0

Copied over mysql adapter

This commit is contained in:
Pepich 2017-02-01 22:01:30 +01:00
parent ca61e9d418
commit 721acca534
35 changed files with 989 additions and 0 deletions

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package com.redstoner.misc.mysql;
import java.io.File;
import com.redstoner.misc.Main;
public class FolderRegistry
{
public static File moduleFolder, configFolder, commandFolder, tempFolder;
public static void init()
{
File dataFolder = Main.plugin.getDataFolder();
moduleFolder = new File(dataFolder + "/modules");
configFolder = new File(dataFolder + "/config");
commandFolder = new File(dataFolder + "/commands");
tempFolder = new File(dataFolder + "/temp");
if (!moduleFolder.exists())
{
moduleFolder.mkdirs();
}
if (!configFolder.exists())
{
configFolder.mkdirs();
}
if (!commandFolder.exists())
{
commandFolder.mkdirs();
}
if (tempFolder.exists())
{
deleteFolder(tempFolder);
}
if (!tempFolder.exists())
{
tempFolder.mkdirs();
}
}
public static boolean deleteFolder(File folder)
{
for (File file : folder.listFiles())
{
if (file.isDirectory())
{
if (!deleteFolder(file))
{
return false;
}
}
else
{
if (!file.delete())
{
return false;
}
}
}
if (folder.delete())
{
return true;
}
else
{
return false;
}
}
}

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package com.redstoner.misc.mysql;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
public class JSONManager
{
public static Map<Serializable, Serializable> getConfiguration(String fileName)
{
File file = new File(FolderRegistry.configFolder, fileName);
if (!file.exists())
{
try
{
PrintWriter writer = new PrintWriter(file.getAbsolutePath(), "UTF-8");
writer.println("{}");
writer.close();
}
catch (FileNotFoundException | UnsupportedEncodingException e)
{
e.printStackTrace();
}
}
try
{
return loadMap(file);
}
catch (IOException | ParseException e)
{
e.printStackTrace();
return null;
}
}
public static void saveConfiguration(Map<Serializable, Serializable> config, String fileName)
{
try
{
saveMap(new File(FolderRegistry.configFolder, fileName), config);
}
catch (IOException e)
{
e.printStackTrace();
}
}
@SuppressWarnings("unchecked")
public static void saveList(File file, List<Serializable> entries) throws IOException
{
JSONArray array = new JSONArray();
array.addAll(entries);
FileWriter writer = new FileWriter(file);
writer.write(array.toJSONString());
writer.close();
}
public static List<Serializable> loadList(File file) throws IOException, ParseException
{
FileReader read = new FileReader(file);
List<Serializable> entries = new ArrayList<>();
JSONArray array = (JSONArray) new JSONParser().parse(read);
for (Object o : array)
{
entries.add((Serializable) o);
}
return entries;
}
@SuppressWarnings("unchecked")
public static void saveMap(File file, Map<Serializable, Serializable> entries) throws IOException
{
JSONObject map = new JSONObject();
map.putAll(entries);
FileWriter writer = new FileWriter(file);
writer.write(map.toJSONString());
writer.close();
}
public static Map<Serializable, Serializable> loadMap(File file) throws IOException, ParseException
{
FileReader reader = new FileReader(file);
JSONObject map = (JSONObject) new JSONParser().parse(reader);
Map<Serializable, Serializable> entries = new HashMap<>();
for (Object o : map.keySet())
{
entries.put((Serializable) o, (Serializable) map.get(o));
}
return entries;
}
}

