jodd.introspector.MapperFunctionInstances Maven / Gradle / Ivy
// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
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package jodd.introspector;
import jodd.util.TypeCache;
import jodd.util.ClassUtil;
/**
* Simple cache of {@link MapperFunction} instances.
*/
public class MapperFunctionInstances {
private static final MapperFunctionInstances MAPPER_FUNCTION_INSTANCES = new MapperFunctionInstances();
/**
* Returns the instance.
*/
public static MapperFunctionInstances get() {
return MAPPER_FUNCTION_INSTANCES;
}
protected TypeCache typeCache = TypeCache.createDefault();
public MapperFunction lookup(final Class mapperFunctionClass) {
return typeCache.get(mapperFunctionClass, (c) -> {
try {
return ClassUtil.newInstance(mapperFunctionClass);
} catch (final Exception ex) {
throw new IllegalArgumentException("Invalid mapper class " + c, ex);
}
});
}
}