package org.mage.plugins.counter;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import mage.interfaces.PluginException;
import mage.interfaces.plugin.CounterPlugin;
import net.xeoh.plugins.base.annotations.PluginImplementation;
import net.xeoh.plugins.base.annotations.events.Init;
import net.xeoh.plugins.base.annotations.events.PluginLoaded;
import net.xeoh.plugins.base.annotations.meta.Author;
import org.apache.log4j.Logger;
/**
* Implementation of {@link CounterPlugin}.<br/>
* Stores data in data folder.
*
* @version 0.1 14.11.2010 Initial Version
* @author nantuko
*/
@PluginImplementation
@Author(name = "nantuko")
public class CounterPluginImpl implements CounterPlugin {
private static final String PLUGIN_DATA_FOLDER_PATH = "plugins" + File.separator + "plugin.data" + File.separator + "counters";
private static final String DATA_STORAGE_FILE = "counters";
private static final Logger log = Logger.getLogger(CounterPluginImpl.class);
private boolean isLoaded = false;
@Init
public void init() {
File dataFolder = new File(PLUGIN_DATA_FOLDER_PATH);
if (!dataFolder.exists()) {
dataFolder.mkdirs();
if (!dataFolder.exists()) {
throw new RuntimeException("CounterPluginImpl: Couldn't create folders: " + PLUGIN_DATA_FOLDER_PATH);
}
}
File data = new File(PLUGIN_DATA_FOLDER_PATH + File.separator + DATA_STORAGE_FILE);
if (!data.exists()) {
try {
data.createNewFile();
} catch (IOException e) {
log.error(e.getMessage(), e);
throw new RuntimeException("Couldn't create data file for counter plugin: " + e.getMessage());
}
}
this.isLoaded = true;
}
@PluginLoaded
public void newPlugin(CounterPlugin plugin) {
log.info(plugin.toString() + " has been loaded.");
}
@Override
public String toString() {
return "[Game counter plugin, version 0.1]";
}
@Override
public void addGamePlayed() throws PluginException {
if (!isLoaded) return;
File data = new File(PLUGIN_DATA_FOLDER_PATH + File.separator + DATA_STORAGE_FILE);
ObjectInputStream ois = null;
ObjectOutputStream oos = null;
if (data.exists()) {
int prev = 0;
try {
ois = new ObjectInputStream(new FileInputStream(data));
Object o = ois.readObject();
CounterBean c;
if (o instanceof CounterBean) {
c = (CounterBean)o;
prev = c.getGamesPlayed();
}
} catch (EOFException e) {
// do nothing
} catch (IOException e) {
throw new PluginException(e);
} catch (ClassNotFoundException e) {
throw new PluginException(e);
} finally {
if (ois != null) try { ois.close(); } catch (Exception e) {}
}
try {
synchronized (this) {
oos = new ObjectOutputStream(new FileOutputStream(data));
CounterBean c = new CounterBean();
c.setGamesPlayed(prev+1);
oos.writeObject(c);
oos.close();
}
} catch (IOException e) {
throw new PluginException(e);
} finally {
if (oos != null) try { oos.close(); } catch (Exception e) {}
}
} else {
log.error("Counter plugin: data file doesn't exist, please restart plugin.");
}
}
@Override
public int getGamePlayed() throws PluginException {
if (!isLoaded) return -1;
File data = new File(PLUGIN_DATA_FOLDER_PATH + File.separator + DATA_STORAGE_FILE);
if (!data.exists()) {
return 0;
}
if (data.exists()) {
ObjectInputStream ois = null;
try {
synchronized (this) {
ois = new ObjectInputStream(new FileInputStream(data));
Object o = ois.readObject();
CounterBean c = null;
if (o instanceof CounterBean) {
c = (CounterBean)o;
}
ois.close();
return c == null ? 0 : c.getGamesPlayed();
}
} catch (EOFException e) {
return 0;
} catch (IOException e) {
throw new PluginException(e);
} catch (ClassNotFoundException e) {
throw new PluginException(e);
} finally {
if (ois != null) try { ois.close(); } catch (Exception e) {}
}
} else {
log.error("Counter plugin: data file doesn't exist, please restart plugin.");
return 0;
}
}
}