/*
* Hamsam - Instant Messaging API
* Copyright (C) 2003 Raghu K
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package gui.tools;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;
import java.util.Vector;
import java.util.Enumeration;
/**
* <p>Titre : Hamsam Project</p>
* <p>Description : Instant Messenger</p>
* <p>Copyright : Copyright (c) 2003</p>
* <p>Soci�t� : </p>
* @author Fr�d�ric DIB
* @version 0.1
*/
public class PropertiesManager {
private Properties p;
private String path = null;
private boolean ok = false;
/**
*Constructor
*/
public PropertiesManager(String path) {
this.path = path;
this.loadProperties(path);
}
/**
* Get and record informations from a file to a properties object.
*/
public Properties loadProperties(String path) {
try {
FileInputStream fis = new FileInputStream(path);
p = new Properties();
p.load(fis);
ok = true;
return p;
}
catch (FileNotFoundException e) {
e.printStackTrace();
return null;
}
catch (IOException e) {
e.printStackTrace();
return null;
}
}
/**
*Update properties file.
*/
public void saveProperties(String commentaires) {
if (ok)
try {
FileOutputStream fos = new FileOutputStream(path);
p.store(fos, commentaires);
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
}
/**
*Update properties file.
*/
public void saveProperties(String path, String commentaires) {
if (ok)
try {
FileOutputStream fos = new FileOutputStream(path);
p.store(fos, commentaires);
}
catch (FileNotFoundException e) {
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
}
/**
* Set the key value in the properties file.
*/
public void setValue(String key, String val) {
p.setProperty(key, val);
}
/**
* Get the key value from the properties file.
*/
public String getValue(String key) {
String ret = p.getProperty(key);
if (ret == null) {
ret = new String("INVALID KEY - " + key);
}
return ret;
}
/**
* Get the key value from the properties file.
* Replace the $1$ item by value.
*/
public String getValue(String key, String value) {
String ret = "";
String temp = getValue(key);
if (!temp.substring(0, 10).equals("INVALID KEY")) {
for (int i = 0; i < temp.length(); i++) {
if ( (temp.charAt(i) == '$')
&& (temp.charAt(i + 1) == '1')
&& (temp.charAt(i + 2) == '$')) {
ret = new String(ret + value);
i = i + 2;
}
else {
ret = new String(ret + temp.charAt(i));
}
}
}
return ret;
}
/**
*Replace key value by newValue.
*/
public void changeValue(String key, String newValue) {
if (ok)
p.setProperty(key, newValue);
}
/**
* Return a Vector of all key in the properties file.
*/
public Vector getKeyList() {
Vector v = new Vector();
Enumeration e = p.propertyNames();
while (e.hasMoreElements()) {
v.addElement(e.nextElement());
}
return v;
}
}