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Fixed issue where empty memory sections caused nulls.

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Tastybento 2017-10-26 19:07:59 -07:00
parent 19b7d24ad4
commit f6a676244e
1 changed files with 339 additions and 328 deletions
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667
src/main/java/us/tastybento/bskyblock/database/flatfile/FlatFileDatabaseHandler.java
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@ -19,6 +19,7 @@ import java.util.UUID;
import org.bukkit.Location; import org.bukkit.Location;
import org.bukkit.World; import org.bukkit.World;
import org.bukkit.configuration.MemorySection;
import org.bukkit.configuration.file.YamlConfiguration; import org.bukkit.configuration.file.YamlConfiguration;
import us.tastybento.bskyblock.BSkyBlock; import us.tastybento.bskyblock.BSkyBlock;
@ -36,348 +37,358 @@ import us.tastybento.bskyblock.util.Util;
*/ */
public class FlatFileDatabaseHandler<T> extends AbstractDatabaseHandler<T> { public class FlatFileDatabaseHandler<T> extends AbstractDatabaseHandler<T> {
private static final String DATABASE_FOLDER_NAME = "database"; private static final String DATABASE_FOLDER_NAME = "database";
private static final boolean DEBUG = false; private static final boolean DEBUG = false;
public FlatFileDatabaseHandler(BSkyBlock plugin, Class<T> type, DatabaseConnecter databaseConnecter) { public FlatFileDatabaseHandler(BSkyBlock plugin, Class<T> type, DatabaseConnecter databaseConnecter) {
super(plugin, type, databaseConnecter); super(plugin, type, databaseConnecter);
} }
@Override @Override
protected String createSelectQuery() { protected String createSelectQuery() {
return ""; // not used return ""; // not used
} }
@Override @Override
protected String createInsertQuery() { protected String createInsertQuery() {
return ""; // not used return ""; // not used
} }
@Override @Override
protected String createDeleteQuery() { protected String createDeleteQuery() {
return ""; // Not used return ""; // Not used
} }
/** /**
* Creates a <T> filled with values from the corresponding * Creates a <T> filled with values from the corresponding
* database file * database file
* *
* @return <T> filled with values from the corresponding database file * @return <T> filled with values from the corresponding database file
* @throws IntrospectionException * @throws IntrospectionException
* @throws InvocationTargetException * @throws InvocationTargetException
* @throws IllegalArgumentException * @throws IllegalArgumentException
* @throws IllegalAccessException * @throws IllegalAccessException
* @throws InstantiationException * @throws InstantiationException
* @throws ClassNotFoundException * @throws ClassNotFoundException
*/ */
@Override @Override
public T loadObject(String key) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, IntrospectionException, ClassNotFoundException { public T loadObject(String key) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, IntrospectionException, ClassNotFoundException {
YamlConfiguration config = databaseConnecter.loadYamlFile(type.getSimpleName(), key); YamlConfiguration config = databaseConnecter.loadYamlFile(type.getSimpleName(), key);
return createObject(config); return createObject(config);
} }
@Override @Override
public boolean objectExits(String key) { public boolean objectExits(String key) {
return databaseConnecter.uniqueIdExists(type.getSimpleName(), key); return databaseConnecter.uniqueIdExists(type.getSimpleName(), key);
} }
/** /**
* Loads all the records in this table and returns a list of them * Loads all the records in this table and returns a list of them
* @return list of <T> * @return list of <T>
* @throws InstantiationException * @throws InstantiationException
* @throws IllegalAccessException * @throws IllegalAccessException
* @throws IllegalArgumentException * @throws IllegalArgumentException
* @throws InvocationTargetException * @throws InvocationTargetException
* @throws IntrospectionException * @throws IntrospectionException
* @throws ClassNotFoundException * @throws ClassNotFoundException
*/ */
@Override @Override
public List<T> loadObjects() throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, IntrospectionException, ClassNotFoundException { public List<T> loadObjects() throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, IntrospectionException, ClassNotFoundException {
List<T> list = new ArrayList<T>(); List<T> list = new ArrayList<T>();
FilenameFilter ymlFilter = new FilenameFilter() { FilenameFilter ymlFilter = new FilenameFilter() {
@Override @Override
public boolean accept(File dir, String name) { public boolean accept(File dir, String name) {
String lowercaseName = name.toLowerCase(); String lowercaseName = name.toLowerCase();
if (lowercaseName.endsWith(".yml")) { if (lowercaseName.endsWith(".yml")) {
return true; return true;
} else { } else {
return false; return false;
} }
} }
}; };
File dataFolder = new File(plugin.getDataFolder(), DATABASE_FOLDER_NAME); File dataFolder = new File(plugin.getDataFolder(), DATABASE_FOLDER_NAME);
File tableFolder = new File(dataFolder, type.getSimpleName()); File tableFolder = new File(dataFolder, type.getSimpleName());
if (!tableFolder.exists()) { if (!tableFolder.exists()) {
// Nothing there... // Nothing there...
