFTPDataPacket</B><DT>extends <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html" title="class in org.apache.commons.net.tftp">TFTPPacket</A></DL>
</PRE>
<P>
A final class derived from TFTPPacket definiing the TFTP Data
packet type.
<p>
Details regarding the TFTP protocol and the format of TFTP packets can
be found in RFC 783. But the point of these classes is to keep you
from having to worry about the internals. Additionally, only very
few people should have to care about any of the TFTPPacket classes
or derived classes. Almost all users should only be concerned with the
<A HREF="../../../../../org/apache/commons/net/tftp/TFTPClient.html" title="class in org.apache.commons.net.tftp"><CODE>TFTPClient</CODE></A> class
<A HREF="../../../../../org/apache/commons/net/tftp/TFTPClient.html#receiveFile(java.lang.String, int, java.io.OutputStream, java.net.InetAddress, int)"><CODE>receiveFile()</CODE></A>
and
<A HREF="../../../../../org/apache/commons/net/tftp/TFTPClient.html#sendFile(java.lang.String, int, java.io.InputStream, java.net.InetAddress, int)"><CODE>sendFile()</CODE></A>
methods.
<p>
<p>
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Daniel F. Savarese</DD>
<DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html" title="class in org.apache.commons.net.tftp"><CODE>TFTPPacket</CODE></A>,
<A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacketException.html" title="class in org.apache.commons.net.tftp"><CODE>TFTPPacketException</CODE></A>,
<A HREF="../../../../../org/apache/commons/net/tftp/TFTP.html" title="class in org.apache.commons.net.tftp"><CODE>TFTP</CODE></A></DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#MAX_DATA_LENGTH">MAX_DATA_LENGTH</A></B></CODE>
<BR>
The maximum number of bytes in a TFTP data packet (512)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#MIN_DATA_LENGTH">MIN_DATA_LENGTH</A></B></CODE>
<BR>
The minimum number of bytes in a TFTP data packet (0)</TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_org.apache.commons.net.tftp.TFTPPacket"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.commons.net.tftp.<A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html" title="class in org.apache.commons.net.tftp">TFTPPacket</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#ACKNOWLEDGEMENT">ACKNOWLEDGEMENT</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#DATA">DATA</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#ERROR">ERROR</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#READ_REQUEST">READ_REQUEST</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#SEGMENT_SIZE">SEGMENT_SIZE</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#WRITE_REQUEST">WRITE_REQUEST</A></CODE></TD>
</TR>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#TFTPDataPacket(java.net.InetAddress, int, int, byte[])">TFTPDataPacket</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</A> destination,
int port,
int blockNumber,
byte[] data)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#TFTPDataPacket(java.net.InetAddress, int, int, byte[], int, int)">TFTPDataPacket</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</A> destination,
int port,
int blockNumber,
byte[] data,
int offset,
int length)</CODE>
<BR>
Creates a data packet to be sent to a host at a given port
with a given block number.</TD>
</TR>
</TABLE>
<!-- ========== METHOD SUMMARY =========== -->
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#getBlockNumber()">getBlockNumber</A></B>()</CODE>
<BR>
Returns the block number of the data packet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#getData()">getData</A></B>()</CODE>
<BR>
Returns the byte array containing the packet data.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#getDataLength()">getDataLength</A></B>()</CODE>
<BR>
Returns the length of the data part of the data packet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#getDataOffset()">getDataOffset</A></B>()</CODE>
<BR>
Returns the offset into the byte array where the packet data actually
starts.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/net/DatagramPacket.html?is-external=true" title="class or interface in java.net">DatagramPacket</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#newDatagram()">newDatagram</A></B>()</CODE>
<BR>
Creates a UDP datagram containing all the TFTP
data packet data in the proper format.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#setBlockNumber(int)">setBlockNumber</A></B>(int blockNumber)</CODE>
<BR>
Sets the block number of the data packet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/tftp/TFTPDataPacket.html#setData(byte[], int, int)">setData</A></B>(byte[] data,
int offset,
int length)</CODE>
<BR>
Sets the data for the data packet.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.commons.net.tftp.TFTPPacket"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.commons.net.tftp.<A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html" title="class in org.apache.commons.net.tftp">TFTPPacket</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#getAddress()">getAddress</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#getPort()">getPort</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#getType()">getType</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#newTFTPPacket(java.net.DatagramPacket)">newTFTPPacket</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#setAddress(java.net.InetAddress)">setAddress</A>, <A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#setPort(int)">setPort</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
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<A NAME="MAX_DATA_LENGTH"><!-- --></A><H3>
MAX_DATA_LENGTH</H3>
<PRE>
public static final int <B>MAX_DATA_LENGTH</B></PRE>
<DL>
<DD>The maximum number of bytes in a TFTP data packet (512)
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.commons.net.tftp.TFTPDataPacket.MAX_DATA_LENGTH">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="MIN_DATA_LENGTH"><!-- --></A><H3>
MIN_DATA_LENGTH</H3>
<PRE>
public static final int <B>MIN_DATA_LENGTH</B></PRE>
<DL>
<DD>The minimum number of bytes in a TFTP data packet (0)
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.commons.net.tftp.TFTPDataPacket.MIN_DATA_LENGTH">Constant Field Values</A></DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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</TABLE>
<A NAME="TFTPDataPacket(java.net.InetAddress, int, int, byte[], int, int)"><!-- --></A><H3>
TFTPDataPacket</H3>
<PRE>
public <B>TFTPDataPacket</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</A> destination,
int port,
int blockNumber,
byte[] data,
int offset,
int length)</PRE>
<DL>
<DD>Creates a data packet to be sent to a host at a given port
with a given block number. The actual data to be sent is passed as
an array, an offset, and a length. The offset is the offset into
the byte array where the data starts. The length is the length of
the data. If the length is greater than MAX_DATA_LENGTH, it is
truncated.
