Hi Stephan,
go through the code below
This the first version of the patch for
CharTerminatedInputStream, this code is just for the
testing
Also note that i have hardcoded certain things,
following code also contains a bug (if u try to send
mails from telnet, however that can be removed easily)
-----------Start of Patch
public class OptTerminatedStream extends InputStream
{
private InputStream in;
static final byte term[] = {(byte) '\n', (byte)
'.',(byte) '\r',(byte) '\n'};
byte buf[] = new byte[2048]; //allocate buffer
int bcount = -1;
int pos = -1;
boolean cont = true;
//int totalb = 0;
public OptTerminatedStream(InputStream in, char[]
terminator) throws Exception
{
//Initialize buffers
this.in = in;
readByteStream();
}
/**
* Readahed a block of data
*/
public void readByteStream() throws IOException
{
String line = "";
int len;
len=0;
if (!cont)
{
bcount = -1;
pos = -1;
return;
}
bcount = in.read(buf);
if (bcount == -1) //if end-of-file reached
return;
len = bcount;
pos = 0;
try
{
if (
buf[len - 4] == term[0] &&
buf[len - 3] == term[1] &&
buf[len - 2] == term[2] &&
buf[len - 1] == term[3]
)
{
cont = false;
bcount-=4;
}
} catch (ArrayIndexOutOfBoundsException aiob){}
}
public int read() throws IOException
{
if ((bcount >0) && (pos < bcount))
{
return buf[pos++];
} else if (!cont || (bcount == -1)) {
return -1;
} else {
this.readByteStream();
return buf[pos++];
}
}
public int read(byte[] b,int off,int len) throws
IOException
{
if (b.length == 0)
return 0;
if ((bcount >0) && (pos < bcount))
{
int curlen = bcount-pos;
if (curlen <= len)
{
System.arraycopy(buf,pos,b,off,curlen);
this.readByteStream();
return curlen;
} else if (curlen > len)
{
curlen = len;
System.arraycopy(buf,pos,b,off,curlen);
pos = pos + curlen-1;
return curlen;
}
} else if (!cont || (bcount == -1)) {
return -1;
}
return -1;
}
}
---------------End of Patch
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