/*
* 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 net.formio.validation.constraints;
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Map;
/**
* Validation whether string, collection, map or array is NOT {@code null} and NOT empty.
*
* @author Radek Beran
*/
public final class NotEmptyValidation {
public static boolean isNotEmpty(Object input) {
if (input == null) {
return false;
}
if (input instanceof String) {
if (((String)input).isEmpty()) {
return false;
}
} else if (input instanceof Collection) {
if (((Collection<?>)input).isEmpty()) {
return false;
}
} else if (input instanceof Map) {
if (((Map<?, ?>)input).isEmpty()) {
return false;
}
} else if (input.getClass().isArray()) {
if (Array.getLength(input) == 0) {
return false;
}
}
return true;
}
private NotEmptyValidation() {
throw new AssertionError("Not instantiable, use static members");
}
}