<p>
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>destination</CODE> - The host to which the packet is going to be sent.<DD><CODE>port</CODE> - The port to which the packet is going to be sent.<DD><CODE>blockNumber</CODE> - The block number of the data.<DD><CODE>data</CODE> - The byte array containing the data.<DD><CODE>offset</CODE> - The offset into the array where the data starts.<DD><CODE>length</CODE> - The length of the data.</DL>
</DL>
<HR>
<A NAME="TFTPDataPacket(java.net.InetAddress, int, int, byte[])"><!-- --></A><H3>
TFTPDataPacket</H3>
<PRE>
public <B>TFTPDataPacket</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</A> destination,
int port,
int blockNumber,
byte[] data)</PRE>
<DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<B>Method Detail</B></FONT></TH>
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<A NAME="newDatagram()"><!-- --></A><H3>
newDatagram</H3>
<PRE>
public <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/net/DatagramPacket.html?is-external=true" title="class or interface in java.net">DatagramPacket</A> <B>newDatagram</B>()</PRE>
<DL>
<DD>Creates a UDP datagram containing all the TFTP
data packet data in the proper format.
This is a method exposed to the programmer in case he
wants to implement his own TFTP client instead of using
the <A HREF="../../../../../org/apache/commons/net/tftp/TFTPClient.html" title="class in org.apache.commons.net.tftp"><CODE>TFTPClient</CODE></A>
class.
Under normal circumstances, you should not have a need to call this
method.
<p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html#newDatagram()">newDatagram</A></CODE> in class <CODE><A HREF="../../../../../org/apache/commons/net/tftp/TFTPPacket.html" title="class in org.apache.commons.net.tftp">TFTPPacket</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A UDP datagram containing the TFTP data packet.</DL>
</DD>
</DL>
<HR>
<A NAME="getBlockNumber()"><!-- --></A><H3>
getBlockNumber</H3>
<PRE>
public int <B>getBlockNumber</B>()</PRE>
<DL>
<DD>Returns the block number of the data packet.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>The block number of the data packet.</DL>
</DD>
</DL>
<HR>
<A NAME="setBlockNumber(int)"><!-- --></A><H3>
setBlockNumber</H3>
<PRE>
public void <B>setBlockNumber</B>(int blockNumber)</PRE>
<DL>
<DD>Sets the block number of the data packet.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setData(byte[], int, int)"><!-- --></A><H3>
setData</H3>
<PRE>
public void <B>setData</B>(byte[] data,
int offset,
int length)</PRE>
<DL>
<DD>Sets the data for the data packet.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - The byte array containing the data.<DD><CODE>offset</CODE> - The offset into the array where the data starts.<DD><CODE>length</CODE> - The length of the data.</DL>
</DD>
</DL>
<HR>
<A NAME="getDataLength()"><!-- --></A><H3>
getDataLength</H3>
<PRE>
public int <B>getDataLength</B>()</PRE>
<DL>
<DD>Returns the length of the data part of the data packet.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>The length of the data part of the data packet.</DL>
</DD>
</DL>
<HR>
<A NAME="getDataOffset()"><!-- --></A><H3>
getDataOffset</H3>
<PRE>
public int <B>getDataOffset</B>()</PRE>
<DL>
<DD>Returns the offset into the byte array where the packet data actually
starts.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>The offset into the byte array where the packet data actually
starts.</DL>
</DD>
</DL>
<HR>
<A NAME="getData()"><!-- --></A><H3>
getData</H3>
<PRE>
public byte[] <B>getData</B>()</PRE>
<DL>
<DD>Returns the byte array containing the packet data.
<p>
<P>
<DD><DL>
<DT><B>Returns:</B><DD>The byte array containing the packet data.</DL>
</DD>
</DL>
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