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Client
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processing.net</FONT>
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Class Client</H2>
<PRE>
java.lang.Object
<IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>processing.net.Client</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.lang.Runnable</DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>Client</B><DT>extends java.lang.Object<DT>implements java.lang.Runnable</DL>
</PRE>
<P>
<HR>
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<B>Field Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.io.InputStream</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../processing/net/Client.html#input">input</A></B></CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.io.OutputStream</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../processing/net/Client.html#output">output</A></B></CODE>
<BR>
</TD>
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<B>Constructor Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../processing/net/Client.html#Client(processing.core.PApplet, java.net.Socket)">Client</A></B>(<A HREF="../../processing/core/PApplet.html" title="class in processing.core">PApplet</A> parent,
java.net.Socket socket)</CODE>
<BR>
</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../processing/net/Client.html#Client(processing.core.PApplet, java.lang.String, int)">Client</A></B>(<A HREF="../../processing/core/PApplet.html" title="class in processing.core">PApplet</A> parent,
java.lang.String host,
int port)</CODE>
<BR>
</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../processing/net/Client.html#active()">active</A></B>()</CODE>
<BR>
Return true if this client is still active and hasn't run
into any trouble.</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="../../processing/net/Client.html#available()">available</A></B>()</CODE>
<BR>
Returns the number of bytes that have been read from serial
and are waiting to be dealt with by the user.</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="../../processing/net/Client.html#clear()">clear</A></B>()</CODE>
<BR>
Ignore all the bytes read so far and empty the buffer.</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="../../processing/net/Client.html#dispose()">dispose</A></B>()</CODE>
<BR>
Disconnect from the server: internal use only.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../processing/net/Client.html#ip()">ip</A></B>()</CODE>
<BR>
Returns the ip address of this feller as a String.</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="../../processing/net/Client.html#read()">read</A></B>()</CODE>
<BR>
Returns a number between 0 and 255 for the next byte that's
waiting in the buffer.</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="../../processing/net/Client.html#readBytes()">readBytes</A></B>()</CODE>
<BR>
Return a byte array of anything that's in the serial buffer.</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="../../processing/net/Client.html#readBytes(byte[])">readBytes</A></B>(byte[] outgoing)</CODE>
<BR>
Grab whatever is in the serial buffer, and stuff it into a
byte buffer passed in by the user.</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="../../processing/net/Client.html#readBytesUntil(int)">readBytesUntil</A></B>(int interesting)</CODE>
<BR>
Reads from the serial port into a buffer of bytes up to and
including a particular character.</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="../../processing/net/Client.html#readBytesUntil(int, byte[])">readBytesUntil</A></B>(int interesting,
byte[] outgoing)</CODE>
<BR>
Reads from the serial port into a buffer of bytes until a
particular character.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> char</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../processing/net/Client.html#readChar()">readChar</A></B>()</CODE>
<BR>
Returns the next byte in the buffer as a char.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../processing/net/Client.html#readString()">readString</A></B>()</CODE>
<BR>
Return whatever has been read from the serial port so far
as a String.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../processing/net/Client.html#readStringUntil(int)">readStringUntil</A></B>(int interesting)</CODE>
<BR>
Combination of readBytesUntil and readString.</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="../../processing/net/Client.html#run()">run</A></B>()</CODE>
<BR>
</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="../../processing/net/Client.html#stop()">stop</A></B>()</CODE>
<BR>
Disconnect from the server and calls disconnectEvent(Client c)
in the host PApplet.</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="../../processing/net/Client.html#write(byte[])">write</A></B>(byte[] bytes)</CODE>
<BR>
</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="../../processing/net/Client.html#write(int)">write</A></B>(int what)</CODE>
<BR>
This will handle ints, bytes and chars transparently.</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="../../processing/net/Client.html#write(java.lang.String)">write</A></B>(java.lang.String what)</CODE>
<BR>
Write a String to the output.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<P>
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<A NAME="input"><!-- --></A><H3>
input</H3>
<PRE>
public java.io.InputStream <B>input</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>
<A NAME="output"><!-- --></A><H3>
output</H3>
<PRE>
public java.io.OutputStream <B>output</B></PRE>
<DL>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
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<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="Client(processing.core.PApplet, java.lang.String, int)"><!-- --></A><H3>
Client</H3>
<PRE>
public <B>Client</B>(<A HREF="../../processing/core/PApplet.html" title="class in processing.core">PApplet</A> parent,
java.lang.String host,
int port)</PRE>
<DL>
</DL>
<HR>
<A NAME="Client(processing.core.PApplet, java.net.Socket)"><!-- --></A><H3>
Client</H3>
<PRE>
public <B>Client</B>(<A HREF="../../processing/core/PApplet.html" title="class in processing.core">PApplet</A> parent,
java.net.Socket socket)
throws java.io.IOException</PRE>
<DL>
<DL>
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
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<B>Method Detail</B></FONT></TH>
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</TABLE>
<A NAME="stop()"><!-- --></A><H3>
stop</H3>
<PRE>
public void <B>stop</B>()</PRE>
<DL>
<DD>Disconnect from the server and calls disconnectEvent(Client c)
in the host PApplet.
