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HSQLDB - Lightweight 100% Java SQL Database Engine
/* Copyright (c) 2001-2019, 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
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb.rowio;
import java.math.BigDecimal;
import org.hsqldb.Row;
import org.hsqldb.Tokens;
import org.hsqldb.error.Error;
import org.hsqldb.error.ErrorCode;
import org.hsqldb.lib.StringConverter;
import org.hsqldb.lib.java.JavaSystem;
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)
* @version 2.5.0
*/
public class RowOutputTextLog extends RowOutputBase {
private static byte[] BYTES_NULL = Tokens.T_NULL.getBytes(JavaSystem.CS_ISO_8859_1);
private static byte[] BYTES_TRUE = Tokens.T_TRUE.getBytes(JavaSystem.CS_ISO_8859_1);
private static byte[] BYTES_FALSE = Tokens.T_FALSE.getBytes(JavaSystem.CS_ISO_8859_1);
private static byte[] BYTES_AND = " AND ".getBytes(JavaSystem.CS_ISO_8859_1);
private static byte[] BYTES_IS = " IS ".getBytes(JavaSystem.CS_ISO_8859_1);
private static byte[] BYTES_ARRAY = " ARRAY[".getBytes(JavaSystem.CS_ISO_8859_1);
public static final int MODE_DELETE = 1;
public static final int MODE_INSERT = 0;
private boolean isWritten;
private int logMode;
private boolean noSeparators;
public void setMode(int mode) {
logMode = mode;
}
protected void writeFieldPrefix() {
if (!noSeparators) {
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 long scaleFilePosition(long position) {
return position;
}
public void setStorageSize(int size) {}
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 writeUUID(BinaryData o) {
ensureRoom(40);
write('\'');
count += StringConverter.writeUUIDHexBytes(getBuffer(), count,
o.getBytes());
write('\'');
}
protected void writeBinary(BinaryData o) {
ensureRoom((int) (o.length(null) * 2 + 2));
write('\'');
count += StringConverter.writeHexBytes(getBuffer(), count,
o.getBytes());
write('\'');
}
protected void writeClob(ClobData o, Type type) {
writeBytes(Long.toString(o.getId()));
}
protected void writeBlob(BlobData o, Type type) {
writeBytes(Long.toString(o.getId()));
}
protected void writeArray(Object[] o, Type type) {
type = type.collectionBaseType();
noSeparators = true;
write(BYTES_ARRAY);
for (int i = 0; i < o.length; i++) {
if (i > 0) {
write(',');
}
writeData(o[i], type);
}
write(']');
noSeparators = false;
}
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 (!noSeparators) {
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 (!noSeparators) {
if (logMode == MODE_DELETE) {
write('=');
} else if (isWritten) {
write(',');
}
isWritten = true;
}
}
public void writeLong(long value) {
this.writeBytes(Long.toString(value));
}
public void writeBytes(byte[] b) {
super.write(b);
}
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;
}
public RowOutputInterface duplicate() {
throw Error.runtimeError(ErrorCode.U_S0500, "RowOutputTextLog");
}
}