/*
* Jalview - A Sequence Alignment Editor and Viewer
* Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package jalview.bin;
import java.io.*;
import java.util.*;
/**
* Stores and retrieves Jalview Application Properties
*
Current properties include:
*
logs.Axis.Level - one of the stringified Levels for log4j controlling the logging level for axis (used for web services)
*
logs.Castor.Level - one of the stringified Levels for log4j controlling the logging level for castor (used for serialization)
*
jalview.browser - used in the jalview.utils.browserLauncher class if it doesn't know what else to do.
*
SCREEN_WIDTH,SCREEN_HEIGHT,SCREEN_Y=285,SCREEN_X=371,SHOW_FULLSCREEN
* FONT_NAME,FONT_SIZE,FONT_STYLE,GAP_SYMBOL,LAST_DIRECTORY,USER_DEFINED_COLOUR
* SHOW_FULL_ID,SHOW_IDENTITY,SHOW_QUALITY,SHOW_ANNOTATIONS,SHOW_CONSERVATION,
* DEFAULT_COLOUR,DEFAULT_FILE_FORMAT,STARTUP_FILE,SHOW_STARTUP_FILE
* @author $author$
* @version $Revision$
*/
public class Cache
{
/** Current release tag */
public static String VERSION = "AW Test";
/** Date Jalview was last packaged, else compilation date of Cache.class */
public static String BUILD_DATE = "";
/** Jalview Properties */
public static Properties applicationProperties;
/** Default file is ~/.jalview_properties */
static String propertiesFile;
/** Called when Jalview is started */
public static void loadProperties(String propsFile)
{
propertiesFile = propsFile;
if (propsFile == null)
{
propertiesFile = System.getProperty("user.home") + "/.jalview_properties";
}
// get last build time.
long date = 0;
try
{
String localFile = Cache.class.getProtectionDomain().getCodeSource()
.getLocation().toString();
localFile = localFile.concat("!/");
String tmpString = "jar:";
String localJarFileString = tmpString.concat(localFile);
java.net.URL localJarFileURL = new java.net.URL(localJarFileString);
java.net.JarURLConnection localJarFile = (java.net.JarURLConnection) localJarFileURL.openConnection();
date = localJarFile.getLastModified();
}
catch (Exception ex)
{
ex.printStackTrace();
}
if (date == 0)
{
// this is called for unpackaged class files, ie not in a Jar file
// InstallAnywhere version will find build date this way
// not entirely accurate as it only tells you when Cache.class was last compiled
java.io.File f = new java.io.File(System.getProperty("user.dir") +
"/jalview/bin/Cache.class");
date = f.lastModified();
}
if (date != 0)
{
BUILD_DATE = new Date(date).toString();
}
applicationProperties = new Properties();
try
{
FileInputStream in = new FileInputStream(propertiesFile);
applicationProperties = new Properties();
applicationProperties.load(in);
in.close();
}
catch (Exception ex)
{
}
}
/**
* Gets Jalview application property of given key. Returns null
* if key not found
*
* @param key Name of property
*
* @return Property value
*/
public static String getProperty(String key)
{
return applicationProperties.getProperty(key);
}
/**
* Stores property in the file "HOME_DIR/.jalview_properties"
*
* @param key Name of object
* @param obj String value of property
*
* @return String value of property
*/
public static String setProperty(String key, String obj)
{
try
{
FileOutputStream out = new FileOutputStream(propertiesFile);
applicationProperties.setProperty(key, obj);
applicationProperties.store(out, "---JalviewX Properties File---");
out.close();
}
catch (Exception ex)
{
}
return obj;
}
}