tableFolder.mkdirs(); tableFolder.mkdirs();
} }
for (File file: tableFolder.listFiles(ymlFilter)) { for (File file: tableFolder.listFiles(ymlFilter)) {
YamlConfiguration config = databaseConnecter.loadYamlFile(type.getSimpleName(), file.getName()); YamlConfiguration config = databaseConnecter.loadYamlFile(type.getSimpleName(), file.getName());
list.add(createObject(config)); list.add(createObject(config));
} }
return list; return list;
} }
/** /**
* *
* Creates a list of <T>s filled with values from the provided ResultSet * Creates a list of <T>s filled with values from the provided ResultSet
* *
* @param config - YAML config file * @param config - YAML config file
* *
* @return <T> filled with values * @return <T> filled with values
* *
* @throws InstantiationException * @throws InstantiationException
* @throws IllegalAccessException * @throws IllegalAccessException
* @throws IntrospectionException * @throws IntrospectionException
* @throws IllegalArgumentException * @throws IllegalArgumentException
* @throws InvocationTargetException * @throws InvocationTargetException
* @throws ClassNotFoundException * @throws ClassNotFoundException
*/ */
private T createObject(YamlConfiguration config) throws InstantiationException, IllegalAccessException, IntrospectionException, IllegalArgumentException, InvocationTargetException, ClassNotFoundException { private T createObject(YamlConfiguration config) throws InstantiationException, IllegalAccessException, IntrospectionException, IllegalArgumentException, InvocationTargetException, ClassNotFoundException {
T instance = type.newInstance(); T instance = type.newInstance();
for (Field field : type.getDeclaredFields()) { for (Field field : type.getDeclaredFields()) {
PropertyDescriptor propertyDescriptor = new PropertyDescriptor(field.getName(), type); PropertyDescriptor propertyDescriptor = new PropertyDescriptor(field.getName(), type);
Method method = propertyDescriptor.getWriteMethod(); Method method = propertyDescriptor.getWriteMethod();
if (DEBUG) if (DEBUG)
plugin.getLogger().info("DEBUG: " + field.getName() + ": " + propertyDescriptor.getPropertyType().getTypeName()); plugin.getLogger().info("DEBUG: " + field.getName() + ": " + propertyDescriptor.getPropertyType().getTypeName());
if (config.contains(field.getName())) { if (config.contains(field.getName())) {
if (propertyDescriptor.getPropertyType().equals(HashMap.class)) { if (propertyDescriptor.getPropertyType().equals(HashMap.class)) {
// Note that we have no idea what type this is // Note that we have no idea what type this is
List<Type> collectionTypes = Util.getCollectionParameterTypes(method); List<Type> collectionTypes = Util.getCollectionParameterTypes(method);
// collectionTypes should be 2 long // collectionTypes should be 2 long
Type keyType = collectionTypes.get(0); Type keyType = collectionTypes.get(0);
Type valueType = collectionTypes.get(1); Type valueType = collectionTypes.get(1);
if (DEBUG) if (DEBUG)
plugin.getLogger().info("DEBUG: is HashMap<" + keyType.getTypeName() + ", " + valueType.getTypeName() + ">"); plugin.getLogger().info("DEBUG: is HashMap<" + keyType.getTypeName() + ", " + valueType.getTypeName() + ">");
// TODO: this may not work with all keys. Further serialization may be required. // TODO: this may not work with all keys. Further serialization may be required.
