| /* |
| * Copyright (C) 2014, André de Oliveira <andre.oliveira@liferay.com> |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - 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. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "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 COPYRIGHT OWNER OR |
| * CONTRIBUTORS 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 org.eclipse.jgit.merge; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * An output stream which is aware of newlines and can be asked to begin a new |
| * line if not already in one. |
| */ |
| class EolAwareOutputStream extends OutputStream { |
| private final OutputStream out; |
| |
| private boolean bol = true; |
| |
| /** |
| * Initialize a new EOL aware stream. |
| * |
| * @param out |
| * stream to output all writes to. |
| */ |
| EolAwareOutputStream(OutputStream out) { |
| this.out = out; |
| } |
| |
| /** |
| * Begin a new line if not already in one. |
| * |
| * @exception IOException |
| * if an I/O error occurs. |
| */ |
| void beginln() throws IOException { |
| if (!bol) |
| write('\n'); |
| } |
| |
| /** @return true if a new line has just begun. */ |
| boolean isBeginln() { |
| return bol; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void write(int val) throws IOException { |
| out.write(val); |
| bol = (val == '\n'); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void write(byte[] buf, int pos, int cnt) throws IOException { |
| if (cnt > 0) { |
| out.write(buf, pos, cnt); |
| bol = (buf[pos + (cnt - 1)] == '\n'); |
| } |
| } |
| } |