/*
 *  Copyright 2004 Clinton Begin
 *
 *  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
 *
 *      http://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.common.jdbc.logging;

import java.util.*;

/**
 * Base class for proxies to do logging
 */
public class BaseLogProxy {

  private static int nextId = 100000;
  protected static final Set SET_METHODS = new HashSet();
  protected static final Set GET_METHODS = new HashSet();
  protected static final Set EXECUTE_METHODS = new HashSet();

  private Map columnMap = new HashMap();

  private List columnNames = new ArrayList();
  private List columnValues = new ArrayList();

  protected int id;

  /**
   * Default constructor
   */
  public BaseLogProxy() {
    id = getNextId();
  }

  static {
    SET_METHODS.add("setString");
    SET_METHODS.add("setInt");
    SET_METHODS.add("setByte");
    SET_METHODS.add("setShort");
    SET_METHODS.add("setLong");
    SET_METHODS.add("setDouble");
    SET_METHODS.add("setFloat");
    SET_METHODS.add("setTimestamp");
    SET_METHODS.add("setDate");
    SET_METHODS.add("setTime");
    SET_METHODS.add("setArray");
    SET_METHODS.add("setBigDecimal");
    SET_METHODS.add("setAsciiStream");
    SET_METHODS.add("setBinaryStream");
    SET_METHODS.add("setBlob");
    SET_METHODS.add("setBoolean");
    SET_METHODS.add("setBytes");
    SET_METHODS.add("setCharacterStream");
    SET_METHODS.add("setClob");
    SET_METHODS.add("setObject");
    SET_METHODS.add("setNull");

    GET_METHODS.add("getString");
    GET_METHODS.add("getInt");
    GET_METHODS.add("getByte");
    GET_METHODS.add("getShort");
    GET_METHODS.add("getLong");
    GET_METHODS.add("getDouble");
    GET_METHODS.add("getFloat");
    GET_METHODS.add("getTimestamp");
    GET_METHODS.add("getDate");
    GET_METHODS.add("getTime");
    GET_METHODS.add("getArray");
    GET_METHODS.add("getBigDecimal");
    GET_METHODS.add("getAsciiStream");
    GET_METHODS.add("getBinaryStream");
    GET_METHODS.add("getBlob");
    GET_METHODS.add("getBoolean");
    GET_METHODS.add("getBytes");
    GET_METHODS.add("getCharacterStream");
    GET_METHODS.add("getClob");
    GET_METHODS.add("getObject");
    GET_METHODS.add("getNull");

    EXECUTE_METHODS.add("execute");
    EXECUTE_METHODS.add("executeUpdate");
    EXECUTE_METHODS.add("executeQuery");

  }

  protected void setColumn(Object key, Object value) {
    columnMap.put(key, value);
    columnNames.add(key);
    columnValues.add(value);
  }

  protected Object getColumn(Object key) {
    return columnMap.get(key);
  }

  protected String getValueString() {
    return columnValues.toString();
  }

  protected String getTypeString() {
    List typeList = new ArrayList(columnValues.size());
    for (int i = 0; i < columnValues.size(); i++) {
      Object value = columnValues.get(i);
      if (value == null) {
        typeList.add("null");
      } else {
        typeList.add(value.getClass().getName());
      }
    }
    return typeList.toString();
  }

  protected String getColumnString() {
    return columnNames.toString();
  }

  protected void clearColumnInfo() {
    columnMap.clear();
    columnNames.clear();
    columnValues.clear();
  }

  protected String removeBreakingWhitespace(String original) {
    return original.replace('\n', ' ').replace('\r', ' ').replace('\t', ' ');
  }

  protected synchronized static int getNextId() {
    return nextId++;
  }

}