HashMap<Object,Object> value = new HashMap<Object, Object>(); HashMap<Object,Object> value = new HashMap<Object, Object>();
for (String key : config.getConfigurationSection(field.getName()).getKeys(false)) { for (String key : config.getConfigurationSection(field.getName()).getKeys(false)) {
Object mapKey = deserialize(key,Class.forName(keyType.getTypeName())); Object mapKey = deserialize(key,Class.forName(keyType.getTypeName()));
Object mapValue = deserialize(config.get(field.getName() + "." + key), Class.forName(valueType.getTypeName())); Object mapValue = deserialize(config.get(field.getName() + "." + key), Class.forName(valueType.getTypeName()));
if (DEBUG) { if (DEBUG) {
plugin.getLogger().info("DEBUG: mapKey = " + mapKey + " (" + mapKey.getClass().getCanonicalName() + ")"); plugin.getLogger().info("DEBUG: mapKey = " + mapKey + " (" + mapKey.getClass().getCanonicalName() + ")");
plugin.getLogger().info("DEBUG: mapValue = " + mapValue + " (" + mapValue.getClass().getCanonicalName() + ")"); plugin.getLogger().info("DEBUG: mapValue = " + mapValue + " (" + mapValue.getClass().getCanonicalName() + ")");
} }
value.put(mapKey, mapValue); value.put(mapKey, mapValue);
} }
method.invoke(instance, value); method.invoke(instance, value);
} else if (propertyDescriptor.getPropertyType().equals(Set.class)) { } else if (propertyDescriptor.getPropertyType().equals(Set.class)) {
if (DEBUG) { if (DEBUG) {
plugin.getLogger().info("DEBUG: is Set " + propertyDescriptor.getReadMethod().getGenericReturnType().getTypeName()); plugin.getLogger().info("DEBUG: is Set " + propertyDescriptor.getReadMethod().getGenericReturnType().getTypeName());
plugin.getLogger().info("DEBUG: adding a set"); plugin.getLogger().info("DEBUG: adding a set");
} }
// Loop through the collection resultset // Loop through the collection resultset
// Note that we have no idea what type this is // Note that we have no idea what type this is
List<Type> collectionTypes = Util.getCollectionParameterTypes(method); List<Type> collectionTypes = Util.getCollectionParameterTypes(method);
// collectionTypes should be only 1 long // collectionTypes should be only 1 long
Type setType = collectionTypes.get(0); Type setType = collectionTypes.get(0);
if (DEBUG) if (DEBUG)
plugin.getLogger().info("DEBUG: is HashSet<" + setType.getTypeName() + ">"); plugin.getLogger().info("DEBUG: is HashSet<" + setType.getTypeName() + ">");
Set<Object> value = new HashSet<Object>(); Set<Object> value = new HashSet<Object>();
if (DEBUG) { if (DEBUG) {
plugin.getLogger().info("DEBUG: collection type argument = " + collectionTypes); plugin.getLogger().info("DEBUG: collection type argument = " + collectionTypes);
plugin.getLogger().info("DEBUG: setType = " + setType.getTypeName()); plugin.getLogger().info("DEBUG: setType = " + setType.getTypeName());
} }
for (Object listValue: config.getList(field.getName())) { for (Object listValue: config.getList(field.getName())) {
//plugin.getLogger().info("DEBUG: collectionResultSet size = " + collectionResultSet.getFetchSize()); //plugin.getLogger().info("DEBUG: collectionResultSet size = " + collectionResultSet.getFetchSize());
((Set<Object>) value).add(deserialize(listValue,Class.forName(setType.getTypeName()))); ((Set<Object>) value).add(deserialize(listValue,Class.forName(setType.getTypeName())));
} }
// TODO: this may not work with all keys. Further serialization may be required. // TODO: this may not work with all keys. Further serialization may be required.
//Set<Object> value = new HashSet((List<Object>) config.getList(field.getName())); //Set<Object> value = new HashSet((List<Object>) config.getList(field.getName()));
method.invoke(instance, value); method.invoke(instance, value);
} else if (propertyDescriptor.getPropertyType().equals(ArrayList.class)) { } else if (propertyDescriptor.getPropertyType().equals(ArrayList.class)) {
//plugin.getLogger().info("DEBUG: is Set " + propertyDescriptor.getReadMethod().getGenericReturnType().getTypeName()); //plugin.getLogger().info("DEBUG: is Set " + propertyDescriptor.getReadMethod().getGenericReturnType().getTypeName());
if (DEBUG) if (DEBUG)
plugin.getLogger().info("DEBUG: adding a set"); plugin.getLogger().info("DEBUG: adding a set");
// Loop through the collection resultset // Loop through the collection resultset
// Note that we have no idea what type this is // Note that we have no idea what type this is
List<Type> collectionTypes = Util.getCollectionParameterTypes(method); List<Type> collectionTypes = Util.getCollectionParameterTypes(method);
// collectionTypes should be only 1 long // collectionTypes should be only 1 long
Type setType = collectionTypes.get(0); Type setType = collectionTypes.get(0);
List<Object> value = new ArrayList<Object>(); List<Object> value = new ArrayList<Object>();
//plugin.getLogger().info("DEBUG: collection type argument = " + collectionTypes); //plugin.getLogger().info("DEBUG: collection type argument = " + collectionTypes);
//plugin.getLogger().info("DEBUG: setType = " + setType.getTypeName()); //plugin.getLogger().info("DEBUG: setType = " + setType.getTypeName());
for (Object listValue: config.getList(field.getName())) { for (Object listValue: config.getList(field.getName())) {
//plugin.getLogger().info("DEBUG: collectionResultSet size = " + collectionResultSet.getFetchSize()); //plugin.getLogger().info("DEBUG: collectionResultSet size = " + collectionResultSet.getFetchSize());
((List<Object>) value).add(deserialize(listValue,Class.forName(setType.getTypeName()))); ((List<Object>) value).add(deserialize(listValue,Class.forName(setType.getTypeName())));
} }
// TODO: this may not work with all keys. Further serialization may be required. // TODO: this may not work with all keys. Further serialization may be required.
