/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.isis.core.metamodel.facets.param.autocomplete;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import org.apache.isis.applib.annotation.MinLength;
public final class MinLengthUtil {
private MinLengthUtil(){}
/**
* Finds the value of the {@link MinLength} annotation on the first parameter of the
* supplied method.
*/
public static int determineMinLength(final Method method) {
final Annotation[][] parameterAnnotations = method.getParameterAnnotations();
if(parameterAnnotations.length == 1) {
final Annotation[] searchArgAnnotations = parameterAnnotations[0];
for(Annotation annotation: searchArgAnnotations) {
if(annotation instanceof MinLength) {
MinLength minLength = (MinLength) annotation;
return minLength.value();
}
}
}
return MinLengthUtil.MIN_LENGTH_DEFAULT;
}
public static final int MIN_LENGTH_DEFAULT = 1;
}