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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.type.descriptor.jdbc;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.type.descriptor.ValueBinder;
import org.hibernate.type.descriptor.ValueExtractor;
import org.hibernate.type.descriptor.WrapperOptions;
import org.hibernate.type.descriptor.java.BasicJavaDescriptor;
import org.hibernate.type.descriptor.java.JavaTypeDescriptor;
import org.hibernate.type.descriptor.jdbc.internal.JdbcLiteralFormatterBinary;
import org.hibernate.type.spi.TypeConfiguration;
/**
* Descriptor for {@link Types#VARBINARY VARBINARY} handling.
*
* @author Steve Ebersole
*/
public class VarbinaryTypeDescriptor implements JdbcTypeDescriptor {
public static final VarbinaryTypeDescriptor INSTANCE = new VarbinaryTypeDescriptor();
public static final VarbinaryTypeDescriptor INSTANCE_WITHOUT_LITERALS = new VarbinaryTypeDescriptor( false );
private final boolean supportsLiterals;
public VarbinaryTypeDescriptor() {
this( true );
}
public VarbinaryTypeDescriptor(boolean supportsLiterals) {
this.supportsLiterals = supportsLiterals;
}
@Override
public String getFriendlyName() {
return "VARBINARY";
}
@Override
public String toString() {
return "VarbinaryTypeDescriptor";
}
public int getJdbcTypeCode() {
return Types.VARBINARY;
}
@Override
public boolean canBeRemapped() {
return true;
}
@Override
public BasicJavaDescriptor getJdbcRecommendedJavaTypeMapping(TypeConfiguration typeConfiguration) {
return (BasicJavaDescriptor) typeConfiguration.getJavaTypeDescriptorRegistry().getDescriptor( byte[].class );
}
@Override
public JdbcLiteralFormatter getJdbcLiteralFormatter(JavaTypeDescriptor javaTypeDescriptor) {
//noinspection unchecked
return supportsLiterals ? new JdbcLiteralFormatterBinary( javaTypeDescriptor ) : null;
}
public ValueBinder getBinder(final JavaTypeDescriptor javaTypeDescriptor) {
return new BasicBinder( javaTypeDescriptor, this ) {
@Override
protected void doBind(PreparedStatement st, X value, int index, WrapperOptions options) throws SQLException {
st.setBytes( index, javaTypeDescriptor.unwrap( value, byte[].class, options ) );
}
@Override
protected void doBind(CallableStatement st, X value, String name, WrapperOptions options)
throws SQLException {
st.setBytes( name, javaTypeDescriptor.unwrap( value, byte[].class, options ) );
}
};
}
public ValueExtractor getExtractor(final JavaTypeDescriptor javaTypeDescriptor) {
return new BasicExtractor( javaTypeDescriptor, this ) {
@Override
protected X doExtract(ResultSet rs, int paramIndex, WrapperOptions options) throws SQLException {
return javaTypeDescriptor.wrap( rs.getBytes( paramIndex ), options );
}
@Override
protected X doExtract(CallableStatement statement, int index, WrapperOptions options) throws SQLException {
return javaTypeDescriptor.wrap( statement.getBytes( index ), options );
}
@Override
protected X doExtract(CallableStatement statement, String name, WrapperOptions options) throws SQLException {
return javaTypeDescriptor.wrap( statement.getBytes( name ), options );
}
};
}
}