//Set<Object> value = new HashSet((List<Object>) config.getList(field.getName())); //Set<Object> value = new HashSet((List<Object>) config.getList(field.getName()));
method.invoke(instance, value); method.invoke(instance, value);
} else { } else {
// Not a collection // Not a collection
Object value = config.get(field.getName()); if (DEBUG)
method.invoke(instance, deserialize(value,propertyDescriptor.getPropertyType())); plugin.getLogger().info("DEBUG: not a collection");
Object value = config.get(field.getName());
if (DEBUG) {
plugin.getLogger().info("DEBUG: value = " + value);
plugin.getLogger().info("DEBUG: property type = " + propertyDescriptor.getPropertyType());
plugin.getLogger().info("DEBUG: " + value.getClass());
if (value != null && !value.getClass().equals(MemorySection.class)) {
method.invoke(instance, deserialize(value,propertyDescriptor.getPropertyType()));
}
}
}
}
}
return instance; }
} }
}
/** return instance;
* Inserts T into the corresponding database-table }
*
* @param instance that should be inserted into the database
* @throws IllegalAccessException
* @throws IllegalArgumentException
* @throws InvocationTargetException
* @throws IntrospectionException
*/
@SuppressWarnings("unchecked")
@Override
public void saveObject(T instance) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, IntrospectionException {
// This is the Yaml Configuration that will be used and saved at the end
YamlConfiguration config = new YamlConfiguration();
// The file name of the Yaml file.
String filename = "";
// Run through all the fields in the class that is being stored. EVERY field must have a get and set method
for (Field field : type.getDeclaredFields()) {
// Get the property descriptor for this field
PropertyDescriptor propertyDescriptor = new PropertyDescriptor(field.getName(), type);
// Get the read method, i.e., getXXXX();
Method method = propertyDescriptor.getReadMethod();
// Invoke the read method to get the value. We have no idea what type of value it is.
Object value = method.invoke(instance);
//plugin.getLogger().info("DEBUG: writing " + field.getName());
//plugin.getLogger().info("DEBUG: property desc = " + propertyDescriptor.getPropertyType().getTypeName());
// Depending on the vale type, it'll need serializing differenty
// Check if this field is the mandatory UniqueId field. This is used to identify this instantiation of the class
if (method.getName().equals("getUniqueId")) {
// If the object does not have a unique name assigned to it already, one is created at random
//plugin.getLogger().info("DEBUG: uniqueId = " + value);
String id = (String)value;
if (id.isEmpty()) {
id = databaseConnecter.getUniqueId(type.getSimpleName());
// Set it in the class so that it will be used next time
propertyDescriptor.getWriteMethod().invoke(instance, id);
}
// Save the name for when the file is saved
filename = id;
}
// Collections need special serialization
if (propertyDescriptor.getPropertyType().equals(HashMap.class) || propertyDescriptor.getPropertyType().equals(Map.class)) {
// Maps need to have keys serialized
//plugin.getLogger().info("DEBUG: Map for " + field.getName());
Map<Object, Object> result = new HashMap<Object, Object>();
for (Entry<Object, Object> object : ((Map<Object,Object>)value).entrySet()) {
// Serialize all key types
// TODO: also need to serialize values?
