InvalidLongObjectIdException.java example

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/*
 * Copyright (C) 2009, Jonas Fonseca <fonseca@diku.dk>
 * Copyright (C) 2007, Robin Rosenberg <robin.rosenberg@dewire.com>
 * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
 * 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,
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */

package org.eclipse.jgit.lfs.errors;

import java.io.UnsupportedEncodingException;
import java.text.MessageFormat;

import org.eclipse.jgit.lfs.internal.LfsText;

/**
 * Thrown when an invalid long object id is passed in as an argument.
 *
 * @since 4.3
 */
public class InvalidLongObjectIdException extends IllegalArgumentException {
	private static final long serialVersionUID = 1L;

	/**
	 * Create exception with bytes of the invalid object id.
	 *
	 * @param bytes containing the invalid id.
	 * @param offset in the byte array where the error occurred.
	 * @param length of the sequence of invalid bytes.
	 */
	public InvalidLongObjectIdException(byte[] bytes, int offset, int length) {
		super(MessageFormat.format(LfsText.get().invalidLongId,
				asAscii(bytes, offset, length)));
	}

	/**
	 * @param idString
	 *            String containing the invalid id
	 */
	public InvalidLongObjectIdException(String idString) {
		super(MessageFormat.format(LfsText.get().invalidLongId, idString));
	}

	private static String asAscii(byte[] bytes, int offset, int length) {
		try {
			return ": " + new String(bytes, offset, length, "US-ASCII"); //$NON-NLS-1$ //$NON-NLS-2$
		} catch (UnsupportedEncodingException e2) {
			return ""; //$NON-NLS-1$
		} catch (StringIndexOutOfBoundsException e2) {
			return ""; //$NON-NLS-1$
		}
	}
}