io.fixprotocol.orchestra.model.FixValueFactory Maven / Gradle / Ivy
/*
* Copyright 2017 FIX Protocol Ltd
*
* 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 io.fixprotocol.orchestra.model;
import java.math.BigDecimal;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalTime;
import java.time.ZonedDateTime;
import java.util.Objects;
/**
* Creates new instances of {@link FixValue}
*
* Workaround for Java erasure. Class of a generic must be literal.
*
* @author Don Mendelson
*
*/
public final class FixValueFactory {
/**
* Creates a new object with the specified name and value of the operand
*
* @param name identifier of the new object
* @param operand value to copy
* @return a new FixValue instance
* @throws ModelException if the data type is not handled
*/
public static FixValue copy(String name, FixValue operand) throws ModelException {
final String valueClassname = operand.getValue().getClass().getName();
final FixType type = operand.getType();
switch (valueClassname) {
case "java.lang.Integer":
return new FixValue(name, type, (Integer) operand.getValue());
case "java.lang.String":
return new FixValue(name, type, (String) operand.getValue());
case "java.math.BigDecimal":
return new FixValue(name, type, (BigDecimal) operand.getValue());
case "java.lang.Boolean":
return new FixValue(name, type, (Boolean) operand.getValue());
case "java.lang.Character":
return new FixValue(name, type, (Character) operand.getValue());
case "[B":
return new FixValue(name, type, (byte[]) operand.getValue());
case "java.time.Instant":
return new FixValue(name, type, (Instant) operand.getValue());
case "java.time.LocalDate":
return new FixValue(name, type, (LocalDate) operand.getValue());
case "java.time.LocalTime":
return new FixValue(name, type, (LocalTime) operand.getValue());
case "java.time.ZonedDateTime":
return new FixValue(name, type, (ZonedDateTime) operand.getValue());
default:
throw new ModelException("Unable to copy type " + valueClassname);
}
}
/**
* Create a new instance of {@link FixValue}
*
* @param name name of the instance, may be {@code null}
* @param type the FIX data type represented
* @param valueClass the storage class for value
* @return a new instance
* @throws ModelException if the type cannot be created
*/
@SuppressWarnings("rawtypes")
public static FixValue create(String name, FixType type, Class valueClass)
throws ModelException {
Objects.requireNonNull(type, "FIX type missing");
Objects.requireNonNull(valueClass, "Value class missing");
switch (valueClass.getName()) {
case "java.lang.Integer":
return new FixValue(name, type);
case "java.lang.String":
return new FixValue(name, type);
case "java.math.BigDecimal":
return new FixValue(name, type);
case "java.lang.Boolean":
return new FixValue(name, type);
case "java.lang.Character":
return new FixValue(name, type);
case "[B":
return new FixValue(name, type);
case "java.time.Instant":
return new FixValue(name, type);
case "java.time.LocalDate":
return new FixValue(name, type);
case "java.time.LocalTime":
return new FixValue(name, type);
case "java.time.ZonedDateTime":
return new FixValue(name, type);
default:
throw new ModelException("Unable to create type " + valueClass.getName());
}
}
}