/*
    * Copyright (C) 2012, Robin Rosenberg <robin.rosenberg@dewire.com>
    * and other copyright owners as documented in the project's IP log.
    *
    * 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.util.io;
  
  import java.io.IOException;
  import java.io.Writer;
  import java.security.AccessController;
  import java.security.PrivilegedAction;
  
  import org.eclipse.jgit.util.SystemReader;
  
  /**
   * An alternative PrintWriter that doesn't catch exceptions.
   *
   * @since 2.2
   */
  public class ThrowingPrintWriter extends Writer {
  
  	private final Writer out;
  
  	private final String LF;
  
  	/**
  	 * Construct a JGitPrintWriter
  	 *
  	 * @param out
  	 *            the underlying {@link java.io.Writer}
  	 */
  	public ThrowingPrintWriter(Writer out) {
  		this.out = out;
  		LF = AccessController.doPrivileged(new PrivilegedAction<String>() {
  			@Override
  			public String run() {
  				return SystemReader.getInstance().getProperty("line.separator"); //$NON-NLS-1$
  			}
  		});
  	}
  
  	/** {@inheritDoc} */
  	@Override
  	public void write(char[] cbuf, int off, int len) throws IOException {
  		out.write(cbuf, off, len);
  	}
  
  	/** {@inheritDoc} */
  	@Override
  	public void flush() throws IOException {
  		out.flush();
  	}
  
  	/** {@inheritDoc} */
  	@Override
  	public void close() throws IOException {
  		out.close();
  	}
  
  	/**
  	 * Print a string and terminate with a line feed.
  	 *
 	 * @param s a {@link java.lang.String} object.
 	 * @throws java.io.IOException
 	 */
 	public void println(String s) throws IOException {
 		print(s + LF);
 	}
 
 	/**
 	 * Print a platform dependent new line
 	 *
 	 * @throws java.io.IOException
 	 */
 	public void println() throws IOException {
 		print(LF);
 	}
 
 	/**
 	 * Print a char
 	 *
 	 * @param value a char.
 	 * @throws java.io.IOException
 	 */
 	public void print(char value) throws IOException {
 		print(String.valueOf(value));
 	}
 
 	/**
 	 * Print an int as string
 	 *
 	 * @param value
 	 *            an int.
 	 * @throws java.io.IOException
 	 */
 	public void print(int value) throws IOException {
 		print(String.valueOf(value));
 	}
 
 	/**
 	 * Print a long as string
 	 *
 	 * @param value a long.
 	 * @throws java.io.IOException
 	 */
 	public void print(long value) throws IOException {
 		print(String.valueOf(value));
 	}
 
 	/**
 	 * Print a short as string
 	 *
 	 * @param value a short.
 	 * @throws java.io.IOException
 	 */
 	public void print(short value) throws IOException {
 		print(String.valueOf(value));
 	}
 
 	/**
 	 * Print a formatted message according to
 	 * {@link java.lang.String#format(String, Object...)}.
 	 *
 	 * @param fmt
 	 *            a {@link java.lang.String} object.
 	 * @param args
 	 *            objects.
 	 * @throws java.io.IOException
 	 */
 	public void format(String fmt, Object... args) throws IOException {
 		print(String.format(fmt, args));
 	}
 
 	/**
 	 * Print an object's toString representations
 	 *
 	 * @param any
 	 *            an object.
 	 * @throws java.io.IOException
 	 */
 	public void print(Object any) throws IOException {
 		out.write(String.valueOf(any));
 	}
 }