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package com.redstoner.misc.mysql;
import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.json.simple.parser.ParseException;
import com.redstoner.misc.mysql.elements.MysqlDatabase;
public class MysqlHandler
{
public static MysqlHandler INSTANCE;
private String url, username, password;
public MysqlHandler(String hostname, int port, String username, String password)
{
this.url = "jdbc:mysql://" + hostname + ":" + port + "/";
this.username = username;
this.password = password;
}
public static void init()
{
Map<Serializable, Serializable> mysqlCredentials = new HashMap<>();
File mysqlCredentialsFile = new File(FolderRegistry.configFolder, "mysqlCredentials.json");
if (mysqlCredentialsFile.exists())
{
try
{
mysqlCredentials = JSONManager.loadMap(mysqlCredentialsFile);
}
catch (IOException | ParseException e)
{
e.printStackTrace();
}
}
else
{
Bukkit.getConsoleSender().sendMessage(
ChatColor.RED + "MySQL config does not exist, creating an example one, things might (will) break!");
mysqlCredentials.put("hostname", "localhost");
mysqlCredentials.put("port", "3306");
mysqlCredentials.put("username", "your username here");
mysqlCredentials.put("password", "your password here");
try
{
JSONManager.saveMap(mysqlCredentialsFile, mysqlCredentials);
}
catch (IOException e)
{
e.printStackTrace();
}
}
String hostname = (String) mysqlCredentials.get("hostname");
int port = Integer.valueOf((String) mysqlCredentials.get("port"));
String username = (String) mysqlCredentials.get("username");
String password = (String) mysqlCredentials.get("password");
INSTANCE = new MysqlHandler(hostname, port, username, password);
}
private Connection getConnection(String databaseName) throws IllegalStateException
{
Connection connection = null;
try
{
connection = DriverManager.getConnection(url + databaseName, username, password);
}
catch (SQLException e)
{
throw new IllegalStateException("Cannot connect to the database!", e);
}
return connection;
}
public MysqlDatabase getDatabase(String databaseName)
{
return new MysqlDatabase(getConnection(databaseName));
}
public List<MysqlDatabase> getDatabases()
{
try
{
List<MysqlDatabase> databases = new ArrayList<>();
Connection connection = DriverManager.getConnection(url.substring(0, url.length()), username, password);
DatabaseMetaData metadata = connection.getMetaData();
ResultSet queryResults = metadata.getCatalogs();
while (queryResults.next())
{
String databaseName = queryResults.getString("TABLE_CAT");
databases.add(new MysqlDatabase(getConnection(databaseName)));
}
connection.close();
return databases;
}
catch (SQLException e)
{
e.printStackTrace();
return null;
}
}
}

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package com.redstoner.misc.mysql;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class MysqlQueryHandler {
public static ResultSet queryResult(Connection connection, String query) {
try {
Statement statement = connection.createStatement();
ResultSet results = statement.executeQuery(query);
return results;
} catch (SQLException e) {
e.printStackTrace();
return null;
}
}
public static boolean queryNoResult(Connection connection, String query) {
try {
CallableStatement statement = connection.prepareCall(query);
statement.execute();
return true;
} catch (SQLException e) {
e.printStackTrace();
return false;
}
}
}

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package com.redstoner.misc.mysql.elements;
public enum ConstraintOperator {
LESS_THAN, GREATER_THAN, EQUAL, NOT_EQUAL, LESS_THAN_OR_EQUAL, GREATER_THAN_OR_EQUAL;
public String toString() {
switch (this) {
case LESS_THAN:
return "<";
case GREATER_THAN:
return ">";
case EQUAL:
return "=";
case NOT_EQUAL:
return "!=";
case LESS_THAN_OR_EQUAL:
return "<=";
case GREATER_THAN_OR_EQUAL:
return ">=";
default:
return "=";
}
}
}

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package com.redstoner.misc.mysql.elements;
public class MysqlConstraint {
private String fieldName, value;
private ConstraintOperator operator;
public MysqlConstraint(String fieldName, ConstraintOperator operator, String value) {
this.fieldName = fieldName;
this.operator = operator;
this.value = value;
}
public String getFieldName() {
return fieldName;
}
public String getValue() {
return value;
}
public ConstraintOperator getOperator() {
return operator;
}
}

