src/org/objectweb/cjdbc/driver/Blob.java

説明を見る。

package org.objectweb.cjdbc.driver;

import java.io.ByteArrayInputStream;
import java.io.Serializable;
import java.sql.SQLException;

import org.objectweb.cjdbc.common.sql.NotImplementedException;

public class Blob implements java.sql.Blob, Serializable
{
  byte[] binaryData = null;

  public Blob(byte[] data)
  {
    binaryData = data;
  }

  public long length() throws SQLException
  {
    return binaryData.length;
  }

  public byte[] getBytes(long pos, int length) throws SQLException
  {
    byte[] newData = new byte[length];

    System.arraycopy(binaryData, (int) (pos - 1), newData, 0, length);

    return newData;
  }

  public java.io.InputStream getBinaryStream() throws SQLException
  {
    return new ByteArrayInputStream(binaryData);
  }

  public long position(byte pattern[], long start) throws SQLException
  {
    return (new String(binaryData)).indexOf(new String(pattern), (int) start);
  }

  public long position(java.sql.Blob pattern, long start) throws SQLException
  {
    return position(pattern.getBytes(0, (int) pattern.length()), start);
  }

  // -------------------------- JDBC 3.0 -----------------------------------

  public int setBytes(long pos, byte[] bytes) throws SQLException
  {
    throw new NotImplementedException("setBytes");
  }

  public int setBytes(long pos, byte[] bytes, int offset, int len)
      throws SQLException
  {
    throw new NotImplementedException("setBytes");
  }

  public java.io.OutputStream setBinaryStream(long pos) throws SQLException
  {
    throw new NotImplementedException("setBinaryStream");
  }

  public void truncate(long len) throws SQLException
  {
    throw new NotImplementedException("truncate");
  }

  // -------------------------- BLOB Specific
  // computation-----------------------------------

}

---