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/*
* Copyright (c) 2015, 2020, Oracle and/or its affiliates.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* This program 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 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.result;
import java.math.BigDecimal;
import java.math.BigInteger;
import com.mysql.cj.CharsetMapping;
import com.mysql.cj.conf.PropertyKey;
import com.mysql.cj.conf.PropertySet;
import com.mysql.cj.protocol.InternalDate;
import com.mysql.cj.protocol.InternalTime;
import com.mysql.cj.protocol.InternalTimestamp;
import com.mysql.cj.util.DataTypeUtil;
import com.mysql.cj.util.StringUtils;
import com.mysql.cj.util.TimeUtil;
/**
* A {@link com.mysql.cj.result.ValueFactory} implementation to create strings.
*/
public class StringValueFactory implements ValueFactory {
protected PropertySet pset = null;
public StringValueFactory(PropertySet pset) {
this.pset = pset;
}
@Override
public void setPropertySet(PropertySet pset) {
this.pset = pset;
}
/**
* Create a string from InternalDate. The fields are formatted in a YYYY-mm-dd format.
*
* @param idate
* {@link InternalDate}
* @return string
*/
public String createFromDate(InternalDate idate) {
// essentially the same string we received from the server, no TZ interpretation
return String.format("%04d-%02d-%02d", idate.getYear(), idate.getMonth(), idate.getDay());
}
/**
* Create a string from InternalTime. The fields are formatted in a HH:MM:SS[.nnnnnnnnn] format.
*
* @param it
* {@link InternalTime}
* @return string
*/
public String createFromTime(InternalTime it) {
if (it.getNanos() > 0) {
return String.format("%02d:%02d:%02d.%s", it.getHours(), it.getMinutes(), it.getSeconds(),
TimeUtil.formatNanos(it.getNanos(), it.getScale(), false));
}
return String.format("%02d:%02d:%02d", it.getHours(), it.getMinutes(), it.getSeconds());
}
/**
* Create a string from time fields. The fields are formatted by concatenating the result of {@link #createFromDate(InternalDate)} and {@link
* #createFromTime(InternalTime)}.
*
* @param its
* {@link InternalTimestamp}
* @return string
*/
public String createFromTimestamp(InternalTimestamp its) {
return String.format("%s %s", createFromDate(its),
createFromTime(new InternalTime(its.getHours(), its.getMinutes(), its.getSeconds(), its.getNanos(), its.getScale())));
}
public String createFromLong(long l) {
return String.valueOf(l);
}
public String createFromBigInteger(BigInteger i) {
return i.toString();
}
public String createFromDouble(double d) {
return String.valueOf(d);
}
public String createFromBigDecimal(BigDecimal d) {
return d.toString();
}
/**
* Interpret the given byte array as a string. This value factory needs to know the encoding to interpret the string. The default (null) will interpet the
* byte array using the platform encoding.
*
* @param bytes
* byte array
* @param offset
* offset
* @param length
* data length in bytes
* @return string
*/
public String createFromBytes(byte[] bytes, int offset, int length, Field f) {
return StringUtils.toString(bytes, offset, length,
f.getCollationIndex() == CharsetMapping.MYSQL_COLLATION_INDEX_binary ? this.pset.getStringProperty(PropertyKey.characterEncoding).getValue()
: f.getEncoding());
}
@Override
public String createFromBit(byte[] bytes, int offset, int length) {
return createFromLong(DataTypeUtil.bitToLong(bytes, offset, length));
}
@Override
public String createFromYear(long l) {
if (this.pset.getBooleanProperty(PropertyKey.yearIsDateType).getValue()) {
if (l < 100) {
if (l <= 69) {
l += 100;
}
l += 1900;
}
return createFromDate(new InternalDate((int) l, 1, 1));
}
return createFromLong(l);
}
public String createFromNull() {
return null;
}
public String getTargetTypeName() {
return String.class.getName();
}
}