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package com.redstoner.misc.mysql.elements;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import com.redstoner.misc.mysql.MysqlQueryHandler;
public class MysqlDatabase {
private Connection connection;
public MysqlDatabase(Connection connection) {
this.connection = connection;
}
public String getName() {
try {
return connection.getCatalog();
} catch (SQLException e) {
e.printStackTrace();
return null;
}
}
public MysqlTable getTable(String name) {
return new MysqlTable(this, name);
}
public boolean createTable(String name, MysqlField... description) {
return MysqlQueryHandler.queryNoResult(connection, "CREATE TABLE `" + name + "` " + getDescription(description) + ";");
}
public boolean createTableIfNotExists(String name, MysqlField... description) {
return MysqlQueryHandler.queryNoResult(connection, "CREATE TABLE IF NOT EXISTS `" + name + "` " + getDescription(description) + ";");
}
public boolean dropTable(String name) {
return MysqlQueryHandler.queryNoResult(connection, "DROP TABLE `" + name + "`;");
}
public boolean drop() {
return MysqlQueryHandler.queryNoResult(connection, "DROP DATABASE `" + getName() + "`;");
}
public List<MysqlTable> getTables() {
try {
List<MysqlTable> tables = new ArrayList<>();
DatabaseMetaData metadata = connection.getMetaData();
ResultSet queryResults = metadata.getTables(null, null, "%", null);
while (queryResults.next()) {
tables.add(new MysqlTable(this, queryResults.getString(3)));
}
return tables;
} catch (SQLException e) {
e.printStackTrace();
return null;
}
}
protected Connection getConnection() {
return connection;
}
private String getDescription(MysqlField... description) {
String desc = "(";
for (int i = 0; i < description.length; i++) {
String nil = "";
if (description[i].canBeNull()) {
nil = " NOT NULL";
}
desc += "`" + description[i].getName() + "` " + description[i].getType().getName() + nil;
if (i < description.length - 1) {
desc += ",";
}
}
desc += ")";
return desc;
}
}

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package com.redstoner.misc.mysql.elements;
import com.redstoner.misc.mysql.types.MysqlType;
public class MysqlField {
private String name;
private MysqlType type;
private boolean canBeNull;
public MysqlField(String name, MysqlType type, boolean canBeNull) {
this.name = name;
this.type = type;
this.canBeNull = canBeNull;
}
public MysqlField(String name, String type, boolean canBeNull) {
this.name = name;
this.type = MysqlType.getTypeFromString(type);
this.canBeNull = canBeNull;
}
public String getName() {
return name;
}
public MysqlType getType() {
return type;
}
public boolean canBeNull() {
return canBeNull;
}
}

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package com.redstoner.misc.mysql.elements;
import java.sql.ResultSet;
import java.sql.SQLException;
public class MysqlResult {
private ResultSet results;
public MysqlResult(ResultSet results) {
this.results = results;
}
public Object getObject(int columnIndex, Class<?> type) throws SQLException {
return results.getObject(columnIndex, type);
}
}

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package com.redstoner.misc.mysql.elements;
import java.sql.DatabaseMetaData;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import com.redstoner.misc.mysql.MysqlQueryHandler;
public class MysqlTable {
private MysqlDatabase database;
private String name;
public MysqlTable(MysqlDatabase database, String name) {
this.database = database;
this.name = name;
}
public String getName() {
return this.name;
}
public MysqlField[] describe() {
try {
List<MysqlField> description = new ArrayList<>();
DatabaseMetaData metadata = database.getConnection().getMetaData();
ResultSet queryResults = metadata.getColumns(null, null, name, null);
while (queryResults.next()) {
description.add(new MysqlField(queryResults.getString(4), queryResults.getString(6).split(" ")[0] + "(" + queryResults.getString(7) + ")", queryResults.getBoolean(11)));
}
return description.toArray(new MysqlField[0]);
} catch (SQLException e) {
e.printStackTrace();
return null;
}
}
public boolean insert(String... values) {
MysqlField[] description = describe();
if (values.length > 0 && values.length == description.length) {
String val = "(\"" + String.join("\",\"", values) + "\")";
return MysqlQueryHandler.queryNoResult(database.getConnection(), "INSERT INTO `" + name + "` VALUES " + val + ";");
} else {
return false;
}
}
public Object[] get(String fieldName, MysqlConstraint... constraints) {
ResultSet results = MysqlQueryHandler.queryResult(database.getConnection(), "SELECT " + fieldName + " FROM `" + name + "`" + getConstraints(constraints) + ";");
List<Object> resObj = new ArrayList<>();
try {
while (results.next()) {
resObj.add(results.getObject(1));
}
} catch (SQLException e) {
e.printStackTrace();
return new Object[0];
}
return resObj.toArray(new Object[0]);
}
public boolean delete(MysqlConstraint... constraints) {
return MysqlQueryHandler.queryNoResult(database.getConnection(), "DELETE FROM `" + name + "`" + getConstraints(constraints) + ";");
}
public boolean drop() {
return MysqlQueryHandler.queryNoResult(database.getConnection(), "DROP TABLE `" + name + "`;");
}
private String getConstraints(MysqlConstraint... constraints) {
String cons = "";
if (constraints.length > 0) {
cons += " WHERE ";
for (int i = 0; i < constraints.length; i++) {
MysqlConstraint constraint = constraints[i];
cons += constraint.getFieldName() + constraint.getOperator().toString() + "\"" + constraint.getValue() + "\"";
if (i < constraints.length - 1) {
cons += " AND ";
}
}
}
return cons;
}
}