result.put(serialize(object.getKey()), object.getValue());
}
// Save the list in the config file
config.set(field.getName(), result);
} else if (propertyDescriptor.getPropertyType().equals(Set.class)) {
// Sets need to be serialized as string lists
//plugin.getLogger().info("DEBUG: Set for " + field.getName());
List<Object> list = new ArrayList<Object>();
for (Object object : (Set<Object>)value) {
list.add(serialize(object));
}
// Save the list in the config file
config.set(field.getName(), list);
} else {
// For all other data that doesn't need special serialization
config.set(field.getName(), serialize(value));
}
}
if (filename.isEmpty()) {
throw new IllegalArgumentException("No uniqueId in class");
}
// Save the file in the right folder
databaseConnecter.saveYamlFile(config, type.getSimpleName(), filename);
} /**
* Inserts T into the corresponding database-table
*
* @param instance that should be inserted into the database
* @throws IllegalAccessException
* @throws IllegalArgumentException
* @throws InvocationTargetException
* @throws IntrospectionException
*/
@SuppressWarnings("unchecked")
@Override
public void saveObject(T instance) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, IntrospectionException {
// This is the Yaml Configuration that will be used and saved at the end
YamlConfiguration config = new YamlConfiguration();
// The file name of the Yaml file.
String filename = "";
// Run through all the fields in the class that is being stored. EVERY field must have a get and set method
for (Field field : type.getDeclaredFields()) {
// Get the property descriptor for this field
PropertyDescriptor propertyDescriptor = new PropertyDescriptor(field.getName(), type);
// Get the read method, i.e., getXXXX();
Method method = propertyDescriptor.getReadMethod();
// Invoke the read method to get the value. We have no idea what type of value it is.
Object value = method.invoke(instance);
//plugin.getLogger().info("DEBUG: writing " + field.getName());
//plugin.getLogger().info("DEBUG: property desc = " + propertyDescriptor.getPropertyType().getTypeName());
// Depending on the vale type, it'll need serializing differenty
// Check if this field is the mandatory UniqueId field. This is used to identify this instantiation of the class
if (method.getName().equals("getUniqueId")) {
// If the object does not have a unique name assigned to it already, one is created at random
//plugin.getLogger().info("DEBUG: uniqueId = " + value);
String id = (String)value;
if (id.isEmpty()) {
id = databaseConnecter.getUniqueId(type.getSimpleName());
// Set it in the class so that it will be used next time
propertyDescriptor.getWriteMethod().invoke(instance, id);
}
// Save the name for when the file is saved
filename = id;
}
// Collections need special serialization
if (propertyDescriptor.getPropertyType().equals(HashMap.class) || propertyDescriptor.getPropertyType().equals(Map.class)) {
// Maps need to have keys serialized
//plugin.getLogger().info("DEBUG: Map for " + field.getName());
Map<Object, Object> result = new HashMap<Object, Object>();
for (Entry<Object, Object> object : ((Map<Object,Object>)value).entrySet()) {
// Serialize all key types
// TODO: also need to serialize values?
result.put(serialize(object.getKey()), object.getValue());
}
// Save the list in the config file
config.set(field.getName(), result);
} else if (propertyDescriptor.getPropertyType().equals(Set.class)) {
// Sets need to be serialized as string lists
//plugin.getLogger().info("DEBUG: Set for " + field.getName());
List<Object> list = new ArrayList<Object>();
for (Object object : (Set<Object>)value) {
list.add(serialize(object));
}
// Save the list in the config file
config.set(field.getName(), list);
} else {
// For all other data that doesn't need special serialization
config.set(field.getName(), serialize(value));
}
}
if (filename.isEmpty()) {
throw new IllegalArgumentException("No uniqueId in class");
}
// Save the file in the right folder
databaseConnecter.saveYamlFile(config, type.getSimpleName(), filename);
/** }
* Serialize an object if required
* @param object
* @return
*/
private Object serialize(Object object) {
if (object == null) {
return "null";
}
//plugin.getLogger().info("DEBUG: serializing " + object.getClass().getTypeName());
if (object instanceof UUID) {
return ((UUID)object).toString();
}
if (object instanceof World) {
return ((World)object).getName();
}
if (object instanceof Location) {
return Util.getStringLocation((Location)object);
}
if (object instanceof Enum) {
//Custom enums are a child of the Enum class. Just get the names of each one.
