/* Copyright (c) 2001-2008, The HSQL Development Group
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*
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* 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"
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package org.hsqldb.rowio;
import java.math.BigDecimal;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import org.hsqldb.CachedRow;
import org.hsqldb.Column;
import org.hsqldb.HsqlDateTime;
import org.hsqldb.lib.StringConverter;
import org.hsqldb.types.Binary;
import org.hsqldb.types.JavaObject;
/**
* @author fredt@users
* @since 1.7.2
* @version 1.7.2
*/
public class RowOutputTextLog extends RowOutputBase {
static final byte[] BYTES_NULL = "NULL".getBytes();
static final byte[] BYTES_TRUE = "TRUE".getBytes();
static final byte[] BYTES_FALSE = "FALSE".getBytes();
static final byte[] BYTES_AND = " AND ".getBytes();
static final byte[] BYTES_IS = " IS ".getBytes();
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, int t) {
write('\'');
StringConverter.unicodeToAscii(this, s, true);
write('\'');
}
protected void writeReal(Double o, int type) {
writeBytes(Column.createSQLString(((Number) o).doubleValue()));
}
protected void writeSmallint(Number o) {
this.writeBytes(o.toString());
}
public void writeEnd() {}
protected void writeTime(Time o) {
write('\'');
writeBytes(o.toString());
write('\'');
}
protected void writeBinary(Binary o, int t) {
ensureRoom(o.getBytesLength() * 2 + 2);
write('\'');
StringConverter.writeHex(getBuffer(), count, o.getBytes());
count += o.getBytesLength() * 2;
write('\'');
}
public void writeType(int type) {}
public void writeSize(int size) {}
protected void writeDate(Date o) {
write('\'');
this.writeBytes(o.toString());
write('\'');
}
public int getSize(CachedRow row) {
return 0;
}
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(int type) {
if (logMode == MODE_DELETE) {
write(BYTES_IS);
} else if (isWritten) {
write(',');
}
isWritten = true;
write(BYTES_NULL);
}
protected void writeOther(JavaObject o) {
ensureRoom(o.getBytesLength() * 2 + 2);
write('\'');
StringConverter.writeHex(getBuffer(), count, o.getBytes());
count += o.getBytesLength() * 2;
write('\'');
}
public void writeString(String value) {
StringConverter.unicodeToAscii(this, value, false);
}
protected void writeBit(Boolean o) {
write(o.booleanValue() ? BYTES_TRUE
: BYTES_FALSE);
}
protected void writeDecimal(BigDecimal o) {
this.writeBytes(o.toString());
}
protected void writeFieldType(int type) {
if (logMode == MODE_DELETE) {
write('=');
} else if (isWritten) {
write(',');
}
isWritten = true;
}
public void writeLongData(long value) {
this.writeBytes(Long.toString(value));
}
public void writeIntData(int i, int position) {}
protected void writeTimestamp(Timestamp o) {
write('\'');
this.writeBytes(HsqlDateTime.getTimestampString(o));
write('\'');
}
public void writeShortData(short i) {
writeBytes(Integer.toString(i));
}
public void writeIntData(int i) {
writeBytes(Integer.toString(i));
}
public void reset() {
super.reset();
isWritten = false;
}
}