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DotNetOutputStream.java
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DotNetOutputStream.java
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package net.sf.saxon.dotnet;
import cli.System.IO.Stream;
import java.io.IOException;
import java.io.OutputStream;
/**
* A Java OutputStream implemented as a wrapper around a .NET stream
*/
public class DotNetOutputStream extends OutputStream {
Stream stream;
public DotNetOutputStream(Stream stream) {
this.stream = stream;
}
/**
* Writes the specified byte to this output stream. The general
* contract for <code>write</code> is that one byte is written
* to the output stream. The byte to be written is the eight
* low-order bits of the argument <code>b</code>. The 24
* high-order bits of <code>b</code> are ignored.
* <p/>
* Subclasses of <code>OutputStream</code> must provide an
* implementation for this method.
*
* @param b the <code>byte</code>.
* @throws java.io.IOException if an I/O error occurs. In particular,
* an <code>IOException</code> may be thrown if the
* output stream has been closed.
*/
public void write(int b) throws IOException {
stream.WriteByte((byte)b);
}
/**
* Writes <code>len</code> bytes from the specified byte array
* starting at offset <code>off</code> to this output stream.
* The general contract for <code>write(b, off, len)</code> is that
* some of the bytes in the array <code>b</code> are written to the
* output stream in order; element <code>b[off]</code> is the first
* byte written and <code>b[off+len-1]</code> is the last byte written
* by this operation.
* <p/>
* The <code>write</code> method of <code>OutputStream</code> calls
* the write method of one argument on each of the bytes to be
* written out. Subclasses are encouraged to override this method and
* provide a more efficient implementation.
* <p/>
* If <code>b</code> is <code>null</code>, a
* <code>NullPointerException</code> is thrown.
* <p/>
* If <code>off</code> is negative, or <code>len</code> is negative, or
* <code>off+len</code> is greater than the length of the array
* <code>b</code>, then an <tt>IndexOutOfBoundsException</tt> is thrown.
*
* @param b the data.
* @param off the start offset in the data.
* @param len the number of bytes to write.
* @throws java.io.IOException if an I/O error occurs. In particular,
* an <code>IOException</code> is thrown if the output
* stream is closed.
*/
public void write(byte b[], int off, int len) throws IOException {
stream.Write(b, off, len);
}
/**
* Writes <code>b.length</code> bytes from the specified byte array
* to this output stream. The general contract for <code>write(b)</code>
* is that it should have exactly the same effect as the call
* <code>write(b, 0, b.length)</code>.
*
* @param b the data.
* @throws java.io.IOException if an I/O error occurs.
* @see java.io.OutputStream#write(byte[], int, int)
*/
public void write(byte b[]) throws IOException {
stream.Write(b, 0, b.length);
}
/**
* Flushes this output stream and forces any buffered output bytes
* to be written out. The general contract of <code>flush</code> is
* that calling it is an indication that, if any bytes previously
* written have been buffered by the implementation of the output
* stream, such bytes should immediately be written to their
* intended destination.
* <p/>
* If the intended destination of this stream is an abstraction provided by
* the underlying operating system, for example a file, then flushing the
* stream guarantees only that bytes previously written to the stream are
* passed to the operating system for writing; it does not guarantee that
* they are actually written to a physical device such as a disk drive.
* <p/>
* The <code>flush</code> method of <code>OutputStream</code> does nothing.
*
* @throws java.io.IOException if an I/O error occurs.
*/
public void flush() throws IOException {
stream.Flush();
}
/**
* Closes this output stream and releases any system resources
* associated with this stream. The general contract of <code>close</code>
* is that it closes the output stream. A closed stream cannot perform
* output operations and cannot be reopened.
* <p/>
* The <code>close</code> method of <code>OutputStream</code> does nothing.
*
* @throws java.io.IOException if an I/O error occurs.
*/
public void close() throws IOException {
System.err.println("close");
stream.Close();
}
}