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package com.redstoner.misc.mysql.types;
import com.redstoner.misc.mysql.types.date.Date;
import com.redstoner.misc.mysql.types.date.DateTime;
import com.redstoner.misc.mysql.types.date.Time;
import com.redstoner.misc.mysql.types.date.TimeStamp;
import com.redstoner.misc.mysql.types.date.Year;
import com.redstoner.misc.mysql.types.number.BigInt;
import com.redstoner.misc.mysql.types.number.Decimal;
import com.redstoner.misc.mysql.types.number.Double;
import com.redstoner.misc.mysql.types.number.Float;
import com.redstoner.misc.mysql.types.number.Int;
import com.redstoner.misc.mysql.types.number.MediumInt;
import com.redstoner.misc.mysql.types.number.SmallInt;
import com.redstoner.misc.mysql.types.number.TinyInt;
import com.redstoner.misc.mysql.types.text.Blob;
import com.redstoner.misc.mysql.types.text.Char;
import com.redstoner.misc.mysql.types.text.Enum;
import com.redstoner.misc.mysql.types.text.LongBlob;
import com.redstoner.misc.mysql.types.text.LongText;
import com.redstoner.misc.mysql.types.text.MediumBlob;
import com.redstoner.misc.mysql.types.text.MediumText;
import com.redstoner.misc.mysql.types.text.Set;
import com.redstoner.misc.mysql.types.text.Text;
import com.redstoner.misc.mysql.types.text.TinyText;
import com.redstoner.misc.mysql.types.text.VarChar;
public abstract class MysqlType
{
public abstract String getName();
public static MysqlType getTypeFromString(String type)
{
String[] splitType = type.split("\\(");
String toSwitch = splitType[0].toUpperCase();
String value = "";
if (type.contains("(") && type.endsWith(")"))
{
value = splitType[1].substring(0, splitType[1].length() - 1);
}
switch (toSwitch)
{
case "CHAR":
return new Char(Integer.valueOf(value));
case "ENUM":
return new Enum(value.replaceAll("'", "").split(","));
case "VARCHAR":
return new VarChar(Integer.valueOf(value));
case "SET":
return new Set(value.replaceAll("'", "").split(","));
case "BLOB":
return new Blob();
case "TEXT":
return new Text();
case "MEDIUMBLOB":
return new MediumBlob();
case "LONGBLOB":
return new LongBlob();
case "TINYTEXT":
return new TinyText();
case "MEDIUMTEXT":
return new MediumText();
case "LONGTEXT":
return new LongText();
case "INT":
return new Int(Integer.valueOf(value));
case "TINYINT":
return new TinyInt(Integer.valueOf(value));
case "SMALLINT":
return new SmallInt(Integer.valueOf(value));
case "MEDIUMINT":
return new MediumInt(Integer.valueOf(value));
case "BIGINT":
return new BigInt(Integer.valueOf(value));
case "BIT":
return new TinyInt(1);
case "FLOAT":
return new Float();
case "DOUBLE":
return new Double();
case "DECIMAL":
return new Decimal();
case "DATE":
return new Date();
case "DATETIME":
return new DateTime();
case "TIME":
return new Time();
case "TIMESTAMP":
return new TimeStamp();
case "YEAR":
return new Year();
}
return null;
}
}

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package com.redstoner.misc.mysql.types.date;
import com.redstoner.misc.mysql.types.MysqlType;
public class Date extends MysqlType {
@Override
public String getName() {
return "DATE";
}
}

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package com.redstoner.misc.mysql.types.date;
import com.redstoner.misc.mysql.types.MysqlType;
public class DateTime extends MysqlType {
@Override
public String getName() {
return "DATETIME";
}
}

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package com.redstoner.misc.mysql.types.date;
import com.redstoner.misc.mysql.types.MysqlType;
public class Time extends MysqlType {
@Override
public String getName() {
return "TIME";
}
}

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package com.redstoner.misc.mysql.types.date;
import com.redstoner.misc.mysql.types.MysqlType;
public class TimeStamp extends MysqlType {
@Override
public String getName() {
return "TIMESTAMP";
}
}

