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package org.bouncycastle.mail.smime.util;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
public class CRLFOutputStream extends FilterOutputStream
{
protected int lastb;
protected static byte newline[];
public CRLFOutputStream(OutputStream outputstream)
{
super(outputstream);
lastb = -1;
}
public void write(int i)
throws IOException
{
if (i == '\r')
{
out.write(newline);
}
else if (i == '\n')
{
if (lastb != '\r')
{
out.write(newline);
}
}
else
{
out.write(i);
}
lastb = i;
}
public void write(byte[] buf)
throws IOException
{
this.write(buf, 0, buf.length);
}
public void write(byte buf[], int off, int len)
throws IOException
{
for (int i = off; i != off + len; i++)
{
this.write(buf[i]);
}
}
public void writeln()
throws IOException
{
super.out.write(newline);
}
static
{
newline = new byte[2];
newline[0] = '\r';
newline[1] = '\n';
}
}
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