8187443: Forest Consolidation: Move files to unified layout

Reviewed-by: darcy, ihse

src/java.base/share/classes/java/io/OutputStream.java

@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 1994, 2004, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.io;
+
+/**
+ * This abstract class is the superclass of all classes representing
+ * an output stream of bytes. An output stream accepts output bytes
+ * and sends them to some sink.
+ * <p>
+ * Applications that need to define a subclass of
+ * <code>OutputStream</code> must always provide at least a method
+ * that writes one byte of output.
+ *
+ * @author  Arthur van Hoff
+ * @see     java.io.BufferedOutputStream
+ * @see     java.io.ByteArrayOutputStream
+ * @see     java.io.DataOutputStream
+ * @see     java.io.FilterOutputStream
+ * @see     java.io.InputStream
+ * @see     java.io.OutputStream#write(int)
+ * @since   1.0
+ */
+public abstract class OutputStream implements Closeable, Flushable {
+    /**
+     * 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>.
+     * @exception  IOException  if an I/O error occurs. In particular,
+     *             an <code>IOException</code> may be thrown if the
+     *             output stream has been closed.
+     */
+    public abstract void write(int b) throws IOException;
+
+    /**
+     * 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.
+     * @exception  IOException  if an I/O error occurs.
+     * @see        java.io.OutputStream#write(byte[], int, int)
+     */
+    public void write(byte b[]) throws IOException {
+        write(b, 0, b.length);
+    }
+
+    /**
+     * 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}, then an {@code IndexOutOfBoundsException} is thrown.
+     *
+     * @param      b     the data.
+     * @param      off   the start offset in the data.
+     * @param      len   the number of bytes to write.
+     * @exception  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 {
+        if (b == null) {
+            throw new NullPointerException();
+        } else if ((off < 0) || (off > b.length) || (len < 0) ||
+                   ((off + len) > b.length) || ((off + len) < 0)) {
+            throw new IndexOutOfBoundsException();
+        } else if (len == 0) {
+            return;
+        }
+        for (int i = 0 ; i < len ; i++) {
+            write(b[off + i]);
+        }
+    }
+
+    /**
+     * 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.
+     *
+     * @exception  IOException  if an I/O error occurs.
+     */
+    public void flush() throws IOException {
+    }
+
+    /**
+     * 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.
+     *
+     * @exception  IOException  if an I/O error occurs.
+     */
+    public void close() throws IOException {
+    }
+
+}