/* Copyright (c) 2001-2009, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 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.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb.rowio;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import org.hsqldb.Error;
import org.hsqldb.ErrorCode;
import org.hsqldb.Row;
import org.hsqldb.lib.StringConverter;
import org.hsqldb.types.BinaryData;
import org.hsqldb.types.BlobData;
import org.hsqldb.types.ClobData;
import org.hsqldb.types.IntervalMonthData;
import org.hsqldb.types.IntervalSecondData;
import org.hsqldb.types.JavaObjectData;
import org.hsqldb.types.TimeData;
import org.hsqldb.types.TimestampData;
import org.hsqldb.types.Type;
/**
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @since 1.9.0
* @version 1.7.2
*/
public class RowOutputTextLog extends RowOutputBase {
static byte[] BYTES_NULL;
static byte[] BYTES_TRUE;
static byte[] BYTES_FALSE;
static byte[] BYTES_AND;
static byte[] BYTES_IS;
static {
try {
BYTES_NULL = "NULL".getBytes("ISO-8859-1");
BYTES_TRUE = "TRUE".getBytes("ISO-8859-1");
BYTES_FALSE = "FALSE".getBytes("ISO-8859-1");
BYTES_AND = " AND ".getBytes("ISO-8859-1");
BYTES_IS = " IS ".getBytes("ISO-8859-1");
} catch (UnsupportedEncodingException e) {
Error.runtimeError(ErrorCode.U_S0500, "RowOutputTextLog");
}
}
public static final int MODE_DELETE = 1;
public static final int MODE_INSERT = 0;
private boolean isWritten;
private int logMode;
public void setMode(int mode) {
logMode = mode;
}
protected void writeFieldPrefix() {
if (logMode == MODE_DELETE && isWritten) {
write(BYTES_AND);
}
}
protected void writeChar(String s, Type t) {
write('\'');
StringConverter.stringToUnicodeBytes(this, s, true);
write('\'');
}
protected void writeReal(Double o) {
writeBytes(Type.SQL_DOUBLE.convertToSQLString(o));
}
protected void writeSmallint(Number o) {
this.writeBytes(o.toString());
}
public void writeEnd() {}
protected void writeBit(BinaryData o) {
ensureRoom((int) (o.length(null) * 8 + 2));
write('\'');
String s = StringConverter.byteArrayToBitString(o.getBytes(),
(int) o.bitLength(null));
writeBytes(s);
write('\'');
}
protected void writeBinary(BinaryData o) {
ensureRoom((int) (o.length(null) * 2 + 2));
write('\'');
StringConverter.writeHexBytes(getBuffer(), count, o.getBytes());
count += (o.length(null) * 2);
write('\'');
}
protected void writeClob(ClobData o, Type type) {
writeString(Long.toString(o.getId()));
}
protected void writeBlob(BlobData o, Type type) {
writeString(Long.toString(o.getId()));
}
public void writeType(int type) {}
public void writeSize(int size) {}
public int getSize(Row row) {
return 0;
}
public int getStorageSize(int size) {
return size;
}
protected void writeInteger(Number o) {
this.writeBytes(o.toString());
}
protected void writeBigint(Number o) {
this.writeBytes(o.toString());
}
//fredt@users - patch 1108647 by nkowalcz@users (NataliaK) fix for IS NULL
protected void writeNull(Type type) {
if (logMode == MODE_DELETE) {
write(BYTES_IS);
} else if (isWritten) {
write(',');
}
isWritten = true;
write(BYTES_NULL);
}
protected void writeOther(JavaObjectData o) {
ensureRoom(o.getBytesLength() * 2 + 2);
write('\'');
StringConverter.writeHexBytes(getBuffer(), count, o.getBytes());
count += o.getBytesLength() * 2;
write('\'');
}
public void writeString(String value) {
StringConverter.stringToUnicodeBytes(this, value, false);
}
protected void writeBoolean(Boolean o) {
write(o.booleanValue() ? BYTES_TRUE
: BYTES_FALSE);
}
protected void writeDecimal(BigDecimal o, Type type) {
writeBytes(type.convertToSQLString(o));
}
protected void writeFieldType(Type type) {
if (logMode == MODE_DELETE) {
write('=');
} else if (isWritten) {
write(',');
}
isWritten = true;
}
public void writeLong(long value) {
this.writeBytes(Long.toString(value));
}
public void writeIntData(int i, int position) {}
protected void writeTime(TimeData o, Type type) {
write('\'');
writeBytes(type.convertToString(o));
write('\'');
}
protected void writeDate(TimestampData o, Type type) {
write('\'');
writeBytes(type.convertToString(o));
write('\'');
}
protected void writeTimestamp(TimestampData o, Type type) {
write('\'');
writeBytes(type.convertToString(o));
write('\'');
}
protected void writeYearMonthInterval(IntervalMonthData o, Type type) {
write('\'');
writeBytes(type.convertToString(o));
write('\'');
}
protected void writeDaySecondInterval(IntervalSecondData o, Type type) {
write('\'');
writeBytes(type.convertToString(o));
write('\'');
}
public void writeShort(int i) {
writeBytes(Integer.toString(i));
}
public void writeInt(int i) {
writeBytes(Integer.toString(i));
}
public void reset() {
super.reset();
isWritten = false;
}
}