<P/>
Use this to shut the connection if you're finished with it
while your applet is still running. Otherwise, it will be
automatically be shut down by the host PApplet
(using dispose, which is identical)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="dispose()"><!-- --></A><H3>
dispose</H3>
<PRE>
public void <B>dispose</B>()</PRE>
<DL>
<DD>Disconnect from the server: internal use only.
<P>
This should only be called by the internal functions in PApplet,
use stop() instead from within your own applets.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="run()"><!-- --></A><H3>
run</H3>
<PRE>
public void <B>run</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>run</CODE> in interface <CODE>java.lang.Runnable</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="active()"><!-- --></A><H3>
active</H3>
<PRE>
public boolean <B>active</B>()</PRE>
<DL>
<DD>Return true if this client is still active and hasn't run
into any trouble.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="ip()"><!-- --></A><H3>
ip</H3>
<PRE>
public java.lang.String <B>ip</B>()</PRE>
<DL>
<DD>Returns the ip address of this feller as a String.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="available()"><!-- --></A><H3>
available</H3>
<PRE>
public int <B>available</B>()</PRE>
<DL>
<DD>Returns the number of bytes that have been read from serial
and are waiting to be dealt with by the user.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
public void <B>clear</B>()</PRE>
<DL>
<DD>Ignore all the bytes read so far and empty the buffer.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="read()"><!-- --></A><H3>
read</H3>
<PRE>
public int <B>read</B>()</PRE>
<DL>
<DD>Returns a number between 0 and 255 for the next byte that's
waiting in the buffer.
Returns -1 if there was no byte (although the user should
first check available() to see if things are ready to avoid this)
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="readChar()"><!-- --></A><H3>
readChar</H3>
<PRE>
public char <B>readChar</B>()</PRE>
<DL>
<DD>Returns the next byte in the buffer as a char.
Returns -1, or 0xffff, if nothing is there.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="readBytes()"><!-- --></A><H3>
readBytes</H3>
<PRE>
public byte[] <B>readBytes</B>()</PRE>
<DL>
<DD>Return a byte array of anything that's in the serial buffer.
Not particularly memory/speed efficient, because it creates
a byte array on each read, but it's easier to use than
readBytes(byte b[]) (see below).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="readBytes(byte[])"><!-- --></A><H3>
readBytes</H3>
<PRE>
public int <B>readBytes</B>(byte[] outgoing)</PRE>
<DL>
<DD>Grab whatever is in the serial buffer, and stuff it into a
byte buffer passed in by the user. This is more memory/time
efficient than readBytes() returning a byte[] array.
Returns an int for how many bytes were read. If more bytes
are available than can fit into the byte array, only those
that will fit are read.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="readBytesUntil(int)"><!-- --></A><H3>
readBytesUntil</H3>
<PRE>
public byte[] <B>readBytesUntil</B>(int interesting)</PRE>
<DL>
<DD>Reads from the serial port into a buffer of bytes up to and
including a particular character. If the character isn't in
the serial buffer, then 'null' is returned.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="readBytesUntil(int, byte[])"><!-- --></A><H3>
readBytesUntil</H3>
<PRE>
public int <B>readBytesUntil</B>(int interesting,
byte[] outgoing)</PRE>
<DL>
<DD>Reads from the serial port into a buffer of bytes until a
particular character. If the character isn't in the serial
buffer, then 'null' is returned.
If outgoing[] is not big enough, then -1 is returned,
and an error message is printed on the console.
If nothing is in the buffer, zero is returned.
If 'interesting' byte is not in the buffer, then 0 is returned.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="readString()"><!-- --></A><H3>
readString</H3>
<PRE>
public java.lang.String <B>readString</B>()</PRE>
<DL>
<DD>Return whatever has been read from the serial port so far
as a String. It assumes that the incoming characters are ASCII.
If you want to move Unicode data, you can first convert the
String to a byte stream in the representation of your choice
(i.e. UTF8 or two-byte Unicode data), and send it as a byte array.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="readStringUntil(int)"><!-- --></A><H3>
readStringUntil</H3>
<PRE>
public java.lang.String <B>readStringUntil</B>(int interesting)</PRE>
<DL>
<DD>Combination of readBytesUntil and readString. See caveats in
each function. Returns null if it still hasn't found what
you're looking for.
<p/>
If you want to move Unicode data, you can first convert the
String to a byte stream in the representation of your choice
(i.e. UTF8 or two-byte Unicode data), and send it as a byte array.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="write(int)"><!-- --></A><H3>
write</H3>
<PRE>
public void <B>write</B>(int what)</PRE>
<DL>
<DD>This will handle ints, bytes and chars transparently.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="write(byte[])"><!-- --></A><H3>
write</H3>
<PRE>
public void <B>write</B>(byte[] bytes)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="write(java.lang.String)"><!-- --></A><H3>
write</H3>
<PRE>
public void <B>write</B>(java.lang.String what)</PRE>
<DL>
<DD>Write a String to the output. Note that this doesn't account
for Unicode (two bytes per char), nor will it send UTF8
characters.. It assumes that you mean to send a byte buffer
(most often the case for networking and serial i/o) and
will only use the bottom 8 bits of each char in the string.
(Meaning that internally it uses String.getBytes)
If you want to move Unicode data, you can first convert the
String to a byte stream in the representation of your choice
(i.e. UTF8 or two-byte Unicode data), and send it as a byte array.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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