/*
 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package util;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.sql.Blob;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.logging.Level;
import java.util.logging.Logger;

public class StubBlob implements Blob {

    private byte[] bytes;

    public StubBlob() {
        bytes = new byte[]{2, 4, 6, 8};
    }

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

    public byte[] getBytes(long pos, int length)
            throws SQLException {
        return Arrays.copyOfRange(bytes, (int) pos - 1, length);
    }

    public InputStream getBinaryStream()
            throws SQLException {
        return null;
    }

    public long position(byte[] pattern, long start)
            throws SQLException {
        return 0;
    }

    public long position(Blob pattern, long start)
            throws SQLException {
        return 0;
    }

    public int setBytes(long pos, byte[] bytes)
            throws SQLException {
        return 0;
    }

    public int setBytes(long pos, byte[] bytes, int offset, int len)
            throws SQLException {
        return 0;
    }

    public OutputStream setBinaryStream(long pos)
            throws SQLException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = null;
        try {
            oos = new ObjectOutputStream(baos);
        } catch (IOException ex) {
            Logger.getLogger(StubBlob.class.getName()).log(Level.SEVERE, null, ex);
        }
        return oos;
    }

    public void truncate(long len)
            throws SQLException {
    }

    public void free() throws SQLException {
    }

    public InputStream getBinaryStream(long pos, long length) throws SQLException {
        return null;
    }
}