/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jdbi.v3.core.argument;
import java.lang.reflect.Type;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Function;
import org.jdbi.v3.core.config.ConfigRegistry;
Argument factory that matches a specified type and binds it as an ObjectArgument
. /**
* Argument factory that matches a specified type and binds
* it as an {@link ObjectArgument}.
*/
public class ObjectArgumentFactory implements ArgumentFactory.Preparable {
Match the given type and bind as an object without SQL type information.
Params: - type – the Java type to match
Returns: an ArgumentFactory that produces ObjectArguments for values of the supplied type
/**
* Match the given type and bind as an object without SQL type information.
* @param type the Java type to match
* @return an ArgumentFactory that produces ObjectArguments for values of the supplied type
*/
public static ArgumentFactory create(Class<?> type) {
return create(type, null);
}
Match the given type and bind as an object with the given SQL type information
Params: - type – the Java type to match
- sqlType – the SQL type to bind
See Also: Returns: an ArgumentFactory that produces ObjectArguments for values of the supplied type
/**
* Match the given type and bind as an object with the given SQL type information
* @param type the Java type to match
* @param sqlType the SQL type to bind
* @return an ArgumentFactory that produces ObjectArguments for values of the supplied type
* @see java.sql.Types
*/
public static ArgumentFactory create(Class<?> type, Integer sqlType) {
return new ObjectArgumentFactory(type, sqlType);
}
private final Class<?> type;
private final Integer sqlType;
private ObjectArgumentFactory(Class<?> type, Integer sqlType) {
this.type = type;
this.sqlType = sqlType;
}
@Override
public Optional<Function<Object, Argument>> prepare(Type expectedType, ConfigRegistry config) {
return Optional.of(expectedType)
.filter(t -> type.equals(t))
.map(t -> o -> ObjectArgument.of(o, sqlType));
}
@Override
public Optional<Argument> build(Type expectedType, Object value, ConfigRegistry config) {
return Objects.equals(type, expectedType) || type.isInstance(value)
? Optional.of(ObjectArgument.of(value, sqlType))
: Optional.empty();
}
}