/*
* Sone - PluginStoreConfigurationBackend.java - Copyright © 2010–2013 David Roden
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
package net.pterodactylus.sone.freenet;
import java.util.logging.Logger;
import net.pterodactylus.util.config.AttributeNotFoundException;
import net.pterodactylus.util.config.Configuration;
import net.pterodactylus.util.config.ConfigurationException;
import net.pterodactylus.util.config.ExtendedConfigurationBackend;
import net.pterodactylus.util.logging.Logging;
import freenet.client.async.DatabaseDisabledException;
import freenet.pluginmanager.PluginRespirator;
import freenet.pluginmanager.PluginStore;
/**
* Backend for a {@link Configuration} that is based on a {@link PluginStore}.
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
public class PluginStoreConfigurationBackend implements ExtendedConfigurationBackend {
/** The logger. */
@SuppressWarnings("unused")
private static final Logger logger = Logging.getLogger(PluginStoreConfigurationBackend.class);
/** The plugin respirator. */
private final PluginRespirator pluginRespirator;
/** The backing plugin store. */
private final PluginStore pluginStore;
/**
* Creates a new configuration backend based on a plugin store.
*
* @param pluginRespirator
* The plugin respirator
* @throws DatabaseDisabledException
* if the plugin store is not available
*/
public PluginStoreConfigurationBackend(PluginRespirator pluginRespirator) throws DatabaseDisabledException {
this.pluginRespirator = pluginRespirator;
this.pluginStore = pluginRespirator.getStore();
if (this.pluginStore == null) {
throw new DatabaseDisabledException();
}
}
/**
* {@inheritDoc}
*/
@Override
public String getValue(String attribute) throws ConfigurationException {
if (!pluginStore.strings.containsKey(attribute)) {
throw new AttributeNotFoundException(attribute);
}
return pluginStore.strings.get(attribute);
}
/**
* {@inheritDoc}
*/
@Override
public void putValue(String attribute, String value) throws ConfigurationException {
pluginStore.strings.put(attribute, value);
save();
}
/**
* {@inheritDoc}
*/
@Override
public Boolean getBooleanValue(String attribute) throws ConfigurationException {
if (!pluginStore.booleans.containsKey(attribute)) {
throw new AttributeNotFoundException(attribute);
}
return pluginStore.booleans.get(attribute);
}
/**
* {@inheritDoc}
*/
@Override
public void setBooleanValue(String attribute, Boolean value) throws ConfigurationException {
pluginStore.booleans.put(attribute, value);
save();
}
/**
* {@inheritDoc}
*/
@Override
public Double getDoubleValue(String attribute) throws ConfigurationException {
if (!pluginStore.strings.containsKey(attribute)) {
throw new AttributeNotFoundException(attribute);
}
String stringValue = pluginStore.strings.get(attribute);
if (stringValue == null) {
return null;
}
try {
return Double.valueOf(pluginStore.strings.get(attribute));
} catch (NumberFormatException nfe1) {
throw new ConfigurationException("Could not parse “" + stringValue + "”.", nfe1);
}
}
/**
* {@inheritDoc}
*/
@Override
public void setDoubleValue(String attribute, Double value) throws ConfigurationException {
pluginStore.strings.put(attribute, String.valueOf(value));
save();
}
/**
* {@inheritDoc}
*/
@Override
public Integer getIntegerValue(String attribute) throws ConfigurationException {
if (!pluginStore.integers.containsKey(attribute)) {
throw new AttributeNotFoundException(attribute);
}
return pluginStore.integers.get(attribute);
}
/**
* {@inheritDoc}
*/
@Override
public void setIntegerValue(String attribute, Integer value) throws ConfigurationException {
pluginStore.integers.put(attribute, value);
save();
}
/**
* {@inheritDoc}
*/
@Override
public Long getLongValue(String attribute) throws ConfigurationException {
if (!pluginStore.longs.containsKey(attribute)) {
throw new AttributeNotFoundException(attribute);
}
return pluginStore.longs.get(attribute);
}
/**
* {@inheritDoc}
*/
@Override
public void setLongValue(String attribute, Long value) throws ConfigurationException {
pluginStore.longs.put(attribute, value);
save();
}
/**
* {@inheritDoc}
*/
@Override
public void save() throws ConfigurationException {
try {
pluginRespirator.putStore(pluginStore);
} catch (DatabaseDisabledException dde1) {
throw new ConfigurationException("Could not store plugin store, database is disabled.", dde1);
}
}
}