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package org.postgresql.jdbc2;
import java.lang.*;
import java.io.*;
import java.math.*;
import java.text.*;
import java.util.*;
import java.sql.*;
import org.postgresql.Field;
import org.postgresql.PGConnection;
import org.postgresql.largeobject.*;
public class AbstractJdbc2Clob
{
private int oid;
private LargeObject lo;
public AbstractJdbc2Clob(PGConnection conn, int oid) throws SQLException
{
this.oid = oid;
LargeObjectManager lom = conn.getLargeObjectAPI();
this.lo = lom.open(oid);
}
public long length() throws SQLException
{
return lo.size();
}
public InputStream getAsciiStream() throws SQLException
{
return lo.getInputStream();
}
public Reader getCharacterStream() throws SQLException
{
return new InputStreamReader(lo.getInputStream());
}
public String getSubString(long i, int j) throws SQLException
{
lo.seek((int)i - 1);
return new String(lo.read(j));
}
/*
* For now, this is not implemented.
*/
public long position(String pattern, long start) throws SQLException
{
throw org.postgresql.Driver.notImplemented();
}
/*
* This should be simply passing the byte value of the pattern Blob
*/
public long position(Clob pattern, long start) throws SQLException
{
throw org.postgresql.Driver.notImplemented();
}
}
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