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/*
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package com.nokia.helium.checktools;
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import java.util.Locale;
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/**
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* OSResolver is a utility class containing useful methods related to OS.
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*
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*/
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public final class OSResolver {
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public static final String FAMILY_WINDOWS = "windows";
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public static final String FAMILY_9X = "win9x";
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public static final String FAMILY_NT = "winnt";
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public static final String FAMILY_MAC = "mac";
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public static final String FAMILY_UNIX = "unix";
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private static final String OS_NAME = System.getProperty("os.name")
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.toLowerCase(Locale.US);
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private static final String PATH_SEP = System.getProperty("path.separator");
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/**
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* Must not be instantiated.
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*/
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private OSResolver() {
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}
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/**
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* Returns a formatted command string specific to the underlying OS.
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*
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* @param cmd
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* is the command to be formatted.
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* @return the formatted OS specific command string.
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*/
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628
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public static String getCommand(String cmd) throws CheckToolException {
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StringBuffer buffer = new StringBuffer();
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if (isOs("windows")) {
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if (!isOs("win9x")) {
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// Windows XP/2000/NT
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buffer.append("cmd /c ");
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} else {
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// Windows 98/95
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buffer.append("command /c ");
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}
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}
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// generic
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buffer.append(cmd);
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return buffer.toString();
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}
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/**
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* Method verifies whether the underlying OS belongs to the given OS family.
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*
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* @param family
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* The OS family
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* @return true if the OS matches; otherwise false.
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*/
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public static boolean isOs(String family) throws CheckToolException {
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boolean retValue = false;
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if (family != null) {
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// windows probing logic relies on the word 'windows' in
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// the OS
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boolean isWindows = OS_NAME.indexOf(FAMILY_WINDOWS) > -1;
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boolean is9x = false;
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boolean isNT = false;
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if (isWindows) {
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// there are only four 9x platforms that we look for
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is9x = OS_NAME.indexOf("95") >= 0
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|| OS_NAME.indexOf("98") >= 0
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|| OS_NAME.indexOf("me") >= 0 || OS_NAME.indexOf("ce") >= 0;
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isNT = !is9x;
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}
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if (family.equals(FAMILY_WINDOWS)) {
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retValue = isWindows;
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} else if (family.equals(FAMILY_9X)) {
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retValue = isWindows && is9x;
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} else if (family.equals(FAMILY_NT)) {
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retValue = isWindows && isNT;
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} else if (family.equals(FAMILY_MAC)) {
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retValue = OS_NAME.indexOf(FAMILY_MAC) > -1;
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} else if (family.equals(FAMILY_UNIX)) {
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retValue = PATH_SEP.equals(":")
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&& (!isOs(FAMILY_MAC) || OS_NAME.endsWith("x"));
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} else {
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throw new CheckToolException(
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"Don\'t know how to detect os family \"" + family
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+ "\"");
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}
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}
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return retValue;
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}
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}
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