Types.BIGINT : Types « java.sql « Java by API






Types.BIGINT

 

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Types;

/**
 * Print an SQL ResultSet in SQL-import format. TODO: check all escaped
 * characters needed! Test on PGSQL and DB2 at least...
 * 
 * @version $Id: ResultsDecoratorSQL.java,v 1.2 2004/03/26 02:39:33 ian Exp $
 */
public class Main extends ResultsDecorator {
  Main(ResultsDecoratorPrinter out) {
    super(out);
  }

  public void write(ResultSet rs) throws IOException, SQLException {
    ResultSetMetaData md = rs.getMetaData();
    // This assumes you're not using a Join!!
    String tableName = md.getTableName(1);
    int cols = md.getColumnCount();
    StringBuffer sb = new StringBuffer("insert into ").append(tableName)
        .append("(");
    for (int i = 1; i <= cols; i++) {
      sb.append(md.getColumnName(i));
      if (i != cols) {
        sb.append(", ");
      }
    }
    sb.append(") values (");
    String insertCommand = sb.toString();
    while (rs.next()) {
      println(insertCommand);
      for (int i = 1; i <= cols; i++) {
        String tmp = rs.getString(i);
        if (rs.wasNull()) {
          print("null");
        } else {
          int type = md.getColumnType(i);
          // Don't quote numeric types; quote all others for now.
          switch (type) {
          case Types.BIGINT:
          case Types.DECIMAL:
          case Types.DOUBLE:
          case Types.FLOAT:
          case Types.INTEGER:
            print(tmp);
            break;
          default:
            tmp = tmp.replaceAll("'", "''");
            print("'" + tmp + "'");
          }
        }
        if (i != cols) {
          print(", ");
        }
      }
      println(");");
    }
  }

  void write(int rowCount) throws IOException {
    println("RowCount: " + rowCount);

  }

  /*
   * (non-Javadoc)
   * 
   * @see ResultsDecorator#getName()
   */
  String getName() {
    return "SQL";
  }
}
/**
 * Base class for a series of ResultSet printers.
 * 
 * @version $Id: ResultsDecorator.java,v 1.2 2004/03/26 02:39:33 ian Exp $
 */

abstract class ResultsDecorator {
  ResultsDecoratorPrinter parent;

  ResultsDecorator(ResultsDecoratorPrinter wr) {
    this.parent = wr;
  }

  /** Print the name of this Decorator's output format */
  abstract String getName();

  /** Print the contents of a ResultSet */
  abstract void write(ResultSet rs) throws IOException, SQLException;

  /** Print the results of an operation as a Count */
  abstract void write(int rowCount) throws IOException;

  void println(String line) throws IOException {
    parent.println(line);
  }

  void println() throws IOException {
    parent.println();
  }

  void print(String lineSeg) throws IOException {
    parent.print(lineSeg);
  }
}

/**
 * Callback so that ResultsDecorator can call invoker to handle redirections
 * etc.
 * 
 * @version $Id: ResultsDecoratorPrinter.java,v 1.1 2004/03/26 02:39:33 ian Exp $
 */

interface ResultsDecoratorPrinter {

  void print(String line) throws IOException;

  void println(String line) throws IOException;

  void println() throws IOException;

  PrintWriter getPrintWriter();
}

   
  








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