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/*
* de.unkrig.commons - A general-purpose Java class library
*
* Copyright (c) 2011, Arno Unkrig
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package de.unkrig.commons.io;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import de.unkrig.commons.nullanalysis.NotNullByDefault;
/**
* Duplicates all bytes that it reads to an {@link OutputStream}.
*
* The {@link OutputStream} is flushed on end-of-input and calls to {@link #available()}.
*
* @deprecated Prefer delegation over inheritance and use {@link IoUtil#wye(InputStream, OutputStream)}
* instead
*/
@Deprecated @NotNullByDefault(false) public
class WyeInputStream extends FilterInputStream {
private final OutputStream out;
public
WyeInputStream(InputStream in, OutputStream out) {
super(in);
this.out = out;
}
@Override public int
read() throws IOException {
int b = super.read();
if (b == -1) {
this.out.flush();
} else {
this.out.write(b);
}
return b;
}
@Override public int
read(byte[] b, int off, int len) throws IOException {
int count = super.read(b, off, len);
if (count > 0) this.out.write(b, off, count);
if (count == 0) this.out.flush();
return count;
}
@Override public int
available() throws IOException {
this.out.flush();
return this.in.available();
}
}