io.rivulet.converter.InPlaceArrayConverter Maven / Gradle / Ivy
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package io.rivulet.converter;
import java.lang.reflect.Array;
/* Converter that can be applied to convert an array source by putting its values into an array target type. */
public class InPlaceArrayConverter extends ForcedTypeConverter {
private static final long serialVersionUID = -8724150719448527704L;
private InPlaceArrayConverter() {
super(ConverterPriority.LOW);
}
@Override
public boolean isInPlace() {
return true;
}
@Override
public boolean canConvert(Class targetType, Class sourceType) {
return targetType.isAssignableFrom(sourceType) && targetType.isArray() && sourceType.isArray();
}
@Override
public Object convert(Object target, Object source) {
try {
if(canConvert(target.getClass(), source.getClass())) {
for (int i = 0; i < Array.getLength(target); i++) {
if (i >= Array.getLength(source)) {
return target;
} else {
Array.set(target, i, Array.get(source, i));
}
}
return target;
} else {
return null;
}
} catch(Exception e) {
return null;
}
}
@Override
public String toString() {
return "";
}
/* Provides access to the single instance of InPlaceArrayConverter. */
public static InPlaceArrayConverter getInstance() {
return InPlaceArrayConverter.InPlaceArrayConverterSingleton.INSTANCE.getValue();
}
public enum InPlaceArrayConverterSingleton {
INSTANCE;
private final InPlaceArrayConverter value;
InPlaceArrayConverterSingleton() {
value = new InPlaceArrayConverter();
}
public InPlaceArrayConverter getValue() {
return value;
}
}
}