com.mysql.cj.xdevapi.DbDocValueFactory Maven / Gradle / Ivy
/*
* 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.xdevapi;
import java.io.IOException;
import java.io.StringReader;
import com.mysql.cj.conf.PropertySet;
import com.mysql.cj.exceptions.AssertionFailedException;
import com.mysql.cj.result.DefaultValueFactory;
import com.mysql.cj.result.Field;
import com.mysql.cj.result.ValueFactory;
import com.mysql.cj.util.StringUtils;
/**
* A {@link ValueFactory} implementation to create {@link DbDoc}s.
*/
public class DbDocValueFactory extends DefaultValueFactory {
/**
* Constructor.
*
* @param pset
* {@link PropertySet}
*/
public DbDocValueFactory(PropertySet pset) {
super(pset);
}
/**
* Interpret the given byte array as a string. This value factory needs to know the encoding to interpret the string. The default (null) will interpret the
* byte array using the platform encoding.
*/
@Override
public DbDoc createFromBytes(byte[] bytes, int offset, int length, Field f) {
try {
return JsonParser.parseDoc(new StringReader(StringUtils.toString(bytes, offset, length, f.getEncoding())));
} catch (IOException ex) {
throw AssertionFailedException.shouldNotHappen(ex);
}
}
@Override
public DbDoc createFromNull() {
return null; // TODO: ? JsonValueLiteral.NULL;
}
public String getTargetTypeName() {
return DbDoc.class.getName();
}
}