return ((Enum<?>)object).name();
}
return object;
}
private Object deserialize(Object value, Class<? extends Object> clazz) { /**
if (DEBUG) { * Serialize an object if required
plugin.getLogger().info("DEBUG: deserialize - class is " + clazz.getCanonicalName()); * @param object
plugin.getLogger().info("DEBUG: value is " + value); * @return
if (value != null) */
plugin.getLogger().info("DEBUG: value class is " + value.getClass().getCanonicalName()); private Object serialize(Object object) {
} if (object == null) {
if (value instanceof String && value.equals("null")) { return "null";
// If the value is null as a string, return null }
return null; //plugin.getLogger().info("DEBUG: serializing " + object.getClass().getTypeName());
} if (object instanceof UUID) {
// Bukkit may have deserialized the object already return ((UUID)object).toString();
if (clazz.equals(value.getClass())) { }
return value; if (object instanceof World) {
} return ((World)object).getName();
// Types that need to be deserialized }
if (clazz.equals(Long.class) && value.getClass().equals(Integer.class)) { if (object instanceof Location) {
return new Long((Integer)value); return Util.getStringLocation((Location)object);
} }
if (clazz.equals(UUID.class)) { if (object instanceof Enum) {
value = UUID.fromString((String)value); //Custom enums are a child of the Enum class. Just get the names of each one.
} return ((Enum<?>)object).name();
// Bukkit Types }
if (clazz.equals(Location.class)) { return object;
// Get Location from String - may be null... }
value = Util.getLocationString(((String)value));
}
if (clazz.equals(World.class)) {
// Get world by name - may be null...
value = plugin.getServer().getWorld((String)value);
}
// Enums
if (clazz.getSuperclass() != null && clazz.getSuperclass().equals(Enum.class)) {
//Custom enums are a child of the Enum class.
// Find out the value
try {
Class<Enum> enumClass = (Class<Enum>)clazz;
value = Enum.valueOf(enumClass, (String)value);
} catch (Exception e) {
// Maybe this value does not exist?
// TODO return something?
e.printStackTrace();
}
}
return value;
}
@Override private Object deserialize(Object value, Class<? extends Object> clazz) {
public void deleteObject(T instance) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, IntrospectionException { if (DEBUG) {
// The file name of the Yaml file. plugin.getLogger().info("DEBUG: deserialize - class is " + clazz.getCanonicalName());
PropertyDescriptor propertyDescriptor = new PropertyDescriptor("uniqueId", type); plugin.getLogger().info("DEBUG: value is " + value);
Method method = propertyDescriptor.getReadMethod(); if (value != null)
String fileName = (String) method.invoke(instance); plugin.getLogger().info("DEBUG: value class is " + value.getClass().getCanonicalName());
if (!fileName.endsWith(".yml")) { }
fileName = fileName + ".yml"; if (value instanceof String && value.equals("null")) {
} // If the value is null as a string, return null
File dataFolder = new File(plugin.getDataFolder(), DATABASE_FOLDER_NAME); return null;
File tableFolder = new File(dataFolder, type.getSimpleName()); }
if (tableFolder.exists()) { // Bukkit may have deserialized the object already
File file = new File(tableFolder, fileName); if (clazz.equals(value.getClass())) {
file.delete(); return value;
} }
} // Types that need to be deserialized
if (clazz.equals(Long.class) && value.getClass().equals(Integer.class)) {
return new Long((Integer)value);
}
if (clazz.equals(UUID.class)) {
value = UUID.fromString((String)value);
}
// Bukkit Types
if (clazz.equals(Location.class)) {
// Get Location from String - may be null...
value = Util.getLocationString(((String)value));
}
if (clazz.equals(World.class)) {
// Get world by name - may be null...
value = plugin.getServer().getWorld((String)value);
}
// Enums
if (clazz.getSuperclass() != null && clazz.getSuperclass().equals(Enum.class)) {
//Custom enums are a child of the Enum class.
// Find out the value
try {
Class<Enum> enumClass = (Class<Enum>)clazz;
value = Enum.valueOf(enumClass, (String)value);
} catch (Exception e) {
// Maybe this value does not exist?
// TODO return something?
e.printStackTrace();
}
}
return value;
}
@Override
public void deleteObject(T instance) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException, IntrospectionException {
// The file name of the Yaml file.
PropertyDescriptor propertyDescriptor = new PropertyDescriptor("uniqueId", type);
Method method = propertyDescriptor.getReadMethod();
String fileName = (String) method.invoke(instance);
if (!fileName.endsWith(".yml")) {
fileName = fileName + ".yml";
}
File dataFolder = new File(plugin.getDataFolder(), DATABASE_FOLDER_NAME);
File tableFolder = new File(dataFolder, type.getSimpleName());
if (tableFolder.exists()) {
File file = new File(tableFolder, fileName);
file.delete();
}
}
} }