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package com.redstoner.misc.mysql.types.date;
import com.redstoner.misc.mysql.types.MysqlType;
public class Year extends MysqlType {
@Override
public String getName() {
return "YEAR";
}
}

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package com.redstoner.misc.mysql.types.number;
public class BigInt extends Int {
public BigInt(int maxSize) {
super(maxSize);
}
@Override
public String getName() {
return "BIG" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.number;
import com.redstoner.misc.mysql.types.MysqlType;
public class Decimal extends MysqlType {
@Override
public String getName() {
return "DECIMAL";
}
}

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package com.redstoner.misc.mysql.types.number;
import com.redstoner.misc.mysql.types.MysqlType;
public class Double extends MysqlType {
@Override
public String getName() {
return "DOUBLE";
}
}

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package com.redstoner.misc.mysql.types.number;
import com.redstoner.misc.mysql.types.MysqlType;
public class Float extends MysqlType {
@Override
public String getName() {
return "FLOAT";
}
}

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package com.redstoner.misc.mysql.types.number;
import com.redstoner.misc.mysql.types.MysqlType;
public class Int extends MysqlType {
private int maxSize;
public Int(int maxSize) {
this.maxSize = maxSize;
}
@Override
public String getName() {
return "INT(" + maxSize + ")";
}
}

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package com.redstoner.misc.mysql.types.number;
public class MediumInt extends Int {
public MediumInt(int maxSize) {
super(maxSize);
}
@Override
public String getName() {
return "MEDIUM" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.number;
public class SmallInt extends Int {
public SmallInt(int maxSize) {
super(maxSize);
}
@Override
public String getName() {
return "SMALL" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.number;
public class TinyInt extends Int {
public TinyInt(int maxSize) {
super(maxSize);
}
@Override
public String getName() {
return "TINY" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.text;
import com.redstoner.misc.mysql.types.MysqlType;
public class Blob extends MysqlType {
@Override
public String getName() {
return "BLOB";
}
}

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package com.redstoner.misc.mysql.types.text;
import com.redstoner.misc.mysql.types.MysqlType;
public class Char extends MysqlType {
private int size;
public Char(int size) {
this.size = size;
}
@Override
public String getName() {
return "CHAR(" + size + ")";
}
}

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package com.redstoner.misc.mysql.types.text;
import com.redstoner.misc.mysql.types.MysqlType;
public class Enum extends MysqlType {
private String[] possibleValues;
public Enum(String... possibleValues) {
this.possibleValues = possibleValues;
}
@Override
public String getName() {
String name = "ENUM(";
for (int i = 0; i < possibleValues.length; i++) {
name += "'" + possibleValues[i] + "'";
if (i != possibleValues.length - 1) {
name += ",";
}
}
return name + ")";
}
}

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package com.redstoner.misc.mysql.types.text;
public class LongBlob extends Blob {
@Override
public String getName() {
return "LONG" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.text;
public class LongText extends Text {
@Override
public String getName() {
return "LONG" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.text;
public class MediumBlob extends Blob {
@Override
public String getName() {
return "MEDIUM" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.text;
public class MediumText extends Text {
@Override
public String getName() {
return "MEDIUM" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.text;
import com.redstoner.misc.mysql.types.MysqlType;
public class Set extends MysqlType {
private String[] possibleValues;
public Set(String... possibleValues) {
this.possibleValues = possibleValues;
}
@Override
public String getName() {
String name = "SET(";
for (int i = 0; i < possibleValues.length; i++) {
name += "'" + possibleValues[i] + "'";
if (i != possibleValues.length - 1) {
name += ",";
}
}
return name + ")";
}
}

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package com.redstoner.misc.mysql.types.text;
import com.redstoner.misc.mysql.types.MysqlType;
public class Text extends MysqlType {
@Override
public String getName() {
return "TEXT";
}
}

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package com.redstoner.misc.mysql.types.text;
public class TinyText extends Text {
@Override
public String getName() {
return "TINY" + super.getName();
}
}

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package com.redstoner.misc.mysql.types.text;
import com.redstoner.misc.mysql.types.MysqlType;
public class VarChar extends MysqlType {
private int maxSize;
public VarChar(int maxSize) {
this.maxSize = maxSize;
}
@Override
public String getName() {
return "VARCHAR(" + maxSize + ")";
}
}