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/*
* Copyright © 2010 Mike Beattie <mike@ethernal.org>
*
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_13;
import java.io.*;
import java.util.*;
import java.text.*;
public abstract class AltosPreferencesBackend {
public abstract String getString(String key, String def);
public abstract void putString(String key, String value);
public abstract int getInt(String key, int def);
public abstract void putInt(String key, int value);
public abstract double getDouble(String key, double def);
public abstract void putDouble(String key, double value);
public abstract boolean getBoolean(String key, boolean def);
public abstract void putBoolean(String key, boolean value);
public abstract byte[] getBytes(String key, byte[] def);
public abstract void putBytes(String key, byte[] value);
public AltosJson getJson(String key) {
String value = getString(key, null);
if (value == null)
return null;
try {
return AltosJson.fromString(value);
} catch (IllegalArgumentException ie) {
return null;
}
}
public void putJson(String key, AltosJson j) {
putString(key, j.toString());
}
public abstract boolean nodeExists(String key);
public abstract AltosPreferencesBackend node(String key);
public abstract String[] keys();
public abstract void remove(String key);
public abstract void flush();
public abstract File homeDirectory();
public abstract void debug(String format, Object ... arguments);
}
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