/*
 * Copyright (C) 2014 Obeo.
 * 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
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 * without modification, are permitted provided that the following
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package org.eclipse.jgit.util;

Describes the result of running an external process.
Since:
3.7/**
 * Describes the result of running an external process.
 *
 * @since 3.7
 */
public class ProcessResult {
	
Status of a process' execution.
/**
	 * Status of a process' execution.
	 */
	public static enum Status {
		
The script was found and launched properly. It may still have exited with a non-zero ProcessResult.exitCode. /**
		 * The script was found and launched properly. It may still have exited
		 * with a non-zero {@link #exitCode}.
		 */
		OK,

		
The script was not found on disk and thus could not be launched. /** The script was not found on disk and thus could not be launched. */
		NOT_PRESENT,

		
The script was found but could not be launched since it was not supported by the current FS. /**
		 * The script was found but could not be launched since it was not
		 * supported by the current {@link FS}.
		 */
		NOT_SUPPORTED;
	}

	
The exit code of the process. /** The exit code of the process. */
	private final int exitCode;

	
Status of the process' execution. /** Status of the process' execution. */
	private final Status status;

	
Instantiates a process result with the given status and an exit code of
-1.
Params:
status – 
           Status describing the execution of the external process./**
	 * Instantiates a process result with the given status and an exit code of
	 * <code>-1</code>.
	 *
	 * @param status
	 *            Status describing the execution of the external process.
	 */
	public ProcessResult(Status status) {
		this(-1, status);
	}

	
Constructor for ProcessResult.
Params:
exitCode – 
           Exit code of the process.
status – 
           Status describing the execution of the external process./**
	 * <p>Constructor for ProcessResult.</p>
	 *
	 * @param exitCode
	 *            Exit code of the process.
	 * @param status
	 *            Status describing the execution of the external process.
	 */
	public ProcessResult(int exitCode, Status status) {
		this.exitCode = exitCode;
		this.status = status;
	}

	
Get exit code of the process.
Returns:
The exit code of the process./**
	 * Get exit code of the process.
	 *
	 * @return The exit code of the process.
	 */
	public int getExitCode() {
		return exitCode;
	}

	
Get the status of the process' execution.
Returns:
The status of the process' execution./**
	 * Get the status of the process' execution.
	 *
	 * @return The status of the process' execution.
	 */
	public Status getStatus() {
		return status;
	}

	
Whether the execution occurred and resulted in an error
Returns:
true if the execution occurred and resulted in a
        return code different from 0, false otherwise.
Since:
4.0/**
	 * Whether the execution occurred and resulted in an error
	 *
	 * @return <code>true</code> if the execution occurred and resulted in a
	 *         return code different from 0, <code>false</code> otherwise.
	 * @since 4.0
	 */
	public boolean isExecutedWithError() {
		return getStatus() == ProcessResult.Status.OK && getExitCode() != 0;
	}
}