com.foundationdb.sql.jdbc.jdbc2.AbstractJdbc2Clob Maven / Gradle / Ivy

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/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2011, PostgreSQL Global Development Group
*
*
*-------------------------------------------------------------------------
*/
package com.foundationdb.sql.jdbc.jdbc2;


import com.foundationdb.sql.jdbc.core.BaseConnection;

import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.sql.Clob;
import java.sql.SQLException;

public abstract class AbstractJdbc2Clob extends AbstractJdbc2BlobClob
{

    public AbstractJdbc2Clob(BaseConnection conn, long oid) throws SQLException
    {
        super(conn, oid);
    }

    public synchronized InputStream getAsciiStream() throws SQLException
    {
        return getBinaryStream();
    }

    public synchronized Reader getCharacterStream() throws SQLException
    {
        return new InputStreamReader(getBinaryStream());
    }

    public synchronized String getSubString(long i, int j) throws SQLException
    {
        assertPosition(i, j);
        lo.seek((int)i - 1);
        return new String(lo.read(j));
    }

    /*
     * For now, this is not implemented.
     */
    public synchronized long position(String pattern, long start) throws SQLException
    {
        checkFreed();
        throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "position(String,long)");
    }

    /*
     * This should be simply passing the byte value of the pattern Blob
     */
    public synchronized long position(Clob pattern, long start) throws SQLException
    {
        checkFreed();
        throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "position(Clob,start)");
    }

}