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