246 lines
7.3 KiB
Java
246 lines
7.3 KiB
Java
/*
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* Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.jmx.snmp.defaults;
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// java import
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//
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import java.io.File;
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import java.io.BufferedReader;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.StringTokenizer;
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/**
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* This class represents a set of default directories used by Java DMK.
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*
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* <p><b>This API is a Sun Microsystems internal API and is subject
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* to change without notice.</b></p>
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* @since 1.5
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*/
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public class DefaultPaths {
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private static final String INSTALL_PATH_RESOURCE_NAME = "com/sun/jdmk/defaults/install.path";
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// private constructor defined to "hide" the default public constructor
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private DefaultPaths() {
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}
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// PUBLIC STATIC METHODS
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//----------------------
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/**
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* Returns the installation directory for Java DMK.
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*
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* The default value of the installation directory is:
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* <CODE><base_dir> + File.separator + SUNWjdmk + File.separator + jdmk5.0 </CODE>
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*
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* @return Java DMK installation directory.
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*/
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public static String getInstallDir() {
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if (installDir == null)
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return useRessourceFile();
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else
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return installDir;
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}
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/**
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* Returns the installation directory for Java DMK concatenated with dirname.
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*
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* The default value of the installation directory is:
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* <CODE><base_dir> + File.separator + SUNWjdmk + File.separator + jdmk5.0 </CODE>
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*
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* @param dirname The directory to be appended.
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*
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* @return Java DMK installation directory + <CODE>File.separator</CODE> + <CODE>dirname</CODE>.
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*/
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public static String getInstallDir(String dirname) {
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if (installDir == null) {
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if (dirname == null) {
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return getInstallDir();
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} else {
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return getInstallDir() + File.separator + dirname;
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}
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} else {
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if (dirname == null) {
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return installDir;
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} else {
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return installDir + File.separator + dirname;
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}
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}
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}
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/**
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* Sets the installation directory for Java DMK.
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*
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* @param dirname The directory where Java DMK resides.
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*/
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public static void setInstallDir(String dirname) {
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installDir = dirname;
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}
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/**
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* Returns the <CODE>etc</CODE> directory for Java DMK.
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* <P>
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* The default value of the <CODE>etc</CODE> directory is:
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* <UL>
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* <LI><CODE>DefaultPaths.getInstallDir("etc")</CODE>.
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* </UL>
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*
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* @return Java DMK <CODE>etc</CODE> directory.
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*/
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public static String getEtcDir() {
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if (etcDir == null)
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return getInstallDir("etc");
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else
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return etcDir;
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}
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/**
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* Returns the <CODE>etc</CODE> directory for Java DMK concatenated with dirname.
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* <P>
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* The default value of the <CODE>etc</CODE> directory is:
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* <UL>
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* <LI><CODE>DefaultPaths.getInstallDir("etc")</CODE>.
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* </UL>
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*
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* @param dirname The directory to be appended.
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*
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* @return Java DMK <CODE>etc</CODE> directory + <CODE>File.separator</CODE> + <CODE>dirname</CODE>.
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*/
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public static String getEtcDir(String dirname) {
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if (etcDir == null) {
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if (dirname == null) {
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return getEtcDir();
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} else {
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return getEtcDir() + File.separator + dirname;
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}
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} else {
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if (dirname == null) {
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return etcDir;
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} else {
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return etcDir + File.separator + dirname;
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}
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}
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}
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/**
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* Sets the <CODE>etc</CODE> directory for Java DMK.
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*
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* @param dirname The <CODE>etc</CODE> directory for Java DMK.
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*/
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public static void setEtcDir(String dirname) {
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etcDir = dirname;
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}
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/**
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* Returns the <CODE>tmp</CODE> directory for the product.
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* <P>
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* The default value of the <CODE>tmp</CODE> directory is:
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* <UL>
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* <LI><CODE>DefaultPaths.getInstallDir("tmp")</CODE>.
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* </UL>
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*
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* @return Java DMK <CODE>tmp</CODE> directory.
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*/
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public static String getTmpDir() {
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if (tmpDir == null)
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return getInstallDir("tmp");
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else
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return tmpDir;
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}
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/**
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* Returns the <CODE>tmp</CODE> directory for Java DMK concatenated with dirname.
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* <P>
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* The default value of the <CODE>tmp</CODE> directory is:
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* <UL>
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* <LI><CODE>DefaultPaths.getInstallDir("tmp")</CODE>.
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* </UL>
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*
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* @param dirname The directory to be appended.
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*
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* @return Java DMK <CODE>tmp</CODE> directory + <CODE>File.separator</CODE> + <CODE>dirname</CODE>.
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*/
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public static String getTmpDir(String dirname) {
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if (tmpDir == null) {
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if (dirname == null) {
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return getTmpDir();
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} else {
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return getTmpDir() + File.separator + dirname;
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}
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} else {
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if (dirname == null) {
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return tmpDir;
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} else {
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return tmpDir + File.separator + dirname;
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}
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}
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}
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/**
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* Sets the <CODE>tmp</CODE> directory for the product
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*
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* @param dirname The <CODE>tmp</CODE> directory for Java DMK.
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*/
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public static void setTmpDir(String dirname) {
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tmpDir = dirname;
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}
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// PRIVATE STATIC METHODS
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//-----------------------
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private static String useRessourceFile() {
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InputStream in = null;
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BufferedReader r = null;
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try {
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in =
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DefaultPaths.class.getClassLoader().getResourceAsStream(INSTALL_PATH_RESOURCE_NAME);
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if(in == null) return null;
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r = new BufferedReader(new InputStreamReader(in));
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installDir = r.readLine();
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}catch(Exception e) {
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}
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finally {
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try {
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if(in != null) in.close();
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if(r != null) r.close();
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}catch(Exception e) {}
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}
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return installDir;
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}
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// PRIVATE VARIABLES
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//------------------
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/**
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* Directories used by Java DMK.
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*/
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private static String etcDir;
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private static String tmpDir;
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private static String installDir;
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}
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