/*
    * Copyright 2004-2025 the original author or authors.
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *    https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.ibatis.sqlmap.engine.type;
  
  import java.sql.Types;
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Singleton.
   */
  public class JdbcTypeRegistry {
  
    /** Value for the unknown type. */
    public static final int UNKNOWN_TYPE = -99999999;
  
    /** The Constant TYPE_MAP. */
    private static final Map<String, Integer> TYPE_MAP = new HashMap<>();
  
    /**
     * Value for a JDBC 3.o datalink type
     */
    public static final int JDBC_30_DATALINK = 70;
  
    /**
     * Value for a JDBC 3.o boolean type
     */
    public static final int JDBC_30_BOOLEAN = 16;
  
    static {
      initializeTypes();
    }
  
    /**
     * Instantiates a new jdbc type registry.
     */
    private JdbcTypeRegistry() {
    }
  
    /**
     * Sets the type.
     *
     * @param name
     *          the name
     * @param value
     *          the value
     */
    public static void setType(String name, int value) {
      TYPE_MAP.put(name, Integer.valueOf(value));
    }
  
    /**
     * Looks up a type by name, and returns it's int value (from java.sql.Types)
     *
     * @param name
     *          - the type name
     *
     * @return - the int value (from java.sql.Types)
     */
    public static int getType(String name) {
      if (name == null) {
        return UNKNOWN_TYPE;
      }
      Integer i = TYPE_MAP.get(name);
      if (i != null) {
        return i.intValue();
      }
      return UNKNOWN_TYPE;
    }
  
    /**
     * Initialize types.
     */
    private static void initializeTypes() {
      setType("ARRAY", Types.ARRAY);
      setType("BIGINT", Types.BIGINT);
      setType("BINARY", Types.BINARY);
      setType("BIT", Types.BIT);
      setType("BLOB", Types.BLOB);
      setType("BOOLEAN", JDBC_30_BOOLEAN);
      setType("CHAR", Types.CHAR);
      setType("CLOB", Types.CLOB);
      setType("DATALINK", JDBC_30_DATALINK);
      setType("DATE", Types.DATE);
      setType("DECIMAL", Types.DECIMAL);
      setType("DISTINCT", Types.DISTINCT);
     setType("DOUBLE", Types.DOUBLE);
     setType("FLOAT", Types.FLOAT);
     setType("INTEGER", Types.INTEGER);
     setType("JAVA_OBJECT", Types.JAVA_OBJECT);
     setType("LONGVARBINARY", Types.LONGVARBINARY);
     setType("LONGVARCHAR", Types.LONGVARCHAR);
     setType("NULL", Types.NULL);
     setType("NUMERIC", Types.NUMERIC);
     setType("OTHER", Types.OTHER);
     setType("REAL", Types.REAL);
     setType("REF", Types.REF);
     setType("SMALLINT", Types.SMALLINT);
     setType("STRUCT", Types.STRUCT);
     setType("TIME", Types.TIME);
     setType("TIMESTAMP", Types.TIMESTAMP);
     setType("TINYINT", Types.TINYINT);
     setType("VARBINARY", Types.VARBINARY);
     setType("VARCHAR", Types.VARCHAR);
 
     setType("CH", Types.CHAR);
     setType("VC", Types.VARCHAR);
 
     setType("DT", Types.DATE);
     setType("TM", Types.TIME);
     setType("TS", Types.TIMESTAMP);
 
     setType("NM", Types.NUMERIC);
     setType("II", Types.INTEGER);
     setType("BI", Types.BIGINT);
     setType("SI", Types.SMALLINT);
     setType("TI", Types.TINYINT);
 
     setType("DC", Types.DECIMAL);
     setType("DB", Types.DOUBLE);
     setType("FL", Types.FLOAT);
 
     setType("ORACLECURSOR", -10);
 
   }
 
 }